EP1493803B1 - Reinigungsmittelzusammensetzungen - Google Patents

Reinigungsmittelzusammensetzungen Download PDF

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Publication number
EP1493803B1
EP1493803B1 EP04023010A EP04023010A EP1493803B1 EP 1493803 B1 EP1493803 B1 EP 1493803B1 EP 04023010 A EP04023010 A EP 04023010A EP 04023010 A EP04023010 A EP 04023010A EP 1493803 B1 EP1493803 B1 EP 1493803B1
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EP
European Patent Office
Prior art keywords
composition
perfume
mixtures
ether
glycol
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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EP04023010A
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English (en)
French (fr)
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EP1493803A1 (de
Inventor
Peter Robert Foley
Howard David Hutton
Carl-Eric Kaiser
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Procter and Gamble Co
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Procter and Gamble Co
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Priority claimed from PCT/US2000/020255 external-priority patent/WO2002008371A2/en
Application filed by Procter and Gamble Co filed Critical Procter and Gamble Co
Priority claimed from EP01959010A external-priority patent/EP1305392B1/de
Publication of EP1493803A1 publication Critical patent/EP1493803A1/de
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Classifications

    • 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
    • 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
    • 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
    • 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
    • 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
    • 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
    • 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
    • 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
    • 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
    • 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
    • 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
    • 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
    • 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
    • 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 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.
  • US-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.
  • compositions and methods used prior to the washing process of tableware and cookware soiled with cooked-on, baked-on or burnt-on food in order to facilitate the removal of these difficult food residues.
  • Compositions effective for the removal of cooked-, baked- or burnt-on soils can contain chemicals which are sometimes perceived as having an unpleasant odor associated with them.
  • these problems can be exacerbated in spray-type compositions and products.
  • the use of odor masking base in personal care compositions is known in the personal cleansing art as for example in US-A-5,874,073 and US-A-5,919,440.
  • the efficacy of such odor masking materials in spray-type household cleaning products has apparently not hitherto been appreciated in the art.
  • compositions for the removal of cooked-, baked- or burnt-on soils can aggravate the malodor issue.
  • Another factor which can aggravate the malodor issue is the interaction of the cleaning composition with water leading to a perceived malodor, for instance, when the user rinses off the composition from the treated utensil.
  • the perfume should not leave residue or residual odor on surfaces that the cleaning composition has contacted. Residual perfumes on cookware and tableware may be perceived negatively by consumers as chemical residues and may result in concerns around food contamination in subsequent uses.
  • 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 an organic solvent system and an odor-masking blooming perfume composition comprising:
  • 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 0.1 to 3%, preferably from 0.5 to 2% of cyclodextrin by weight of the composition.
  • cyclodextrin includes any of the known cyclodextrins such as unsubstituted 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.
  • the organic solvent preferably has a volatile organic content above 1 mm Hg of less than about 50% and also preferably includes at least one solvent component acting as soil swelling agent.
  • the composition is preferably in sprayable form and incorporated in a spray dispenser.
  • the spray droplet size is also preferably carefully controlled by the inclusion of a thickening system as herein described.
  • the soil swelling agent is present in the compositions herein in effective amounts, i.e., in amounts effective to provide the necessary soil swelling functionality.
  • 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 10.5, preferably from 11 to 14 and more preferably from 11.5 to 13.5.
  • a pH as measured in a 10% solution in distilled water
  • cleaning performance is related in part to the high pH of the cleaning composition.
  • 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 5, more preferably less than about 4 and especially less than 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 DG 115-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.
  • a 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.
  • the level of surfactant is from 0.05 to 10%, more preferably from 0.09 to 5% and 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 15%, preferably at least about 20% more preferably at least 30% and especially at least 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 preferably 20
  • 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 100%, preferably at least about 200% and more preferably at least 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 (S i ) 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 (S i ) 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.
  • compositions herein preferably also include a spreading auxiliary.
  • 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.
  • 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 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.
  • 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.
  • 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.
