WO2002008374A1 - Composition de nettoyage - Google Patents
Composition de nettoyage Download PDFInfo
- Publication number
- WO2002008374A1 WO2002008374A1 PCT/US2000/034906 US0034906W WO0208374A1 WO 2002008374 A1 WO2002008374 A1 WO 2002008374A1 US 0034906 W US0034906 W US 0034906W WO 0208374 A1 WO0208374 A1 WO 0208374A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- composition
- composition according
- tableware
- cookware
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- Prior art date
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- SFEOKXHPFMOVRM-BQYQJAHWSA-N γ-ionone Chemical compound CC(=O)\C=C\C1C(=C)CCCC1(C)C SFEOKXHPFMOVRM-BQYQJAHWSA-N 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/14—Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions
- C23G1/19—Iron or steel
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
- C11D17/0008—Detergent materials or soaps characterised by their shape or physical properties aqueous liquid non soap compositions
- C11D17/003—Colloidal solutions, e.g. gels; Thixotropic solutions or pastes
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
- C11D17/0043—For use with aerosol devices
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
- C11D17/04—Detergent materials or soaps characterised by their shape or physical properties combined with or containing other objects
- C11D17/041—Compositions releasably affixed on a substrate or incorporated into a dispensing means
- C11D17/042—Water soluble or water disintegrable containers or substrates containing cleaning compositions or additives for cleaning compositions
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/12—Water-insoluble compounds
- C11D3/124—Silicon containing, e.g. silica, silex, quartz or glass beads
- C11D3/1246—Silicates, e.g. diatomaceous earth
- C11D3/1253—Layer silicates, e.g. talcum, kaolin, clay, bentonite, smectite, montmorillonite, hectorite or attapulgite
- C11D3/1266—Layer silicates, e.g. talcum, kaolin, clay, bentonite, smectite, montmorillonite, hectorite or attapulgite in liquid compositions
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
- C11D3/22—Carbohydrates or derivatives thereof
- C11D3/222—Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
- C11D3/22—Carbohydrates or derivatives thereof
- C11D3/222—Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin
- C11D3/225—Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin etherified, e.g. CMC
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/43—Solvents
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/50—Perfumes
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/02—Inorganic compounds
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/26—Organic compounds containing oxygen
- C11D7/261—Alcohols; Phenols
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/26—Organic compounds containing oxygen
- C11D7/263—Ethers
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/26—Organic compounds containing oxygen
- C11D7/264—Aldehydes; Ketones; Acetals or ketals
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/32—Organic compounds containing nitrogen
- C11D7/3227—Ethers thereof
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/50—Solvents
- C11D7/5004—Organic solvents
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
- C11D2111/10—Objects to be cleaned
- C11D2111/14—Hard surfaces
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
- C11D2111/10—Objects to be cleaned
- C11D2111/14—Hard surfaces
- C11D2111/16—Metals
Definitions
- the present invention is in the field of hard surface cleaning compositions, in particular it relates to products and methods suitable for the removal of cooked-, baked- and burnt-on soils from cookware and tableware.
- Cooked-, baked- and burnt-on soils are amongst the most severe types of soils to remove from surfaces. Traditionally, the removal of cooked-, baked- and burnt-on soils from cookware and tableware requires soaking the soiled object prior to a mechanical action. Consequently, the automatic dishwashing process alone does not provide a satisfactory removal of cooked-, baked- and burnt-on soils. Manual dishwashing process requires a tremendous rubbing effort to remove cooked-, baked- and burnt-on soils and this can be detrimental to the safety and condition of the cookware/tableware.
- TJS-A-5, 102,573 provides a method for treating hard surfaces soiled with cooked-on, baked-on or dried-on food residues comprising applying a pre-spotting composition to the soiled article.
- the composition applied comprises surfactant, builder, amine and solvent.
- US-A-5,929,007 provides an aqueous hard surface cleaning composition for removing hardened dried or baked-on grease soil deposits.
- the composition comprises nonionic surfactant, chelating agent, caustic, a glycol ether solvent system, organic amine and anti-redeposition agents.
- WO-A-94/28108 discloses an aqueous cleaner concentrate composition, that can be diluted to form a more viscous use solution comprising an effective thickening amount of a rod micelle thickener composition, lower alkyl glycol ether solvent and hardness sequestering agent.
- the application also describes a method of cleaning a food preparation unit having at least one substantially vertical surface having a baked food soil coating. In practice, however, none of the art has been found to be very effective in removing baked-on, polymerized soil from metal and other substrates.
- a hard surface cleaning composition for removing cooked-, baked- or burnt-on soils (such as grease, meat, dairy, fruit, pasta and any other food especially difficult to remove after the cooking process) from cookware and tableware (including stainless steel, glass, plastic, wood and ceramic objects), wherein the composition comprises a soil swelling agent and a spreading auxiliary.
- the composition has a liquid surface tension of less than about 26 mN/m, preferably less than about 25 mN/m, preferably less than about 24.5 mN/m and more preferably less than about 24 mN/m and a pH, as measured in a 10% solution in distilled water, of at least 10.5.
- the soil swelling agent and spreading auxiliary are present in the compositions herein in effective amounts, i.e., in amounts effective to provide the necessary soil swelling and spreading functionalities.
- the efficacy of the soil swelling agent at low liquid surface tensions and high pH appears to be related to its ability to act as an agent for swelling, hydratmg or otherwise solvating the cooked-, baked- or burnt-on soil.
- a soil swelling agent is understood herein to be a substance or composition capable of swelling cooked-, baked- or burnt-on soil deposited on a substrate after treating said substrate with the soil swelling agent without the application of external mechanical forces. Soil swelling effect can be quantified by the soil swelling index.
- the composition of the invention preferably has a pH, as measured in a 10% solution in distilled water, from at least about 10.5, preferably from about 11 to about 14 and more preferably from about 11.5 to about 13.5.
- a reserve of alkalinity is desirable in order to maintain a high pH.
- the reserve alkalinity should not be so high as to risk damaging the skin of the user. Therefore, the compositions of the invention preferably have a reserve alkalinity of less than about 5, more preferably less than about 4 and especially less than about 3.
- Reserve alkalinity refers to, the ability of a composition to maintain an alkali pH in the presence of acid. This is relative to the ability of a composition to have sufficient alkali in reserve to deal with any added acid while maintaining pH. More specifically, it is defined as the grams of NaOH per 100 cc's, exceeding pH 9.5, in product. The reserve alkalinity for a solution is determined in the following manner.
- a Mettler DL77 automatic titrator with a Mettler DG115-SC glass pH electrode is calibrated using pH 4, 7 and 10 buffers (or buffers spanning the expected pH range).
- a 1% solution of the composition to be tested is prepared in distilled water. The weight of the sample is noted. The pH of the 1% solution is measured and the solution is titrated down to pH 9.5 using a solution of 0.25N HCL.
- the reserve alkalinity (RA) is calculated in the following way:
- %NaOH ml HClxNormality of HClx40xl00/Weight of sample aliquot titrated(g)xl000
- low level of surfactant selected from anionic, amphoteric, zwitterionic, nonionic and semi-polar surfactants and mixtures thereof, to the composition of the invention aids the cleaning process and also helps to care for the skin of the user.
- level of surfactant is from about 0.05 to about 10%, more preferably from about 0.09 to about 5% and more preferably from 0.1 to 2%.
- a preferred surfactant for use herein is an amine oxide surfactant.
- the soil swelling index is a measure of the increased thickness of soil after treatment with a substance or composition in comparison to the soil before treatment with the substance or composition. It is believed, while not being limited by theory, that the thickening is caused, at least in part, by hydration or solvation of the soil. Swelling of the soil makes the soil easier to remove with no or minimal application of force, e.g. wiping, rinsing or manual and automatic dishwashing. The measuring of this change of soil thickness gives the SSI.
- the amount of substance or composition necessary to provide soil swelling functionality will depend upon the nature of the substance or composition and can be determined by routine experimentation. Other conditions effective for soil swelling such as pH, temperature and treatment time can also be determined by routine experimentation. Preferred herein, however are substances and compositions effective in swelling cooked-, baked- or burnt-on soils such as polymerised grease or carbohydrate soils on glass or metal substrates, whereby after the substance or composition has been in contact with the soil for 45 minutes or less, preferably 30 min or less and more preferably 20 min or less at 20°C, the substance or composition has an SSI at 5% aqueous solution and pH of 12.8 of at least about 15%, preferably at least about 20% more preferably at least about 30% and especially at least about 50%.
- substances and compositions effective in swelling cooked-, baked- or burnt-on soils such as polymerised grease or carbohydrate soils on glass or metal substrates, whereby after the substance or composition has been in contact with the soil for 45 minutes or less, preferably 30 min or less and more
- the choice of soil swelling agent is such that the final compositions have an SSI measured as neat liquids under the same treatment time and temperature conditions of at least about 100%, preferably at least about 200% and more preferably at least about 500%.
- Highly preferred soil swelling agents and final compositions herein meet the SSI requirements on polymerized grease soils according to the procedure set out below.
- SSI is determined herein by optical profilometry, using, for example, a Zygo NewView 5030 Scanning White Light Interferometer.
