CA2377728C - Transparent or translucent, liquid or gel type automatic dishwashing detergent product - Google Patents
Transparent or translucent, liquid or gel type automatic dishwashing detergent product Download PDFInfo
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- CA2377728C CA2377728C CA002377728A CA2377728A CA2377728C CA 2377728 C CA2377728 C CA 2377728C CA 002377728 A CA002377728 A CA 002377728A CA 2377728 A CA2377728 A CA 2377728A CA 2377728 C CA2377728 C CA 2377728C
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- CA
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- Prior art keywords
- potassium
- liquid
- automatic dishwashing
- type automatic
- gel type
- 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.)
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- 239000007788 liquid Substances 0.000 title claims abstract description 52
- 239000003599 detergent Substances 0.000 title claims abstract description 48
- 238000004851 dishwashing Methods 0.000 title claims abstract description 37
- 239000000203 mixture Substances 0.000 claims abstract description 58
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims abstract description 50
- 239000011591 potassium Substances 0.000 claims abstract description 50
- 229910052700 potassium Inorganic materials 0.000 claims abstract description 50
- 235000019832 sodium triphosphate Nutrition 0.000 claims abstract description 40
- UNXRWKVEANCORM-UHFFFAOYSA-I triphosphate(5-) Chemical compound [O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O UNXRWKVEANCORM-UHFFFAOYSA-I 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 18
- 239000011734 sodium Substances 0.000 claims abstract description 11
- KWYUFKZDYYNOTN-UHFFFAOYSA-M potassium hydroxide Substances [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 20
- 229910019142 PO4 Inorganic materials 0.000 claims description 11
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 11
- 239000010452 phosphate Substances 0.000 claims description 11
- 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 claims description 9
- 239000007787 solid Substances 0.000 claims description 9
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 6
- 229910052708 sodium Inorganic materials 0.000 claims description 5
- SCVFZCLFOSHCOH-UHFFFAOYSA-M potassium acetate Chemical compound [K+].CC([O-])=O SCVFZCLFOSHCOH-UHFFFAOYSA-M 0.000 claims description 4
- 239000004111 Potassium silicate Substances 0.000 claims description 3
- IOLCXVTUBQKXJR-UHFFFAOYSA-M potassium bromide Chemical compound [K+].[Br-] IOLCXVTUBQKXJR-UHFFFAOYSA-M 0.000 claims description 3
- 229910000027 potassium carbonate Inorganic materials 0.000 claims description 3
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims description 3
- NNHHDJVEYQHLHG-UHFFFAOYSA-N potassium silicate Chemical compound [K+].[K+].[O-][Si]([O-])=O NNHHDJVEYQHLHG-UHFFFAOYSA-N 0.000 claims description 3
- 235000019353 potassium silicate Nutrition 0.000 claims description 3
- 229910052913 potassium silicate Inorganic materials 0.000 claims description 3
- 235000011056 potassium acetate Nutrition 0.000 claims description 2
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 claims description 2
- 229910052939 potassium sulfate Inorganic materials 0.000 claims description 2
- 229910000404 tripotassium phosphate Inorganic materials 0.000 claims description 2
- 235000015320 potassium carbonate Nutrition 0.000 claims 1
- 235000010333 potassium nitrate Nutrition 0.000 claims 1
- LWIHDJKSTIGBAC-UHFFFAOYSA-K tripotassium phosphate Chemical compound [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 claims 1
- 235000019798 tripotassium phosphate Nutrition 0.000 claims 1
- 239000000047 product Substances 0.000 description 23
- ZVXSESPJMKNIQA-YXMSTPNBSA-N Lys-Thr-Pro-Pro Chemical compound NCCCC[C@H](N)C(=O)N[C@@H]([C@H](O)C)C(=O)N1CCC[C@H]1C(=O)N1[C@H](C(O)=O)CCC1 ZVXSESPJMKNIQA-YXMSTPNBSA-N 0.000 description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 8
- MXRIRQGCELJRSN-UHFFFAOYSA-N O.O.O.[Al] Chemical compound O.O.O.[Al] MXRIRQGCELJRSN-UHFFFAOYSA-N 0.000 description 6
- 239000004615 ingredient Substances 0.000 description 6
- 239000004094 surface-active agent Substances 0.000 description 6
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 5
- 102000004190 Enzymes Human genes 0.000 description 5
- 108090000790 Enzymes Proteins 0.000 description 5
- 239000007844 bleaching agent Substances 0.000 description 5
- 239000000460 chlorine Substances 0.000 description 5
- 229910052801 chlorine Inorganic materials 0.000 description 5
- 229920000058 polyacrylate Polymers 0.000 description 5
- 239000002562 thickening agent Substances 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 229940088598 enzyme Drugs 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- 238000005187 foaming Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 3
- 102000013142 Amylases Human genes 0.000 description 2
- 108010065511 Amylases Proteins 0.000 description 2
- 108091005804 Peptidases Proteins 0.000 description 2
- 239000004115 Sodium Silicate Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000012263 liquid product Substances 0.000 description 2
- 239000002736 nonionic surfactant Substances 0.000 description 2
- 235000011181 potassium carbonates Nutrition 0.000 description 2
