AU2006233523B2 - Liquid hard surface cleaning composition - Google Patents
Liquid hard surface cleaning composition Download PDFInfo
- Publication number
- AU2006233523B2 AU2006233523B2 AU2006233523A AU2006233523A AU2006233523B2 AU 2006233523 B2 AU2006233523 B2 AU 2006233523B2 AU 2006233523 A AU2006233523 A AU 2006233523A AU 2006233523 A AU2006233523 A AU 2006233523A AU 2006233523 B2 AU2006233523 B2 AU 2006233523B2
- Authority
- AU
- Australia
- Prior art keywords
- composition
- hard surface
- malonic acid
- liquid hard
- soil
- 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.)
- Ceased
Links
- 239000000203 mixture Substances 0.000 title claims description 133
- 238000004140 cleaning Methods 0.000 title claims description 42
- 239000007788 liquid Substances 0.000 title claims description 31
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 120
- 229920000642 polymer Polymers 0.000 claims description 25
- 239000002689 soil Substances 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 22
- -1 quaternary ammonium ions Chemical class 0.000 claims description 18
- 239000004094 surface-active agent Substances 0.000 claims description 18
- 239000002253 acid Substances 0.000 claims description 17
- 239000007921 spray Substances 0.000 claims description 15
- 150000003839 salts Chemical class 0.000 claims description 14
- 150000001875 compounds Chemical class 0.000 claims description 13
- 239000002736 nonionic surfactant Substances 0.000 claims description 11
- 239000003945 anionic surfactant Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- 125000000129 anionic group Chemical group 0.000 claims description 8
- 229910052708 sodium Inorganic materials 0.000 claims description 7
- 239000003513 alkali Substances 0.000 claims description 5
- 229910021645 metal ion Inorganic materials 0.000 claims description 4
- 229910001413 alkali metal ion Inorganic materials 0.000 claims description 3
- 229910001420 alkaline earth metal ion Inorganic materials 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 150000002892 organic cations Chemical class 0.000 claims description 2
- 239000004359 castor oil Substances 0.000 description 19
- 235000019438 castor oil Nutrition 0.000 description 19
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 description 19
- 125000004432 carbon atom Chemical group C* 0.000 description 18
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 18
- 125000000217 alkyl group Chemical group 0.000 description 14
- 235000014113 dietary fatty acids Nutrition 0.000 description 11
- 239000000194 fatty acid Substances 0.000 description 11
- 229930195729 fatty acid Natural products 0.000 description 11
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical group C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 10
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 9
- 150000007513 acids Chemical class 0.000 description 9
- 230000002378 acidificating effect Effects 0.000 description 8
- 150000004665 fatty acids Chemical class 0.000 description 8
- 239000004615 ingredient Substances 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- 230000008901 benefit Effects 0.000 description 7
- 239000011734 sodium Substances 0.000 description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- KWIUHFFTVRNATP-UHFFFAOYSA-N Betaine Natural products C[N+](C)(C)CC([O-])=O KWIUHFFTVRNATP-UHFFFAOYSA-N 0.000 description 6
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 6
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- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 125000001931 aliphatic group Chemical group 0.000 description 6
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- 230000000052 comparative effect Effects 0.000 description 6
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- FJQXCDYVZAHXNS-UHFFFAOYSA-N methadone hydrochloride Chemical compound Cl.C=1C=CC=CC=1C(CC(C)N(C)C)(C(=O)CC)C1=CC=CC=C1 FJQXCDYVZAHXNS-UHFFFAOYSA-N 0.000 description 4
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- 239000011591 potassium Substances 0.000 description 4
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- 239000000047 product Substances 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- 239000003082 abrasive agent Substances 0.000 description 3
- 239000000443 aerosol Substances 0.000 description 3
- 229910052783 alkali metal Inorganic materials 0.000 description 3
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- 239000002280 amphoteric surfactant Substances 0.000 description 3
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- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 241000195940 Bryophyta Species 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Chemical compound OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 229920002845 Poly(methacrylic acid) Polymers 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 235000011054 acetic acid Nutrition 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 2
- 150000001342 alkaline earth metals Chemical class 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- JXLHNMVSKXFWAO-UHFFFAOYSA-N azane;7-fluoro-2,1,3-benzoxadiazole-4-sulfonic acid Chemical compound N.OS(=O)(=O)C1=CC=C(F)C2=NON=C12 JXLHNMVSKXFWAO-UHFFFAOYSA-N 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 125000002091 cationic group Chemical group 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 229940096386 coconut alcohol Drugs 0.000 description 2
- 239000007859 condensation product Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
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- 150000002191 fatty alcohols Chemical class 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 235000019253 formic acid Nutrition 0.000 description 2
- 239000000499 gel Substances 0.000 description 2
- 150000004676 glycans Chemical class 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 125000002768 hydroxyalkyl group Chemical group 0.000 description 2
- SUMDYPCJJOFFON-UHFFFAOYSA-N isethionic acid Chemical compound OCCS(O)(=O)=O SUMDYPCJJOFFON-UHFFFAOYSA-N 0.000 description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
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- 235000011929 mousse Nutrition 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
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- 235000021317 phosphate Nutrition 0.000 description 2
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- 125000001273 sulfonato group Chemical group [O-]S(*)(=O)=O 0.000 description 2
