Classifications

• • 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
  • C11D3/221—Mono, di- or trisaccharides or derivatives 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
  • C11D10/00—Compositions of detergents, not provided for by one single preceding group
  • C11D10/04—Compositions of detergents, not provided for by one single preceding group based on mixtures of surface-active non-soap compounds and soap
• • 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
  • C11D10/00—Compositions of detergents, not provided for by one single preceding group
  • C11D10/04—Compositions of detergents, not provided for by one single preceding group based on mixtures of surface-active non-soap compounds and soap
  • C11D10/042—Compositions of detergents, not provided for by one single preceding group based on mixtures of surface-active non-soap compounds and soap based on anionic surface-active compounds and soap
• • 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
  • C11D17/0047—Detergents in the form of bars or tablets
  • C11D17/0056—Lavatory cleansing blocks
• • 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
  • C11D3/48—Medical, disinfecting agents, disinfecting, antibacterial, germicidal or antimicrobial 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
  • C11D9/00—Compositions of detergents based essentially on soap
  • C11D9/04—Compositions of detergents based essentially on soap containing compounding ingredients other than soaps
  • C11D9/22—Organic compounds, e.g. vitamins
  • C11D9/26—Organic compounds, e.g. vitamins containing oxygen
  • C11D9/262—Organic compounds, e.g. vitamins containing oxygen containing carbohydrates

