WO2001000766A1 - Procede de lavage de vaisselle en machine et compositions a cet effet - Google Patents
Procede de lavage de vaisselle en machine et compositions a cet effet Download PDFInfo
- Publication number
- WO2001000766A1 WO2001000766A1 PCT/EP2000/004427 EP0004427W WO0100766A1 WO 2001000766 A1 WO2001000766 A1 WO 2001000766A1 EP 0004427 W EP0004427 W EP 0004427W WO 0100766 A1 WO0100766 A1 WO 0100766A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- acid
- builder
- composition
- salt
- water
- Prior art date
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 61
- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000008569 process Effects 0.000 title claims abstract description 18
- 238000004851 dishwashing Methods 0.000 title claims abstract description 17
- 150000003839 salts Chemical class 0.000 claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000005406 washing Methods 0.000 claims abstract description 11
- 239000012487 rinsing solution Substances 0.000 claims abstract description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 47
- 239000000463 material Substances 0.000 claims description 32
- 235000019832 sodium triphosphate Nutrition 0.000 claims description 27
- 239000002253 acid Substances 0.000 claims description 25
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid group Chemical group C(CC(O)(C(=O)O)CC(=O)O)(=O)O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 21
- 239000000377 silicon dioxide Substances 0.000 claims description 19
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 claims description 2
- 239000002245 particle Substances 0.000 description 28
- 150000001875 compounds Chemical class 0.000 description 19
- 229920005646 polycarboxylate Polymers 0.000 description 18
- -1 alkali metal salts Chemical class 0.000 description 14
- 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 12
- 239000007844 bleaching agent Substances 0.000 description 12
- 239000003795 chemical substances by application Substances 0.000 description 12
- 239000011734 sodium Substances 0.000 description 12
- 150000007513 acids Chemical class 0.000 description 11
- 229910052708 sodium Inorganic materials 0.000 description 11
- 239000004094 surface-active agent Substances 0.000 description 11
- 102000004190 Enzymes Human genes 0.000 description 10
- 108090000790 Enzymes Proteins 0.000 description 10
- 229940088598 enzyme Drugs 0.000 description 10
- 239000002904 solvent Substances 0.000 description 10
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 9
- 230000036571 hydration Effects 0.000 description 8
- 238000006703 hydration reaction Methods 0.000 description 8
- 239000002736 nonionic surfactant Substances 0.000 description 8
- 229910052700 potassium Inorganic materials 0.000 description 8
- 239000011591 potassium Substances 0.000 description 8
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 7
- 229910052910 alkali metal silicate Inorganic materials 0.000 description 7
- 150000007942 carboxylates Chemical class 0.000 description 7
- 229910052905 tridymite Inorganic materials 0.000 description 7
- UNXRWKVEANCORM-UHFFFAOYSA-I triphosphate(5-) Chemical compound [O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O UNXRWKVEANCORM-UHFFFAOYSA-I 0.000 description 7
- 102000035195 Peptidases Human genes 0.000 description 5
- 108091005804 Peptidases Proteins 0.000 description 5
- 229910052783 alkali metal Inorganic materials 0.000 description 5
- 239000003945 anionic surfactant Substances 0.000 description 5
- 125000004432 carbon atom Chemical group C* 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 5
- 229920001577 copolymer Polymers 0.000 description 5
- 238000005187 foaming Methods 0.000 description 5
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Chemical compound OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 description 4
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 4
- 229910000272 alkali metal oxide Inorganic materials 0.000 description 4
- 150000001340 alkali metals Chemical class 0.000 description 4
- 230000003625 amylolytic effect Effects 0.000 description 4
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical class OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 4
- XQRLCLUYWUNEEH-UHFFFAOYSA-L diphosphonate(2-) Chemical compound [O-]P(=O)OP([O-])=O XQRLCLUYWUNEEH-UHFFFAOYSA-L 0.000 description 4
- ROBFUDYVXSDBQM-UHFFFAOYSA-N hydroxymalonic acid Chemical compound OC(=O)C(O)C(O)=O ROBFUDYVXSDBQM-UHFFFAOYSA-N 0.000 description 4
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 4
- YDSWCNNOKPMOTP-UHFFFAOYSA-N mellitic acid Chemical class OC(=O)C1=C(C(O)=O)C(C(O)=O)=C(C(O)=O)C(C(O)=O)=C1C(O)=O YDSWCNNOKPMOTP-UHFFFAOYSA-N 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 4
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical class OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 description 3
- 125000000217 alkyl group Chemical group 0.000 description 3
- 238000004061 bleaching Methods 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 150000001860 citric acid derivatives Chemical class 0.000 description 3
- 238000009472 formulation Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 125000000623 heterocyclic group Chemical group 0.000 description 3
- 150000004965 peroxy acids Chemical class 0.000 description 3
- 239000002243 precursor Substances 0.000 description 3
- 150000004760 silicates Chemical class 0.000 description 3
- UIIMBOGNXHQVGW-UHFFFAOYSA-M sodium bicarbonate Substances [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 3
- 238000001694 spray drying Methods 0.000 description 3
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 3
- OVSKIKFHRZPJSS-UHFFFAOYSA-N 2,4-D Chemical compound OC(=O)COC1=CC=C(Cl)C=C1Cl OVSKIKFHRZPJSS-UHFFFAOYSA-N 0.000 description 2
- CFPOJWPDQWJEMO-UHFFFAOYSA-N 2-(1,2-dicarboxyethoxy)butanedioic acid Chemical class OC(=O)CC(C(O)=O)OC(C(O)=O)CC(O)=O CFPOJWPDQWJEMO-UHFFFAOYSA-N 0.000 description 2
- OAYXUHPQHDHDDZ-UHFFFAOYSA-N 2-(2-butoxyethoxy)ethanol Chemical compound CCCCOCCOCCO OAYXUHPQHDHDDZ-UHFFFAOYSA-N 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- ZNQVEEAIQZEUHB-UHFFFAOYSA-N 2-ethoxyethanol Chemical compound CCOCCO ZNQVEEAIQZEUHB-UHFFFAOYSA-N 0.000 description 2
- 102000013142 Amylases Human genes 0.000 description 2
- 108010065511 Amylases Proteins 0.000 description 2
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 2
- 239000004604 Blowing Agent Substances 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical class CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical group OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 2
- DHMQDGOQFOQNFH-UHFFFAOYSA-N Glycine Chemical group NCC(O)=O DHMQDGOQFOQNFH-UHFFFAOYSA-N 0.000 description 2
- 239000004367 Lipase Substances 0.000 description 2
- 102000004882 Lipase Human genes 0.000 description 2
- 108090001060 Lipase Proteins 0.000 description 2
- 239000004115 Sodium Silicate Substances 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 125000002723 alicyclic group Chemical group 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- 125000003545 alkoxy group Chemical group 0.000 description 2