- 235000015424 sodium Nutrition 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- 229910052911 sodium silicate Inorganic materials 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 102000035195 Peptidases Human genes 0.000 description 1
- 239000004365 Protease Substances 0.000 description 1
- 102100037486 Reverse transcriptase/ribonuclease H Human genes 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 235000019418 amylase Nutrition 0.000 description 1
- 229940025131 amylases Drugs 0.000 description 1
- 239000003945 anionic surfactant 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
- 235000010338 boric acid Nutrition 0.000 description 1
- 238000012777 commercial manufacturing Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 239000002304 perfume Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 235000015497 potassium bicarbonate Nutrition 0.000 description 1
- 229910000028 potassium bicarbonate Inorganic materials 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
- 235000011151 potassium sulphates Nutrition 0.000 description 1
- 229940071207 sesquicarbonate Drugs 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- UIIMBOGNXHQVGW-UHFFFAOYSA-M sodium bicarbonate Substances [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 1
- 229940001593 sodium carbonate Drugs 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000009974 thixotropic effect Effects 0.000 description 1
- WUUHFRRPHJEEKV-UHFFFAOYSA-N tripotassium borate Chemical compound [K+].[K+].[K+].[O-]B([O-])[O-] WUUHFRRPHJEEKV-UHFFFAOYSA-N 0.000 description 1
- BSVBQGMMJUBVOD-UHFFFAOYSA-N trisodium borate Chemical compound [Na+].[Na+].[Na+].[O-]B([O-])[O-] BSVBQGMMJUBVOD-UHFFFAOYSA-N 0.000 description 1
- 238000005406 washing Methods 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
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/04—Water-soluble compounds
- C11D3/046—Salts
-
- 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
- C11D11/00—Special methods for preparing compositions containing mixtures of detergents
- C11D11/0094—Process for making liquid detergent compositions, e.g. slurries, pastes or gels
-
- 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
- C11D3/046—Salts
- C11D3/048—Nitrates or nitrites
-
- 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
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/04—Water-soluble compounds
- C11D3/10—Carbonates ; Bicarbonates
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/02—Inorganic compounds
- C11D7/04—Water-soluble compounds
- C11D7/10—Salts
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/02—Inorganic compounds
- C11D7/04—Water-soluble compounds
- C11D7/10—Salts
- C11D7/105—Nitrates; Nitrites
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/02—Inorganic compounds
- C11D7/04—Water-soluble compounds
- C11D7/10—Salts
- C11D7/12—Carbonates bicarbonates
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/02—Inorganic compounds
- C11D7/04—Water-soluble compounds
- C11D7/10—Salts
- C11D7/16—Phosphates including polyphosphates
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Detergent Compositions (AREA)
Abstract
A process of imparting transparency or translucency to a liquid or gel type automatic dishwashing detergent product is disclosed. The process includes the steps of providing a liquid or gel type automatic dishwashing detergent composition expressly free from (i) potassium tripolyphosphate and (ii) mixture of sodium tripolyphosphate and potassium tripolyphosphate, adding one or more of potassium sources to the liquid or gel type automatic dishwashing detergent composition, the potassium sources being expressly free of potassium tripolyphosphate, and maintaining a K:Na weight ratio greater than at least about 0.5:1.
Description
TRANSPARENT OR TRANSLUCENT LIQUID OR GEL TYPE AUTOMATIC
DISHWASHING DETERGENT PRODUCT
TECHNICAL FIELD
The present invention relates to liquid or gel type automatic dishwashing detergent compositions. More particularly, the invention relates to a process of imparting transparency or translucency to a liquid or gel type automatic dishwashing detergent product and a transparent or translucent a liquid or gel type automatic dishwashing detergent product having one or more potassium sources to maintain pre-selected potassium: sodium ratios in order to make the composition transparent or translucent while at the same time not using any (i) potassium tripolyphosphate or (ii) mixtures of sodium and potassium tripolyphosphate.
BACKGROUND OF THE INVENTION
Improving the aesthetics of a liquid or gel type automatic dishwashing detergent product (liquid/gel ADW or liqui-gel ADW) is believed to be a very important aspect of this product.
Typically, consumers of liquid ADW products have a preference for liquid ADW
products having a certain color or appearance. The addition of a transparent or translucent characteristics to a liquid ADW composition can improve the desirability of the product because of a transparent or translucent product has a shiny appearance which is liked by consumers. Also, a transparent or translucent product allows for suspension of colored prills into that product, which can further enhance the physical appearance of the product. The transparent product may be clear, or dyed, using dyes that do not cause significant staining or dyeing of plastics during the wash cycle in automatic dishwashing.