Definitions

• the present invention relates to a sanitary composition for cleaning and/or disinfecting and/or deodorizing sanitary elements, especially toilets.
• One very old solution is a block placed in cage.
• Another solution is a gelified liquid applied over the faience of the toilet, where the liquid is substantially viscous.
• Yet another solution is an adhesive gel that is applied locally to the toilet. The present invention deals with this latter technical solution.
• EP-A-1086199 discloses a sanitary product for cleaning and/or disinfecting and/or deodorizing, which product is said to be applicable directly to the sanitary ware, to be adhering there and only washable off after a large number of flushes, said product comprising water, anionic and/or nonionic and/or amphoteric surfactant, fragrances, an adhesion promoter selected from a wide list (comprising inter alia polyalkoxy alkanes, cellulose, starch, alginates, diurethanes, gelatines, pectines, oleyl amines, alkyl dimethyl amine oxides, stearates, sodium dodecylbenzene sulfonates, agar agar, acacia gum, carob bean flour, polyacrylates, polyvinyl alcohols and polyvinylpyrrolidones), and further exhibiting a specific viscosity (at least 15,000 mPas).
• EP-A-1325103 is an improvement of the afore-mentioned patent application to the same applicant. The improvement lies in the use of specific polyhydroxy compounds.
• WO-A-98/46712 discloses a gel sanitary composition comprising a polysaccharide (1-5%), a surfactant (3-25%) which is a C8-C22 alkyl polyglycolside, perfume (2-15%) and further additives.
• a surfactant 3-25%) which is a C8-C22 alkyl polyglycolside
• perfume 2-15%) and further additives.
• Xanthan gum and guar gums are examples of polysaccharides used in this patent application.
• EP-A-0864637 also discloses a gel lavatory cleansing composition which permanently refreshes the air, in block form comprising surfactants, flush regulators, gel formers, fragrance (especially 0.5 to 20% by weight) and solvents. It is indicated that a certain fraction of the composition goes into solution during each flushing operation, such that the cleaning components are released continuously in the required amount. There is no indication about the adhesion properties.
• the product is self-adhesive, and yet be transparent or translucent.
• the invention thus provides a self-adhesive sanitary composition for cleaning and/or disinfecting and/or deodorizing comprising:
• the composition comprises:
• the composition comprises, by weight based on the total weight of the composition:
• the mono or oligosaccharide is glucose, fructose, saccharose, glucose syrup, or mixtures thereof, more preferably the mono or oligosaccharide is a sugar which is a mixture of saccharose and glucose syrup, advantageously in weight ratios of 40/60 to 80/20.
• the fatty acid is lauric, palmitic, myristic, stearic acid or mixtures thereof, preferably the fatty acid is a lauric acid or palmitic acid or a mixture thereof, more preferably at a weight ratio of 20:80 to 80:20.
• the metal soap is the sodium, potassium or calcium soap, preferably the sodium soap.
• the composition further comprises an anionic and/or a cationic and/or a nonionic and/or an amphoteric surfactant, preferably an anionic surfactant, more preferably an anionic of the sulfate and/or sulfonate type.
• the composition comprises by weight based on the total weight of the composition from 8% to 25%, preferably from 10 to 20%, of the surfactant.
• the composition further comprises a perfume, preferably in an amount from 2% to 10%, more preferably from 3% to 8%, by weight based on the total weight of the composition.
• the composition further comprising a viscosity regulator, preferably from the group of the mono-, polyhydric alcohols and/or alkyl ethers thereof, preferably a glycol or sorbitol, or an alkanolamine preferably diethanolamine.
• a viscosity regulator preferably from the group of the mono-, polyhydric alcohols and/or alkyl ethers thereof, preferably a glycol or sorbitol, or an alkanolamine preferably diethanolamine.
• the composition comprises by weight based on the total weight of the composition from 10% to 45%, preferably from 20 to 35%, of the viscosity regulator.
• the composition further comprises additives, preferably in an amount from 0% to 5%, preferably from 1 % to 3%, by weight based on the total weight of the composition.
• the composition further comprises a solvent, preferably water, preferably qsp 100%.
• the invention also provides the use of the composition of the invention for cleaning and/or disinfecting and/or deodorizing sanitary elements, especially toilets.
• the invention further provides a process for cleaning and/or disinfecting and/or deodorizing sanitary elements, especially toilets, comprising the steps of (i) adhering the composition of the invention to said element and (ii) flushing it.
• composition of the invention can be used with or without cages, and in the latter case is directly applied on the toilet ware, even on wet surfaces.
• the beneficial effect of the invention is obtained thanks to a synergistic effect of saccharides, especially sugar, with fatty acids salts.
• the product obtained in the invention exhibits a multi-layers structure which provides self-adhesion and avoids quick dissolution at the surface of the gel.
• the gel structure is maintained for a longer time, providing enhanced aesthetical properties to the product.
• the product of the invention is a gel, typically of a colloidal structure.
• the term gel has the meaning generally accepted in the art, as is used notably in the prior patent applications cited above. Yet the gel is substantially a rigid one but still allows for a direct application to the toilet ware.
• the rigidity is assessed either visually or by the measure of the viscosity. When the rigidity is assessed visually, in the context of this invention, one should understand the term rigidity, as a gel which is not self flowing at room temperature in the absence of any exterior forces, other than gravitational forces.
• the gel of the invention has preferably a viscosity between 70,000 and 140,000 mPas, measured at 20°C, with a 25 mm cone / plate - angle 1 deg - shear rate 25s -1 .
• composition that is provided below as an example of a possible, non limiting, composition.
