Claims
- 1. A light duty liquid or gel dishwashing detergent composition comprising by weight from about 5% to about 70% of an alkyl ethoxy carboxylate mixture comprising form about 80% to about 100% of alkyl ethoxy carboxylates of the formula:
- RO(CH.sub.2 CH.sub.2 O).sub.x CH.sub.2 COO.sup.- M.sup.+
- wherein R is a C.sub.12 to C.sub.16 alkyl group, x ranges from 0 to about 10 and the ethoxylate distribution is such that, on a weight basis, the amount of material where x is 0 is less than about 20% and the amount of material where x is greater than 7 s less than about 25%, the average x is from about 2 to 4 when the average R is C.sub.13 or less, and the average x is from about 3 to 6 when the average R is greater than C.sub.13 and M is a cation; said alkyl ethoxy carboxylate mixture containing less than about 10% of alcohol ethoxylates of the formula:
- RO(CH.sub.2 CH.sub.2 O).sub.x H
- wherein R is a C.sub.12 to C.sub.16 alkyl group and x ranges from 0 to about 10 and the average x is less than about 6, and less than about 10% of soaps of the formula:
- RCOO.sup.- M.sup.+
- wherein R is a C.sub.11 to C.sub.15 alkyl group and M is a cation; wherein a 10% by weight aqueous solution of said composition has a pH from about 7 to 11.
- 2. The composition of claim 1 wherein the pH is from about 8 to 10.5.
- 3. The composition of claim 2 wherein the pH is from about 8.5 to 10.
- 4. The composition of claim 1 wherein from 0% to about 1.5% of magnesium ions are present and the pH is from about 7 to 9.5.
- 5. The composition of claim 4 wherein from about 0.3% to 0.8% of magnesium ions are present.
- 6. The composition of claim 1 wherein the cation "M" of said alkyl ethoxy carboxylate is potassium or sodium; the pH is from about 8.5 to 9.5; and from about 0.3 to 0.8% of magnesium ions are present.
- 7. The composition of claim 1 further comprising from 0% to about 35% of a co-surfactant selected from the group consisting of alkyl benzene sulfonates, alkyl sulfates, paraffin sulfonates, olefin sulfonates, alkyl ether sulfates, fatty acid ester sulfonates, alkyl polyglucosides, and mixtures thereof.
- 8. The composition of claim 1 further comprising from 0% to about 15% of a suds booster selected from the group consisting of betaines, ethylene oxide condensates, fatty acid amides, amine oxide semi-polar nonionics, cationic surfactants, and mixtures thereof.
- 9. The composition of claim 7 further comprising from 0% to about 15% of a suds booster selected from betaines, ethylene oxide condensates, fatty acid amides, amine oxide semi-polar nonionics, cationic surfactants, and mixtures thereof.
- 10. The composition of claim 9 wherein the pH is from about 8 to 10.5.
- 11. The composition of claim 9 wherein from about 0.3% to 0.8% of magnesium ions are present.
- 12. The composition of claim 9 wherein the pH is from about 8.5 to 9.5 and from about 0.3% to 0.8% of magnesium ions are present.
- 13. The composition of claim 1 wherein R in (a) is a C.sub.12 to C.sub.14 alkyl group.
- 14. A liquid composition of claim 1 comprising from about 12% to 30% of the surfactant mixture.
- 15. The composition of claim 1 wherein the surfactant mixture comprises from about 85% to 95% of the alkyl ethoxy carboxylates.
- 16. The composition of claim 15 wherein the surfactant mixture comprises from about 90% to 95% of the alkyl ethoxy carboxylates.
- 17. The composition of claim 13 wherein the surfactant mixture comprises from about 85% to 95% of the alkyl ethoxy carboxylates.
- 18. The composition of claim 17 wherein the surfactant mixture comprises from about 90% to 95% of the alkyl ethoxy carboxylates.
- 19. The composition of claim 1 wherein the surfactant mixture comprises less than about 8% of the alcohol ethoxylates.
- 20. The composition of claim 19 wherein the surfactant mixture comprises less than about 5% of the alcohol ethoxylates.
- 21. The composition of claim 1 wherein the surfactant mixture comprises less than about 5% of the soaps.
- 22. The composition of claim 13 wherein the surfactant mixture comprises from about 90% to 95% alkyl ethoxy carboxylates, less than about 5% alcohol ethoxylates, and less than 5% soaps.
- 23. The composition of claim 22 wherein the pH is from about 7 to 9.5 and from 0% to about 1.5% of magnesium ions are present.
- 24. The composition of claim 23 wherein the pH is from about 8.5 to 9.5 and from about 0.3% to about 0.8% of magnesium ions are present.
- 25. The composition of claim 22 further comprising from 0% to about 35% of a co-surfactant selected from the group consisting of alkyl ether sulfates, fatty acid ester sulfonates, alkyl sulfates, alkyl polyglucosides, and mixtures thereof.
- 26. The composition of claim 22 further comprising from 0% to about 15% of a suds booster selected from the group consisting of betaines, amine oxide semi-polar nonionics, fatty acid amides, and mixtures thereof.
- 27. The composition of claim 26 further comprising from 0% to about 35% of a co-surfactant selected from the group consisting of alkyl ether sulfates, fatty acid ester sulfonates, alkyl polyglucosides, and mixtures thereof, wherein from 0% to about 1.5% of magnesium ions are present and the pH is from about 7 to 9.5.
- 28. A gel composition of claim 1 comprising from about 28% to 35% of the surfactant mixture.
CROSS REFERENCE TO RELATED CASES
This is a continuation of application Ser. No. 516,292, filed on May 4, 1990, which is now abandoned which is a continuation-in-part of our copending application, Ser. No. 354,967, filed May 22, 1989, which application is now abandoned.
US Referenced Citations (14)
Foreign Referenced Citations (17)
Number |
Date |
Country |
0072600 |
Feb 1983 |
EPX |
0154380 |
Sep 1985 |
EPX |
0304763 |
Mar 1989 |
EPX |
2348323 |
Apr 1975 |
DEX |
48-60706 |
Aug 1973 |
JPX |
48-64102 |
Sep 1973 |
JPX |
49-37908 |
Apr 1974 |
JPX |
5024215 |
Mar 1975 |
JPX |
55-144099 |
Nov 1980 |
JPX |
57-202391 |
Dec 1982 |
JPX |
61-21199 |
Jan 1986 |
JPX |
2038506 |
Mar 1989 |
JPX |
456517 |
Nov 1936 |
GBX |
027481 |
Apr 1966 |
GBX |
1468856 |
Mar 1977 |
GBX |
1475064 |
Jun 1977 |
GBX |
2197338A |
May 1988 |
GBX |
Non-Patent Literature Citations (1)
Entry |
U.S.S.N. 354,968, Cripe, filed May 22, 1989. |
Continuations (1)
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Number |
Date |
Country |
Parent |
516292 |
May 1990 |
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Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
354967 |
May 1989 |
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