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- 125000006733 (C6-C15) alkyl group Chemical group 0.000 description 1
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 description 1
- SIDULKZCBGMXJL-UHFFFAOYSA-N 1-dimethylphosphoryldodecane Chemical compound CCCCCCCCCCCCP(C)(C)=O SIDULKZCBGMXJL-UHFFFAOYSA-N 0.000 description 1
- KRUABTDBQQLWLS-UHFFFAOYSA-N 1-methylsulfinyltetradecane Chemical compound CCCCCCCCCCCCCCS(C)=O KRUABTDBQQLWLS-UHFFFAOYSA-N 0.000 description 1
- GJCOSYZMQJWQCA-UHFFFAOYSA-N 9H-xanthene Chemical compound C1=CC=C2CC3=CC=CC=C3OC2=C1 GJCOSYZMQJWQCA-UHFFFAOYSA-N 0.000 description 1
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- 241000219310 Beta vulgaris subsp. vulgaris Species 0.000 description 1
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- NHLUVTZJQOJKCC-UHFFFAOYSA-N n,n-dimethylhexadecan-1-amine Chemical compound CCCCCCCCCCCCCCCCN(C)C NHLUVTZJQOJKCC-UHFFFAOYSA-N 0.000 description 1
- DVEKCXOJTLDBFE-UHFFFAOYSA-N n-dodecyl-n,n-dimethylglycinate Chemical compound CCCCCCCCCCCC[N+](C)(C)CC([O-])=O DVEKCXOJTLDBFE-UHFFFAOYSA-N 0.000 description 1
- GLENXXAWVZPRJI-UHFFFAOYSA-N n-propyldodecan-1-amine;sodium Chemical compound [Na].CCCCCCCCCCCCNCCC GLENXXAWVZPRJI-UHFFFAOYSA-N 0.000 description 1
- 229920001206 natural gum Polymers 0.000 description 1
- 239000005445 natural material Substances 0.000 description 1
- MGFYIUFZLHCRTH-UHFFFAOYSA-N nitrilotriacetic acid Chemical class OC(=O)CN(CC(O)=O)CC(O)=O MGFYIUFZLHCRTH-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 150000007530 organic bases Chemical class 0.000 description 1
- MPQXHAGKBWFSNV-UHFFFAOYSA-N oxidophosphanium Chemical group [PH3]=O MPQXHAGKBWFSNV-UHFFFAOYSA-N 0.000 description 1
- 239000002540 palm oil Substances 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 239000000312 peanut oil Substances 0.000 description 1
- QPCDCPDFJACHGM-UHFFFAOYSA-K pentetate(3-) Chemical compound OC(=O)CN(CC([O-])=O)CCN(CC([O-])=O)CCN(CC(O)=O)CC([O-])=O QPCDCPDFJACHGM-UHFFFAOYSA-K 0.000 description 1
- 239000002304 perfume Substances 0.000 description 1
- 235000020030 perry Nutrition 0.000 description 1
- 150000004714 phosphonium salts Chemical class 0.000 description 1
- 235000011007 phosphoric acid Nutrition 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000233 poly(alkylene oxides) Polymers 0.000 description 1
- 229920001308 poly(aminoacid) Polymers 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 229920001515 polyalkylene glycol Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000001205 polyphosphate Substances 0.000 description 1
- 235000011176 polyphosphates Nutrition 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 229920001289 polyvinyl ether Polymers 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 102000004196 processed proteins & peptides Human genes 0.000 description 1
- 108090000765 processed proteins & peptides Proteins 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000003352 sequestering agent Substances 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- DHQIJSYTNIUZRY-UHFFFAOYSA-M sodium;2,3-di(nonyl)naphthalene-1-sulfonate Chemical compound [Na+].C1=CC=C2C(S([O-])(=O)=O)=C(CCCCCCCCC)C(CCCCCCCCC)=CC2=C1 DHQIJSYTNIUZRY-UHFFFAOYSA-M 0.000 description 1
- HWCHICTXVOMIIF-UHFFFAOYSA-M sodium;3-(dodecylamino)propanoate Chemical compound [Na+].CCCCCCCCCCCCNCCC([O-])=O HWCHICTXVOMIIF-UHFFFAOYSA-M 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000004334 sorbic acid Substances 0.000 description 1
- 235000010199 sorbic acid Nutrition 0.000 description 1
- 229940075582 sorbic acid Drugs 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-O sulfonium Chemical compound [SH3+] RWSOTUBLDIXVET-UHFFFAOYSA-O 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 239000000375 suspending agent Substances 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 239000000230 xanthan gum Substances 0.000 description 1
- 235000010493 xanthan gum Nutrition 0.000 description 1
- 229940082509 xanthan gum Drugs 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
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
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/83—Mixtures of non-ionic with anionic 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
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/83—Mixtures of non-ionic with anionic compounds
- C11D1/831—Mixtures of non-ionic with anionic compounds of sulfonates with ethers of polyoxyalkylenes without phosphates
-
- 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
- C11D17/046—Insoluble free body dispenser
-
- 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
- C11D3/0005—Other compounding ingredients characterised by their effect
- C11D3/0036—Soil deposition preventing compositions; Antiredeposition agents
-
- 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
- C11D3/2075—Carboxylic acids-salts thereof
- C11D3/2082—Polycarboxylic acids-salts 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
- C11D7/22—Organic compounds
- C11D7/26—Organic compounds containing oxygen
- C11D7/265—Carboxylic acids or salts thereof
-
- C11D2111/14—
Description
WO 2006/108475 PCT/EP2006/002174 1 LIQUID HARD SURFACE CLEANING COMPOSITION Field of the invention The present invention relates to methods for cleaning hard 5 surfaces, and to compositions suitable for that purpose, involving the application of malonic acid to such surfaces. Background of the invention Household surfaces are normally cleaned using compositions 10 which contain one or more ingredients which assist in removal of fatty/oily/greasy soil and/or any visible staining such as from associated solid debris. Such compositions may be applied as diluted or concentrated aqueous solutions e.g. with a cloth, wipe or other 15 implement or as a spray, such as a trigger spray dispenser or other aerosol applicator, optionally followed by rinsing. Such compositions may be either acidic or alkaline. Acidic 20 compositions often contain carboxylic acids which may be mono-, di- or polycarboxylic acids, such as citric acid, sorbic acid, acetic acid, formic acid, maleic acid, adipic acid, lactic acid, malic acid and glycolic acid. Unless the type of soil specifically requires the presence of a strong 25 mineral acid, such acids are generally not recommended because of the damage they may cause on delicate and acid sensitive surfaces. Acidic cleaners are generally used for removing acid sensitive soil, such as limescale. For removal of fatty soil alkaline compositions are generally 30 preferred.
