Liquid dishwashing detergent

• US 5,998,355 A
• Filed: 11/24/1997
• Issued: 12/07/1999
• Est. Priority Date: 11/16/1995
• Status: Expired due to Term

• Current Assignee: Access Business Group International LLC (Alticor Incorporated)
• Original Assignee: Amway Corporation (Alticor Incorporated)
• Inventors: Brumbaugh, Ernest H.
• Primary Examiner(s): Gupta, Yogendra
• Assistant Examiner(s): Webb, Gregory E.
• Application Number:
  US08/976,900
• Time in Patent Office: 743 Days
• Field of Search: 510/235, 510/236, 510/237, 510/424, 510/437, 510/503, 510/505, 510/427, 510/434
• US Class Current: 510/424
• CPC Class Codes: C11D 1/04 Carboxylic acids or salts thereof soap C11D9/00
• CPC Class Codes: C11D 1/06 Ether- or thioether carboxylic acids
• CPC Class Codes: C11D 1/123 derived from carboxylic acids, e.g. sulfosuccinates
• CPC Class Codes: C11D 1/143 Sulfonic acid esters
• CPC Class Codes: C11D 1/146 Sulfuric acid esters
• CPC Class Codes: C11D 1/28 Sulfonation products derived from fatty acids or their derivatives, e.g. esters, amides
• CPC Class Codes: C11D 1/29 Sulfates of polyoxyalkylene ethers
• CPC Class Codes: C11D 1/523 Carboxylic alkylolamides, or dialkylolamides, or hydroxycarboxylic amides (R1-CO-NR2R3), where R1, R2 or R3 contain one hydroxy group per alkyl group
• CPC Class Codes: C11D 1/525 Carboxylic amides (R1-CO-NR2R3), where R1, R2 or R3 contain two or more hydroxy groups per alkyl group, e.g. R3 being a reducing sugar rest
• CPC Class Codes: C11D 1/662 Carbohydrates or derivatives
• CPC Class Codes: C11D 1/667 Neutral esters, e.g. sorbitan esters
• CPC Class Codes: C11D 1/72 Ethers of polyoxyalkylene glycols
• CPC Class Codes: C11D 1/74 Carboxylates or sulfonates esters of polyoxyalkylene glycols
• CPC Class Codes: C11D 1/75 Amino oxides
• CPC Class Codes: C11D 1/83 Mixtures of non-ionic with anionic compounds
• CPC Class Codes: C11D 1/86 Mixtures of anionic, cationic, and non-ionic compounds
• CPC Class Codes: C11D 1/90 Betaines
• CPC Class Codes: C11D 1/92 Sulfobetaines ; Sulfitobetaines
• CPC Class Codes: C11D 1/94 Mixtures with anionic, cationic or non-ionic compounds
• CPC Class Codes: C11D 3/2093 Esters; Carbonates

Abstract

Liquid dishwashing detergent compositions are prepared that exhibit increased viscosity, better dissolution rate and surprisingly improved cleaning performance in hard water, comprising from about 1% to about 90% of an anionic surfactant and from about 1% to about 30% of a solvent hydrotrope selected from the group consisting of alkoxylated glycerides, alkoxylated glycerines, esters of alkoxylated glycerines, alkoxylated fatty acids, esters of glycerin, polyglycerol esters and combinations thereof.

Claims

1. A light-duty liquid detergent composition consisting of:

a. from about 1% to about 90% of an anionic surfactant;

b. from about 1% to about 30% of a solvent hydrotrope selected from the group consisting of alkoxylated glycerines, alkoxylated fatty acids, polyglycerol esters and combinations thereof;

c. from about 1% to about 40% of a surfactant component selected from the group consisting of nonionic surfactants, amphoteric surfactants and combinations thereof.

2. The composition of claim 1 wherein the amount of anionic surfactant present is from about 5% to about 70%.

3. The composition of claim 1 wherein the amount of solvent hydrotrope present is from about 2% to about 20%.

4. The composition of claim 1 wherein the nonionic surfactant is selected from the group consisting of alkanolamides, amine oxides, alkoxlyated alcohols, alkoxylated phenols, block polymers, alkoxylated amines, alkyl polysaccharides, glucosamides, sugar esters and combinations thereof.

5. The composition of claim 1 wherein the amphoteric surfactant is selected from the group consisting of monoacetates, diacetates, betaines, glycinates, imidazolines, imidazoline derivatives, isethionates, monoproprionates, diproprionates, hydroxy sultaines and combinations thereof.

6. The composition of claim 1 wherein the anionic surfactant contains at least one sulfur group.

7. The composition of claim 1 wherein the anionic surfactant is selected from the group consisting of sulfated anionic surfactants, sulfonated anionic surfactants, sulfosuccinamates, sulfosuccinates, taurates, salts of fatty acids, carboxylated alcohol ethoxylates, ether sulfates and combinations thereof.