- a sample of polymerized grease on a brushed, stainless steel coupon is prepared as described hereinbelow with regard to the measurement of polymerized grease removal index.
- Optical profilometry is then run on a small droplet of approximately 10 ⁇ m thickness of the grease at the edge of the grease sample.
- the thickness of the soil droplet before (Si) and after (S f ) treatment is measured by image acquisition by means of scanning white light interferometry.
- the interferometer (Zygo NewView 5030 with 20X Mirau objective) splits incoming light into a beam that goes to an internal reference surface and a beam that goes to the sample.
- the beams After reflection, the beams recombine inside the interferometer, undergo constructive and destructive interference, and produce a light and dark fringe pattern.
- the data are recorded using a CCD (charged coupled device) camera and processed by the software of the interferometer using Frequency Domain Analysis.
- the dimensions of the image obtained (in pixels) is then converted in real dimension ( ⁇ m or mm).
- the coupon After the thickness of the soil (Sj) on the coupon has been measured the coupon is soaked in the invention composition at ambient temperature for a given length of time and the thickness of the soil (S f ) is measured repeating the procedure, set out above. If necessary, the procedure is replicated over a sufficient member of droplets and samples to provide statistical significance.
- the SSI is calculated in the following manner:
- the function of the spreading auxiliary is to reduce the interfacial tension between the soil swelling agent and soil, thereby increasing the wettability of soils by the soil swelling agents.
- the spreading auxiliary when added to the compositions herein containing soil swelling agents leads to a lowering in the surface tension of the compositions, preferred spreading auxiliaries being those which lower the surface tension below that of the auxiliary itself.
- spreading auxiliaries able to render a surface tension below about 26 mN/m, preferably below about 24.5 mN/m and more preferably below about 24 mN/m, and especially below about 23.5 mN/m and a pH, as measured in a 10% solution in distilled water, of at least 10.5. Surface tensions are measured herein at 25°C.
- the soil swelling agent penetrates and hydrates the soils.
- the spreading auxiliary facilitates the interfacial process between the soil swelling agent and the soil and aids swelling of the soil.
- the soil penetration and swelling is believed to weaken the binding forces between soil and substrate.
- the resulting compositions are particularly effective in removing soils of a polymerized baked-on nature from metallic substrates.
- a hard surface cleaning composition for the removal of cooked-, baked- or burnt-on polymerised grease from metallic, especially stainless steel cookware and tableware, the composition comprising a polymerised grease swelling agent and a spreading auxiliary and wherein the composition has a liquid surface tension of less than about 26 mN/m, preferably less than about 24.5 mN/m and more preferably less than about 24 mN/m and a pH, as measured in a 10% solution in distilled water, of at least 10.5.
- compositions of the invention are also particularly effective in removing baked-on carbohydrate based soils from cookware/tableware, apparently by a mechanism including swelling and rehydration of the soils.
- a hard surface cleaning composition is provided for the removal of cooked-, baked- or burnt-on carbohydrate soils from cookware and tableware, the composition comprising a carbohydrate soil swelling and agent and a spreading auxiliary and wherein the composition has a liquid surface tension of less than about 26 mN/m, preferably less than about 24.5 mN/m and more preferably less than about 24 mN/m and a pH, as measured in a 10% solution in distilled water, of at least 10.5.
- Preferred carbohydrate swelling agents herein act as rehydrating agents and are able to decrease the area under the curve of the absorbance of carbohydrate C-O infra-red band (spanning a wavelenth of from about 900 cm "1 to about 1200 cm “1 with major peaks at about 1016 cm “1 and about 1145 cm “1 ) by at least about 5% and preferably at least about 10%, after said re-hydrating agent has been in contact with the soil for less than about 30
- the rehydrating agent is applied in the form of an aqueous solution or dispersion and the level effective for rehydration is determined by routine experimentation.
- the compositions herein are characterized by extremely low liquid surface tensions and contact angles on polymerized grease-coated substrates.
- the soil swelling agent and spreading auxiliary are selected such that the hard surface cleaning composition displays an advancing contact angle on a polymerised grease-coated glass substrate at 25 °C of less than about 20°, preferably less than about 10° and more preferably less than about 5°.
- the method for determining contact angle is as follows.
- a sample plate (prepared as described below) is dipped into and pulled out of a liquid and contact angles calculated after Wilhelmy Method.
- the force exerted on the sample according to the immersion depth is measured (using a Kruss K12 tensiometer and System K121 software) and is proportional to the contact angle of the liquid on the solid surface.
- the sample plate is prepared as follows: Spray 30-50 grams of Canola Oil into a beaker. Dip a glass slide (3x9x0.1 cm) into the Oil and thoroughly coat the surface. This results in an evenly dispersed layer of oil on the surface. Adjust the weight of product on the slide's surface until approximately 0.5 g of oil has been delivered and evenly distributed. At this point, bake the slides at 245°C for 20 minutes, and allow to cool to room temperature.
- a hard surface cleaning composition for the removal of cooked-, baked- or burnt-on soils from cookware and tableware, the composition comprising a soil swelling agent and a spreading auxiliary and wherein the composition displays an advancing contact angle (as measured by the method described herein above) on a polymerised grease-coated glass substrate at 25°C of less than about 20°, preferably less than about 10° and more preferably less than about 5°.
- Spreading auxiliaries for use herein can be selected generally from organic solvents, wetting agents and mixtures thereof.
- the liquid surface tension of the spreading auxiliary is less than about 30 mN/m, preferably less than about 28 mN/m, more preferably less than about 26 mN/m and more preferably less than about 24.5 mN/m.
- Suitable organic solvents capable of acting as spreading auxiliaries include alcoholic solvents, glycols and glycol derivatives and mixtures thereof. Preferred for use herein are mixtures of diethylene glycol monobutyl ether and propylene glycol butyl ether.
- Wetting agents suitable for use as spreading auxiliaries herein are surfactants and include anionic, amphoteric, zwitterionic, nonionic and semi-polar surfactants.
- Preferred nonionic surfactants include silicone surfactants, such as Silwet copolymers, preferred Silwet copolymers include Silwet L-8610, Silwet L-8600, Silwet L-77, Silwet L-7657, Silwet L- 7650, Silwet L-7607, Silwet L-7604, Silwet L-7600, Silwet L-7280 and mixtures thereof.
- Preferred for use herein is Silwet L-77.
- Suitable wetting agents include organo amine surfactants, for example amine oxide surfactants.
- the amine oxide contains an average of from 12 to 18 carbon atoms in the alkyl moiety, highly preferred herein being dodecyl dimethyl amine oxide, tetradecyl dimethyl amine oxide, hexadecyl dimethyl amine oxide and mixtures thereof.
- compositions comprising mixed solvent systems having soil swelling and spreading multi-functionality.
- compositions comprising a solvent having a limited miscibility in water (herein referred to as a coupling solvent) preferably in combination with a fully-miscible solvent, both preferably at specific levels in composition.
- a hard surface cleaning composition for removing cooked-, baked- or burnt-on soils from cookware and tableware, the composition comprising from about 10% to about 40%, preferably from about 12% to about 20% of organic solvent including from about 1% to about 15% of solvent acting as soil swelling agent and from about 7% to about 30% of solvent acting as spreading auxiliary and which includes at least about 3.5% of a water- miscible solvent and at least about 3.5% of a coupling solvent having limited miscibility in water.
- a water-miscible solvent herein is a solvent which is miscible with water in all proportions at 25°C.
- a coupling solvent with limited miscibility is a solvent with is miscible with water in some but not all proportions at 25°C.
- the solvent has a solubility in water at 25°C of less than about 30 wt%, more preferably less than about 20 wt%.
- the solubility of water in the solvent at 25°C is less than about 30 wt%, more preferably less than about 20 wt%.
- a preferred spreading auxiliary herein comprises a mixture of a fully water-miscible organic solvent and a coupling organic solvent having limited miscibility in water and wherein the ratio of water-miscible organic solvent to coupling organic solvent is in the range from about 4:1 to about 1:20, preferably from about 2:1 to about 1:6, more preferably from about 1.5:1 to about 1:3.
- Other suitable spreading auxiliaries comprise a wetting agent having a liquid surface tension of less than about 30 mN/m, preferably less than about 28 mN/m, more preferably less than about 26 mN/m and more preferably less than 24.5 mN/m.
- the wetting agent is an amine oxide.
- Highly preferred spreading auxiliaries comprise a mixture of the coupling solvent and the wetting agent.
- a hard surface cleaning composition for removing cooked-, baked- or burnt-on soils from cookware and tableware, the composition comprising a soil swelling agent, a coupling solvent having limited miscibility in water and a wetting agent and wherein the composition has a liquid surface tension of less than about 26 mN/m and preferably less than about 24.5 mN/m.
- compositions herein are further characterised by displaying surface tension lowering characteristics, which is believed is important for ensuring optimum soil removal performance on polymerised soils.
- a hard surface cleaning composition for removing cooked-, baked- or burnt-on soils from cookware and tableware, the composition comprising an organic solvent system and a wetting agent, wherein the organic solvent system includes at least one solvent component acting as soil swelling agent and wherein the wetting agent is effective in lowering the surface tension of the solvent system to at least 1 mN/m less than that of the wetting agent.