WO 2006/108475 PCT/EP2006/002174 2 The use of malonic acid in acidic hard surface cleaners is known in the art. In UK 2,392,167 a composition is described comprising malonic acid. The composition as described is formulated as an acidic composition and 5 intended for lavatory cleaning. In US 5,294,364 and US 5,039,441 another type of acidic hard surface cleaner is described, for the cleaning of surface items that are acid resistant or are of zirconium 10 white enamel. The compositions exclude malonic acid as it may be too strong for delicate hard surfaces. In WOOO/32737 and WOOO/27983 a cleaning process is described, using acids with pKa>3.5, to prevent damage to 15 enamel surfaces. Malonic acid is an optional ingredient in the composition and is described as chelating agent. Although the pKa of malonic acid is 2.8, no reference is made to that fact. 20 In W094/016045 machine dish washing compositions are disclosed comprising bicarboxylic acids, such as malonic acid, for corrosion inhibition. Whether for acidic or alkaline cleaning conditions it would 25 be advantageous to have a material applied to the surface to be cleaned which would assist removal of soil and/or staining during subsequent cleaning. Summary of the invention 30 It has been found that after a surface has been treated with malonic acid, certain malonic acid derivatives or their salts, soils or stains subsequently deposited on that -3 surface are more easily removed than without the previous treatment. This effect is generally referred to as "next time cleaning benefit". 5 Thus, the present invention seeks to provide a method for removing soil or stains from hard surfaces involving treating the surface with malonic acid, certain malonic acid derivatives or their salts. 10 The present invention also seeks to provide hard surface cleaning compositions comprising malonic acid, certain malonic acid derivatives or their salts. Detailed description of the inventions 15 All percentages mentioned herein are by weight calculated on the total composition unless specified otherwise. Accordingly, the present invention provides a method for removing soil or stains from a hard surface, the method 20 comprising the steps in sequence of: (a) treating the surface with a compound according to the general formula 1: R AO OA' 0 0 Formula 1 25 wherein A and A' are independently selected from -H, alkali and alkaline earth metal ions, quaternary ammonium ions, trivalent metal ions, and organic -4 cations, and wherein R is selected from -H or C 1
-C
4 alkyl or a combination of such compounds; (b) allowing the soil or stain to deposit on the surface; and 5 (c) cleaning the surface to remove the soil or stains. The present invention further provides a liquid hard surface cleaning composition comprising: (a) 0.01 to 10% by weight of a compound according to 10 the general formula 1 above; and (b) 0.01 to 50% by weight of the total composition of surfactant material, wherein the surfactant comprises anionic and nonionic surfactant in a ratio between 20:1 and 1:10. 15 According to another aspect the present invention provides a liquid hard surface cleaner composition comprising: (a) 0.01 to 10% by weight of malonic acid, malonic acid derivatives and their salts is of the 20 formula: R AO OA' 0 0 wherein A and A' are independently selected from -H, alkali and alkaline earth metal ions, quaternary ammonium ions, trivalent metal ions, 25 and organic cations, and wherein R is selected from -H or Ci-C 4 alkyl or a combination of these -4A compounds; (b) 0.01 to 50% by weight of the total composition of surfactant material, wherein the surfactant comprises anionic and nonionic surfactant in a 5 ratio between 20:1 and 1:10; and wherein the composition further comprises a polymer, wherein the polymer/malonic acid ratio (by weight) should be in the range of 1:1 to 20:1. 10 The expressions "soil" and "stain" as used herein generally comprise all kinds of soils and stains generally encountered in the household, either of organic or inorganic origin, whether visible or invisible to the naked eye, including soiling solid debris and/or with bacteria or other 15 pathogens. Specifically the method and compositions according to the invention may be used to treat fatty or greasy soil and stains, more specifically those caused by natural fat or oil. 20 Whilst not being bound by any particular theory or explanation, we believe that malonic acid exerts its effect by depositing on the surface and exerting an influence on soil or stains subsequently depositing on the surface such that such soil or stains are prevented from getting strongly 25 attached to that surface.
WO 2006/108475 PCT/EP2006/002174 5 Therefore in a preferred embodiment of the invention a compound according to formula 1 (hereinafter briefly referred to as "malonic acid") is applied to the surface as 5 a solution, preferably an aqueous solution, which is thereafter left to dry on the surface. Step (c) of the method is advantageously effected using a hard surface cleaning composition comprising malonic acid 10 again so that soil or stain is removed and new malonic acid is applied, effectively constituting step (a) of a subsequent process according to the first aspect of the invention. Step (c) is optionally followed by a rinsing step, preferably with water. 15 Malonic acid proper may be derived from sugar beet and can therefore be classified as a natural material, something that is increasingly important to present day consumers. 20 As used herein the term "malonic acid" is meant to include malonic acid derivatives and salts or mixtures of these compounds as defined above by formula 1. Preferably R is selected from -H or -CH 3 or -CH 2
CH
3 . 25 The present invention may also deliver other benefits such as improved surface feel (e.g. smoothness) during and/or after cleaning, olfactory benefits (e.g. reduction in rancid odour) before cleaning, less surface corrosion and less noise during cleaning. Further aspects of the present 30 invention comprise use of malonic acid or compositions containing malonic acid, for obtaining one or more of these other benefits in a hard surface cleaning operation and/or WO 2006/108475 PCT/EP2006/002174 6 use of malonic acid in the manufacture of products for delivering one or more such other benefits. Furthermore, malonic acid does not discolour, which is a particular advantage for a cleaning method according to the invention. 5 Methods, uses, compositions and articles according to the present invention are useful for treating any household surface such as found in kitchens and bathrooms, including cooker tops, extractor fans, tiles, floors, baths, toilets, 10 wash basins, showers, dishwashers, taps, sinks, work surfaces. These surfaces may, for example, be made of plastics, glass, enamel, ceramic, wood (painted, lacquered or otherwise) or metal (eg. stainless steel or chrome). 15 Form of utilisation Malonic acid is preferably applied to the surface in the form of a composition containing malonic acid or by means of a wipe impregnated with malonic acid or with a composition containing malonic acid. 20 Hard Surface Treatment Compositions Malonic acid can be employed according to the present invention in any suitable composition. 25 The composition must be suitable for depositing malonic acid material onto a hard surface. Malonic acid may be present in the composition in any suitable form, for example in the form of a solution or dispersion. Except where expressed or implied to the contrary, the component 30 may also be in solid form, to be wetted upon use. However, in preferred embodiments they are liquids. The term "liquid" includes solutions, dispersions, emulsions, gels, WO 2006/108475 PCT/EP2006/002174 7 pastes and the like. In liquid form, they preferably have a pH above 6. Suitable liquid compositions include solutions, dispersions 5 or emulsions in a liquid carrier, which may be an organic solvent or water or a combination thereof. Preferably the solvent is predominantly (i.e. 50% or more) water. The compositions may be used only to deposit malonic acid, or they may have additional functions such as cleaning. The 10 total malonic acid compound of any such composition, is preferably at least 0.01%, more preferably at least 0.1%, and not more than 10%, preferably not more than 5%, more preferably not more than 2% of that composition and suitably not more than 1% of that composition. 15 The composition may be applied by any suitable means in diluted or concentrated form. For example, it can be poured or sprayed onto the surface from a container or from an aerosol can or from a spray gun applicator. Alternatively 20 it may be applied using a cloth, wipe or other implement which has been wetted with the composition. Compositions for use in the present invention may include ingredients well known for use in hard surface cleaning 25 compositions. The hard surface cleaning compositions of the invention comprise at least one surfactant and optional other hard surface cleaning components. 30 It is especially preferred that the composition is a "liquid" having a viscosity of at least 100 mPa's as WO 2006/108475 PCT/EP2006/002174 8 measured at a shear rate of 21s 1at room temperature, but preferably no more than 5,000 mPa-s. This viscous liquid composition may be in the form of a viscous liquid per se, or a gel, foam, mousse or paste. The viscosity may be due 5 to one or more other components in the system, for example an "external polymeric thickener", which may be a synthetic polymer, e.g. of the polycarboxylate type such as Carbopol T M , or a natural polysaccharide gum such as xanthan gum or guar gum. Alternatively, an "internal structuring" 10 system may be used, employing one or more surfactants and optionally electrolyte, to create an ordered or liquid crystalline phase within the composition. These various techniques for increasing viscosity are all very well known to those skilled in the art. 15 Foams and mousses are normally supplied from a dispenser which gassifies or aerates the product dispensed therefrom. pH 20 In the liquid hard surface treatment compositions according to the invention the pH of the composition is preferably above 6, more preferably at least 6.5, and not more than 14, preferably not more than 13, more preferably not more than 12. In alkaline compositions, the pH is preferably at 25 least 7. The pH of the solution may be adjusted with organic or inorganic acids or bases. Preferred inorganic bases are preferably alkali or alkaline earth hydroxides, ammonia, 30 carbonates or bicarbonates. The alkali metal preferably being Sodium (Na*) or Potassium (K*) or the alkaline earth metal preferably being Calcium (Ca 2 +) or Magnesium (Mg 2
+).