  • 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% 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 control the spray droplet size and 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 4 -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 3:1 to 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 1:2 to 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 150°C, flash point below about 50°C, preferably below 100°C or vapor pressure above 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 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.
  • Even when the high perfume concentrations adequately modify, hide or otherwise mask the composition's malodors these high concentrations do not necessarily result in improved perfume substantivity or longevity, thus resulting in the recurrence of malodor after the perfume has volatilized.
  • these malodor problems can be exacerbated in compositions designed for spray-type applications.
  • Certain flowers (e.g., mimosa, violet, iris) and certain roots (e.g., orris) contain varying levels of ionones that can be used in the perfume formulations herein either in their natural forms or in speciality accords in amounts sufficient to provide the required level of ionones.
  • Preferred ionones are selected from gamma-Methyl Ionone, Alvanone extra, Irisia Base, naturally occurring ionone materials obtained, for example, from mimosa, violet, iris and orris, and mixtures thereof.
  • the composition herein comprises naturally occurring ionone materials.
  • the perfume or perfume base may additionally comprise a musk.
  • the musk preferably has a boiling point of more than 250°C.
  • Preferred musks are selected from Exaltolide Total, Habonolide, Galaxolide and mixtures thereof.
  • Boiling point according to the present invention is measured under normal standard pressure of 760 mm Hg.
  • the boiling points of many perfume ingredients, at standard 760 mm Hg are given in, e.g., "Perfume and Flavor Chemicals (Aroma Chemicals),” Steffen Arctander, published by the author, 1969.
  • the octanol/water partition coefficient of a perfume ingredient is the ratio between its equilibrium concentrations in octanol and in water.
  • the partition coefficients of the preferred perfume ingredients of the present invention may be more conveniently given in the form of their logarithm to the base 10, logP.
  • the logP values of many perfume ingredients have been reported; for example, the Pomona92 database, available from Daylight Chemical Information Systems, Inc. (Daylight CIS), Irvine, California, contains many, along with citations to the original literature. However, the logP values are most conveniently calculated by the "CLOGP" program, also available from Daylight CIS. This program also lists experimental logP values when they are available in the Pomona92 database.
  • ClogP The "calculated logP” (ClogP) is determined by the fragment approach of Hansch and Leo ( cf., A. Leo, in Comprehensive Medicinal Chemistry, Vol. 4, C. Hansch, P. G. Sammens, J. B. Taylor and C. A. Ramsden, Eds., p. 295, Pergamon Press, 1990).
  • the fragment approach is based on the chemical structure of each perfume ingredient, and takes into account the numbers and types of atoms, the atom connectivity, and chemical bonding.
  • the ClogP values which are the most reliable and widely used estimates for this physicochemical property, are preferably used instead of the experimental logP values in the selection of perfume ingredients which are useful in the present invention.
  • the first perfume group is characterised by having boiling point of 250 °C or less and ClogP of 3.0 or less. More preferably ingredients of the first perfume group have boiling point of 240°C or less, most preferably 235 °C or less and a ClogP value of 2.5 or less.
  • the first group of perfume ingredients is preferably present at a level of at least about 7.5%, more preferably at least about 15% and most preferably about at least 25% by weight of the blooming perfume composition.
  • the second perfume group is characterised by having boiling point of 250 °C or less and ClogP of greater than 3.0. More preferably ingredients of the second perfume group have boiling point of 240 °C or less, most preferably 235 °C or less and a ClogP value of greater than 3.2.
  • the second perfume group is preferably present at a level of at least about 20%, preferably at least about 35% and most preferably at least about 40% by weight of the blooming perfume composition.
  • 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 -CH 2- CH(OH)-CH 3 or a -CH 2 CH 2 -OH group; branched cyclodextrins such as maltose-bonded cyclodextrins; cationic cyclodextrins such as those containing 2-hydroxy-3(dimethylamino)propyl ether, wherein R is CH 2 -CH(OH)-CH 2 -N(CH 3 ) 2 which is cationic at low pH; quaternary ammonium, e.g.,
  • 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 DIMEB, 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. Hydroxypropyl beta-cyclodextrin, avalaible from Cerestar, is preferred for use herein.