- the compositions of the present invention have a surface tension of less than about 24 mN/m and more preferably less than 23.5 mN/m.
- Suitable soil swelling agents for use herein can be selected from organoamine solvents inclusive of alkanolamines, alkylamines, alkyleneamines and mixtures thereof.
- compositions of the invention are characterized by excellent performance on polymerized grease and preferably the compositions of the present invention have a polymerised grease removal index of at least 25%, preferably at least 50%, more preferably at least 75%.
- Polymerized grease removal index is a measure of how much soil is removed from a surface after treatment with the composition of the invention.
- the soiled substrates are soaked in the invention composition at ambient temperature for about 45 min or less, preferably for about 30 min or less and more preferably for about 20 min or less and then washed in a dishwasher without detergent or rinsing agent.
- the substrates are then dried and weighed and the soil removal is determined by gravimetric analysis.
- the soiled substrates are prepared as follows: Stainless steel coupons/slides are thoroughly cleaned with the product of the invention and rinsed well with water. The slides are placed in a 50°C room to facilitate drying, if needed. The coupons/slides are allowed to cool to room temperature (about half an hour). The coupons/slides are weighed. Canola Oil, is sprayed into a small beaker or tri-pour (100 mL beaker, 20-30 mL of Canola Oil). A one inch paint brush is dipped into the Canola Oil. The soaked brush is then rotated and pressed lightly against the side of the container 4-6 times for each side of the brush to remove excess Canola Oil.
- a thin layer of Canola Oil is painted onto the surface of the coupon/slide.
- Each slide is then stroked gently with a dry brush in order to ensure that only a thin coating of Canola Oil is applied (two even strokes should sufficiently remove excess). In this manner 0.1-0.2g of soil will be applied to the coupon/slide.
- the coupons/slides are arranged on a perfectly level cookie sheet or oven rack and placed in a preheated oven at 245°C. The slides/coupons are baked for 20 minutes. Coupons/slides are allowed to cool to room temperature (45 minutes). The cool coupons/slides are then weighed. It is a feature of the solvent-based compositions of the invention that they display excellent performance in direct application to soiled cookware and tableware.
- the organic solvent system includes at least one solvent component acting as soil swelling agent and desirably has a liquid surface tension of less than about 27 mN/m, preferably less than about 26 mN/m, more preferably less than about 25 mN/m. Furthermore, the organic solvent system preferably comprises a plurality of solvent components in levels such that the solvent system has an advancing contact angle on polymerised grease-coated glass substrate of less than that of corresponding compositions containing the individual components of the solvent system. Such solvent systems and compositions are formed to be optimum for the removal of baked-on soils having a high carbon content from cookware and tableware.
- the compositions are preferably in the form of a liquid or gel having a pH of greater than about 9, preferably greater than 10.5 and preferably greater than about 11 as measured at 25°C.
- the compositions of the invention should also meet certain rheological and other performance parameter including both the ability to be sprayed and the ability to cling to surfaces.
- the product sprayed on a vertical stainless steel surface has a flow velocity less than about 1 cm/s, preferably less than about 0.1 cm/s.
- the product is in the form of a shear thinning fluid having a shear index n (Herschel-Bulkey model) of from about 0 to about 0.8, preferably from about 0.3 to about 0.7, more preferably from about 0.4 to about 0.6.
- shear thinning liquids having a shear index of 0.5 or lower.
- the fluid consistency index can vary from about 0.1 to about 50 Pa.s n , but is preferably less than about 1 Pa.s". More preferably, the fluid consistency index is from about 0.20 to about 0.15 Pa.s n .
- the product preferably has a viscosity from about 0.1 to about 200 Pa s, preferably from about 0.3 to about 20 Pa s as measured with a Brookfield cylinder viscometer (model LVDII) using 10 ml sample, a spindle S-31 and a speed of 3 rpm.
- compositions having a viscosity greater than about 1 Pa s preferably from about 2 Pa s to about 4 Pa s at 6 rpm, lower than about 2 Pa s, preferably from about 0.8 Pa s to about 1.2 Pa s at 30 rpm and lower than about 1 Pa s, preferably from about 0.3 Pa s to about 0.5 Pa s at 60 rpm.
- Rheology is measured under ambient temperature conditions (25° C).
- Suitable thickening agents for use herein include viscoelastic, thixotropic thickening agents at levels of from about 0.1% to about 10%, preferably from about 0.25% to about 5%, most preferably from about 0.5% o to about 3% by weight.
- Suitable thickening agents include polymers with a molecular weight from about 500,000 to about 10,000,000, more preferably from about 750,000 to about 4,000,000.
- the preferred cross-linked polycarboxylate polymer is preferably a carboxyvinyl polymer. Such compounds are disclosed in U.S. Pat. No. 2,798,053, issued on Jul. 2, 1957, to Brown. Methods for making carboxyvinyl polymers are also disclosed in Brown. Carboxyvinyl polymers are substantially insoluble in liquid, volatile organic hydrocarbons and are dimensionally stable on exposure to air.
- suitable thickening agents include inorganic clays (e.g. laponites, aluminium silicate, bentonite, fumed silica).
- the preferred clay thickening agent can be either naturally occurring or synthetic.
- Preferred synthetic clays include the synthetic smectite- type clay sold under the trademark Laponite by Southern Clay Products, Inc. Particularly useful are gel forming grades such as Laponite RD and sol forming grades such as Laponite RDS.
- Natural occurring clays include some smectite and attapulgite clays. Mixtures of clays and polymeric thickeners are also suitable for use herein.
- Laponite synthetic smectite-type clays
- other synthetic clays having an average platelet size maximum dimension of less than about 100 nm.
- Laponite has a layer structure which in dispersion in water, is in the form of disc-shaped crystals of about 1 nm thick and about 25 nm diameter. Small platelet size is valuable herein for providing a good sprayability, stability, rheology and cling properties as well as desirable aesthetic.
- the cellulosic type thickeners: hydroxyethyl and hydroxymethyl cellulose (ETHOCEL and METHOCEL® available from Dow Chemical) can also be used.
- Natural gums seem to influence the size of the droplets when the composition is being sprayed. It has been found that droplets having an average equivalent geometric diameter from about 3 ⁇ m to about 10 ⁇ m, preferably from about 4 ⁇ m to about 7 ⁇ m, as measured using a TSI Aerosizer, help in odor reduction.
- Preferred natural gum for use herein is xanthan gum.
- Laponite/ xanthan gum mixtures help the aesthetics of the product and at the same time reduce the solvent odor.
- the hard surface cleaning compositions comprise an organic solvent system including at least one solvent component acting as soil swelling agent and wherein the organic solvent system is selected from alcohols, amines, esters, glycol ethers, glycols, terpenes and mixtures thereof.
- Suitable organic solvents can be selected from organoamine solvents, inclusive of alkanolamines, alkylamines, alkyleneamines and mixtures thereof; alcoholic solvents inclusive of aromatic, aliphatic (preferably C -C 10 ) and cycloaliphatic alcohols and mixtures thereof; glycols and glycol derivatives inclusive of C 2 -C 3 (poly)alkylene glycols, glycol ethers, glycol esters and mixtures thereof; and mixtures selected from organoamine solvents, alcoholic solvents, glycols and glycol derivatives.
- Highly preferred organoamine solvents include 2-aminoalkanol solvents as disclosed in US-A-5,540,846.
- the organic solvent comprises organoamine (especially alkanolamine) solvent and glycol ether solvent, preferably in a weight ratio of from about 3:1 to about 1:3, and wherein the glycol ether solvent is selected from ethylene glycol monobutyl ether, diethylene glycol monobutyl ether, ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, diethylene glycol monomethyl ether, diethylene glycol monoethyl ether, propylene glycol monobutyl ether, dipropylene glycol monobutyl ether, ethylene glycol phenyl ether and mixtures thereof.
- organoamine especially alkanolamine
- Preferred organoamine for use herein are alkanolamines, especially monoethanol amine, methyl amine ethanol and 2-amino-2methyl-propoanol.
- the glycol ether is a mixture of diethylene glycol monobutyl ether and propylene glycol butyl ether, preferably in a weight ratio of from about 1 :2 to about 2:1.
- a preferred organic solvent system for use herein has a volatile organic content above 1 mm Hg of less than about 50%, preferably less than about 20%, more preferably less than about 10%.
- the organic solvent is essentially free of solvent components having a boiling point below about 150°C, flash point below about 50°C, preferably below 100°C or vapor pressure above about 1 mm Hg.
- a highly preferred organic solvent system has a volatile organic content above 0.1 mm Hg of less than about 50%, preferably less than about 20%, more preferably less than about 10% and even more preferably less than about 4%.
- the organic solvent can be selected from: a) polar, hydrogen-bonding solvents having a Hansen solubility parameter of at least 20 (Mpa) 1/2 , a polarity parameter of at least 7 (Mpa) 1/2 , preferably at least 12 (Mpa) 1/2 and a hydrogen bonding parameter of at least 10 (Mpa) b) polar non-hydrogen bonding solvents having a Hansen solubility parameter of at least 20 (Mpa) 1/2 , a polarity parameter of at least 7 (Mpa) 1/2 , preferably at least 12 (Mpa) 1/2 and a hydrogen bonding parameter of less than 10 (Mpa)
- amphiphilic solvents having a Hansen solubility parameter below 20 (Mpa) , a
- a problem generally associated with the use of organic solvents in cleaning compositions is that of solvent odor - an odor which many consumers do not like and which they perceive as "malodorous".