WO 2006/108475 PCT/EP2006/002174 9 The organic bases are preferably amine oxides. Inorganic acids may include hydrochloric acid, sulphuric acid or phosphoric acid, and organic acids may include acetic acid, citric acid or formic acid as well as dicarboxilic acid 5 mixtures such as Radimix (trade mark, Radici Group) and Sokalan DCS (trade mark, BASF). Surfactants The compositions according to, or for use in, the invention 10 comprise surfactants (detergent actives) which are generally chosen from both anionic and nonionic detergent actives. The composition may further comprise cationic, amphoteric and zwitterionic surfactants. In surfactant-containing compositions of the present invention, the total amount of 15 surfactant to be employed will generally be from 0.01 to 50%. Preferably, the amount is at least 0.1%, more preferably at least 0.5%, still more preferably at least 1%. The maximum amount is usually 30% or less, preferably not more than 20%, or even at or below 10%. 20 Suitable synthetic (non-soap) anionic surfactants are water soluble salts of organic sulphuric acid mono-esters and sulphonic acids which have in the molecular structure a branched or straight chain alkyl group containing from 6 to 25 22 carbon atoms in the alkyl part. Examples of such anionic surfactants are water soluble salts of: - (primary) long chain (e.g. 6-22 C-atom) alcohol 30 sulphates (hereinafter referred to as PAS), especially those obtained by sulphating the fatty alcohols WO 2006/108475 PCT/EP2006/002174 10 produced by reducing the glycerides of tallow or coconut oil; - alkyl benzene sulphonates, such as those in which the alkyl group contains from 6 to 20 carbon atoms; 5 - secondary alkanesulphonates; and mixtures thereof. Also suitable are the salts of: - alkylglyceryl ether sulphates, especially of the 10 ethers of fatty alcohols derived from tallow and coconut oil; - fatty acid monoglyceride sulphates; - sulphates of ethoxylated aliphatic alcohols containing 1-12 ethyleneoxy groups; 15 - alkylphenol ethylenoxy-ether sulphates with from 1 to 8 ethyleneoxy units per molecule and in which the alkyl groups contain from 4 to 14 carbon atoms; - the reaction product of fatty acids esterified with isethionic acid and neutralised with alkali, 20 and mixtures thereof. The preferred water-soluble synthetic anionic surfactants are the alkali metal (such as sodium and potassium) and alkaline earth metal (such as calcium and magnesium) salts 25 of alkyl-benzenesulphonates and mixtures with olefinsulphonates and alkyl sulphates, and the fatty acid mono-glyceride sulphates. The most preferred anionic surfactants are alkyl-aromatic 30 sulphonates such as alkylbenzenesulphonates containing from 6 to 20 carbon atoms in the alkyl group in a straight or branched chain, particular examples of which are sodium WO 2006/108475 PCT/EP2006/002174 11 salts of alkylbenzenesulphonates or of alkyl-toluene-, -xylene- or -phenolsulphonates, alkylnaphthalene sulphonates, ammonium diamylnaphthalene-sulphonate, and sodium dinonyl-naphthalene- sulphonate. 5 If synthetic anionic surfactant is to be employed the amount present in the compositions of the invention will generally be at least 0.1%, preferably at least 0.5%, more preferably at least 1.0%, but not more than 20%, preferably at most 10 10%, more preferably at most 8%. A suitable class of nonionic surfactants can be broadly described as compounds produced by the condensation of simple alkylene oxides, which are hydrophilic in nature, 15 with an aliphatic or alkyl-aromatic hydrophobic compound having a reactive hydrogen atom. The length of the hydrophilic or polyoxyalkylene chain which is attached to any particular hydrophobic group can be readily adjusted to yield a compound having the desired balance between 20 hydrophilic and hydrophobic elements. This enables the choice of nonionic surfactants with the right HLB. Particular examples include: - the condensation products of aliphatic alcohols having from 8 to 22 carbon atoms in either straight or 25 branched chain configuration with ethylene oxide, such as a coconut alcohol/ethylene oxide condensates having from 2 to 15 moles of ethylene oxide per mole of coconut alcohol; - condensates of alkylphenols having C6-C15 alkyl groups 30 with 5 to 25 moles of ethylene oxide per mole of alkylphenol; WO 2006/108475 PCT/EP2006/002174 12 - condensates of the reaction product of ethylene diamine and propylene oxide with ethylene oxide, the condensates containing from 40 to 80% of ethyleneoxy groups by weight and having a molecular weight of from 5 5,000 to 11,000. Other classes of nonionic surfactants are: - alkyl polyglycosides, which are condensation products of long chain aliphatic alcohols and saccharides; 10 - tertiary amine oxides of structure RRRNO, where one R is an alkyl group of 8 to 20 carbon atoms and the other R's are each alkyl or hydroxyalkyl groups of 1 to 3 carbon atoms, e.g. dimethyldodecylamine oxide; - tertiary phosphine oxides of structure RRRPO, where 15 one R is an alkyl group of 8 to 20 carbon atoms and the other R's are each alkyl or hydroxyalkyl groups of 1 to 3 carbon atoms, for instance dimethyl-dodecylphosphine oxide; - dialkyl sulphoxides of structure RRSO where one R is 20 an alkyl group of from 10 to 18 carbon atoms and the other is methyl or ethyl, for instance methyl tetradecyl sulphoxide; - fatty acid alkylolamides, such as the ethanol amides; - alkylene oxide condensates of fatty acid 25 alkylolamides; - alkyl mercaptans. The amount of nonionic surfactant to be employed in the cleaning composition of the invention will preferably be at 30 least 0.1%, more preferably at least 0.5%, most preferably at least 1%. The amount is suitably at most 15%, preferably not more than 10% and most preferably not more than 7%.