8. The composition of claim 1 wherein the anionic surfactant is an ether sulfate anionic surfactant.

9. The composition of claim 1 wherein the amount hydrotrope present is from about 3% to about 10%.

10. The composition of claim 1 wherein the amount hydrotrope present is from about 4% to about 8%.

11. The composition of claim 1 wherein the amount anionic surfactant is from about 15% to about 50%.

12. The composition of claim 1 wherein the amount of the anionic surfactant component is from about 15% to about 40%.

19. The composition of claim 1 wherein said solvent hydrotrope is selected from alkoxylated glycerines.

13. A light-duty liquid detergent composition consisting of:

a. from about 15% to about 50% of a sulfate anionic surfactant selected from the group consisting of primary and secondary alkyl sulfates, primary and secondary sulfates of ethoxylated alcohols, sulfates of fatty esters, sulfonates of alkylbenzene, sulfonates of dodecyl benzene, sulfonates of tridecylbenzene, primary and secondary alkyl sulfonates, alpha olefin sulfonates, sulfonates of naphthalene and alkyl naphthalene, sulfonates of petroleum, sarcosinates, sulfosuccinamates, sulfosuccinates, taurates, salts of fatty acids and carboxylated alcohol ethoxylates, ether sulfates and combinations thereof;

b. from about 3% to about 10% of a solvent hydrotrope selected from the group consisting of alkoxylated glycerines, alkoxylated fatty acids, polyglycerol esters and combinations thereof;

c. from about 0% to about 10% of additives; and

,

d. water comprising the balance.

14. The composition of claim 13 wherein the anionic surfactant is an ether sulfate anionic surfactant.

20. The composition of claim 13 wherein said solvent hydrotrope is selected from alkoxylated glycerines.

15. A light-duty liquid detergent composition consisting of:

a. from about 15% to about 50% of a sulfate anionic surfactant selected from the group consisting of primary and secondary alkyl sulfates, primary and secondary sulfates of ethoxylated alcohols, sulfates of fatty esters, sulfonates of alkyl benzene, sulfonates of dodecyl benzene, sulfonate of tridecylbenzene, primary and secondary alkyl sulfonates, alpha olefin sulfonates, sulfonates of naphthalene and alkyl naphthalene, sulfonates of petroleum, sarcosinates, sulfosuccinamates, sulfosuccinates, taurates, salts of fatty acids and carboxylated alcohol ethoxylates, ether sulfates and combinations thereof;

b. from about 3% to about 10% of a solvent hydrotrope selected from the group consisting of alkoxylated glycerines, alkoxylated fatty acids, polyglycerol esters and combinations thereof;

c. from about 1% to about 40% of a surfactant component selected from the group consisting of nonionic surfactants, amphoteric surfactants and combinations thereof;

d. from about 0% to about 10% of additives; and

,

e. water comprising the balance.

16. A liquid dishwashing detergent composition consisting of:

a. from about 15% to about 50% of an ether sulfate anionic surfactant;

b. from about 4% to about 8% of a solvent hydrotrope selected from the group consisting of alkoxylated glycerides, alkoxylated glycerines, esters of alkoxylated glycerines, alkoxylated fatty acids, esters of glycerin, polyglycerol esters and combinations thereof;

c. from about 15% to about 40% of a surfactant component selected from the group consisting of nonionic surfactants, amphoteric surfactants and combinations thereof;

d. from about 0% to about 10% of additives; and

,

e. water comprising the balance.

17. The composition of claim 16 wherein the nonionic surfactant is selected from the group consisting of alkanolamides, amine oxides, alkoxlyated alcohols, alkoxylated phenols, block polymers, alkoxylated amines, alkyl polysaccharides, glucosamides, sugar esters and combinations thereof.

18. The composition of claim 16 wherein the amphoteric surfactant is selected from the group consisting of monoacetates, diacetates, betaines, glycinates, imidazolines, imidazoline derivatives, isethionates, monoproprionates, diproprionates, hydroxy sultaines and combinations thereof.

21. A light-duty liquid detergent composition consisting of:

a. from about 1% to about 90% of an anionic surfactant;

b. from about 1% to about 30% of a solvent hydrotrope selected from the group consisting of alkoxylated glycerines, alkoxylated fatty acids, polyglycerol esters and combinations thereof;

c. from about 1% to about 40% of a surfactant component selected from the group consisting of nonionic surfactants, amphoteric surfactants and combinations thereof; and

d. citric acid.

22. A light-duty liquid detergent composition consisting of:

a. from about 15% to about 50% of a sulfate anionic surfactant selected from the group consisting of primary and secondary alkyl sulfates, primary and secondary sulfates of ethoxylated alcohols, sulfates of fatty esters, sulfonates of alkylbenzene, sulfonates of dodecyl benzene, sulfonate of tridecylbenzene, primary and secondary alkyl sulfonates, alpha olefin sulfonates, sulfonates of naphthalene and alkyl naphthalene, sulfonates of petroleum, sarcosinates, sulfosuccinamates, sulfosuccinates, taurates, salts of fatty acids and carboxylated alcohol ethoxylates, ether sulfates and combinations thereof;

b. from about 3% to about 10% of a solvent hydrotrope selected from the group consisting of alkoxylated glycerines, alkoxylated fatty acids, polyglycerol esters and combinations thereof;

c. from about 0% to about 10% of additives;

d. citric acid; and

,

e. water comprising the balance.