- Such compositions can be made more attractive to consumers by using a high concentration of perfumes.
- the addition of such high concentrations of perfumes can alter or reduce the overall offensive character of the compositions, but it often results in an undesirably overbearing perfume odor.
- the present invention provides a hard surface cleaning composition comprising organic solvent as hwerein before described and a solvent odor masking perfume or perfume base.
- the odor-masking perfume or perfume base comprises a mixture of volatile and non-volatile perfume materials wherein the level of non- volatile perfume materials (boiling point above 250°C at 1 atmosphere pressure) is preferably greater than about 20% by weight.
- the perfume or perfume base comprises at least 0.001% by weight of an ionone or mixture of ionones inclusive of alpha, beta and gamma ionones.
- Preferred ionones are selected from gamma-Methyl Ionone, Alvanone extra, Msia Base, Cassis Base 345-B and mixtures thereof.
- the perfume or perfume base may additionally comprise a musk.
- the musk preferably has a boiling point of more than about 250°C.
- Preferred musks are selected from Exaltolide Total, Habonolide and mixtures thereof.
- the masking perfume or perfume base can further comprise a high volatile perfume component or mixture of components having a boiling point of less than about 250°C.
- Preferred high volatile perfume components are selected from decyl aldehyde, benzaldehyde, cis-3-hexenyl acetate, allyl amyl glycolate, dihydromycenol and mixtures thereof
- compositions can additionally comprise a cyclodextrin, in order to help control solvent malodor.
- Cyclodextrins suitable for use herein are those capable of selectively absorbing solvent malodor causing molecules without detrimentally affecting the odor masking or perfume molecules.
- Compositions for use herein comprise from about 0.1 to about 3%, preferably from about 0.5 to about 2% of cyclodextrin by weight of the composition.
- cyclodextrin includes any of the known cyclodextrins such as unsubstiruted cyclodextrins containing from six to twelve glucose units, especially, alpha- cyclodextrin, beta-cyclodextrin, gamma-cyclodextrin and/or their derivatives and/or mixtures thereof.
- the alpha-cyclodextrin consists of six glucose units
- the beta- cyclodextrin consists of seven glucose units
- the gamma-cyclodextrin consists of eight glucose units arranged in a donut-shaped ring.
- the specific coupling and conformation of the glucose units give the cyclodextrins a rigid, conical molecular structure with a hollow interior of a specific volume.
- the "lining" of the internal cavity is formed by hydrogen atoms and glycosidic bridging oxygen atoms, therefore this surface is fairly hydrophobic.
- the unique shape and physical-chemical property of the cavity enable the cyclodextrin molecules to absorb (form inclusion complexes with) organic molecules or parts of organic molecules which can fit into the cavity. Malodor molecules can fit into the cavity.
- cyclodextrins are highly water-soluble such as, alpha-cyclodextrin and derivatives thereof, gamma-cyclodextrin and derivatives thereof, derivatised beta- cyclodextrins, and/or mixtures thereof.
- the derivatives of cyclodextrin consist mainly of molecules wherein some of the OH groups are converted to OR groups.
- Cyclodextrin derivatives include, e.g., those with short chain alkyl groups such as methylated cyclodextrins, and ethylated cyclodextrins, wherein R is a methyl or an ethyl group; those with hydroxyalkyl substituted groups, such as hydroxypropyl cyclodextrins and/or hydroxyethyl cyclodextrins, wherein R is a -CH2-CH(OH)-CH3 or a -CH2CH2-OH group; branched cyclodextrins such as maltose-bonded cyclodextrins; cationic cyclodextrins such as those containing 2-hydroxy-3(dimethylamino)propyl ether, wherein R is CH2"CH(OH)-CH2-N(CH3)2 which is cationic at low pH; quaternary ammonium, e.g., 2-hydroxy-3-(trimethyl
- cyclodextrins such as carboxyniethyl cyclodextrins, cyclodextrin sulfates, and cyclodextrin succinylates; amphoteric cyclodextrins such as carboxymethyl/quaternary ammonium cyclodextrins; cyclodextrins wherein at least one glucopyranose unit has a 3-6-anhydro-cyclomalto structure, e.g., the mono-3-6-anhydrocyclodextrins, as disclosed in "Optimal Performances with Minimal Chemical Modification of Cyclodextrins", F.
- Highly water-soluble cyclodextrins are those having water solubility of at least about 10 g in 100 ml of water at room temperature, preferably at least about 20 g in 100 ml of water, more preferably at least about 25 g in 100 ml of water at room temperature.
- preferred water-soluble cyclodextrin derivatives suitable for use herein are hydroxypropyl alpha-cyclodextrin, methylated alpha-cyclodextrin, methylated beta-cyclodextrin, hydroxyethyl beta-cyclodextrin, and hydroxypropyl beta-cyclodextrin.
- Hydroxyalkyl cyclodextrin derivatives preferably have a degree of substitution of from about 1 to about 14, more preferably from about 1.5 to about 7, wherein the total number of OR groups per cyclodextrin is defined as the degree of substitution.
- Methylated cyclodextrin derivatives typically have a degree of substitution of from about 1 to about 18, preferably from about 3 to about 16.
- a known methylated beta-cyclodextrin is heptakis-2,6-di-O-methyl- ⁇ - cyclodextrin, commonly known as DLMEB, in which each glucose unit has about 2 methyl groups with a degree of substitution of about 14.
- a preferred, more commercially available methylated beta-cyclodextrin is a randomly methylated beta-cyclodextrin having a degree of substitution of about 12.6.
- the preferred cyclodextrins are available, e.g., from American Maize-Products Company and Wacker Chemicals (USA), Inc.
- compositions of the present invention are especially useful in direct application for pre-treatment of cookware or tableware soiled with cooked-, baked- or burnt-on residues (or any other highly dehydrated soils).
- the compositions are applied to the soiled substrates in the form for example of a spray or foam prior to automatic dishwashing, manual dishwashing, rinsing or wiping.
- the pre-treated cookware or tableware can feel very slippery and as a consequence difficult to handle during and after the rinsing process. This can be overcome using divalent cations such as magnesium and calcium salts, especially suitable for use herein is magnesium chloride.
- compositions of the invention can also be used as automatic dishwashing detergent compositions or as a component thereof.
- the invention provides a method of removing cooked-, baked- or burnt-on soils from cookware and tableware comprising treating the cookware/tableware with the hard surface cleaning composition of the invention.
- a method of removing cooked-, baked- or burnt-on polymerised grease soils or carbohydrate soils from metallic cookware and tableware comprising treating the cookware/tableware with the hard surface cleaning of the present invention.
- Preferred methods comprise the step of pre-treating the cookware/tableware with the composition of the invention prior to manual or automatic dishwashing.
- the process of removing of cooked-, burnt- and baked-on soils can be facilitated if the soiled substrate is covered with cling film after the cleaning composition of the invention has been applied in order to allow swelling of the soil to take place.
- the cling film is left in place for a period of about 1 hour or more, preferably for about 6 hours or more.
- the present invention envisages hard surface cleaning compositions for the pre-treatment of cookware and tableware soiled with cooked-, baked- or burnt-on soils in order to facilitate the posterior cleaning process. This is mainly achieved by compositions containing a combination of a soil swelling agent and a spreading auxiliary.
- the invention also envisages methods for the removal of the soils mentioned above.
- Soil swelling agent is a substance or composition effective in swelling cooked-, baked- and burnt-on soils as disclosed above.
- Preferred soil swelling agents for use herein include organoamine solvents.
- Spreading auxiliary is a substance or composition having surface tension lowering properties as described above.
- Suitable spreading auxiliaries for use herein include surfactants (especially those having a surface tension of less than about 25 mN/m) such as silicone surfactants and amine oxide surfactants, organic solvents and mixtures thereof.
- organic solvents for use herein should be selected so as to be compatible with the tableware/cookware as well as with the different parts of an automatic dishwashing machine.
- the solvent system should be effective and safe to use having a volatile organic content above 1 mm Hg (and preferably above 0.1 mm Hg) of less than about 50%, preferably less than about 30%, more preferably less than about 10% by weight of the solvent system. Also they should have very mild pleasant odors.
- the individual organic solvents used herein generally have a boiling point above about 150°C, flash point above about 50°C, preferably below 100°C and vapor pressure below about 1 mm Hg, preferably below 0.1 mm Hg at 25°C and atmospheric pressure, hi addition, the individual organic solvents preferably have a molar volume of less than about 500, preferably less than about 250, more preferably less than about 200 cm 3 /mol, these molar volumes being preferred from the viewpoint of providing optimum soil penetration and swelling.
- Solvents that can be used herein include: i) alcohols, such as benzyl alcohol, 1,4- cyclohexanedimethanol, 2-ethyl-l-hexanol, furfuryl alcohol, 1,2-hexanediol and other similar materials; ii) amines, such as alkanolamines (e.g.