  • 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 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 subsequent cleaning process.
  • the compositions are characterised by having an organic solvent system and an odor-masking blooming perfume composition.
  • 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.
  • 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-1-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.
  • 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 C 5 -C 20 , preferably C 10 -C 18 linear or branched; cationic surfactants such as chlorine esters (US-A-4228042, US-A-4239660 and US-A-4260529) and mono C 6 -C 16 N-alkyl or alkenyl ammonium surfactants wherein the remaining N positions are substituted by methyl, hydroxyethyl or hydroxypropyl groups; low and
  • 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 SiO 2 :Na 2 O 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.), M1 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
  • 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; pemonanoic 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 incorporated 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(III) 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: wherein 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, and z is an integer of about 4 to about 25.
  • R I 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 II 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
  • R III is selected from the group consisting of:
  • 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
  • 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 and Mn(II) compounds, particularly Mn(II) 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 and Mn(II) compounds, particularly Mn(II) salts of
  • 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, fillers
  • 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.
  • the ionones and musks preferably have a boiling point at 101 325 Pa (1 atmosphere) of pressure of more than 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.
  • the boiling point at normal or ambient pressure can be approximately estimated by using boiling point-pressure nomographs, such as those given in "The Chemist's Companion," A.
  • 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. 306-316, "Computer-Assisted Prediction of Normal Boiling Points of Furans, Tetrahydrofurans, and Thiophenes," D. T. Stanton et al, J. Chem. Inf. Comput. Sci., 31 (1992), pp. 301-310, and references cited therein, and "Predicting Physical Properties from Molecular Structure," R. Murugan et al, Chemtech, June 1994, pp. 17-23.
  • Highly volatile perfumes are the first odors recognized and identified by the brain, and help inhibit or mask the olfactory recognition of the solvents.
  • the highly volatile perfumes are more volatile than the ionone and musk components 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 101 315 Pa (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-1-al, dodecanal, 3,7-dimethyl-7-hydroxyoctan-1-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, 1,1-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-1-ol, 3,7-dimethyl-6-octen-1-ol, 3,7-dimethyl-1,6-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.
  • Nonlimiting examples of suitable ethers include amyl cresol oxide, 4-ethoxy-1-methyl-benzol, 4-methoxy- 1-methyl benzene, methyl phenylethyl ether, and mixtures thereof.
  • ketones include dimethyl acetophenone, ethyl-n-amyl ketone, 2-heptanone, 2-octanone, 3-methyl-2-(cis-2-penten- 1-yl)-2-cyclopenten-1-one, 1-1-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, Inc. located in New York, N.Y., U.S.A.); benzaldehyde sold under the tradename Amandol (available from Rhone-Poulenc, Inc located in Princeton, N.J., U.S.A.); cis-3-hexenyl acetate sold under the tradename Verdural extra (available from International Flavors and Fragrances, Inc.
  • Allyl Amyl Glycolate available from International Flavors and Fragrances, Inc. located in New York, N.Y., U.S.A.
  • Amandol available from Rhone-Poulenc, Inc located in Princeton, N.J., U.S.A.
  • Verdural extra available from International Flavors and Fragrances, Inc.
  • Nonlimiting examples of suitable highly volatile perfumes and their respective boiling point values at 101 325 Pa (1 atmosphere) pressure are given in US-A-5,919,440.
  • 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 herein has a boiling point-under 101 325 Pa (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 1-(2,6,6-Trimethyl-2-cyclohexene-1-yl)-1,6-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-1-yl)-4-methyl-4-penten-3-one, 6-(2,6,6-Trimethyl-2-cyclohexen-1-yl)-1-methyl-5-hexen-4-one, 2,6,6-Trimethyl cyclohexyl-1-butenone-3, Dihydro-alpha-ionone, 4-(2,6,6-Trimethylcyclohexen-1-yl)-butan-2-one, 4-(2-Methylene-6,6-dimethylcyclohexyl)-butan-2-one, 1-(2,5,6,6-Tetramethyl
  • Preferred ionones include 4-(2,6,6-Trimethyl-3-cyclohexen-1-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 perfume composition 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 Alvanone Extra available from International Flavors and Fragrances, Inc. located in New York, N.Y., U.S.A., Irisia Base available from Firmenich, Inc located in Princeton, N.J., U.S.A., Irival available from International Flavors and Fragrances, Inc. located in New York, N.Y., U.S.A., Iritone available from International Flavors and Fragrances, Inc. located in New York, N.Y., U.S.A., and mixtures thereof.