In the low-free water environment of a typical phosphate containing gel type ADW
composition, it is a real challenge to obtain clear or translucent characteristics. This is primarily due to the relatively low solubility of commodity phosphate builders, such as sodium tripolyphosphate (STPP), which has a solubility typically of about 14.5 grams per 100 cc of water at room temperature. Previous formulators wishing to obtain clear or translucent characteristics in a liquid or gel type ADW have been forced to use highly soluble potassium tripolyphosphate (KTPP), or alternatively, commercially available mixtures of sodium tripolyphosphate and potassium tripolyphosphates (commonly referred to as SKTPP) which have heretofore served a dual purpose of being a potassium source (for transparency/translucency) and a phosphate source (for cleaning performance). The use of KTPP and SKTPP is generally considered undesirable for varzous reasons, one of them being the economics of manufacturing.
Alternatively, the previous
DISHWASHING DETERGENT PRODUCT
TECHNICAL FIELD
The present invention relates to liquid or gel type automatic dishwashing detergent compositions. More particularly, the invention relates to a process of imparting transparency or translucency to a liquid or gel type automatic dishwashing detergent product and a transparent or translucent a liquid or gel type automatic dishwashing detergent product having one or more potassium sources to maintain pre-selected potassium: sodium ratios in order to make the composition transparent or translucent while at the same time not using any (i) potassium tripolyphosphate or (ii) mixtures of sodium and potassium tripolyphosphate.
BACKGROUND OF THE INVENTION
Improving the aesthetics of a liquid or gel type automatic dishwashing detergent product (liquid/gel ADW or liqui-gel ADW) is believed to be a very important aspect of this product.
Typically, consumers of liquid ADW products have a preference for liquid ADW
products having a certain color or appearance. The addition of a transparent or translucent characteristics to a liquid ADW composition can improve the desirability of the product because of a transparent or translucent product has a shiny appearance which is liked by consumers. Also, a transparent or translucent product allows for suspension of colored prills into that product, which can further enhance the physical appearance of the product. The transparent product may be clear, or dyed, using dyes that do not cause significant staining or dyeing of plastics during the wash cycle in automatic dishwashing.
In the low-free water environment of a typical phosphate containing gel type ADW
composition, it is a real challenge to obtain clear or translucent characteristics. This is primarily due to the relatively low solubility of commodity phosphate builders, such as sodium tripolyphosphate (STPP), which has a solubility typically of about 14.5 grams per 100 cc of water at room temperature. Previous formulators wishing to obtain clear or translucent characteristics in a liquid or gel type ADW have been forced to use highly soluble potassium tripolyphosphate (KTPP), or alternatively, commercially available mixtures of sodium tripolyphosphate and potassium tripolyphosphates (commonly referred to as SKTPP) which have heretofore served a dual purpose of being a potassium source (for transparency/translucency) and a phosphate source (for cleaning performance). The use of KTPP and SKTPP is generally considered undesirable for varzous reasons, one of them being the economics of manufacturing.
Alternatively, the previous
-2-formulators have been forced to use very low levels of KTPPs or SKTPs, which detrimentally affects cleaning performance. Thus, a considerable eitort nas been aireciea m mm m~u, m develop novel solutions for attaining transparency and/or translucency in liqui-gel ADWs.
It has been desirable to have a liqui-gel ADW product having transparency and/or translucency characteristics, but without using (i) potassium tripolyphosphate (KTPP), and/or (ii) commercially available mixtures of sodium tripolyphosphate and potassium tripolyphosphate (SKTPP), while at the same time still maintaining high phosphate levels so as to not detrimentally affect cleaning performance.
The inventors of the present invention have discovered that by maintaining a K:Na weight ratio greater than at least about 0.5:1, K:Na, outstanding translucent characteristics can be imparted without having to use KTPP or SKTPP. Thus, high phosphate levels can be attained by the addition of sodium tripolyphosphate (STPP) alone, along with the addition of potassium hydroxide (KOH) for obtaining high alkalinity or the addition of other sources of potassium for obtaining moderate alkalinity.
The present invention is thus directed to overcome one or more of the problems as set forth before.
SUMMARY OF THE INVENTION
The invention meets the needs above by providing a process of imparting transparency or translucency to a liquid or gel type automatic dishwashing detergent product, and a transparent or translucent a liquid or gel type automatic dishwashing detergent product.