WO 2006/108475 PCT/EP2006/002174 13 The compositions may contain amounts of both anionic and nonionic surfactants which are chosen, bearing in mind the level of electrolyte if present, so as to provide a 5 structured liquid detergent composition, i.e. one which is 'self-thickened'. Thus, in spite of the presence of organic solvent, thickened liquid cleaning compositions can be made without the need to employ any additional thickening agent and which nevertheless have a long shelf life over a wide 10 temperature range. The weight ratio of anionic surfactant to nonionic surfactant may vary, taking the above considerations in mind, and will depend on their nature, but is in the range 15 of from 20:1 to 1:10, preferably from 15:1 to 1:5, and ideally above 10:1 to 1:2. According to an embodiment illustrating any aspect of the invention, the compositions may comprise from 0.1.% to 7% by 20 weight of malonic acid, from 0 to 20%, preferably from 0.5% to 10% by weight of water-soluble, synthetic anionic sulphate or sulphonate surfactant salt containing an alkyl radical having from 8 to 22 carbon atoms in the molecule, and from 0.5 to 7% by weight of ethoxylated nonionic 25 surfactant derived from the condensation of an aliphatic alcohol having from 8 to 22 carbon atoms in the molecule with ethylene oxide, such that the condensate has from 2 to 15 moles of ethylene oxide per mole of aliphatic alcohol, the balance being other optional ingredients and water. 30 WO 2006/108475 PCT/EP2006/002174 14 It is also possible optionally to include amphoteric, cationic or zwitterionic surfactants in the compositions according to the invention. 5 Suitable amphoteric surfactants are derivatives of aliphatic secondary and tertiary amines containing an alkyl group of 8 to 20 carbon atoms and an aliphatic group substituted by an anionic water-solubilising group, for instance sodium 3 dodecylamino-propionate, sodium 3-dodecylaminopropane 10 sulphonate and sodium N-2-hydroxy-dodecyl-N-methyltaurate. Examples of suitable cationic surfactants can be found among quaternary ammonium salts having one or two alkyl or aralkyl groups of from 8 to 20 carbon atoms and two or three small 15 aliphatic (e.g. methyl) groups, for instance cetyltrimethylammonium bromide. A specific group of surfactants are the tertiary amines obtained by condensation of ethylene and/or propylene oxide 20 with long chain aliphatic amines. The compounds behave like nonionic surfactants in alkaline medium and like cationic surfactants in acid medium. Examples of suitable zwitterionic surfactants can be found 25 among derivatives of aliphatic quaternary ammonium, sulphonium and phosphonium compounds having an aliphatic group of from 8 to 18 carbon atoms and an aliphatic group substituted by an anionic water-solubilising group, for instance betaine and betaine derivatives such as alkyl 30 betaine, in particular C 12
-C
1 6 alkyl betaine, 3- (N,N dimethyl-N-hexadecylammonium)-propane-1-sulphonate betaine, 3-(dodecylmethyl-sulphonium)-propane-1-sulphonate betaine, WO 2006/108475 PCT/EP2006/002174 15 3-(cetylmethyl-phosphonium)-propane-1-sulphonate betaine and N,N-dimethyl-N-dodecyl-glycine. Other well known betaines are the alkylamidopropyl betaines e.g. those wherein the alkylamido group is derived from coconut oil fatty acids. 5 Further examples of suitable surfactants are compounds commonly used as surface-active agents given in the well known textbooks: "Surface Active Agents" Vol.1, by Schwartz & Perry, Interscience 1949; "Surface Active 10 Agents" Vol.2 by Schwartz, Perry & Berch, Interscience 1958; the current edition of "McCutcheon's Emulsifiers and Detergents" published by Manufacturing Confectioners Company; "Tenside-Taschenbuch", H. Stache, 2nd Edn., Carl Hauser Verlag, 1981. 15 The compositions according to the present invention may include abrasives. However, these are generally not preferred as abrasives tend to damage or remove the thin layer of malonic acid being deposited on the surface. The 20 compositions may contain other ingredients which aid in their cleaning performance. For example, they may contain detergent builders such as nitrilotriacetates, polycarboxylates, citrates, dicarboxylic acids, water soluble phosphates (especially ortho-, pyro- or 25 polyphosphates or mixtures thereof), zeolites and mixtures thereof in an amount of up to 25%. Some of these builders can additionally function as abrasives if present in an amount in excess of their solubility in water. If present, the builder preferably will form at least 0.1% of the 30 composition.
WO 2006/108475 PCT/EP2006/002174 16 Metal ion sequestrants such as ethylenediaminetetraacetate or diethylenetriaminepentaacetate, amino-polyphosphonates (DEQUESTENm) and phosphates and a wide variety of poly functional organic acids and salts, can also optionally be 5 employed provided they are compatible with malonic acid. A further optional ingredient for compositions according to the invention is a suds regulating material, which can be employed in compositions which have a tendency to produce 10 excessive suds in use. Examples thereof are fatty acids or their salts (soap), isoparafins, silicone oils and combinations thereof. Soaps are salts of fatty acids and include alkali metal 15 soaps such as the sodium, potassium and ammonium salts of fatty acids containing from about 8 to about 24 carbon atoms, and preferably from about 10 to about 20 carbon atoms. Particularly useful are the sodium and potassium and mono-, di- and triethanolamine salts of the mixtures of 20 fatty acids derived from palm oil, coconut oil and ground nut oil. When employed, the amount of fatty acid or soap can form at least 0.005%, preferably 0.1% to 2% by weight of the composition. Commercially available fatty acid mixtures such as Prifac 7901 TM] have been found to be suitable for this 25 purpose. Where a hydrocarbon co-solvent is present at a sufficiently high level this may itself provide some or all of the required antifoaming activity. 30 Compositions according to the invention may also contain, in addition to the ingredients already mentioned, various other WO 2006/108475 PCT/EP2006/002174 1-7 optional ingredients such as colourants, whiteners, optical brighteners, soil suspending agents, detersive enzymes, compatible bleaching agents (particularly peroxide compounds and active chlorine releasing compounds), gel-control 5 agents, further freeze-thaw stabilisers, bactericides, preservatives (for example 1,2-benzisothiazolin-3-one), hydrotropes and perfumes. Polymers 10 The composition of the inventions may optionally comprise polymers, in particular polymers that aid the binding of Malonic acid to the surface and thus providing additional rinse resistance. Preferred polymers are nonionic and anionic polymers. 15 Polymer to malonic acid ratio For optimal benefits, the polymer/malonic acid ratio (by weight) should be in the range 1:1 to 20:1, preferably in the range 2:1 to 15:1, most preferably in the range 3:1 to 20 10:1. Preferred polymers are those polymers having an average molecular weight above 4,000 Dalton. More preferably the molecular weight is at least 10,000 D, even more preferably 25 above 100,000 D or even above 1,000,000 D. The polymers normally have a molecular weight below 5,000,000 Dalton, preferably below 4,000,000 D. Suitable polymers are either water-soluble or water 30 dispersible, preferably water-soluble.