- 230000004075 alteration Effects 0.000 description 2
- 235000019418 amylase Nutrition 0.000 description 2
- 229940025131 amylases Drugs 0.000 description 2
- 125000000129 anionic group Chemical group 0.000 description 2
- 239000002518 antifoaming agent Substances 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 125000002091 cationic group Chemical group 0.000 description 2
- 239000003093 cationic surfactant Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- XXJWXESWEXIICW-UHFFFAOYSA-N diethylene glycol monoethyl ether Chemical compound CCOCCOCCO XXJWXESWEXIICW-UHFFFAOYSA-N 0.000 description 2
- WJJMNDUMQPNECX-UHFFFAOYSA-N dipicolinic acid Chemical class OC(=O)C1=CC=CC(C(O)=O)=N1 WJJMNDUMQPNECX-UHFFFAOYSA-N 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 239000000499 gel Substances 0.000 description 2
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 2
- 229920001519 homopolymer Polymers 0.000 description 2
- 239000003752 hydrotrope Substances 0.000 description 2
- JGJLWPGRMCADHB-UHFFFAOYSA-N hypobromite Chemical compound Br[O-] JGJLWPGRMCADHB-UHFFFAOYSA-N 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 239000002563 ionic surfactant Substances 0.000 description 2
- 239000004310 lactic acid Substances 0.000 description 2
- 235000014655 lactic acid Nutrition 0.000 description 2
- 235000019421 lipase Nutrition 0.000 description 2
- 229910003002 lithium salt Inorganic materials 0.000 description 2
- 159000000002 lithium salts Chemical class 0.000 description 2
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 2
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- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 235000002949 phytic acid Nutrition 0.000 description 2
- CYIDZMCFTVVTJO-UHFFFAOYSA-N pyromellitic acid Chemical compound OC(=O)C1=CC(C(O)=O)=C(C(O)=O)C=C1C(O)=O CYIDZMCFTVVTJO-UHFFFAOYSA-N 0.000 description 2
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 2
- 235000017557 sodium bicarbonate Nutrition 0.000 description 2
- QSKQNALVHFTOQX-UHFFFAOYSA-M sodium nonanoyloxybenzenesulfonate Chemical compound [Na+].CCCCCCCCC(=O)OC1=CC=CC=C1S([O-])(=O)=O QSKQNALVHFTOQX-UHFFFAOYSA-M 0.000 description 2
- 229910052911 sodium silicate Inorganic materials 0.000 description 2
- 235000010265 sodium sulphite Nutrition 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 150000005846 sugar alcohols Polymers 0.000 description 2
- 238000005494 tarnishing Methods 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N tetrahydrofuran Substances C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 239000002888 zwitterionic surfactant Substances 0.000 description 2
- CIOXZGOUEYHNBF-UHFFFAOYSA-N (carboxymethoxy)succinic acid Chemical class OC(=O)COC(C(O)=O)CC(O)=O CIOXZGOUEYHNBF-UHFFFAOYSA-N 0.000 description 1
- KEQGZUUPPQEDPF-UHFFFAOYSA-N 1,3-dichloro-5,5-dimethylimidazolidine-2,4-dione Chemical compound CC1(C)N(Cl)C(=O)N(Cl)C1=O KEQGZUUPPQEDPF-UHFFFAOYSA-N 0.000 description 1
- ITWBWJFEJCHKSN-UHFFFAOYSA-N 1,4,7-triazonane Chemical compound C1CNCCNCCN1 ITWBWJFEJCHKSN-UHFFFAOYSA-N 0.000 description 1
- CUVLMZNMSPJDON-UHFFFAOYSA-N 1-(1-butoxypropan-2-yloxy)propan-2-ol Chemical compound CCCCOCC(C)OCC(C)O CUVLMZNMSPJDON-UHFFFAOYSA-N 0.000 description 1
- ZNQOETZUGRUONW-UHFFFAOYSA-N 1-(2-butoxyethoxy)ethanol Chemical compound CCCCOCCOC(C)O ZNQOETZUGRUONW-UHFFFAOYSA-N 0.000 description 1
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- UURYKQHCLJWXEU-UHFFFAOYSA-N 2-(2-hydroxypropanoyloxy)butanedioic acid Chemical class CC(O)C(=O)OC(C(O)=O)CC(O)=O UURYKQHCLJWXEU-UHFFFAOYSA-N 0.000 description 1
- RWLALWYNXFYRGW-UHFFFAOYSA-N 2-Ethyl-1,3-hexanediol Chemical compound CCCC(O)C(CC)CO RWLALWYNXFYRGW-UHFFFAOYSA-N 0.000 description 1
- CQWXKASOCUAEOW-UHFFFAOYSA-N 2-[2-(carboxymethoxy)ethoxy]acetic acid Chemical compound OC(=O)COCCOCC(O)=O CQWXKASOCUAEOW-UHFFFAOYSA-N 0.000 description 1
- 125000000954 2-hydroxyethyl group Chemical group [H]C([*])([H])C([H])([H])O[H] 0.000 description 1
- TYKPJLVEPXWTFW-UHFFFAOYSA-N 3,7,9-trichloro-1-isocyanopurine-2,6,8-trione Chemical compound ClN1C(=O)N([N+]#[C-])C(=O)C2=C1N(Cl)C(=O)N2Cl TYKPJLVEPXWTFW-UHFFFAOYSA-N 0.000 description 1
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- PQUCIEFHOVEZAU-UHFFFAOYSA-N Diammonium sulfite Chemical compound [NH4+].[NH4+].[O-]S([O-])=O PQUCIEFHOVEZAU-UHFFFAOYSA-N 0.000 description 1
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- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 description 1
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- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 1
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- 238000002441 X-ray diffraction Methods 0.000 description 1
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- XRZCZQUCDBWELQ-UHFFFAOYSA-L [Li+].[Li+].[O-]S(=O)S([O-])=O Chemical compound [Li+].[Li+].[O-]S(=O)S([O-])=O XRZCZQUCDBWELQ-UHFFFAOYSA-L 0.000 description 1
- 125000002015 acyclic group Chemical group 0.000 description 1
- 239000001361 adipic acid Substances 0.000 description 1
- 235000011037 adipic acid Nutrition 0.000 description 1
- 239000004964 aerogel Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 125000003342 alkenyl group Chemical group 0.000 description 1
- 125000002877 alkyl aryl group Chemical group 0.000 description 1
- 125000003368 amide group Chemical group 0.000 description 1
- 239000001099 ammonium carbonate Substances 0.000 description 1
- 235000012501 ammonium carbonate Nutrition 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 235000010323 ascorbic acid Nutrition 0.000 description 1
- 229960005070 ascorbic acid Drugs 0.000 description 1
- 239000011668 ascorbic acid Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- IHRIVUSMZMVANI-UHFFFAOYSA-N azane;2-methylbenzenesulfonic acid Chemical compound [NH4+].CC1=CC=CC=C1S([O-])(=O)=O IHRIVUSMZMVANI-UHFFFAOYSA-N 0.000 description 1
- LUAVFCBYZUMYCE-UHFFFAOYSA-N azanium;2-propan-2-ylbenzenesulfonate Chemical compound [NH4+].CC(C)C1=CC=CC=C1S([O-])(=O)=O LUAVFCBYZUMYCE-UHFFFAOYSA-N 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 1
- 239000012964 benzotriazole Substances 0.000 description 1
- 229910021538 borax Inorganic materials 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 150000001642 boronic acid derivatives Chemical class 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 239000006172 buffering agent Substances 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical class O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 159000000007 calcium salts Chemical class 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000002738 chelating agent Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- SINKOGOPEQSHQD-UHFFFAOYSA-N cyclopentadienide Chemical compound C=1C=C[CH-]C=1 SINKOGOPEQSHQD-UHFFFAOYSA-N 0.000 description 1
- UNWDCFHEVIWFCW-UHFFFAOYSA-N decanediperoxoic acid Chemical compound OOC(=O)CCCCCCCCC(=O)OO UNWDCFHEVIWFCW-UHFFFAOYSA-N 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- CEJLBZWIKQJOAT-UHFFFAOYSA-N dichloroisocyanuric acid Chemical class ClN1C(=O)NC(=O)N(Cl)C1=O CEJLBZWIKQJOAT-UHFFFAOYSA-N 0.000 description 1