In one aspect of the present invention, the process of imparting transparency or translucency to a liquid or gel type automatic dishwashing detergent product comprises the steps of providing a liquid or gel type automatic dishwashing detergent composition expressly free from (i) potassium tripolyphosphate and (ii) mixture of sodium tripolyphosphate and potassium tripolyphosphate, adding one or more of potassium sources to the liquid or gel type automatic dishwashing detergent composition, the potassium sources being expressly free of potassium tripolyphosphate, and maintaining a potassiumaodium weight ratio greater than at least about 0.5:1.
In another aspect of the present invention, the transparent or translucent a liquid or gel type automatic dishwashing detergent product comprises a liquid or gel type automatic dishwashing detergent composition. The composition is expressly free from (i) potassium tripolyphosphate and (ii) mixture of sodium tripolyphosphate and potassium tripolyphosphate.
The composition includes one or more of potassium sources, the potassium sources being
It has been desirable to have a liqui-gel ADW product having transparency and/or translucency characteristics, but without using (i) potassium tripolyphosphate (KTPP), and/or (ii) commercially available mixtures of sodium tripolyphosphate and potassium tripolyphosphate (SKTPP), while at the same time still maintaining high phosphate levels so as to not detrimentally affect cleaning performance.
The inventors of the present invention have discovered that by maintaining a K:Na weight ratio greater than at least about 0.5:1, K:Na, outstanding translucent characteristics can be imparted without having to use KTPP or SKTPP. Thus, high phosphate levels can be attained by the addition of sodium tripolyphosphate (STPP) alone, along with the addition of potassium hydroxide (KOH) for obtaining high alkalinity or the addition of other sources of potassium for obtaining moderate alkalinity.
The present invention is thus directed to overcome one or more of the problems as set forth before.
SUMMARY OF THE INVENTION
The invention meets the needs above by providing a process of imparting transparency or translucency to a liquid or gel type automatic dishwashing detergent product, and a transparent or translucent a liquid or gel type automatic dishwashing detergent product.
In one aspect of the present invention, the process of imparting transparency or translucency to a liquid or gel type automatic dishwashing detergent product comprises the steps of providing a liquid or gel type automatic dishwashing detergent composition expressly free from (i) potassium tripolyphosphate and (ii) mixture of sodium tripolyphosphate and potassium tripolyphosphate, adding one or more of potassium sources to the liquid or gel type automatic dishwashing detergent composition, the potassium sources being expressly free of potassium tripolyphosphate, and maintaining a potassiumaodium weight ratio greater than at least about 0.5:1.
In another aspect of the present invention, the transparent or translucent a liquid or gel type automatic dishwashing detergent product comprises a liquid or gel type automatic dishwashing detergent composition. The composition is expressly free from (i) potassium tripolyphosphate and (ii) mixture of sodium tripolyphosphate and potassium tripolyphosphate.
The composition includes one or more of potassium sources, the potassium sources being
-3 expressly free of potassium tripolyphosphate. The potassiumaodium weight ratio is greater than at least about 0.5:1.
DETAILED DESCRIPTION OF THE INVENTION
In the preferred embodiment of the present invention, the process of imparting transparency or translucency to a liquid or gel type automatic dishwashing detergent product comprises the steps of providing a liquid or gel type automatic dishwashing detergent composition expressly free from KTPP and SKTPP.
Express exclusion of KTPP and SKTPP
In the preferred embodiment, the liquid or gel type automatic dishwashing detergent composition is expressly free of KTPP and SKTPP. The abbreviation KTPP as used herein means potassium tripolyphosphate, as is commercially available, which may contain incidental and/or trace impurities of other tripolyphosphates, such as STPP. The abbreviation SKTPP, as used herein means commercially available mixtures of STPP and KTPP, wherein the weight ratio of Na;K is more than 95:5.
Potassium sources The process further includes the step of adding one or more of potassium sources to the liquid or gel type automatic dishwashing detergent composition, the potassium sources being expressly free of potassium tripolyphosphate. In the preferred embodiment of the present invention, the potassium source is KOH, added in an amount desirably in a range of from about
DETAILED DESCRIPTION OF THE INVENTION
In the preferred embodiment of the present invention, the process of imparting transparency or translucency to a liquid or gel type automatic dishwashing detergent product comprises the steps of providing a liquid or gel type automatic dishwashing detergent composition expressly free from KTPP and SKTPP.
Express exclusion of KTPP and SKTPP
In the preferred embodiment, the liquid or gel type automatic dishwashing detergent composition is expressly free of KTPP and SKTPP. The abbreviation KTPP as used herein means potassium tripolyphosphate, as is commercially available, which may contain incidental and/or trace impurities of other tripolyphosphates, such as STPP. The abbreviation SKTPP, as used herein means commercially available mixtures of STPP and KTPP, wherein the weight ratio of Na;K is more than 95:5.