WO 2006/108475 PCT/EP2006/002174 18 Non-ionic polymer The non-ionic polymer may be chosen from cellulose-based nonionic polymers such as celluloses, alkylcelluloses, hydroxyalkylcelluloses, cellulose ethers, cellulose esters 5 and cellulose amides, such as methylcellulose, ethylcellulose, hydroxymethylcellulose, hydroxypropylcellulose, hydroxypropylmethylcellulose. Other polysaccharide polymers, such as starches and modified starches, and dextrins, such as maltodextrin, are 10 also suitable. Furthermore, the polymer may be chosen from fully synthetic polymers such as polyvinyl alcohols, polyvinylpyrrolidones, polyalkylene glycols such as polyethylene glycol, 15 polyalkylene oxides, polyamides, polyacrylamides, polyvinylethers such as polymethylvinylether, polyvinyl acetates, and copolymers thereof. Polyacrylic acids, polymethacrylic acids and their 20 homologues, and other polycarboxylic acids may also be used in compositions where the polymers behave as nonionic polymers. Such compositions are typically acidic compositions with pH values below about 4. 25 Most preferably the non-ionic polymer is selected from polyvinyl pyrrolidone (PVP), polyvinyl alcohol (PVA) and combinations thereof. The compositions preferably comprise at least 0.1%, more 30 preferably at least 0.5% by weight non-ionic polymer and at most 20%, preferably at most 10%, more preferably at most 5%.
WO 2006/108475 PCT/EP2006/002174 19 The PVP includes substituted and unsubstituted vinyl pyrrolidone polymerization products Anionic polymer 5 Preferred anionic polymers are water soluble anionic polymers. Suitable polymers are mainly synthetic, but natural or nature-derived polymers may also be used. Suitable polymers include polyacrylic acids and polymethacrylic acids and their homologues, other 10 polycarboxylic acids, polyaminoacids or peptides, polyanhydrides, polystyrene sulphonic acids, polyvinylsulfonic acids, and their copolymers and their copolymers with nonionic monomers and polymers. Natural gums, such as xanthan, locust bean and carrageenans, and 15 cellulose derivatives, such as carboxymethylcellulose, may also be suitable. If anionic polymers are present, the compositions preferably comprise at least 0.1%, more preferably at least 20 0.5% by weight anionic polymer and at most 20%, preferably at most 10%, more preferably at most 5%. Liquid Dispensers 25 Liquid compositions may be stored in and dispensed by any suitable means, but spray applicators are particularly preferred. Pump dispensers (whether spray or non-spray pumps) and pouring applicators (bottles etc) are also possible. Thus, the present invention provides a container 30 for a liquid hard surface cleaner, the container comprising a reservoir containing malonic acid solution or a liquid composition having a pH above 6 and comprising malonic WO 2006/108475 PCT/EP2006/002174 20 acid, and spray dispenser for dispensing the composition in the form of a spray. The spray dispenser is preferably a trigger spray but may be any mechanical means for ejecting the liquid in spray or aerosol form. 5 Wipes Wipes can be impregnated with neat malonic acid or with a composition containing malonic acid. The material may be impregnated dry, or more preferably in wet form (i.e. as a 10 thin or a viscous liquid). Suitable wipes include woven or nonwoven cloths, natural or synthetic sponges or spongy sheets, "squeegee" materials and the like. The present invention provides a wipe impregnated with malonic acid or a composition containing malonic acid, such 15 as any composition as defined or described elsewhere in this specification. Examples In the examples all parts and percentages are by weight 20 unless otherwise indicated. As test surface, a 5 by 5 cm area of standard stainless steel tiles are used. The tiles are degreased prior to soiling using powdered calcite applied with a damp cloth. 25 Pretreatment is done by applying an evenly spread layer of 0.08 ml of the pretreatment composition to the target area of the tile. 30 The soil material used in the examples is Castor oil (ex John L. Seaton, Ref 9725). The castor oil is used as received.
WO 2006/108475 PCT/EP2006/002174 21 Castor oil is applied to the target area as an even film. The tiles are then baked in an oven at 100 0 C for one hour. The tile is then weighed to ensure that the target amount 5 of 0.04 +/- 0.004g) of oil is on the tile. The' cleaning is carried out using a Martindale (trade mark, SDL International) abrasion instrument. The tile to be cleaned is placed in the "holder" for the Martindale 10 machine, and submerged under 20g of cleaning fluid. A Ballerina cloth is fastened to the cleaning head of the Martindale machine, and this is rubbed across the surface of the tile using a pre-set pattern covering the whole tile. In the examples below the pattern is repeated three 15 times for each application. After the Martindale has cleaned the tiles for 3 cycles, the tiles are rinsed under running water to remove excess cleaning product. The tiles are then left to dry in air 20 The castor oil stain removal is measured by re-weighing the dried tiles and calculating the percentage castor oil removed as: castor oil applied - castor oil after cleaning castor oil removed = 100% castor oil applied 25 Example 1 and comparative example A. As cleaning solution the compositions of Table 1 are used. In example 1 tiles are first treated with "Composition 1", then a castor oil stain is applied according to the method 30 above and finally the tiles are cleaned with "Composition A".