  • the musk and highly volatile perfumes for use in the odor masking base can also be incorporated into the composition 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 speciality 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 at 101 325 Pa (1 atmosphere) pressure are given in US-A-5,919,440.
  • 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 herein must have a boiling point under 101 325 Pa (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-1,1,2,3,3,6-hexamethylindan, 4-Acetyl-1,1-dimethyl-6-tertiary-butylindan, 7-Acetyl-1,1,3,4,4,6-hexamethyl-1,2,3,4-tetrahydronaphthalene, 1,1,4,4-Tetramethyl-6-ethyl-7-acetyl-1,2,3,4-tetrahydronaphthalene, 1,3,4,6,7,8-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 1,1,3,3,5-Pentamethyl-4,6-dinitroindan, 2,6-Dinitro-3-methoxy-1-methyl-4-tertiary-butylbenzene, 2,6-Dimethyl-3,5-dinitro-4-tertiary-butyl-acetophenone, 2,6-Dinitro-3,4,5-trimethyl-tertiary-butyl-benzene, 2,4,6-Triinitro-1,3-dimethyl-5-tertiary-butylbenzene, and mixtures thereof.
  • Preferred musks include 1,3,4,6,7,8-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.
  • Galaxolide available from International Flavors and Fragrances, Inc. located in New York, N.Y., U.S.A.
  • Exaltolide available from Firmenich, Inc. located in Princeton, N.J., U.S.A.
  • Ethylene Brassylate available from Fragrance Resource, Inc.
  • Nonlimiting examples of suitable musks and their respective boiling point values under 101 325 Pa (1 atmosphere) of pressure are given in US-A-5,919,440.
  • the first and second groups of perfume ingredients of the odor-masking blooming, perfume composition used herein are preferably selected from the group consisting of esters, ketones, aldehydes, alcohols, derivatives thereof and mixtures thereof.
  • Table 1 provides some examples of preferred first perfume group ingredients and table 2 provides some examples of preferred second perfume group ingredients.
  • the weight ratio of second blooming perfume group ingredients to first blooming perfume group ingredients is typically at least 1, preferably at least 1.3, more preferably 1.5, and even more preferably 2.
  • the blooming perfume compositions preferably comprises at least 42.5%, more preferably at least 50%, even more preferably at least 60% of the combined first and second perfume group ingredients.
  • Table 1 Examples of First Perfume Group Ingredients Perfume Ingredients Approx BP (°C) Approx.
  • the odor detection threshold of an odorous material is the lowest vapor concentration of that material which can be detected.
  • the odor detection threshold and some odor detection threshold values are discussed in, e.g., "Standardized Human Olfactory Thresholds", M. Devos et al, IRL Press at Oxford University Press, 1990, and "Compilation of Odor and Taste Threshold Values Data", F. A. Fazzalari, editor, ASTM Data Series DS 48A, American Society for Testing and Materials, 1978.
  • Non-limiting examples of perfume ingredients that have low odor detection threshold values useful in the present invention include coumarin, vanillin, ethyl vanillin, methyl dihydro isojasmonate, 3-hexenyl salicylate, isoeugenol, lyral, gamma-undecalactone, gamma-dodecalactone, methyl beta naphthyl ketone, and mixtures thereof. These materials are preferably present at low levels in addition to the blooming and optionally delayed blooming ingredients, typically less than 5%, preferably less than 3%, more preferably less than 2%, by weight of the blooming perfume compositions used herein.