Potassium sources The process further includes the step of adding one or more of potassium sources to the liquid or gel type automatic dishwashing detergent composition, the potassium sources being expressly free of potassium tripolyphosphate. In the preferred embodiment of the present invention, the potassium source is KOH, added in an amount desirably in a range of from about
4% to about 20% by weight of the detergent composition and preferably in a range of from about 8% to about 15% by weight of the detergent composition. When KOH is the preferred potassium source, the liquid or gel type automatic dishwashing detergent composition has a pH
desirably of at least about 9, and preferably, in a range of from about 11 to about 12.5. For purposes of this disclosure, the term pH, as used herein means pH of a 1 % solution of liquid ADW composition in water by weight. Alternatively, the potassium source is selected from the group consisting of KZS04, KN03, KZC03, KCI, KBr, K3P04, potassium silicate, potassium acetate, or mixtures thereof. When the potassium source is selected from the aforementioned group, it is added in an amount desirably in a range of from about 2% to about 20% by weight of the detergent composition and preferably in a range of from about S% to about 16% by weight of the detergent composition, depending upon the availability of K in the potassium source on a molar basis.
When the potassium source is selected from the aforementioned group, the liquid or gel type automatic dishwashing detergent composition has a pH of at least about 6.5.
The lower pH
values are preferred when formulating the detergent composition with enzymes, which may be present in the liqui-gel composition in a liquid form or in the form of solid prills that are coated with a permeable or impermeable coating.
K:Na weight ratio The process further includes the step of maintaining a potassiumaodium weight ratio desirably greater than about 0.5:1, and preferably above 0.65:1. In a more preferred embodiment, the K:Na weight ratio is desirably maintained in a range of from about 0.5:1 to about 1.25:1, particularly when the detergent composition has a total solids content of less than about 20% by weight.
Preferably, the potassiumaodium weight ratio is maintained at least greater than 0.75:1, and more preferably, in a range of from about 0.75:1 to about 2:1, potassiumaodium, particularly when the liquid or gel type automatic dishwashing detergent composition has a total solids content in a range of from about 20% to about 40% by weight. The total solids content comprises solids in the form of STPP, i.e., the phosphate builder, which is typically present in an amount in a range of about 10% to 40%, thickener, such as a polymer, and potassium hydroxide, i.e., one of the potassium sources. It should be noted that other optional ingredients may also make up the total solids content in a liqui-gel ADW composition.
Phosphate Builder The liquid or gel type automatic dishwashing detergent composition provided in this process, further includes a phosphate builder in an amount desirably in a range of from about 10% to about 40% of said detergent composition, and preferably in a range of from about 12% to about 30% of said detergent composition. The preferred phosphate builder useful in practicing this invention is sodium tripolyphosphate (STPP). The STPP is essentially free of any KTPP, other than what may be present in trace quantities as naturally occurring impurity or an impurity during the commercial manufacturing of STPP. Other phosphate builders known to those skilled in the art may also be utilized in lieu of or in conjunction with STPP.
In another embodiment of the present invention, a transparent or translucent a liquid or gel type automatic dishwashing detergent product includes a liquid or gel type automatic dishwashing detergent composition. The composition is expressly free of KTPP
and SKTPP.
The composition includes one or more of potassium sources, the potassium sources being expressly free of KTPP. The potassiumaodium weight ratio is desirably greater than about 0.5:1.
Other ingredients (a) Thickeners The physical stability of the liquid product may be improved and the thickness of the liquid product may be altered by the addition of a cross linking polyacrylate thickener to the liquid detergent product as a thixotropic thickener.
desirably of at least about 9, and preferably, in a range of from about 11 to about 12.5. For purposes of this disclosure, the term pH, as used herein means pH of a 1 % solution of liquid ADW composition in water by weight. Alternatively, the potassium source is selected from the group consisting of KZS04, KN03, KZC03, KCI, KBr, K3P04, potassium silicate, potassium acetate, or mixtures thereof. When the potassium source is selected from the aforementioned group, it is added in an amount desirably in a range of from about 2% to about 20% by weight of the detergent composition and preferably in a range of from about S% to about 16% by weight of the detergent composition, depending upon the availability of K in the potassium source on a molar basis.
When the potassium source is selected from the aforementioned group, the liquid or gel type automatic dishwashing detergent composition has a pH of at least about 6.5.
The lower pH
values are preferred when formulating the detergent composition with enzymes, which may be present in the liqui-gel composition in a liquid form or in the form of solid prills that are coated with a permeable or impermeable coating.
K:Na weight ratio The process further includes the step of maintaining a potassiumaodium weight ratio desirably greater than about 0.5:1, and preferably above 0.65:1. In a more preferred embodiment, the K:Na weight ratio is desirably maintained in a range of from about 0.5:1 to about 1.25:1, particularly when the detergent composition has a total solids content of less than about 20% by weight.