WO 2006/108475 PCT/EP2006/002174 22 In comparative example A, tiles are first treated with "Composition A", then a castor oil stain is applied according to the method above and finally the tiles are 5 cleaned with "Composition A". Table 1: Compositions Composition 1 Composition A 4% Neodol 91,8 4% Neodol 91,8 0.5% Malonic acid Balance water Balance water pH=10, adjusted with NaOH pH=10, adjusted with NaOH 1) Neodol is a trademark of Shell Chemicals. 10 By first treating the tiles with a malonic acid comprising composition in example 1 and the same composition without malonic acid in comparative example A, thereafter applying the stain and finally cleaning both sets of tiles with a composition without malonic acid, the example gives a fair 15 comparison between stains on a surface treated with malonic acid and a surface that is not treated with malonic acid. Table 2: Results at pH=10 Example Castor oil removed ____ ____(%) 1 76.4 A 10.5 20 The results of this cleaning clearly show that the treatment of a surface with a composition comprising malonic acid prior to the stain deposition has a significant effect on the cleaning of the surface.
WO 2006/108475 PCT/EP2006/002174 23 Examples 2 and 3 and comparative example B. As cleaning solution the compositions of Table 3 are used. In example 2 tiles are first treated with "Composition 2", 5 then a castor oil stain is applied according to the method above and finally the tiles are cleaned with "Composition B". In example 3 tiles are first treated with "Composition 3", 10 then a castor oil stain is applied according to the method above and finally the tiles are cleaned with "Composition B". In comparative example B, tiles are first treated with 15 "Composition B", then a castor oil stain is applied according to the method above and finally the tiles are cleaned with "Composition B". Table 3: Compositions Composition 2 Composition 3 Composition B 4% Neodol 91,8 ' 4% Neodol 91,8 4% Neodol 91,8 0.5% Malonic acid 0.5% Ethylmalonic acid Balance water Balance water Balance water pH=4, adjusted pH=4, adjusted pH=4, adjusted with citric acid with citric acid with citric acid 20 1) Neodol is a trademark of Shell Chemicals. By first treating the tiles with a malonic acid (as defined herein) comprising composition in example 2 and 3 and the same composition without malonic acid in comparative 25 example B, thereafter applying the stain and finally WO 2006/108475 PCT/EP2006/002174 24 cleaning both sets of tiles with a composition without malonic acid, the example gives a fair comparison between stains on a surface treated with malonic acid and a surface that is not treated with malonic acid. 5 Table 4: Results at pH=4 Example Castor oil removed (%) 2 98.5% 3 55.3% B 15.3% The results of this cleaning clearly show that the treatment of a surface with a composition comprising 10 malonic acid prior to the stain deposition has a significant effect on the cleaning of the surface. Examples 4, 5 and 6. These examples show the effect of an intermediate rinse of 15 the pretreated tile, for compositions with and without polymer. Methods for preparing the tiles and pretreatment are as indicated above. Compositions used are shown in Table 4. 20 Table 4: Compositions Composition 4 Composition 5 Composition 6 Neodol 91,8 ' 4%w 4%w 4%w Malonic acid 0.5%w 0.5%w 0.5%w Glascol E15 ) 0.5%w 1.0%w 1) Neodol is a trademark of Shell Chemicals. 2) Glascol E15 is 2.5MD MW polyacrylic acid ex Ciba.
WO 2006/108475 PCT/EP2006/002174 25 The pH in all compositions is adjusted with citric acid to pH=4. And water is added up to 100%. In the examples clean, degreased tiles are first pretreated 5 with the one of the compositions of Table 4. The tiles are left to dry for 15 minutes and rinsed with 300 ml of water, poured gently from a beaker. In example 4, 5 and 6, compositions 4, 5 and 6 are used respectively. 10 After pretreating the tiles and rinsing them, Castor oil is applied and the tiles are cleaned according to the methods above. The results of the cleaning (i.e. the Castor oil removal) is given in Table 5 15 Table 5: Results Example % Castor oil removed 4 4.18% 5 12.85% 6 16.28% As can be seen, although the general cleaning of the surface pretreated with Malonic acid is not nearly as good as without rinsing, improved results are obtained by the 20 addition of a polymer.
-25A The reference in this specification to any prior publication (or information derived from it), or to any matter which is known, is not, and should not be taken as an acknowledgment or admission or any form of suggestion that that prior 5 publication (or information derived from it) or known matter forms part of the common general knowledge in the field of endeavour to which this specification relates. Throughout this specification and the claims which follow, 10 unless the context requires otherwise, the word "comprise", and variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated integer or step or group of integers or steps but not the exclusion of any other integer or step or group of integers or steps.
Claims (10)
1. A liquid hard surface cleaner composition comprising: (a) 0.01 to 10% by weight of malonic acid, malonic 5 acid derivatives and their salts is of the formula: R AO OA' o 0 wherein A and A' are independently selected from -H, alkali and alkaline earth metal ions, 10 quaternary ammonium ions, trivalent metal ions, and organic cations, and wherein R is selected from -H or Cl-C 4 alkyl or a combination of these compounds; (b) 0.01 to 50% by weight of the total composition of 15 surfactant material, wherein the surfactant comprises anionic and nonionic surfactant in a ratio between 20:1 and 1:10; and wherein the composition further comprises a polymer, wherein the polymer/malonic acid ratio (by weight) 20 should be in the range of 1:1 to 20:1.
2. A liquid hard surface cleaner composition according to claim 1 having a pH of above 6. 25 3. A liquid hard surface cleaner composition according to claim 1 or claim 2, wherein the nonionic surfactant is present in a concentration of less than 7% by weight. -27
4. A liquid hard surface cleaner composition according to claim 1(a), wherein R is -H, -CH 3 or -CH 2 CH 3 .
5. A liquid hard surface cleaner composition according to 5 claim 1(a) or claim 4, wherein A and A' are independently selected from -H, Na*, K*, Ca2+, NH 4 * or Mg 2 +
6. A method for removing soil or stains from a hard 10 surface, the method comprising the steps in sequence of: (a) treating the surface with the composition of any one of claims 1-5; (b) allowing the soil or stain to deposit; and 15 (c) cleaning the surface to remove the soil or stains.
7. A method according to claim 6 wherein the soil or stain is a fatty soil or stain. 20 8. A container for a liquid hard surface cleaner, the container comprising a reservoir containing the cleaning composition according to any one of claims 1 to 5, and a spray dispenser for dispensing said composition in the form of a spray. 25
9. A container according to claim 8, wherein the spray dispenser is a trigger spray.
10. A wipe impregnated with the liquid hard surface cleaner 30 of any one of claims 1 to 5. -28
11. A liquid hard surface cleaner composition substantially as hereinbefore described with reference to the examples. 5 12.. A method for removing soil or stains from a hard surface substantially as hereinbefore described with reference to the examples.
13. A container for a liquid hard surface cleaner 10 substantially as hereinbefore described with reference to the examples.