• the saccharide is a mono or oligosaccharide or mixtures thereof.
• An oligosaccharide comprises up to 10 monomers. It is preferably a monosaccharide or disaccharide or a mixture thereof. Notably it can be a sugar.
• a preferred sugar is a mixture of saccharose/glucose syrup (notably 60/40).
• Monosaccharides are known as "ose", and comprise triose, t6trose, pentose, hexose, heptose.
• Preferred oses are hexoses, such as glucose, fructose, mannose, especially glucose.
• Disaccharides are also known and are formed of two "ose” bound by an osidic bound. Examples are maltose, lactose, cellubiose (reducing diholoside), and saccharose and trehalose (non-reducing diholoside).
• the saccharide can also be the result of the hydrolysis of starch, with a high degree of hydrolysis.
• the DE value (dextrose quivalent) is typically higher than 20.
• the saccharide is generally in an amount from 5% to 40%, preferably 15% to 30%.
• the fatty acid soap is a soap of a fatty acid comprising from 10 to 24 carbon atoms, preferably from 12 to 18, more preferably from 12 to 16.
• Representative acids are lauric, palmitic, myristic and stearic acids, as well as mixtures thereof.
• the acids are lauric and palmitic acids, as well as mixtures thereof. Mixtures of lauric and palmitic acids are especially preferred.
• the soap is obtained with a metallic salt, such as sodium, calcium and potassium.
• the preferred salt is the sodium salt.
• the fatty acid metal soap is generally in an amount from 3% to 15%, preferably 5% to 10%.
• the invention is based on this combination of the mono or oligosaccharide and the metal soap.
• an anionic, cationic, nonionic or amphoteric surfactant can be present.
• the preferred surfactant is of the anionic type.
• Anionic surfactants can be:
• anionic surfactant is of the sulfate and/or sulfonate type.
• Nonionic surfactants can be:
• Cationic surfactants can be:
• Amphoteric surfactants can be:
• the surfactant is generally in an amount from 8% to 25%, preferably from 10 to 20%.
• a perfume is generally present in the composition.
• the perfume can be as disclosed at paragraph [0064] of US2008/0255017 which is incorporated herein by reference.
• the fragrance can be based on flowers fragrance, fruits, spices, and the like.
• the perfume can be of natural origin or can be synthetized. It is present generally in an amount from 2% to 10%, preferably from 3% to 8%.
• a viscosity regulator (also known as flush regulator) is generally present in the composition.
• viscosity regulator it can be chosen from the group of the mono or di - alcohols and polyols, and/or alkyl ethers. It can notably be a glycol such as propylene glycol (propane-1,2-diol ; 1,2-dihydroxypropane ; methyl glycol ; trimethyl glycol). Or it can be more generally a diol, such as 1,3 dihydroxypropane, 1,3 or 1,4 dihydroxybutane, 1,3 dihydroxyisobutane, or a polyol such as sorbitol or pentaerythritol.
• Alkyl ethers are possible, such as methyl, ethyl and n-butyl ether; for example it can be dipropylene glycol methyl ether. It can also be an alkanolamine such as diethanolamine. It is generally present in an amount from 10% to 45%, preferably from 15% to 30%.
• Thickeners can be used, such as xanthan gum, acacia gum, guar gum or carrageenan gum.
• a solvent is used in the composition. It can be water, alcohol such as ethanol, or a mixture thereof.
• the preferred solvent is water.
• the amount is qsp 100%.
• the sanitary agent can thus comprise further customary constituents, for example disinfectants, enzymes, particles such as colored PET or PP, preservatives, biocides, etc. such as, for example, isothiazolone derivative, EDTA, or foam stabilizers, such as coconut fatty acid amidopropylbetaine or coconut fatty acid amidopropyldimethylamine oxide, coconut fatty acid mono/diethanolamide or alkyl polyether glycerol ether sulfates, but also dyes or colorant and/or substances which dissolve limescale or urine scale in particular acids and/or phosphonates.
• the amount of additives is generally from 0% to 5%, preferably from 1 % to 3%.
• the composition is manufactured according to the following process.
• metal soap is introduced, which is then melted.
• the melted soap is added together with the saccharide at a temperature such that the mixture remains liquid.
• the mixture of surfactant, pre-heated at the right temperature is then added to the main vessel.
• a solution of the solvent and the viscosity regulator is prepared in a second auxiliary mixer, it is then added to main mixer.
• the final mixture is then cooled down at e.g. 60°C before fragrances, dyes and other additives are added to main mixer.
• the mixture is then poured in ad hoc container and cooled down at room temperature
• the saccharide When the saccharide is a mixture of two or more, they can be added at separate steps during the process. Also, it is possible to add the viscosity regulator at different stages of the process.
• composition is applied onto the toilet ware according to known processes as depicted in the afore-mentioned EP-A-1325103 and EP-A-1086199 and/or using the tools disclosed in the following patent applications WO-A-2007/008532 , EP-A-2141221 , WO-A-2011/135330 and EP-A-2281756 .
• compositions are rigid, while plastic enough to be easily applied on the toilet. They are easy to apply on toilet and have good adhesive properties. Before flushing, the compositions are very transparent with a nice visual aspect. This nice visual aspect is retained through the flushing. The life time is about 100 flushes.

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• Chemical & Material Sciences (AREA)
• Life Sciences & Earth Sciences (AREA)
• Engineering & Computer Science (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Oil, Petroleum & Natural Gas (AREA)
• Wood Science & Technology (AREA)
• Organic Chemistry (AREA)
• Health & Medical Sciences (AREA)
• Molecular Biology (AREA)
• Emergency Medicine (AREA)
• Dispersion Chemistry (AREA)
• Detergent Compositions (AREA)

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Citations (13)

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• 2012
  • 2012-05-11 EP EP12167737.1A patent/EP2662435B1/de not_active Not-in-force

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