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Claims (10)

  1. Reinigungszusammensetzung für harte Oberflächen zur Entfernung von angekochtem, angebackenem oder angebranntem Lebensmittelschmutz von Kochgeschirr und Essgeschirr, wobei die Zusammensetzung ein organisches Lösungsmittelsystem und eine geruchsmaskierende Zusammensetzung flüchtiger Duftstoffe umfasst, umfassend:
    a) zu mindestens 5 Gew.-% davon einen oder mehrere erste Duftstoffbestandteile mit einem Siedepunkt von 250 °C oder weniger und einem ClogP von 3,0 oder weniger;
    b) zu mindestens 40 Gew.-% davon einen oder mehrere zweite Duftstoff-bestandteile mit einem Siedepunkt von 250 °C oder weniger und einem ClogP von über 3,0;
    c) zu mindestens 15 Gew.-% davon nichtflüchtige Duftstoffmaterialien mit einem Siedepunkt über 250 °C bei einem Druck von 101 325 Pa (1 Atmosphäre), und die vorzugsweise ein Ionon oder eine Mischung von Iononen und/oder ein Moschus oder eine Mischung von Moschus umfasst;
    wobei die Duftstoffzusammensetzung vorzugsweise ferner dadurch gekennzeichnet ist, dass mindestens ein einzelner erster oder zweiter Duftstoffbestandteil in einer Menge von mindestens 4 Gew.-% der Zusammensetzung vorhanden ist.
  2. Zusammensetzung nach einem der vorstehenden Ansprüche, die außerdem ein Cyclodextrin-Geruchsbekämpfungsmittel umfasst.
  3. Zusammensetzung nach einem der vorstehenden Ansprüche, wobei das Lösungsmittel mindestens einen Lösungsmittelbestandteil einschließt, der als Schmutzquellmittel wirkt, und wobei die Zusammensetzung einen pH-Wert von mindestens 10,5, vorzugsweise von 11 bis 12,8 aufweist.
  4. Zusammensetzung nach einem der vorstehenden Ansprüche, wobei die Zusammensetzung von 0,05 bis 10 %, vorzugsweise von 0,1 bis 2 % Tensid, ausgewählt aus anionischen, amphoteren, zwitterionischen, nichtionischen und semipolaren Tensiden und Mischungen davon, umfasst.
  5. Zusammensetzung nach einem der vorstehenden Ansprüche, wobei die Zusammensetzung ein organisches Lösungsmittelsystem, ausgewählt aus Alkoholen, Aminen, Estern, Glycolethern, Glycolen, Terpenen und Mischungen davon, umfasst und mindestens einen Organoamin-Lösungsmittelbestandteil einschließt.
  6. Zusammensetzung nach Anspruch 5, wobei das organische Lösungsmittelsystem aus Organoaminlösemitteln, einschließlich Alkanolaminen, Alkylaminen, Alkylenaminen und Mischungen davon; alkoholischen Lösungsmitteln, einschließlich aromatischen, aliphatischen (vorzugsweise C4-C10) und cycloaliphatischen Alkoholen und Mischungen davon; Glycolen und Glycolderivaten, einschließlich C2-C3-(Poly)alkylenglycolen, Glycolethern, Glycolestem und Mischungen davon; und Mischungen, ausgewählt aus Organoaminlösungsmitteln, alkoholischen Lösungsmitteln, Glycolen und Glycolderivaten, ausgewählt ist.
  7. Zusammensetzung nach Anspruch 5 oder 6, wobei das organische Lösungsmittel Organoaminlösungsmittel (besonders Alkanolamin, spezieller 2-Aminoalkanol) und Glycoletherlösungsmittel, vorzugsweise in einem Gewichtsverhältnis von 3:1 bis 1:3 umfasst und wobei das Glycoletherlösungsmittel aus Ethylenglycolmonobutylether, Diethylenglycolmonobutylether, Ethylenglycolmonomethylether, Ethylenglycolmonoethylether, Diethylenglycolmonomethylether, Diethylenglycolmonoethylether, Propylenglycolmonobutylether, Dipropylenglycolmonobutylether, Ethylenglycolphenylether und Mischungen davon ausgewählt ist.