Preferably, the potassiumaodium weight ratio is maintained at least greater than 0.75:1, and more preferably, in a range of from about 0.75:1 to about 2:1, potassiumaodium, particularly when the liquid or gel type automatic dishwashing detergent composition has a total solids content in a range of from about 20% to about 40% by weight. The total solids content comprises solids in the form of STPP, i.e., the phosphate builder, which is typically present in an amount in a range of about 10% to 40%, thickener, such as a polymer, and potassium hydroxide, i.e., one of the potassium sources. It should be noted that other optional ingredients may also make up the total solids content in a liqui-gel ADW composition.
Phosphate Builder The liquid or gel type automatic dishwashing detergent composition provided in this process, further includes a phosphate builder in an amount desirably in a range of from about 10% to about 40% of said detergent composition, and preferably in a range of from about 12% to about 30% of said detergent composition. The preferred phosphate builder useful in practicing this invention is sodium tripolyphosphate (STPP). The STPP is essentially free of any KTPP, other than what may be present in trace quantities as naturally occurring impurity or an impurity during the commercial manufacturing of STPP. Other phosphate builders known to those skilled in the art may also be utilized in lieu of or in conjunction with STPP.
In another embodiment of the present invention, a transparent or translucent a liquid or gel type automatic dishwashing detergent product includes a liquid or gel type automatic dishwashing detergent composition. The composition is expressly free of KTPP
and SKTPP.
The composition includes one or more of potassium sources, the potassium sources being expressly free of KTPP. The potassiumaodium weight ratio is desirably greater than about 0.5:1.
Other ingredients (a) Thickeners The physical stability of the liquid product may be improved and the thickness of the liquid product may be altered by the addition of a cross linking polyacrylate thickener to the liquid detergent product as a thixotropic thickener.
-5-(b) pH adjustin , components The above liquid automatic dishwashing detergent product is preferably low foaming, readily soluble in the washing medium and most effective at pH values best conducive to improved cleaning performance, such as in a range of desirably from about pH
6.5 to about pH
12.5, and preferably from about pH 8.0 to about pH 12.0, more preferably from about pH 8.5 to about pH 12.5. The pH adjusting components are desirably selected from sodium or potassium hydroxide, sodium or potassium carbonate or sesquicarbonate, sodium or potassium silicate, boric acid, sodium or potassium bicarbonate, sodium or potassium borate, and mixtures thereof.
NaOH or KOH are the preferred ingredients for increasing the pH to within the above ranges.
Other preferred pH adjusting ingredients are sodium carbonate, potassium carbonate, and mixtures thereof.
(c) Low Foaming Surfactant The liquid nonionic surfactant detergents that can be used to practice the present invention are preferably are alkyl ethoxylates in non-chlorine bleach liquid ADW compositions.
One example of a non-chlorine bleach stable surfactant is SLF18~ manufactured by BASF
Corporation. Alternatively, in chlorine bleach containing liquid ADW
compositions, chlorine bleach stable low foaming surfactants are preferred and such surfactants are present in a range of from about 0.1% to about 10% by weight of the liquid composition. Such surfactants are generally known to one skilled in the art and need not be elaborated here, for purposes of brevity.
An example of a chlorine bleach stable surfactant is Dowfax~ anionic surfactant available from the Dow Chemical Company.
(d) Enzymes Enzymes may be present in the liqui-gel composition in the form of liquid enzymes when the pH of the liquid ADW is less than about 10.0 At pH's greater than about 10.0, enzymes in the form of solid grills that are coated with impermeable or permeable coating may be used.
Various types of enzymes are well known to those skilled in the art, such as proteases and amylases, both of which are useful in carrying out this invention.
(e) Other adiunct ingredients The liquid automatic dishwashing detergent composition may optionally contain up to about 20% of a dispersant polymer selected from the group consisting of polyacrylates and polyacrylate copolymers.
To exemplify various embodiments of the present invention, Samples A, B and C
of the liquid automatic dishwashing detergent product composition are formulated using the below named ingredients, as set forth in Example A.
EXAMPLE A
gredient weight % active) Sample A Sample Sample t;
hl 13 , Sodium Tripolyphosphate 16.0 16.0 16.0 Potassium Tripolyphosphate0.0 0.0 0.0 Sodium Silicate 0.0 0.0 0.5 Potassium hydroxide 0.0 11.0 11.0 Sodium hydroxide 0.0 0.0 0.0 Polyacrylate polymer 0.0 0.0 1.0 Nitric Acid 0.012 0.0 0.0 Perfume 0.03 0.03 0.03 Nonionic surfactant 0.3 0.5 0.5 Polyacrylate polymer 1.5 1.0 1.0 thickener Protease enzyme 0.5 (liquid)1.0 (grill)1.0 (grill) Amylase enzyme 0.7 (liquid)1.0 (grill)1.0 (grill) propylene glycol 4.0 0.0 0.0 sodium borate 4.0 0.0 0.0 Potassium sulfate 16.0 0.0 0.0 Water Bal. Bal. Bal.