- primary alkanolamines monoethanolamine, monoisopropanolamine, diethylethanolamine, ethyl diethanolamine, beta-aminoalkanols
- secondary alkanolamines diethanolamine, diisopropanolamine, 2- (methylamino)ethanol
- ternary alkanolamines triethanolamine, triisopropanolamine
- alkylamines e.g.
- primary alkylamines monomethylamine, monoethylamine, monopropylamine, monobutylamine, monopentylamine, cyclohexylamine), secondary alkylamines: (dimethylamine), alkylene amines (primary alkylene amines: ethylenediamine, propylenediamine) and other similar materials; iii) esters, such as ethyl lactate, methyl ester, ethyl acetoacetate, ethylene glycol monobutyl ether acetate, diethylene glycol monoethyl ether acetate, diethylene glycol monobutyl ether acetate and other similar materials; iv) glycol ethers, such as ethylene glycol monobutyl ether, diethylene glycol monobutyl ether, ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, diethylene glycol monomethyl ether, diethylene glycol monoethyl ether, propylene glycol
- Preferred solvents to be used herein as soil swelling agents comprise alkanolamines, especially monoethanolamine, beta-aminoalkanols, especially 2-amine-2methyl-propanol (since it has the lowest molecular weight of any beta-aminoalkanol which has the amine group attached to a tertiary carbon, therefore minimize the reactivity of the amine group) and mixtures thereof.
- Preferred solvents for use herein as spreading auxiliaries comprise glycols and glycol ethers, especially diethylene glycol monobutyl ether, propylene glycol butyl ether and mixtures thereof.
- the hard surface cleaning compositions herein can comprise additional components inclusive of surfactants other that the wetting agents hereinbefore described, builders, enzymes, bleaching agents, alkalinity sources, thickeners, stabilising components, perfumes, abrasives, etc.
- the compositions can also comprise organic solvents having a carrier or diluent function (as opposed to soil swelling or spreading) or some other specialised function.
- the compositions can be dispensed from any suitable device, such as bottles (pump assisted bottles, squeeze bottles), paste dispensers, capsules, pouches and multi-compartment pouches.
- compositions and methods of the present invention for use in automatic dishwashing the detergent surfactant is preferably low foaming by itself or in combination with other components (i.e. suds suppressers).
- the detergent surfactant is preferably foamable in direct application but low foaming in automatic dishwashing use.
- Surfactants suitable herein include anionic surfactants such as alkyl sulfates, alkyl ether sulfates, alkyl benzene sulfonates, alkyl glyceryl sulfonates, alkyl and alkenyl sulphonates, alkyl ethoxy carboxylates, N-acyl sarcosinates, N-acyl taurates and alkyl succinates and sulfosuccinates, wherein the alkyl, alkenyl or acyl moiety is C5-C20 , preferably CJO-CIS linear or branched; cationic surfactants such as chlorine esters (US- A-4228042, US-A-4239660 and US-A-4260529) and mono Cg-C ⁇ N-alkyl or alkenyl ammonium surfactants wherein the remaining N positions are substituted by methyl, hydroxyethyl or hydroxypropyl groups; low and high cloud point non
- poly(oxyalkylated) alcohols e.g., Olin Corporation's Poly-Tergent® SLF18B - see WO-A-94/22800
- ether-capped poly(oxyalkylated) alcohol surfactants and block polyoxyethylene-polyoxypropylene polymeric compounds such as PLURONIC®, REVERSED PLURONIC®, and TETRONIC® by the BASF-Wyandotte Corp., Wyandotte, Michigan
- amphoteric surfactants such as the C 12 -C 20 alkyl amine oxides (preferred amine oxides for use herein include lauryldimethyl amine oxide and hexadecyl dimethyl amine oxide), and alkyl amphocarboxylic surfactants such as MiranolTM C2M
- zwitterionic surfactants such as the betaines and sultaines; and mixtures thereof.
- Surfactants suitable herein are disclosed, for example, in US-A-3,929,678 , US-A- 4,259,217, EP-A-0414 549, WO-A- 93/08876 and WO-A-93/08874.
- Surfactants are typically present at a level of from about 0.2% to about 30% by weight, more preferably from about 0.5% to about 10% by weight, most preferably from about 1% to about 5% by weight of composition.
- Preferred surfactant for use herein are low foaming and include low cloud point nonionic surfactants and mixtures of higher foaming surfactants with low cloud point nonionic surfactants which act as suds suppresser therefor.
- Builders suitable for use in cleaning compositions herein include water-soluble builders such as citrates, carbonates and polyphosphates e.g. sodium tripolyphosphate and sodium tripolyphosphate hexahydrate, potassium tripolyphosphate and mixed sodium and potassium tripolyphosphate salts; and partially water-soluble or insoluble builders such as crystalline layered silicates (EP-A-0164514 and EP-A-0293640) and aluminosilicates inclusive of Zeolites A, B, P, X, HS and MAP.
- the builder is typically present at a level of from about 1% to about 80% by weight, preferably from about 10% to about 70% by weight, most preferably from about 20% to about 60% by weight of composition.
- compositions for use herein comprise silicate in order to prevent damage to aluminium and some painted surfaces.
- Amorphous sodium silicates having an Si ⁇ 2:Na2 ⁇ ratio of from 1.8 to 3.0, preferably from 1.8 to 2.4, most preferably 2.0 can also be used herein although highly preferred from the viewpoint of long term storage stability are compositions containing less than about 22%, preferably less than about 15% total (amorphous and crystalline) silicate.
- Enzymes suitable herein include bacterial and fungal cellulases such as Carezyme and Celluzyme (Novo Nordisk A/S); peroxidases; lipases such as Amano-P (Amano Pharmaceutical Co.), Ml Lipase R and Lipomax R (Gist-Brocades) and Lipolase R and Lipolase Ultra R (Novo); cutinases; proteases such as Esperase R Alcalase R Durazym R and Savinase R (Novo) and Maxatase R Maxacal R , Properase R and Maxapem R (Gist-Brocades); and and ⁇ amylases such as Purafect Ox Am R (Genencor) and Termamyl R , Ban R , Fungamyl R Duramyl R and Natalase R (Novo); and mixtures thereof. Enzymes are preferably added herein as prills, granulates, or cogranulates at levels typically in the range from about 0.0001% to about
- Bleaching agent Bleaching agents suitable herein include chlorine and oxygen bleaches, especially inorganic perhydrate salts such as sodium perborate mono-and tetrahydrates and sodium percarbonate optionally coated to provide controlled rate of release (see, for example, GB- A- 1466799 on sulfate/carbonate coatings), preformed organic peroxyacids and mixtures thereof with organic peroxyacid bleach precursors and/or transition metal-containing bleach catalysts (especially manganese or cobalt).
- Inorganic perhydrate salts are typically incorporated at levels in the range from about 1% to about 40% by weight, preferably from about 2% to about 30% by weight and more preferably from abut 5% to about 25% by weight of composition.
- Peroxyacid bleach precursors preferred for use herein include precursors of perbenzoic acid and substituted perbenzoic acid; cationic peroxyacid precursors; peracetic acid precursors such as TAED, sodium acetoxybenzene sulfonate and pentaacetylglucose; pernonanoic acid precursors such as sodium 3,5,5- trimethylhexanoyloxybenzene sulfonate (iso-NOBS) and sodium nonanoyloxybenzene sulfonate (NOBS); amide substituted alkyl peroxyacid precursors (EP-A-0170386); and benzoxazin peroxyacid precursors (EP-A-0332294 and EP-A-0482807).
- Bleach precursors are typically inco ⁇ orated at levels in the range from about 0.5% to about 25%, preferably from about 1% to about 10% by weight of composition while the preformed organic peroxyacids themselves are typically incorporated at levels in the range from 0.5%) to 25%) by weight, more preferably from 1% to 10% by weight of composition.
- Bleach catalysts preferred for use herein include the manganese triazacyclononane and related complexes (US-A-4246612, US-A-5227084); Co, Cu, Mn and Fe bispyridylamine and related complexes (US-A-5114611); and pentamine acetate cobalt( ⁇ T) and related complexes(US- A-4810410).
- Low cloud point non-ionic surfactants and suds suppressers include nonionic surfactants having a low cloud point.
- Cloud point is a well known property of nonionic surfactants which is the result of the surfactant becoming less soluble with increasing temperature, the temperature at which the appearance of a second phase is observable is referred to as the “cloud point” (See Kirk Othmer, pp. 360-362).
- a "low cloud point" nonionic surfactant is defined as a nonionic surfactant system ingredient having a cloud point of less than 30° C, preferably less than about 20° C, and even more preferably less than about 10° C, and most preferably less than about 7.5° C.
- Typical low cloud point nonionic surfactants include nonionic alkoxylated surfactants, especially ethoxylates derived from primary alcohol, and polyoxypropylene/polyoxyethylene/polyoxypropylene (PO/EO/PO) reverse block polymers.
- low cloud point nonionic surfactants include, for example, ethoxylated-propoxylated alcohol (e.g., Olin Corporation's Poly-Tergent® SLF18) and epoxy-capped poly(oxyalkylated) alcohols (e.g., Olin Corporation's Poly-Tergent® SLF18B series of nonionics, as described, for example, in US-A-5,576,281).