Applications Claiming Priority (3)
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EP05252305 | 2005-04-13 | ||
EP05252305.7 | 2005-04-13 | ||
PCT/EP2006/002174 WO2006108475A1 (en) | 2005-04-13 | 2006-03-09 | Liquid hard surface cleaning composition |
Publications (2)
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AU2006233523A1 AU2006233523A1 (en) | 2006-10-19 |
AU2006233523B2 true AU2006233523B2 (en) | 2010-06-03 |
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AU2006233523A Ceased AU2006233523B2 (en) | 2005-04-13 | 2006-03-09 | Liquid hard surface cleaning composition |
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EP (1) | EP1869152B1 (en) |
JP (1) | JP2008535981A (en) |
CN (1) | CN101160384B (en) |
AR (1) | AR053210A1 (en) |
AT (1) | ATE440937T1 (en) |
AU (1) | AU2006233523B2 (en) |
BR (1) | BRPI0607911A2 (en) |
CA (1) | CA2602377C (en) |
DE (1) | DE602006008761D1 (en) |
PL (1) | PL1869152T3 (en) |
RU (1) | RU2399655C2 (en) |
WO (1) | WO2006108475A1 (en) |
ZA (1) | ZA200708739B (en) |
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JP2007124578A (en) | 2005-10-31 | 2007-05-17 | Ntt Docomo Inc | Transmission/reception bandwidth setting method in wireless communication system defining multiple signal bandwidths, mobile terminal, and base station |
US7741265B2 (en) | 2007-08-14 | 2010-06-22 | S.C. Johnson & Son, Inc. | Hard surface cleaner with extended residual cleaning benefit |
WO2009121682A1 (en) * | 2008-04-04 | 2009-10-08 | Unilever Nv | Use of citrate as cleaning aid for hard surfaces |
US9062280B2 (en) | 2009-08-06 | 2015-06-23 | Arkema Inc. | Liquid cleaning composition |
EP2305785A1 (en) | 2009-10-02 | 2011-04-06 | Unilever N.V. | Use of a carboxylic or amino compound as cleaning aid for hard surfaces and method of cleaning such hard surfaces |
WO2012146464A1 (en) | 2011-04-25 | 2012-11-01 | Unilever Nv | Hard surface treatment composition |
CN103540430A (en) * | 2012-07-10 | 2014-01-29 | 3M创新有限公司 | Detergent for air conditioner radiator |
JP5916562B2 (en) * | 2012-08-22 | 2016-05-11 | 株式会社クレハ | Method for producing vinylidene fluoride polymer |
DE102014012380A1 (en) | 2014-08-25 | 2016-02-25 | Coin Consulting Ug (Haftungsbeschränkt) | Detergent cloth with washable substrate |
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DE4017667A1 (en) * | 1990-06-01 | 1991-12-05 | Henkel Kgaa | FLUORIDE-FREE CLEANING AGENT FOR ALUMINUM SURFACES |
WO1994016045A1 (en) * | 1993-01-18 | 1994-07-21 | Unilever N.V. | Machine dishwashing composition containing a corrosion inhibitor |
US6069123A (en) * | 1995-06-30 | 2000-05-30 | Procter & Gamble Company | Peroxygen bleach-containing prespotting compositions with polyamine stabilizers providing improved fabric/color safety |
Family Cites Families (4)
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US6277805B1 (en) * | 1993-11-22 | 2001-08-21 | The Procter & Gamble Co. | Alkaline liquid hard-surface cleaning composition containing a quaternary ammonium disinfectant and selected dicarboxylate sequestrants |
EP1059378A1 (en) * | 1999-06-08 | 2000-12-13 | The Procter & Gamble Company | Wet wipe with antifoaming agent |
EP1167510A1 (en) * | 2000-06-23 | 2002-01-02 | The Procter & Gamble Company | Flushable hard surface cleaning wet wipe |
GB2370042A (en) * | 2000-12-15 | 2002-06-19 | Reckitt Benckiser Inc | Hard surface cleaning compositions |
-
2006
- 2006-03-09 ZA ZA200708739A patent/ZA200708739B/en unknown
- 2006-03-09 WO PCT/EP2006/002174 patent/WO2006108475A1/en active Application Filing
- 2006-03-09 CN CN2006800119546A patent/CN101160384B/en not_active Expired - Fee Related
- 2006-03-09 JP JP2008505748A patent/JP2008535981A/en not_active Withdrawn
- 2006-03-09 AU AU2006233523A patent/AU2006233523B2/en not_active Ceased
- 2006-03-09 PL PL06707490T patent/PL1869152T3/en unknown
- 2006-03-09 RU RU2007141888/04A patent/RU2399655C2/en not_active IP Right Cessation
- 2006-03-09 DE DE602006008761T patent/DE602006008761D1/en active Active
- 2006-03-09 AT AT06707490T patent/ATE440937T1/en not_active IP Right Cessation
- 2006-03-09 CA CA2602377A patent/CA2602377C/en not_active Expired - Fee Related
- 2006-03-09 BR BRPI0607911-3A patent/BRPI0607911A2/en not_active IP Right Cessation
- 2006-03-09 EP EP06707490A patent/EP1869152B1/en not_active Not-in-force
- 2006-04-11 AR ARP060101424A patent/AR053210A1/en active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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DE4017667A1 (en) * | 1990-06-01 | 1991-12-05 | Henkel Kgaa | FLUORIDE-FREE CLEANING AGENT FOR ALUMINUM SURFACES |
WO1994016045A1 (en) * | 1993-01-18 | 1994-07-21 | Unilever N.V. | Machine dishwashing composition containing a corrosion inhibitor |
US6069123A (en) * | 1995-06-30 | 2000-05-30 | Procter & Gamble Company | Peroxygen bleach-containing prespotting compositions with polyamine stabilizers providing improved fabric/color safety |
Also Published As
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AU2006233523A1 (en) | 2006-10-19 |
ATE440937T1 (en) | 2009-09-15 |
CA2602377A1 (en) | 2006-10-19 |
AR053210A1 (en) | 2007-04-25 |
CA2602377C (en) | 2013-09-24 |
EP1869152B1 (en) | 2009-08-26 |
CN101160384A (en) | 2008-04-09 |
WO2006108475A1 (en) | 2006-10-19 |
PL1869152T3 (en) | 2010-01-29 |
RU2399655C2 (en) | 2010-09-20 |
RU2007141888A (en) | 2009-05-20 |
ZA200708739B (en) | 2009-08-26 |
JP2008535981A (en) | 2008-09-04 |
BRPI0607911A2 (en) | 2009-11-03 |
EP1869152A1 (en) | 2007-12-26 |
CN101160384B (en) | 2011-04-13 |
DE602006008761D1 (en) | 2009-10-08 |
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