TOTAL 100.0 100.0 100.0 pH Sample A Sample B Sample C
8.5 12.1 12.1 Accordingly, having thus described the invention in detail, it will be obvious to those skilled in the art that various changes may be made without departing from the scope of the invention and the invention is not to be considered limited to what is described in the specification.
What is claimed is:
12.5, and preferably from about pH 8.0 to about pH 12.0, more preferably from about pH 8.5 to about pH 12.5. The pH adjusting components are desirably selected from sodium or potassium hydroxide, sodium or potassium carbonate or sesquicarbonate, sodium or potassium silicate, boric acid, sodium or potassium bicarbonate, sodium or potassium borate, and mixtures thereof.
NaOH or KOH are the preferred ingredients for increasing the pH to within the above ranges.
Other preferred pH adjusting ingredients are sodium carbonate, potassium carbonate, and mixtures thereof.
(c) Low Foaming Surfactant The liquid nonionic surfactant detergents that can be used to practice the present invention are preferably are alkyl ethoxylates in non-chlorine bleach liquid ADW compositions.
One example of a non-chlorine bleach stable surfactant is SLF18~ manufactured by BASF
Corporation. Alternatively, in chlorine bleach containing liquid ADW
compositions, chlorine bleach stable low foaming surfactants are preferred and such surfactants are present in a range of from about 0.1% to about 10% by weight of the liquid composition. Such surfactants are generally known to one skilled in the art and need not be elaborated here, for purposes of brevity.
An example of a chlorine bleach stable surfactant is Dowfax~ anionic surfactant available from the Dow Chemical Company.
(d) Enzymes Enzymes may be present in the liqui-gel composition in the form of liquid enzymes when the pH of the liquid ADW is less than about 10.0 At pH's greater than about 10.0, enzymes in the form of solid grills that are coated with impermeable or permeable coating may be used.
Various types of enzymes are well known to those skilled in the art, such as proteases and amylases, both of which are useful in carrying out this invention.
(e) Other adiunct ingredients The liquid automatic dishwashing detergent composition may optionally contain up to about 20% of a dispersant polymer selected from the group consisting of polyacrylates and polyacrylate copolymers.
To exemplify various embodiments of the present invention, Samples A, B and C
of the liquid automatic dishwashing detergent product composition are formulated using the below named ingredients, as set forth in Example A.
EXAMPLE A
gredient weight % active) Sample A Sample Sample t;
hl 13 , Sodium Tripolyphosphate 16.0 16.0 16.0 Potassium Tripolyphosphate0.0 0.0 0.0 Sodium Silicate 0.0 0.0 0.5 Potassium hydroxide 0.0 11.0 11.0 Sodium hydroxide 0.0 0.0 0.0 Polyacrylate polymer 0.0 0.0 1.0 Nitric Acid 0.012 0.0 0.0 Perfume 0.03 0.03 0.03 Nonionic surfactant 0.3 0.5 0.5 Polyacrylate polymer 1.5 1.0 1.0 thickener Protease enzyme 0.5 (liquid)1.0 (grill)1.0 (grill) Amylase enzyme 0.7 (liquid)1.0 (grill)1.0 (grill) propylene glycol 4.0 0.0 0.0 sodium borate 4.0 0.0 0.0 Potassium sulfate 16.0 0.0 0.0 Water Bal. Bal. Bal.
TOTAL 100.0 100.0 100.0 pH Sample A Sample B Sample C
8.5 12.1 12.1 Accordingly, having thus described the invention in detail, it will be obvious to those skilled in the art that various changes may be made without departing from the scope of the invention and the invention is not to be considered limited to what is described in the specification.
What is claimed is:
Claims (9)
1. A process of imparting transparency or translucency to a liquid or gel type automatic dishwashing detergent product, characterized by the steps of providing a liquid or gel type automatic dishwashing detergent composition expressly free from (i) potassium tripolyphosphate and (ii) mixture of sodium tripolyphosphate and potassium tripolyphosphate;
adding one or more of potassium sources to said liquid or gel type automatic dishwashing detergent composition, said potassium sources being expressly free of potassium tripolyphosphate; and maintaining a potassium:sodium weight ratio greater than at least 0.5:1.
adding one or more of potassium sources to said liquid or gel type automatic dishwashing detergent composition, said potassium sources being expressly free of potassium tripolyphosphate; and maintaining a potassium:sodium weight ratio greater than at least 0.5:1.
2. The process according to Claim 1, wherein said potassium source is selected from the group consisting of K2SO4, KNO3, K2CO3, KC1, KBr, K3PO4, potassium silicate, potassium acetate, and mixtures thereof
3. The process according to Claim 1, wherein said potassium source is KOH.
4. The process according to any one of Claims 1-3, wherein said potassium source is added in an amount in a range of from 2% to 20% by weight of said detergent composition.