- ethoxylated-propoxylated alcohol e.g., Olin Corporation's Poly-Tergent® SLF18
- epoxy-capped poly(oxyalkylated) alcohols e.g., Olin Corporation's Poly-Tergent® SLF18B series of nonionics, as described, for example, in US-A-5,576,281.
- Preferred low cloud point surfactants are the ether-capped poly(oxyalkylated) suds suppresser having the formula:
- R 1 is a linear, alkyl hydrocarbon having an average of from about 7 to about 12 carbon atoms
- R 2 is a linear, alkyl hydrocarbon of about 1 to about 4 carbon atoms
- R 3 is a linear, alkyl hydrocarbon of about 1 to about 4 carbon atoms
- x is an integer of about 1 to about 6
- y is an integer of about 4 to about 15
- z is an integer of about 4 to about 25.
- low cloud point nonionic surfactants are the ether-capped poly(oxyalkylated) having the formula:
- R I O(R ⁇ O) ⁇ CH(CH 3 )OR I n
- RT is selected from the group consisting of linear or branched, saturated or unsaturated, substituted or unsubstituted, aliphatic or aromatic hydrocarbon radicals having from about 7 to about 12 carbon atoms
- R ⁇ may be the same or different, and is independently selected from the group consisting of branched or linear C 2 to C 7 alkylene in any given molecule
- n is a number from 1 to about 30
- Rm is selected from the group consisting of:
- R 1 to about 30 carbon atoms; (b) provided that when R is (ii) then either: (A) at least one of R is other than C to C 3 alkylene; or (B) R 2 has from 6 to 30 carbon atoms, and with the further proviso that when R 2 has from 8 to 18 carbon atoms, R is other than Ci to C 5 alkyl.
- suitable components herein include organic polymers having dispersant, anti- redeposition, soil release or other detergency properties invention in levels of from about 0.1%) to about 30%, preferably from about 0.5% to about 15%, most preferably from about 1% to about 10% by weight of composition.
- Preferred anti-redeposition polymers herein include acrylic acid containing polymers such as Sokalan PA30, PA20, PA15, PA10 and Sokalan CP10 (BASF GmbH), Acusol 45N, 480N, 460N (Rohm and Haas), acrylic acid/maleic acid copolymers such as Sokalan CP5 and acrylic/methacrylic copolymers.
- Preferred soil release polymers herein include alkyl and hydroxyalkyl celluloses (US-A-4,000,093), polyoxyethylenes, polyoxypropylenes and copolymers thereof, and nonionic and anionic polymers based on terephthalate esters of ethylene glycol, propylene glycol and mixtures thereof.
- Heavy metal sequestrants and crystal growth inhibitors are suitable for use herein in levels generally from about 0.005% to about 20%, preferably from about 0.1% to about 10%, more preferably from about 0.25% to about 7.5% and most preferably from about 0.5% to about 5% by weight of composition, for example diethylenetriamine penta (methylene phosphonate), ethylenediamine tetra(methylene phosphonate) hexamethylenediamine tetra(methylene phosphonate), ethylene diphosphonate, hydroxy-ethylene-1,1- diphosphonate, nitrilotriacetate, ethylenediaminotetracetate, ethylenediamine-N,N'- disuccinate in their salt and free acid forms.
- diethylenetriamine penta methylene phosphonate
- ethylene diphosphonate hydroxy-ethylene-1,1- di
- compositions herein can contain a corrosion inhibitor such as organic silver coating agents in levels of from about 0.05% to about 10%, preferably from about 0.1% to about 5% by weight of composition (especially paraffins such as Winog 70 sold by Wintershall, Salzbergen, Germany), nitrogen-containing corrosion inhibitor compounds (for example benzotriazole and benzimadazole - see GB-A-1137741) and Mn( ⁇ ) compounds, particularly Mn(H) salts of organic ligands in levels of from about 0.005% to about 5%, preferably from about 0.01% to about 1%, more preferably from about 0.02% to about 0.4% by weight of the composition.
- a corrosion inhibitor such as organic silver coating agents in levels of from about 0.05% to about 10%, preferably from about 0.1% to about 5% by weight of composition (especially paraffins such as Winog 70 sold by Wintershall, Salzbergen, Germany), nitrogen-containing corrosion inhibitor compounds (for example benzotriazole and benzimadazole - see GB-A-113774
- Suitable components herein include colorants, water-soluble bismuth compounds such as bismuth acetate and bismuth citrate at levels of from about 0.01% to about 5%, enzyme stabilizers such as calcium ion, boric acid, propylene glycol and chlorine bleach scavengers at levels of from about 0.01% to about 6%, lime soap dispersants (see WO-A- 93/08877), suds suppressors (see WO-93/08876 and EP-A-0705324), polymeric dye transfer inhibiting agents, optical brighteners, perfumes, fillers and clay.
- enzyme stabilizers such as calcium ion, boric acid, propylene glycol and chlorine bleach scavengers at levels of from about 0.01% to about 6%
- lime soap dispersants see WO-A- 93/08877
- suds suppressors see WO-93/08876 and EP-A-0705324
- polymeric dye transfer inhibiting agents such as optical brighteners, perfumes,
- Liquid detergent compositions can contain water and other volatile solvents as carriers.
- Low quantities of low molecular weight primary or secondary alcohols such as methanol, ethanol, propanol and isopropanol can be used in the liquid detergent of the present invention.
- Other suitable carrier solvents used in low quantities includes glycerol, propylene glycol, ethylene glycol, 1,2-propanediol, sorbitol and mixtures thereof.
- Odor-masking base (which term includes fully-formulated odor-masking perfumes or a base composition for use therein) is preferably a mixture of ionones, musks and highly volatile perfumes. Concentrations of the odor masking base preferably range from about 0.001% to about 3%, more preferably from about 0.006% to about 2.5%, even more preferably from about 0.0075% to about 1%, by weight of the composition.
- the ionones, musks and highly volatile perfumes of the odor masking base are characterized in part by their respective boiling point ranges.
- the ionones and musks preferably have a boiling point at 1 atmosphere of pressure of more than about 250° C, whereas the highly volatile perfume components have a boiling point at 1 atmosphere of pressure of less than about 250° C.
- the boiling point of many perfume materials are disclosed in, e.g., "Perfume and Flavor Chemicals (Aroma Chemicals)," S. Arctander, published by the author, 1969. Other boiling point values can be obtained from different chemistry handbooks and databases, such as the Beilstein Handbook, Lange's Handbook of Chemistry, and the CRC Handbook of Chemistry and Physics.
- boiling point-pressure nomographs such as those given in "The Chemist's Companion,” A. J. Gordon and R. A. Ford, John Wiley & Sons Publishers, 1972, pp. 30-36.
- the boiling point values can also be calculated by computer programs, based on molecular structural data, such as those described in "Computer- Assisted Prediction of Normal Boiling Points of Pyrans and Pyrroles," D. T. Stanton et al, J. Chem. Inf. Comput. Sci., 32 (1992), pp.
- the highly volatile perfume of the odor masking base comprises perfume materials which compete with the malodorous solvents to bind to the nasal receptor sites. These highly volatile perfumes are the first odors recognized and identified by the brain, and help inhibit or mask the olfactory recognition of the solvents. Concentrations of the highly volatile perfume range from about 15% to about 85%, preferably from about 20% to about 80%, more preferably from about 35% to about 75%, even more preferably from about 45% to about 65%, by weight of the odor masking base.
- the highly volatile perfumes are more volatile than the ionone and musk components of the odor masking base, and have a boiling point of less than about 250° C, preferably less than about 230°C, more preferably less than about 220° C. under 1 atmosphere of pressure. These highly volatile perfumes are classified as either aldehydes having from about 2 to about 15 carbon atoms, esters having from about 3 to about 15 carbon atoms, alcohols having from about 4 to about 12 carbon atoms, ethers having from about 4 to about 13 carbon atoms, ketones having from about 3 to about 12 carbon atoms, or combinations thereof.
- Nonlimiting examples of suitable aldehydes include n-decyl aldehyde, 10-undecen-l-al, dodecanal, 3,7-dimethyl-7-hydroxyoctan-l-al, 2,4-dimethyl-3-cyclohexene carboxaldehyde, benzaldehyde, anisic aldehyde, and mixtures thereof.
- Nonlimiting examples of suitable esters include ethyl acetate, cis-3-hexenyl acetate, 2,6- dimethyl-2,6-octadien-8-yl acetate, benzyl acetate, l,l-dimethyl-2-phenyl acetate, 2- pentyloxy allyl ester, allyl hexanoate, methyl-2-aminobenzoate, and mixtures thereof.
- Nonlimiting examples of suitable alcohols include n-octyl alcohol, beta-gamma-hexenol, 2-trans-6-cis-nonadien- 1 -ol, 3 ,7-dimethyl-trans-2,6-octadien-l-ol, 3 ,7-dimethyl-6-octen- 1 - ol, 3,7-dimethyl-l,6-octadien-3-ol, 2,6-dimethyl-7-octen-2-ol, 2-phenylethyl alcohol, 2- cis-3 ,7-dimethyl-2,6-octadien- 1 -ol, 1 -methyl-4-iso-propyl- 1 -cyclohexen-8-ol, and mixtures thereof.