- 150000002009 diols Chemical class 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- BRDYCNFHFWUBCZ-UHFFFAOYSA-N dodecaneperoxoic acid Chemical compound CCCCCCCCCCCC(=O)OO BRDYCNFHFWUBCZ-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- XWENCHGJOCJZQO-UHFFFAOYSA-N ethane-1,1,2,2-tetracarboxylic acid Chemical class OC(=O)C(C(O)=O)C(C(O)=O)C(O)=O XWENCHGJOCJZQO-UHFFFAOYSA-N 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 150000002191 fatty alcohols Chemical class 0.000 description 1
- 239000001530 fumaric acid Substances 0.000 description 1
- 229910021485 fumed silica Inorganic materials 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000003966 growth inhibitor Substances 0.000 description 1
- 229940093915 gynecological organic acid Drugs 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- HKZVDXUEAWCPIQ-UHFFFAOYSA-N hexane-1,2,3,4,5,6-hexacarboxylic acid Chemical class OC(=O)CC(C(O)=O)C(C(O)=O)C(C(O)=O)C(C(O)=O)CC(O)=O HKZVDXUEAWCPIQ-UHFFFAOYSA-N 0.000 description 1
- 150000001469 hydantoins Chemical class 0.000 description 1
- 239000000017 hydrogel Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 239000000594 mannitol Substances 0.000 description 1
- 235000010355 mannitol Nutrition 0.000 description 1
- MBKDYNNUVRNNRF-UHFFFAOYSA-N medronic acid Chemical class OP(O)(=O)CP(O)(O)=O MBKDYNNUVRNNRF-UHFFFAOYSA-N 0.000 description 1
- HEBKCHPVOIAQTA-UHFFFAOYSA-N meso ribitol Natural products OCC(O)C(O)C(O)CO HEBKCHPVOIAQTA-UHFFFAOYSA-N 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 150000004682 monohydrates Chemical class 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 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
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 150000004967 organic peroxy acids Chemical class 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002304 perfume Substances 0.000 description 1
- QQVIHTHCMHWDBS-UHFFFAOYSA-N perisophthalic acid Natural products OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 1
- 125000000864 peroxy group Chemical group O(O*)* 0.000 description 1
- XCRBXWCUXJNEFX-UHFFFAOYSA-N peroxybenzoic acid Chemical compound OOC(=O)C1=CC=CC=C1 XCRBXWCUXJNEFX-UHFFFAOYSA-N 0.000 description 1
- WVDDGKGOMKODPV-ZQBYOMGUSA-N phenyl(114C)methanol Chemical compound O[14CH2]C1=CC=CC=C1 WVDDGKGOMKODPV-ZQBYOMGUSA-N 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 150000003021 phthalic acid derivatives Chemical class 0.000 description 1
- 125000000612 phthaloyl group Chemical group C(C=1C(C(=O)*)=CC=CC1)(=O)* 0.000 description 1
- 239000000467 phytic acid Substances 0.000 description 1
- 229940068041 phytic acid Drugs 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 239000001205 polyphosphate Substances 0.000 description 1
- 235000011176 polyphosphates Nutrition 0.000 description 1
- BITYAPCSNKJESK-UHFFFAOYSA-N potassiosodium Chemical compound [Na].[K] BITYAPCSNKJESK-UHFFFAOYSA-N 0.000 description 1
- 229910000028 potassium bicarbonate Inorganic materials 0.000 description 1
- 235000015497 potassium bicarbonate Nutrition 0.000 description 1
- 239000011736 potassium bicarbonate Substances 0.000 description 1
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 description 1
- RWPGFSMJFRPDDP-UHFFFAOYSA-L potassium metabisulfite Chemical compound [K+].[K+].[O-]S(=O)S([O-])(=O)=O RWPGFSMJFRPDDP-UHFFFAOYSA-L 0.000 description 1
- 239000004297 potassium metabisulphite Substances 0.000 description 1
- 235000010263 potassium metabisulphite Nutrition 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000012254 powdered material Substances 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- NJKRDXUWFBJCDI-UHFFFAOYSA-N propane-1,1,2,3-tetracarboxylic acid Chemical class OC(=O)CC(C(O)=O)C(C(O)=O)C(O)=O NJKRDXUWFBJCDI-UHFFFAOYSA-N 0.000 description 1
- NJEVMKZODGWUQT-UHFFFAOYSA-N propane-1,1,3,3-tetracarboxylic acid Chemical class OC(=O)C(C(O)=O)CC(C(O)=O)C(O)=O NJEVMKZODGWUQT-UHFFFAOYSA-N 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 235000019833 protease Nutrition 0.000 description 1
- 229940024999 proteolytic enzymes for treatment of wounds and ulcers Drugs 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 239000001509 sodium citrate Substances 0.000 description 1
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 1
- HRZFUMHJMZEROT-UHFFFAOYSA-L sodium disulfite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])(=O)=O HRZFUMHJMZEROT-UHFFFAOYSA-L 0.000 description 1
- 239000004289 sodium hydrogen sulphite Substances 0.000 description 1
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 description 1
- 239000004296 sodium metabisulphite Substances 0.000 description 1
- 235000010262 sodium metabisulphite Nutrition 0.000 description 1
- 235000019830 sodium polyphosphate Nutrition 0.000 description 1
- 239000004328 sodium tetraborate Substances 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- MIKSWWHQLZYKGU-UHFFFAOYSA-M sodium;2-benzoyloxybenzenesulfonate Chemical compound [Na+].[O-]S(=O)(=O)C1=CC=CC=C1OC(=O)C1=CC=CC=C1 MIKSWWHQLZYKGU-UHFFFAOYSA-M 0.000 description 1
- QUCDWLYKDRVKMI-UHFFFAOYSA-M sodium;3,4-dimethylbenzenesulfonate Chemical compound [Na+].CC1=CC=C(S([O-])(=O)=O)C=C1C QUCDWLYKDRVKMI-UHFFFAOYSA-M 0.000 description 1
- MWNQXXOSWHCCOZ-UHFFFAOYSA-L sodium;oxido carbonate Chemical compound [Na+].[O-]OC([O-])=O MWNQXXOSWHCCOZ-UHFFFAOYSA-L 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 235000010356 sorbitol Nutrition 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 150000003890 succinate salts Chemical class 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 150000004685 tetrahydrates Chemical class 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical class [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
- GPRLSGONYQIRFK-MNYXATJNSA-N triton Chemical compound [3H+] GPRLSGONYQIRFK-MNYXATJNSA-N 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 239000000811 xylitol Substances 0.000 description 1
- 235000010447 xylitol Nutrition 0.000 description 1
- HEBKCHPVOIAQTA-SCDXWVJYSA-N xylitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)CO HEBKCHPVOIAQTA-SCDXWVJYSA-N 0.000 description 1
- 229960002675 xylitol Drugs 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
- C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
- C11D17/0047—Detergents in the form of bars or tablets
- C11D17/0065—Solid detergents containing builders
- C11D17/0073—Tablets
- C11D17/0091—Dishwashing tablets
-
- 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
- C11D3/04—Water-soluble compounds
- C11D3/06—Phosphates, including polyphosphates
-
- 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
- C11D3/2086—Hydroxy carboxylic 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
- 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
Definitions
- the present invention is in the field of machine dishwashing. More specifically, the invention encompasses automatic dishwashing detergents and rinse aids and a process for using them.