5. The process according to any one of Claims 1-4, wherein said liquid or gel type automatic dishwashing detergent composition has a pH of at least 6.5.
6. The process according to any one of Claims 1-5, wherein said liquid or gel type automatic dishwashing detergent composition includes a phosphate builder in an amount in a range of from 10% to 40% by weight of said detergent composition.
7. The process according to any one of Claims 1-6, wherein said potassium:sodium weight ratio is maintained in an amount greater than 0.65:1.
8. The process according to any one of Claims 1-7, wherein said liquid or gel type automatic dishwashing detergent composition has a total solids content of less than 20% by weight.
9. The process according to any one of Claims 1-7, wherein said liquid or gel type automatic dishwashing detergent composition has a total solids content in a range of from 20% to 40% by weight.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14193299P | 1999-07-01 | 1999-07-01 | |
| US60/141,932 | 1999-07-01 | ||
| PCT/US2000/018070 WO2001002531A1 (en) | 1999-07-01 | 2000-06-30 | Transparent or translucent, liquid or gel type automatic dishwashing detergent product |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2377728A1 CA2377728A1 (en) | 2001-01-11 |
| CA2377728C true CA2377728C (en) | 2005-08-16 |
Family
ID=22497864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002377728A Expired - Fee Related CA2377728C (en) | 1999-07-01 | 2000-06-30 | Transparent or translucent, liquid or gel type automatic dishwashing detergent product |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1196534A1 (en) |
| JP (1) | JP2003504457A (en) |
| AU (1) | AU6061700A (en) |
| CA (1) | CA2377728C (en) |
| MX (1) | MXPA02000264A (en) |
| WO (1) | WO2001002531A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003512510A (en) * | 1999-10-15 | 2003-04-02 | ザ、プロクター、エンド、ギャンブル、カンパニー | Liquid or gel detergent with increased specific gravity |
| AU2001282341B2 (en) | 2000-08-25 | 2006-10-12 | Reckitt Benckiser (Uk) Limited | Water-soluble packages containing liquid compositions |
| US8603466B2 (en) | 2006-03-29 | 2013-12-10 | King's College London | Agonist antibodies against TSHR |
| GB0917740D0 (en) | 2009-10-09 | 2009-11-25 | Reckitt Benckiser Nv | Detergent composition |
| GB201019628D0 (en) * | 2010-11-19 | 2010-12-29 | Reckitt Benckiser Nv | Dyed coated bleach materials |
| JP6533030B2 (en) * | 2013-12-17 | 2019-06-19 | 第一工業製薬株式会社 | Cleaning composition for silicon wafer |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1489867A (en) * | 1973-10-05 | 1977-10-26 | Albright & Wilson | Detergent compositions comprising amine polyphosphates |
| US4257908A (en) * | 1975-08-11 | 1981-03-24 | Colgate Palmolive Company | Laundry detergent in gel form |
| GB1577140A (en) * | 1976-05-24 | 1980-10-22 | Unilever Ltd | Liquid detergent compositions |
| NL7808161A (en) * | 1977-08-22 | 1979-02-26 | Unilever Nv | LIQUID DETERGENT. |
| US5413727A (en) * | 1985-06-14 | 1995-05-09 | Colgate Palmolive Co. | Thixotropic aqueous compositions containing long chain saturated fatty acid stabilizers |
| US5213706A (en) * | 1991-11-08 | 1993-05-25 | Lever Brothers Company, Division Of Conopco, Inc. | Homogeneous detergent gel compositions for use in automatic dishwashers |
| AU6145196A (en) * | 1996-05-15 | 1997-12-05 | Procter & Gamble Company, The | Process for manufacturing bleaching compositions comprising chlorine and bromine sources and product thereof |
-
2000
- 2000-06-30 JP JP2001508305A patent/JP2003504457A/en active Pending
- 2000-06-30 MX MXPA02000264A patent/MXPA02000264A/en unknown
- 2000-06-30 CA CA002377728A patent/CA2377728C/en not_active Expired - Fee Related
- 2000-06-30 WO PCT/US2000/018070 patent/WO2001002531A1/en not_active Application Discontinuation
- 2000-06-30 EP EP00946933A patent/EP1196534A1/en not_active Ceased
- 2000-06-30 AU AU60617/00A patent/AU6061700A/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| CA2377728A1 (en) | 2001-01-11 |
| EP1196534A1 (en) | 2002-04-17 |
| JP2003504457A (en) | 2003-02-04 |
| MXPA02000264A (en) | 2002-06-21 |
| AU6061700A (en) | 2001-01-22 |
| WO2001002531A1 (en) | 2001-01-11 |
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