  8. Zusammensetzung nach einem der Ansprüche 5 bis 7, wobei der Glycolether eine Mischung aus Diethylenglycolmonobutylether und Propylenglycolbutylether ist, vorzugsweise in einem Gewichtsverhältnis von 1:2 bis 2:1.
  9. Zusammensetzung nach einem der Ansprüche 5 bis 8, wobei das organische Lösungsmittel bei über 133 Pa (1 mm Hg) einen Gehalt an flüchtigen organischen Verbindungen von weniger als 50 %, vorzugsweise weniger als 20 %, mehr bevorzugt weniger als 10 % aufweist.
  10. Zusammensetzung nach einem der vorstehenden Ansprüche in der Form einer Geschirrspül-Vorbehandlungszusammensetzung.
EP04023010A 2000-07-19 2001-07-18 Reinigungsmittelzusammensetzungen Expired - Lifetime EP1493803B1 (de)

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US20255 2000-07-25
PCT/US2000/034906 WO2002008374A1 (en) 2000-07-19 2000-12-21 Cleaning composition
PCT/US2000/034907 WO2002008373A1 (en) 2000-07-19 2000-12-21 Cleaning composition
US34906 2000-12-21
US34907 2000-12-21
US26848601P 2001-02-13 2001-02-13
US268486P 2001-02-13
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US10934502B2 (en) 2015-07-13 2021-03-02 The Procter & Gamble Company Cleaning product
US10851330B2 (en) 2015-07-29 2020-12-01 Dubois Chemicals, Inc. Method of improving paper machine fabric performance

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ATE455836T1 (de) 2010-02-15
CA2416326A1 (en) 2002-01-31
EP1305390B1 (de) 2008-05-14
MXPA03000493A (es) 2003-06-24
CA2416327C (en) 2008-07-22
CA2414133C (en) 2008-11-04
MXPA03000490A (es) 2003-06-24
ATE395405T1 (de) 2008-05-15
DE60031309T2 (de) 2007-05-24
CA2416327A1 (en) 2002-01-31
EP1305389A1 (de) 2003-05-02
EP1493803A1 (de) 2005-01-05
AU2001222875A1 (en) 2002-02-05
JP3962327B2 (ja) 2007-08-22
CA2414140C (en) 2008-06-03
EP1305388A1 (de) 2003-05-02
DE60031309D1 (de) 2006-11-23
MXPA03000491A (es) 2003-06-24
WO2002008509A1 (en) 2002-01-31
JP2004506750A (ja) 2004-03-04
WO2002008374A1 (en) 2002-01-31
CA2414140A1 (en) 2002-01-31
JP2004509175A (ja) 2004-03-25
ATE481471T1 (de) 2010-10-15
EP1305383A1 (de) 2003-05-02
AU2001222873A1 (en) 2002-02-05
AU2001222876A1 (en) 2002-02-05
WO2002008370A2 (en) 2002-01-31
ES2280389T3 (es) 2007-09-16
ES2273742T3 (es) 2007-05-16
EP1305390A1 (de) 2003-05-02
WO2002008370A3 (en) 2003-10-16
ATE342336T1 (de) 2006-11-15
AU2001224494A1 (en) 2002-02-05
ES2306676T3 (es) 2008-11-16
WO2002008375A1 (en) 2002-01-31
ES2352670T3 (es) 2011-02-22
EP1305389B1 (de) 2006-10-11
ES2225589T3 (es) 2005-03-16
EP1305383B1 (de) 2010-01-20
WO2002008376A1 (en) 2002-01-31
AU2001222874A1 (en) 2002-02-05
JP2004509176A (ja) 2004-03-25
MXPA03000492A (es) 2003-06-24
EP1305388B1 (de) 2010-09-15
WO2002008373A1 (en) 2002-01-31
ES2339420T3 (es) 2010-05-20
JP2004515569A (ja) 2004-05-27
CA2414133A1 (en) 2002-01-31

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