- To wash articles in a commercially available dish washing machine entails using three product types. Salt is added to the salt compartment to soften the water, a dish-washing formulation is used to clean the articles and a rinse aid is used to ensure that the articles are rinsed with no streaks or smears .
- the salt in the machine does not have to be replaced every wash, however it is inconvenient for consumers replace the salt .
- the present invention relates to a process of washing dishes that obviates the need for salt in a machine dish-washing formulation. Description of the Invention
- the present invention provides a process for washing articles m a mechanical washing machine comprising the steps of: (I) treating the articles with a wash liquor comprising a dishwashing composition, when un-diluted said composition comprising 55 wt % or greater of an inorganic poly-valent builder (n) followed by treating the article with a rinsing solution comprising a rmse aid, the rmse aid when undiluted comprising at least 20 wt . % of a water soluble builder or salt thereof; (in) wherein no salt is added to the machine .
- the detergency builder salt for use with the present invention is a poly-valent inorganic builder.
- the builder is water-soluble.
- suitable, inorganic builder salts include the alkali metal, phosphates, polyphosphates, and tripolyphosphates. Specific examples of such salts include the sodium and potassium, tripolyphosphates, orthophosphates and hexametaphosphates .
- Sodium tripolyphosphate is particularly preferred as a builder.
- the level of inorganic builder is 55 wt. % or greater. Most preferably the level of builder is from 58 wt.% to 65 wt.%.
- Particularly suitable for use with the invention is sodium tripolyphosphate, which can be converted to the phase I form by heating to above the transition temperature, at which phase II anhydrous sodium polyphosphate is transformed into the phase I form.
- a process for the manufacture of particles containing a high proportion of the phase I form of sodium tripolyphosphate by spray drying below 420 °C is given in US-A-4536377. Suitable material is commercially available. Suppliers include Rhodia, Courbevoie, France and Albright & Wilson, Warley, West Midlands, UK.
- the sodium tripolyphosphate should be partially hydrated, but the phase I anhydrous form should also be present.
- the sodium tripolyphosphate in the particles may incorporate up to 5% (by weight of the sodium tripolyphosphate in these particles) of water of hydration.
- the extent of hydration is desirably from 1% to 4% or 5% by weight. This degree of hydration in general means that the sodium tripolyphosphate is partially hydrated.
- the sodium tripolyphosphate in these particles is preferably hydrated by a process, which leads to a homogeneous distribution of the water of hydration within the tripolyphosphate. This can be accomplished by exposing anhydrous sodium tripolyphosphate to steam or moist air.
- the particles preferably consist solely of sodium tripolyphosphate with a high content of the phase I form.
- the phase I content of the sodium tripolyphosphate being measured by X-ray diffraction, or IR.
- the particles preferably contain sodium tripolyphosphate in a porous form so as to have high surface area.
- a blowing agent that is a compound such as ammonium carbonate which decomposes to yield a gas during the course of the spray drying. This gives the dried material a porous structure, with higher surface area than hollow beads of tripolyphosphate obtained without blowing agent .
- the bulk density of the of sodium tripolyphosphate particles is preferably 0.75 Kg/M 3 or less, more preferably from 0.52 to 0.72 Kg/M 3 .
- the particles which contain or consist of sodium tripolyphosphate preferably have a small mean particle size, such as not over 300 ⁇ m, better not over 250 ⁇ m. Small particle size can if necessary be achieved by grinding.
- Rhodiaphos HPA 3.5 is a grade of sodium tripolyphosphate from Rhodia which has been found to be particularly suitable. It consists of porous particles of small particle size (mean size below 250 ⁇ m) with 70% phase I and prehydrated with 3.5% water of hydration. Preferably the said particles containing sodium tripolyphosphate with more than 50% of phase I material provide this phase I tripolyphosphate as at least 3% by weight of the tablet or region thereof . More preferably they provide sodium tripolyphosphate, including the phase I tripolyphosphate, in a quantity which is from 30% up to 40% or 60% by weight of the tablet or region thereof.
- the detergency builder system may additionally comprise a bicarbonate salt, preferably sodium or potassium bicarbonate most especially sodium bicarbonate.
- Bicarbonate salts are particularly preferred as builders as they also have a buffering capacity.
- the builder may further comprise a carboxylate or polycarboxylate builder containing from one to four carboxy groups, particularly selected from monomeric polycarboxylates or their acid forms, homo or copolymeric polycarboxylic acids or there salts in which the polycarboxylate comprises at least two carboxylic radicals selected from each other by not more than two carbon atoms .
- Preferred carboxylates include the polycarboxylate materials described in US-A-2 , 264 , 103 , including the water-soluble alkali metal salts of mellitic acid and citric acid, dipicolinic acid, oxydisuccinic acid and alkenyl succinates .
- polycarboxylate polymers and copolymers such as are described in US-A-3 , 308 , 067 are also be suitable for use with the invention.
- the preferred polycarboxylates are hydroxycarboxylates containing up to three carboxy groups per molecule, especially citric acid or its salt, particularly sodium citrate.
- detergency builders organic alkaline compounds such as water-soluble amino polyacetates, e.g. sodium and potassium ethylenediamine tetraacetates, nitrilotriacetates and N- (2-hydroxyethyl) nitrilodiacetates ; water-soluble salts of phytic acid, e.g. sodium and potassium phytates; water-soluble polyphosphonates , including sodium, potassium and lithium salts of ethane- 1- hydroxy-1 , 1-diphosphonic acid; sodium, potassium and lithium salts of methylenediphosphonic acid and the like.