- suitable ethers include amyl cresol oxide, 4-ethoxy-l -methyl- benzol, 4-methoxy- 1 -methyl benzene, methyl phenylethy
- ketones include dimethyl acetophenone, ethyl-n-amyl ketone, 2-heptanone, 2-octanone, 3-methyl-2-(cis-2-penten- l-yl)-2-cyclopenten-l-one, 1- l-methyl-4-iso-propenyl-6-cyclohexen-2-one, para-tertiary-amyl cyclohexanone, and mixtures thereof.
- Preferred highly volatile perfumes include 2-pentyloxy allyl ester sold under the tradename Allyl Amyl Glycolate (available from International Flavors and Fragrances,
- Decyl Aldehyde (available from Aceto, Corp. located in Lake Success, N.Y., U.S.A.); and mixtures thereof.
- Nonlimiting examples of suitable highly volatile perfumes and their respective boiling point values under 1 atmosphere of pressure are given in US-A-5,919,440.
- the odor masking base preferably comprises an ionone perfume component (i.e. an ionone or mixture of ionones) at concentrations ranging from about 15% to about 80%, preferably from about 16% to about 60%, more preferably from about 16% to about 40%, by weight of the odor masking base.
- Ionones are a well known class of perfume chemicals derived from natural oils or manufactured synthetically, which are typically colorless or pale yellow liquids exhibiting woody violet-like odors.
- the ionone perfume for use in the odor masking base has a boiling point under 1 atmosphere of pressure of more than about 250° C, preferably more than about 255° C, even more preferably more than about 260° C, wherein the ionone perfume is preferably selected from methyl ionones, alpha ionones, beta ionones, gamma ionones, or combinations thereof.
- Nonlimiting examples of suitable ionones include l-(2,6,6-Trimethyl-2-cyclohexene-l- yl)-l,6-heptadien-3-one, 2-Allyl-para-menthene-(4(8))-ono-3, Pseudo-allyl-alpha-ionone, alpha-Citrylidene cyclopentanone, 5-(2,6,6-Trimethyl-2-cyclohexen-l-yl)-4-methyl-4- penten-3-one, 6-(2,6,6-Trimethyl-2-cyclohexen-l-yl)-l-methyl-5-hexen-4-one, 2,6,6- Trimethyl cyclohexyl-l-butenone-3, Dihydro-alpha-ionone, 4-(2,6,6-Trimethyl-2-cyclohexene-l- yl)-l,6-heptadien-3-one, 2-Allyl-para-menthene-(4(8))-
- Trimethylcyclohexen- 1 -yl)-butan-2-one 4-(2-Methylene-6,6-dimethylcyclohexyl)-butan- 2-one, l-(2,5,6,6-Tetramethyl-2-cyclohexenyl)-butan-3-one, Dihydro-beta-irone, Dihydro- gamma-irone, 5-(2,6,6-Trimethyl-2-cyclohexenyl)-pentan-3-one, Dihydro-iso-methyl- beta-ionone, 6-(2,6,6-Trimethyl-2-cyclohexen- l-yl)-5-hexen-4-one, alpha-Ethyl-2,2,6- trimethyl cyclohexane butyric aldehyde, 4-Methyl-6-(l,l,3-trimethyl-2'-cyclohexen-2'-yl)- 3,5-hexadien-2-one, 6,10-Dimethyl undecan-2-one
- Preferred ionones include 4-(2,6,6-Trimethyl-3-cyclohexen-l-yl)-3-methyl-3-buten-2-one sold under the tradename Isoraldeine (available from Givaudan Roure, Corp. located in Teaneck, N.J., U.S.A.); 5-(2-Methylene-6,6-dimethylcyclohexyl)-4-penten-3-one sold under the tradename gamma-Methyl Ionone (available from Givaudan Roure, Corp.
- Isoraldeine available from Givaudan Roure, Corp. located in Teaneck, N.J., U.S.A.
- 5-(2-Methylene-6,6-dimethylcyclohexyl)-4-penten-3-one sold under the tradename gamma-Methyl Ionone (available from Givaudan Roure, Corp.
- Ionones may be incorporated into the odor masking base as one or more individual perfume chemicals or as a specialty perfume containing a combination of perfume chemicals including ionone perfume chemicals.
- ionone specialty perfumes include
- the musk and highly volatile perfumes for use in the odor masking base can also be incorporated into the base as one or more individual perfume chemicals, or as a specialty perfume containing a combination of perfume chemicals.
- a nonlimiting example of a preferred highly volatile specialty perfume include Cassis Base 345-B available from Firmenich, Inc. located in Princeton, N.J., U.S.A..
- suitable ionone perfumes and their respective boiling point values under 1 atmosphere of pressure are given in US-A-5,919,440.
- the odor masking base preferably comprises a musk component at concentrations of from about 5% to about 70%, preferably from about 15% to about 50%, more preferably from about 20% to about 35%, by weight of the odor masking base.
- Musk is a well known class of perfumes chemicals that is typically in the form of a colorless or light yellow material having a distinctive, musk-like odor.
- the musk component for use in the odor masking base must have a boiling point under 1 atmosphere of pressure of more than about 250° C, preferably more than about 255° C, even more preferably more than about 260° C, wherein the musk component is preferably a polycyclic musk, macrocyclic musk, nitrocyclic musk, or combination thereof, each preferred musk component having more than about 12 carbon atoms, preferably more than about 13 carbon atoms, more preferably more than about 15 carbon atoms.
- Suitable polycyclic musks include 5-Acetyl-l,l,2,3,3,6-hexamethylindan, 4-Acetyl-l,l- dimethyl-6-tertiary-butylindan, 7- Acetyl- 1 , 1 ,3 ,4,4,6-hexamethyl- 1 ,2,3,4- tetrahydronaphthalene, l,l,4,4-Tetramethyl-6-ethyl-7-acetyl-l,2,3,4- tetrahydronaphthalene, l,3,4,6,7,8-Hexahydro-4,6,6,7,8,8-hexamethyl-cyclopenta- gamma-2-benzopyran, and mixtures thereof.
- Suitable macrocyclic musks include cyclopentadecanolide, cyclopentadecanolone, cyclopentadecanone, 3 -Methyl- 1 -cyclopentadecanone, cycloheptadecen-9-one- 1 , cycloheptadecanone, cyclohexadecen-7-olide, cyclohexadecen-9-olide, cyclohexadecanolide, ethylene tridecane dioate, 10-oxahexadecanolide, 11-oxahexadecanolide, 12- oxahexadecanolide, and mixtures thereof.
- Suitable nitrocyclic musks include l,l,3,3,5-Pentamethyl-4,6-dinitroindan, 2,6-Dinitro-3- methoxy- 1 -methyl-4-tertiary-butylbenzene, 2,6-Dimethyl-3 ,5-dimtro-4-tertiary-butyl- acetophenone, 2,6-Dinitro-3,4,5-trimethyl-tertiary-butyl-benzene, 2,4,6-Triinitro-l,3- dimethyl-5-tertiary-butylbenzene, and mixtures thereof.
- Preferred musks include l,3,4,6,7,8-Hexahydro-4,6,6,7,8,8-hexamethyl-cyclopenta- gamma-2-benzopyran sold under the tradename Galaxolide (available from International Flavors and Fragrances, Inc. located in New York, N.Y., U.S.A.); cyclopentadecanolide sold under the tradename Exaltolide (available from Firmenich, Inc. located in Princeton, N.J., U.S.A.); ethylene tridecane dioate sold under the tradename Ethylene Brassylate (available from Fragrance Resource, Inc.
- Examples 1 to 16 illustrate pre-treatment compositions used to facilitate the removal of cooked-on, baked-on and burnt-on food soils prior to the dishwashing process.
- the compositions of the examples are applied to a dishware load.
- the load comprises different soils and different substrates: lasagne baked for 2 hours at 140°C on Pyrex, lasagne cooked for 2 hours at 150°C on stainless steel, potato and cheese cooked for 2 hours at 150°C on stainless steel, egg yolk cooked for 2 hours at 150°C on stainless steel and sausage cooked for 1 hour at 120°C followed by 1 hour at 180°C.
- the dishware load is allowed to soak for 10 minutes in the compositions of the examples, then the dishware is rinsed under cold tap water.
- the dishware load is thereafter washed either manually or in an automatic dishwashing machine, for example in a Bosch 6032 dishwashing machine, at 55°C without prewash, using a typical dishwashing detergent compositions containing, for example, alkalinity source, builders, enzymes, bleach, bleach catalyst, non-ionic surfactant, suds- suppresser, silver corrosion inhibitor, soil suspending polymers, etc.
- a typical dishwashing detergent compositions containing, for example, alkalinity source, builders, enzymes, bleach, bleach catalyst, non-ionic surfactant, suds- suppresser, silver corrosion inhibitor, soil suspending polymers, etc.
- the dishware load treated with compositions of the examples and thereafter washed in the dishwashing machines present excellent removal of cooked-on, baked-on and burnt-on food soils.