- water-soluble amino polyacetates e.g. sodium and potassium ethylenediamine tetraacetates, nitrilotriacetates and N- (2-hydroxyethyl) nitrilodiacetates
- water-soluble salts of phytic acid e.g. sodium and potassium phytates
- water-soluble polyphosphonates including sodium, potassium and lithium salts of
- Suitable forms of silica include amorphous silica, such as precipitated silica, pyrogenic silica and silica gels, such as hydrogels, xerogels and aerogels, or the pure crystal forms quartz, tridymite or crystobalite, but the amorphous forms of silica are preferred.
- Suitable silicas may readily be obtained commercially. They are sold, for example under the Registered Trade Name Gasil 200 (ex Crosfield, UK) .
- the silica is in the product in such a form that it can dissolve when added to the wash liquor. Therefore, addition of silica by way of addition anti-foam particles of silica and silicone oil is not preferred.
- the particle size of the silica material of the present invention may be of importance, especially as it is believed that any silica material that remains undissolved during the washing process, may deposit on the glass at a later stage. Therefore, it is preferred that silica material are used that have a particle size (as determined with a Malvern Laser, i.e. "aggregated" particles size) of at most 40 ⁇ m, more preferably at most 30 ⁇ m, most preferably at most 20 ⁇ m provides better results in the wash.
- the particle size of the silica material is at least l ⁇ m, more preferably at least 2 ⁇ m, most preferably at least 5 ⁇ m.
- the primarily particle size of the silica is in general less than about 30nm, in particular less than about 25nm.
- elementary particles sizes are less than 20nm or even lOnm. There is no critical lower limit of the elementary particle size; the lower limit is governed by other factors such as the manner of manufacture, etc. In general commercial available silicas have elementary particle sizes of 1 nm or more.
- the silica material is present in the wash liquor at a level of at least 2.5xl0 ⁇ 4 %, more preferably at least 12.5xl0 "4 %, most preferably at least 2.5xl0 "3 % by weight of the wash liquor and preferably at most lxl0 _1 %, more preferably at most 8xl0 "2 %, most preferably at most 5xl0 "2 % by weight of the wash liquor.
- the level of dissolved silica material in the wash liquor is at least 80-ppm, more preferably at least 100 ppm, most preferably at least 120 ppm and preferably at most 1,000 ppm.
- the lower level of dissolved silica material depends on the pH value, i.e. thus at pH 6.5, the level is preferably at least 100 ppm; at pH 7.0 preferably at least 110 ppm; at pH 7.5 preferably at least 120 ppm; at pH 9.5 preferably at least 200 ppm; at pH 10 preferably at least 300 ppm; at pH 10.5 preferably at least 400ppm.
- the silica material is present in the cleaning composition at a level of at least 0.1%, more preferably at least 0.5%, most preferably at least 1% by weight of the cleaning composition and preferably at most 10%, more preferably at most 8%, most preferably at most 5% by weight of the cleaning composition.
- the composition optionally comprises alkali metal silicates.
- the alkali metal may provide pH adjusting capability and protection against corrosion of metals and against attack on dishware, including fine china and glassware benefits.
- the Si0 2 level should be from 1% to 25%, preferably from 2% to 20%, more preferably from 3% to 10%, based on the weight of the ADD.
- the alkali metal silicate is hydrous, having from 15% to 25% water, more preferably, from 17% to 20%.
- the highly alkali metasilicates can in general be employed, although the less alkaline hydrous alkali metal silicates having a Si0 2 :M 2 0 ratio of from 2.0 to 2.4 are, as noted, greatly preferred.
- Anhydrous forms of the alkali metal silicates with a Si0 2 :M 2 0 ratio of 2.0 or more are also less preferred because they tend to be signi icantly less soluble than the hydrous alkali metal silicates having the same ratio .
- a particularly preferred alkali metal silicate is a granular hydrous sodium silicate having a Si0 2 :Na0 ratio of from 2.0 to 2.4 available from PQ Corporation, named Britesil H20 and Britesil H24. Most preferred is a granular hydrous sodium silicate having a Si0 2 :Na 2 0 ratio of 2.0. While typical forms, i.e. powder and granular, of hydrous silicate particles are suitable, preferred silicate particles having a mean particle size between 300 and 900 microns and less than 40% smaller than 150 microns and less than 5% larger than 1700 microns.
- compositions of the present invention having a pH of 9 or less preferably will be substantially free of alkali metal silicate.
- Enzymes may be present in the compositions of the invention.
- Examples of enzymes suitable for use in the cleaning compositions of this invention include lipases, peptidases, amylases (amylolytic enzymes) and others which degrade, alter or facilitate the degradation or alteration of biochemical soils and stains encountered in cleansing situations so as to remove more easily the soil or stain from the object being washed to make the soil or stain more removable in a subsequent cleansing step. Both degradation and alteration can improve soil removal.
- the enzymes most commonly used in machine dishwashing compositions are amylolytic enzymes.
- the composition of the invention also contains a proteolytic enzyme. Enzymes may be present in a weight percentage amount of from 0.2 to 5% by weight.
- amylolytic enzymes the final composition will have amylolytic activity of from 10 2 to 10 6 Maltose units/kg.
- proteolytic enzymes the final composition will have proteolytic enzyme activity of from 10 6 to 10 9 Glycine Units/kg .
- Bleach material may optionally and preferably be incorporated in composition for use in processes according to the present invention. These materials may be incorporated in solid form or in the form of encapsulates and less preferably in dissolved form.
- the bleach material may be a chlorine- or bromine-releasing agent or a peroxygen compound. Peroxygen based bleach materials are however preferred.
- peroxyacids usable in the present invention are solid and, preferably, substantially water- insoluble compounds.
- substantially water-insoluble is meant herein a water-solubility of less than about 1% by weight at ambient temperature.
- peroxyacids containing at least about 7 carbon atoms are sufficiently insoluble in water for use herein.
- Inorganic peroxygen-generating compounds are also typically used as the bleaching material of the present invention.
- these materials are salts of onopersulphate, perborate monohydrate, perborate tetrahydrate, and percarbonate .
- Monoperoxy acids useful herein include alkyl peroxy acids and aryl peroxyacids such as peroxybenzoic acid and ring-substituted peroxybenzoic acids (e.g. peroxy-alpha- naphthoic acid) ; aliphatic and substituted aliphatic monoperoxy acids (e.g. peroxylauric acid and peroxystearic acid) ,- and phthaloyl amido peroxy caproic acid (PAP) .
- alkyl peroxy acids and aryl peroxyacids such as peroxybenzoic acid and ring-substituted peroxybenzoic acids (e.g. peroxy-alpha- naphthoic acid) ; aliphatic and substituted aliphatic monoperoxy acids (e.g. peroxylauric acid and peroxystearic acid) ,- and phthaloyl amido peroxy caproic acid (PAP) .
- PAP phthaloyl amido peroxy ca
- diperoxy acids useful herein include alkyl diperoxy acids and aryldiperoxy acids, such as 1 , 12 -di-peroxy- dodecanedioic acid (DPDA) ; 1 , 9-diperoxyazelaic acid, diperoxybrassylic acid, diperoxysebacic acid and diperoxy- isophthalic acid; and 2-decyldiperoxybutane-l , 4-dioic acid.
- DPDA dodecanedioic acid
- Peroxyacid bleach precursors are well known in the art. As non-limiting examples can be named N,N, N' ,N' -tetraacetyl ethylene diamine (TAED) , sodium nonanoyloxybenzene sulphonate (SNOBS) , sodium benzoyloxybenzene sulphonate (SBOBS) and the cationic peroxyacid precursor (SPCC) as described in US-A-4 , 751 , 015.
- TAED sodium nonanoyloxybenzene sulphonate
- SBOBS sodium benzoyloxybenzene sulphonate
- SPCC cationic peroxyacid precursor
- a bleach catalyst such as the manganese complex, e.g. Mn-Me TACN, as described in EP-A-0458397 , or the sulphonimines of US-A-5 , 041 , 232 and US-A-5 , 047 , 163 , this may be presented in the form of a second encapsulate separately from the bleach capsule or granule. Cobalt catalysts can also be used.
- suitable reactive chlorine- or bromine-oxidizing materials are heterocyclic N-bromo and N-chloro imides such as trichloroisocyanuric, tribromoisocyanuric, dibromoisocyanuric and dichloroisocyanuric acids, and salts thereof with water-solubilizing cations such as potassium and sodium.
- Hydantoin compounds such as 1 , 3-dichloro-5 , 5- dimethyl -hydantoin are also quite suitable.
- Particulate, water-soluble anhydrous inorganic salts are likewise suitable for use herein such as lithium, sodium or calcium hypochlorite and hypobromite.
- Chlorinated trisodium phosphate and chloroisocyanurates are also suitable bleaching materials.
- Encapsulation techniques are known for both peroxygen and chlorine bleaches, e.g. as described in US-A-4 , 126 , 573 , US- A-4,327,151, US-A-3 , 983 , 254 , US-A-4 , 279 , 764 , US-A-3 , 036 , 013 and EP-A-0 , 436 , 971 and EP-A-0 , 510 , 761.
- encapsulation techniques are particularly useful when using halogen based bleaching systems .
- compositions of the invention may comprise from about 0.5% to about 3% avCl (available
- a suitable range are also from 0.5% to 3% avO (available Oxygen) .
- the amount of bleach material in the wash liquor is at least 12.5xl0 ⁇ 4 % and at most 0.03% avO by weight of the liquor.
- a surfactant system comprising a surfactant selected from nonionic, anionic, cationic, ampholytic and zwitterionic surfactants and mixtures thereof is preferably present in the composition.
- the surfactant is a low to non foaming nonionic surfactant, which includes any alkoxylated nonionic surface- active agent wherein the alkoxy moiety is selected from the group consisting of ethylene oxide, propylene oxide and mixtures thereof, is preferably used to improve the detergency without excessive foaming.
- an excessive proportion of nonionic surfactant should be avoided.
- an amount of 15% by weight or lower, preferably 10% by weight or lower, more preferably 7% by weight or lower, most preferably 5% by weight or lower and preferably 0.1% by weight or higher, more preferably 0.5% by weight or higher is quite sufficient, although higher level may be used.
- nonionic surfactants for use in the invention are the low- to non-foaming ethoxylated straight - chain alcohols of the Plurafac ® RA series, supplied by the Eurane Company; of the Lutensol ® LF series, supplied by the BasF Company and of the Triton ® DF series, supplied by the Rohm & Haas Company.
- anionic surfactant may be used but may require the additional presence of an antifoam to surpress foaming. If an anionic surfactant is used it is advantageously present at levels of 2 wt% or below.
- a water-soluble polymeric polycarboxylic compound is advantageously present in the dish wash composition.
- these compounds are homo- or co-polymers of polycarboxylic compounds, especially co-polymeric compounds in which the acid monomer comprises two or more carboxyl groups separated by not more than two carbon atoms. Salts of these materials can also be used.
- Particularly preferred polymeric polycarboxylates are co- polymers derived from monomers of acrylic acid and maleic acid.
- the average molecular weight of these polymers in the acid form preferably ranges from 4,000 to 70,000.
- Another type of polymeric polycarboxylic compounds suitable for use m the composition of the invention are homo- polymeric polycarboxylic acid compounds with acrylic acid as the monome ⁇ c unit.
- the average weight of such homo- polymers m the acid form preferably ranges from 1,000 to 100,000 particularly from 3,000 to 10,000.
- Acrylic sulphonated polymers as described m EP 851 022 (Unilever) are also suitable.
- this polymeric material is present at a level of at least 0.1%, more preferably at levels from 1 wt% to 7 wt% of the total composition.
- a chelatmg agent may be present the composition. If present it is preferable if the level of chelatmg agent is from 0.5 to 3 wt.% of the total composition.
- Preferred chelatmg agents include organic phosphonates, ammo carboxylates, polyfunctionally-substituted compounds, and mixtures thereof .
- Particularly preferred chelatmg agents are organic phosphonates such as ⁇ -hydroxy-2 phenyl ethyl diphosphonate, ethylene diphosphonate, hydroxy 1 , 1-hexyl ⁇ dene, v ylidene 1,1 diphosphonate, 1,2 dihydroxyethane 1,1 diphosphonate and hydroxy-ethylene 1,1 diphosphonate. Most preferred is hydroxy-ethylene 1,1 diphosphonate.
- Anti -tarnishing agents such as benzotriazole and those described in EP 723 577 (Unilever) may also be included.
- Optional ingredients are, for example, buffering agents, reducing agents, e.g., borates, alkali metal hydroxide and the well-known enzyme stabilisers such as the polyalcohols, e.g. glycerol and borax; anti-scaling agents; crystal -growth inhibitors, threshold agents; thickening agents; perfumes and dyestuffs and the like.
- buffering agents reducing agents, e.g., borates, alkali metal hydroxide and the well-known enzyme stabilisers such as the polyalcohols, e.g. glycerol and borax; anti-scaling agents; crystal -growth inhibitors, threshold agents; thickening agents; perfumes and dyestuffs and the like.
- reducing agents e.g., borates, alkali metal hydroxide
- the well-known enzyme stabilisers such as the polyalcohols, e.g. glycerol and borax
- anti-scaling agents
- Reducing agents may e.g. be used to prevent the appearance of an enzyme-deactivating concentration of oxidant bleach compound.
- Suitable agents include reducing sulphur-oxy acids and salts thereof.