- All the examples have a liquid surface tension at 25 °C of below 24.5 mN/m, a pH of at least 12 and a 45 min soil swelling index on polymerized grease soil/stainless steel substrate of at least 200%.
- the masking perfume composition is given in the following table:
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Abstract
Priority Applications (33)
Application Number | Priority Date | Filing Date | Title |
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AT00986682T ATE481471T1 (de) | 2000-07-19 | 2000-12-21 | Reinigungsmittel |
JP2002514259A JP2004515569A (ja) | 2000-07-19 | 2000-12-21 | 洗浄性組成物 |
DE60044979T DE60044979D1 (de) | 2000-07-19 | 2000-12-21 | Reinigungsmittel |
MXPA03000490A MXPA03000490A (es) | 2000-07-19 | 2000-12-21 | Composicion de limpieza. |
ES00986682T ES2352670T3 (es) | 2000-07-19 | 2000-12-21 | Composición limpiadora. |
EP00986682A EP1305388B1 (fr) | 2000-07-19 | 2000-12-21 | Composition de nettoyage |
AU2001222873A AU2001222873A1 (en) | 2000-07-19 | 2000-12-21 | Cleaning composition |
CA002416326A CA2416326A1 (fr) | 2000-07-19 | 2000-12-21 | Nettoyant de surface dure, alcalin et a faible tension superficielle, comprenant un agent de gonflement de salissures et un adjuvant d'etalement |
AT01959010T ATE278764T1 (de) | 2000-07-19 | 2001-07-18 | Reinigungsmittelzusammensetzungen |
AU2001280607A AU2001280607A1 (en) | 2000-07-19 | 2001-07-18 | Cleaning compositions |
AU2001280605A AU2001280605A1 (en) | 2000-07-19 | 2001-07-18 | Cleaning compositions |
MXPA03000489A MXPA03000489A (es) | 2000-07-19 | 2001-07-18 | Composiciones limpiadoras. |
AT01959008T ATE350453T1 (de) | 2000-07-19 | 2001-07-18 | Reinigungsmittel |
JP2002512330A JP2004519527A (ja) | 2000-07-19 | 2001-07-18 | 洗浄性組成物 |
ES01959008T ES2280389T3 (es) | 2000-07-19 | 2001-07-18 | Composiciones limpiadoras. |
JP2002512331A JP4185360B2 (ja) | 2000-07-19 | 2001-07-18 | 洗浄性組成物 |
PCT/US2001/022708 WO2002006437A1 (fr) | 2000-07-19 | 2001-07-18 | Compositions nettoyantes |
CA002415302A CA2415302A1 (fr) | 2000-07-19 | 2001-07-18 | Composition de nettoyage de surfaces dures comprenant un agent de gonflement de souillure et un agent epaississant |
PCT/US2001/022706 WO2002006436A1 (fr) | 2000-07-19 | 2001-07-18 | Compositions nettoyantes |
EP04023010A EP1493803B1 (fr) | 2000-07-19 | 2001-07-18 | Compositions de nettoyage |
EP01959010A EP1305392B1 (fr) | 2000-07-19 | 2001-07-18 | Compositions nettoyantes |
DE60120517T DE60120517T2 (de) | 2000-07-19 | 2001-07-18 | Reinigungsmittelzusammensetzungen |
DE60125775T DE60125775T2 (de) | 2000-07-19 | 2001-07-18 | Reinigungsmittel |
MXPA03000487A MXPA03000487A (es) | 2000-07-19 | 2001-07-18 | Composiciones de limpieza.. |
AT04023010T ATE328996T1 (de) | 2000-07-19 | 2001-07-18 | Reinigungsmittelzusammensetzungen |
ES04023010T ES2265133T3 (es) | 2000-07-19 | 2001-07-18 | Composiciones limpiadoras. |
DE60106272T DE60106272T2 (de) | 2000-07-19 | 2001-07-18 | Reinigungsmittelzusammensetzungen |
EP01959008A EP1305391B1 (fr) | 2000-07-19 | 2001-07-18 | Compositions nettoyantes |
ES01959010T ES2225589T3 (es) | 2000-07-19 | 2001-07-18 | Composiciones limpiadoras. |
CA002415308A CA2415308A1 (fr) | 2000-07-19 | 2001-07-18 | Composition nettoyante pour surface dure contenant un parfum pour masquer les odeurs |
US09/910,281 US20020037822A1 (en) | 2000-07-19 | 2001-07-19 | Cleaning composition |
US09/909,233 US20020037817A1 (en) | 2000-07-19 | 2001-07-19 | Cleaning composition |
US11/151,027 US20050233925A1 (en) | 2000-07-19 | 2005-06-13 | Cleaning composition |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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USPCT/US00/19619 | 2000-07-19 | ||
PCT/US2000/019619 WO2002008370A2 (fr) | 2000-07-19 | 2000-07-19 | Composition de nettoyage |
USPCT/US00/20255 | 2000-07-25 | ||
PCT/US2000/020255 WO2002008371A2 (fr) | 2000-02-17 | 2000-07-25 | Composition de lavage |
Publications (1)
Publication Number | Publication Date |
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WO2002008374A1 true WO2002008374A1 (fr) | 2002-01-31 |
Family
ID=21741603
Family Applications (6)
Application Number | Title | Priority Date | Filing Date |
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PCT/US2000/019619 WO2002008370A2 (fr) | 2000-02-17 | 2000-07-19 | Composition de nettoyage |
PCT/US2000/034909 WO2002008376A1 (fr) | 2000-07-19 | 2000-12-21 | Composition de lavage |
PCT/US2000/034906 WO2002008374A1 (fr) | 2000-07-19 | 2000-12-21 | Composition de nettoyage |
PCT/US2000/034910 WO2002008509A1 (fr) | 2000-07-19 | 2000-12-21 | Emballage de detergent |
PCT/US2000/034908 WO2002008375A1 (fr) | 2000-07-19 | 2000-12-21 | Composition de lavage |
PCT/US2000/034907 WO2002008373A1 (fr) | 2000-07-19 | 2000-12-21 | Composition de nettoyage |
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Application Number | Title | Priority Date | Filing Date |
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PCT/US2000/019619 WO2002008370A2 (fr) | 2000-02-17 | 2000-07-19 | Composition de nettoyage |
PCT/US2000/034909 WO2002008376A1 (fr) | 2000-07-19 | 2000-12-21 | Composition de lavage |
Family Applications After (3)
Application Number | Title | Priority Date | Filing Date |
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PCT/US2000/034910 WO2002008509A1 (fr) | 2000-07-19 | 2000-12-21 | Emballage de detergent |
PCT/US2000/034908 WO2002008375A1 (fr) | 2000-07-19 | 2000-12-21 | Composition de lavage |
PCT/US2000/034907 WO2002008373A1 (fr) | 2000-07-19 | 2000-12-21 | Composition de nettoyage |
Country Status (9)
Country | Link |
---|---|
EP (5) | EP1305383B1 (fr) |
JP (4) | JP2004515569A (fr) |
AT (4) | ATE395405T1 (fr) |
AU (5) | AU2001222875A1 (fr) |
CA (4) | CA2416327C (fr) |
DE (1) | DE60031309T2 (fr) |
ES (6) | ES2339420T3 (fr) |
MX (4) | MXPA03000491A (fr) |
WO (6) | WO2002008370A2 (fr) |
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EP4368692A1 (fr) | 2022-11-10 | 2024-05-15 | The Procter & Gamble Company | Procédé pour assurer l'élimination des mauvaises odeurs et/ou la prévention des mauvaises odeurs |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
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US6683036B2 (en) | 2000-07-19 | 2004-01-27 | The Procter & Gamble Company | Cleaning composition |
US8123867B2 (en) * | 2007-04-25 | 2012-02-28 | Basf Se | Phosphate-free dishwasher detergent with excellent rinsing power |
US8152931B2 (en) * | 2007-04-25 | 2012-04-10 | Basf Se | Dishwasher detergent with excellent rinsing power |
WO2010146544A3 (fr) * | 2009-06-15 | 2011-06-30 | Ecolab Usa Inc. | Produits de nettoyage hautement alcalins à base de solvant, système de nettoyage et leurs procédés d'utilisation pour le nettoyage de salissures à base de matière grasse à teneur nulle en matière grasse trans |
WO2010146543A3 (fr) * | 2009-06-15 | 2011-06-30 | Ecolab Usa Inc. | Produits de nettoyage hautement alcalins, systèmes de nettoyage et leurs procédés d'utilisation pour le nettoyage de salissures à base de matière grasse à teneur nulle en matière grasse trans |
US8772215B2 (en) | 2009-06-15 | 2014-07-08 | Ecolab Usa Inc. | High alkaline solvent-based cleaners, cleaning systems and methods of use for cleaning zero trans fat soils |
US11118137B2 (en) | 2009-06-15 | 2021-09-14 | Ecolab Usa Inc. | High alkaline cleaners, cleaning systems and methods of use for cleaning zero trans fat soils |
US11697787B2 (en) | 2009-06-15 | 2023-07-11 | Ecolab Usa Inc. | High alkaline cleaners, cleaning systems and methods of use for cleaning zero trans fat soils |
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