- Most preferred for reasons of availability, low cost, and high performance are the alkali metal and ammonium salts of sulphuroxy acids including ammonium sulphite ((NH ) 2 S0 3 ), sodium sulphite (Na 2 S0 3 ) , sodium bisulphite (NaHS0 3 ) , sodium metabisulphite (NaS 2 0 3 ) , potassium metabisulphite (K 2 S 2 0 5 ) , lithium hydrosulphite (Li 2 S 2 0 4 ) , etc., sodium sulphite being particularly preferred.
- Another useful reducing agent is ascorbic acid.
- the amount of reducing agents to be used may vary from case to case depending on the type of bleach and the form it is in, but normally a range of about 0.01% to about 1.0% by weight, preferably from about 0.02% to about 0.5% by weight, will be sufficient.
- the invention relates to washing processes m mechanical dish washing machines wherein the wash liquor has a low pH.
- low pH is meant here that the pH of the wash liquor is preferably higher than about 6.5, more preferably 7.5 or higher, most preferably 8.5 or higher.
- the pH is lower than about 10.5, more preferably lower than about 10, more preferably lower than about 9.5.
- the most advantageous pH range is from 8.5 to 10.
- the present invention preferably relates to processes of mechanically washing soiled articles with a wash liquor at a temperature of at least 40°C, more preferably at least 50°C, most preferably at least 55°C.
- the rmse aid for use m the invention comprises a water soluble acid builder or salt, preferably organic acids including, for example, carboxylic acids, such as citric and succimc acids, polycarboxylic acids, such as polyacrylic acid, and also acetic acid, boric acid, malomc acid, adipic acid, fuma ⁇ c acid, lactic acid, glycolic acid, tarta ⁇ c acid, tartronic acid, maloic acid, their derivatives and any mixtures of the foregoing.
- carboxylic acids such as citric and succimc acids
- polycarboxylic acids such as polyacrylic acid
- acetic acid boric acid, malomc acid, adipic acid, fuma ⁇ c acid, lactic acid, glycolic acid, tarta ⁇ c acid, tartronic acid, maloic acid, their derivatives and any mixtures of the foregoing.
- the level of water soluble builder salt in the composition is at least 20wt% of the total composition, preferably at least 25 wt.%, more preferably at least 30 wt.%, most preferably at least 35 wt.%
- Suitable water-soluble monomeric or oligomeric carboxylate builders can be selected from a wide range of compounds but such compounds preferably have a first carboxyl logarithmic acidity/constant (pKi) of less than 9, preferably of between 2 and 8.5, more preferably of between 2.5 and 7.5.
- pKi carboxyl logarithmic acidity/constant
- the carboxylate or polycarboxylate builder can be monomeric or oligomeric in type although monomeric polycarboxylates are generally preferred for reasons of cost and performance.
- Monomeric and oligomeric builders can be selected from acyclic, alicyclic, heterocyclic and aromatic carboxylates .
- Suitable carboxylates containing one carboxy group include the water-soluble salts of lactic acid, glycolic acid and ether derivatives thereof.
- Polycarboxylates containing two carboxy groups include the water-soluble salts of succinic acid, malonic acid, (ethylenedioxy) diacetic acid, maleic acid, diglycolic acid, tartaric acid, tartronic acid and fumaric acid, as well as the ether carboxylates and the sulfinyl carboxylates.
- Polycarboxylates containing three carboxy groups include, in particular, water-soluble citrates, aconitrates and citraconates as well as succinate derivatives such as the carboxymethyloxysuccinates , lactoxysuccinates , and aminosuccinates , and the oxypolycarboxylate materials such as 2-oxa-l , 1 , 3-propane tricarboxylates.
- the carboxylate or polycarboxylate builder compounds described above can also have a dual function as pH controlling agents.
- Polycarboxylates containing four carboxy groups include oxydisuccinates , 1 , 1 , 2 , 2 -ethane tetracarboxylates, 1,1,3,3- propane tetracarboxylates and 1 , 1 , 2 , 3-propane tetracarboxylates.
- Polycarboxylates containing sulfo substituents include the sulfosuccinate derivatives, and the sulfonated pyrolysed citrates.
- Alicyclic and heterocyclic polycarboxylates include cyclopentane-cis , cis , cis-tetracarboxylates , cyclopen- tadienide pentacarboxylates, 2 , 3 , 4 , 5-tetrahydroturan - cis, cis, cis-tetracarboxylates, 2 , 5-tetrahydrofuran - cis - dicarboxylates , 2 , 2 , 5 , 5-tetrahydrofuran - tetracarboxylates, 1, 2 , 3 , 4 , 5 , 6-hexane - hexacarboxylates and carboxymethyl derivatives of polyhydric alcohols such as sorbitol, mannitol and xylitol.
- Aromatic polycarboxylates include mellitic acid, pyromellitic acid and the phthalic acid derivatives disclosed in
- the preferred polycarboxylates are hydroxycarboxylates containing up to three carboxy groups per molecules, more particularly citrates or citric acid.
- the parent acids of the monomeric or oligomeric polycarboxylate chelating agents or mixtures thereof with their salts e.g. citric acid or citrate/citric acid mixtures are also contemplated as components of builder systems of rinse compositions in accordance with the present invention.
- a surfactant system comprising a surfactant selected from nonionic, anionic, cationic, ampholytic and zwitterionic surfactants and mixtures thereof is preferably present in the composition.
- the surfactant system most preferably comprises low foaming nonionic surfactant, selected for its wetting ability, preferably selected from ethoxylated and/or propoxylated nonionic surfactants, more preferably selected from nonionic ethoxylated/propoxylated fatty alcohol surfactants.
- the surfactant system is typically present at a level of from 1% to 40% by weight, more preferably 1.5 % to 30% by weight, most preferably from 5% to 20% by weight of the compositions. If an anionic surfactant is used it is advantageously present at levels of 1 wt% or below.
- compositions of the invention may contain organic solvents, particularly when formulated as liquids or gels.
- compositions in accord with the invention preferably contain a solvent system present at levels of from 1% to
- the solvent system may be a mono or mixed solvent system.
- Suitable organic solvent for use herein has the general formula RO (CH 2 C (Me) HO) n H, wherein R is an alkyl, alkenyl, or alkyl aryl group having from 1 to 8 carbon atoms, and n is an integer from 1 to 4.
- R is an alkyl group containing 1 to 4 carbon atoms, and n is 1 or 2.
- Especially preferred R groups are n-butyl or isobutyl .
- Water-soluble CARBITOL 7 solvents are compounds of the 2- (2 alkoxyethoxy) ethanol class wherein the alkoxy group is derived from ethyl, propyl or butyl; a preferred water- soluble carbitol is 2 (2-butoxyethoxy) ethanol also known as butyl carbitol.
- Water-soluble CELLOSOLVE 7 solvents are compounds of the 2 -alkoxyethoxy ethanol class, with 2- butoxyethoxyethanol being preferred.
- Suitable solvents are benzyl alcohol, and diols such as 2 -ethyl -1 , 3 -hexanediol and 2 , 2 , 4-trimethyl-l , 3- pentanediol .
- Hydrotropes may be present and are typically present at levels of from 0.5% to 20%, preferably from 1% to 10%, by weight .
- Useful hydrotropes include sodium, potassium, and ammonium xylene sulfonates, sodium, potassium, and ammonium toluene sulfonate, sodium potassium and ammonium cumene sulfonate, and mixtures thereof .
- the compositions have a pH as a 1% solution in distilled water at 20°C of less than 7, preferably from 0.5 to 6.5, most preferably from 0.5 to 1.0.
- the dish washing composition for use in the invention may be in any product form, however it is preferred if it granular.
- Granular in the context of the present invention includes both powdered material and tablets. Tablets are particularly preferred.
- the rinse aid is preferably a liquid.
- Dishwash compositions according to the present invention may be dosed in the wash liquor at levels of from 10 g/1 to 2.5 g/i.
- Rinse aid composition according to the present invention may be dosed in the final rinse liquor at levels 1 g/1 or less.
- compositions were tested in a robotised Miele G5953C (total water hardness 28°FH, including temporary hardness of 18°FH) .
- the compositions were dosed at a level of 20 g/wash; the main wash time was 20 minutes; the drying time with open door was 10-20 minutes; the washing temperature was up to 65°C;
- Rinse aid was added to the rinse via the rinse and dispenser.
- the rinse aid had the following formulation:
- Nonionic surfactant LF400s (ex BASF) 14.55%; sodium Xylene sulphonate 5%; citric acid 40% and water to 100%.
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- Oil, Petroleum & Natural Gas (AREA)
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Abstract
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00925289A EP1190029A1 (fr) | 1999-06-25 | 2000-05-15 | Procede de lavage de vaisselle en machine et compositions a cet effet |
BR0011929-6A BR0011929A (pt) | 1999-06-25 | 2000-05-15 | Processo para lavar artigos em uma máquina de lavar mecânica, e, composições de lavar pratos à máquina |
AU44056/00A AU4405600A (en) | 1999-06-25 | 2000-05-15 | Dish washing process and compositions relating thereto |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP99305021 | 1999-06-25 | ||
EP99305021.0 | 1999-06-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001000766A1 true WO2001000766A1 (fr) | 2001-01-04 |
Family
ID=8241476
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2000/004427 WO2001000766A1 (fr) | 1999-06-25 | 2000-05-15 | Procede de lavage de vaisselle en machine et compositions a cet effet |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1190029A1 (fr) |
AR (1) | AR024455A1 (fr) |
AU (1) | AU4405600A (fr) |
BR (1) | BR0011929A (fr) |
WO (1) | WO2001000766A1 (fr) |
ZA (1) | ZA200109843B (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002031095A1 (fr) * | 2000-10-10 | 2002-04-18 | Johnsondiversey, Inc. | Composition detergente et procede de lavage de vaisselle |
WO2002062937A1 (fr) * | 2001-02-07 | 2002-08-15 | Henkel Kommanditgesellschaft Auf Aktien | Produits detergents et nettoyants possedant des microparticules fines qui renferment des constituants de produits nettoyants |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2213007A1 (de) * | 1972-03-17 | 1973-09-20 | Henkel & Cie Gmbh | Klarspuelmittel fuer die maschinelle geschirreinigung |
GB1396678A (en) * | 1972-12-07 | 1975-06-04 | Hoechst Ag | Method for the automatic washing of tableware |
US3941713A (en) * | 1972-10-04 | 1976-03-02 | Lever Brothers Company | Rinse composition |
DE2501529A1 (de) * | 1975-01-16 | 1976-07-22 | Hoechst Ag | Pulverfoermiges reinigungsmittel |
GB1586067A (en) * | 1976-10-28 | 1981-03-18 | Procter & Gamble | Detergent composition |
US4587031A (en) * | 1983-05-02 | 1986-05-06 | Henkel Kommanditgesellschaft Auf Aktien | Process for the production of tablet form detergent compositions |
DE3805881A1 (de) * | 1988-02-25 | 1989-09-07 | Benckiser Gmbh Joh A | Verfahren zum maschinellen reinigen von geschirr |
EP0516554A2 (fr) * | 1991-05-31 | 1992-12-02 | Colgate-Palmolive Company | Composition pulvérisée contenant du phosphate et des enzymes pour le lavage automatique de la vaisselle |
-
2000
- 2000-05-15 BR BR0011929-6A patent/BR0011929A/pt not_active IP Right Cessation
- 2000-05-15 EP EP00925289A patent/EP1190029A1/fr not_active Withdrawn
- 2000-05-15 AU AU44056/00A patent/AU4405600A/en not_active Abandoned
- 2000-05-15 WO PCT/EP2000/004427 patent/WO2001000766A1/fr not_active Application Discontinuation
- 2000-06-23 AR ARP000103143A patent/AR024455A1/es not_active Application Discontinuation
-
2001
- 2001-11-29 ZA ZA200109843A patent/ZA200109843B/xx unknown
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2213007A1 (de) * | 1972-03-17 | 1973-09-20 | Henkel & Cie Gmbh | Klarspuelmittel fuer die maschinelle geschirreinigung |
US3941713A (en) * | 1972-10-04 | 1976-03-02 | Lever Brothers Company | Rinse composition |
GB1396678A (en) * | 1972-12-07 | 1975-06-04 | Hoechst Ag | Method for the automatic washing of tableware |
DE2501529A1 (de) * | 1975-01-16 | 1976-07-22 | Hoechst Ag | Pulverfoermiges reinigungsmittel |
GB1586067A (en) * | 1976-10-28 | 1981-03-18 | Procter & Gamble | Detergent composition |
US4587031A (en) * | 1983-05-02 | 1986-05-06 | Henkel Kommanditgesellschaft Auf Aktien | Process for the production of tablet form detergent compositions |
DE3805881A1 (de) * | 1988-02-25 | 1989-09-07 | Benckiser Gmbh Joh A | Verfahren zum maschinellen reinigen von geschirr |
EP0516554A2 (fr) * | 1991-05-31 | 1992-12-02 | Colgate-Palmolive Company | Composition pulvérisée contenant du phosphate et des enzymes pour le lavage automatique de la vaisselle |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002031095A1 (fr) * | 2000-10-10 | 2002-04-18 | Johnsondiversey, Inc. | Composition detergente et procede de lavage de vaisselle |
WO2002062937A1 (fr) * | 2001-02-07 | 2002-08-15 | Henkel Kommanditgesellschaft Auf Aktien | Produits detergents et nettoyants possedant des microparticules fines qui renferment des constituants de produits nettoyants |
US7601678B2 (en) | 2001-02-07 | 2009-10-13 | Henkel Ag & Co. Kgaa | Washing and cleaning agents comprising fine microparticles with cleaning agent components |
Also Published As
Publication number | Publication date |
---|---|
EP1190029A1 (fr) | 2002-03-27 |
AR024455A1 (es) | 2002-10-02 |
ZA200109843B (en) | 2003-02-26 |
BR0011929A (pt) | 2002-03-19 |
AU4405600A (en) | 2001-01-31 |
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