Claims
- 1. A liquid detergent composition having increased suds volume and suds retention suitable for use in hand dishwashing, said compositions comprising:
a) an effective amount of a quaternary nitrogen-containing monomeric unit or zwitterionic monomeric unit-containing polymeric suds enhancer, said enhancer comprising:
i) units selected from the group consisting of units having the formula: 62wherein R1 is a hydrogen or a methyl group; R2, R3 and R4 are linear or branched C1-C4 alkyl groups; n represents an integer from 1 to 4; and X− represents a counterion which is compatible with the water-soluble or water-dispersible nature of the polymer; 63wherein R5, R6, R7 and R8 are independently H, or a C1-C4 alkyl group, preferably a methyl group; k is an integer from 1 to 4, preferably 2; and X− represents a counterion which is compatible with the water-soluble or water-dispersible nature of the polymer, preferably Cl−; and 64wherein R1 and R2 are independently H or a C1-C4 alkyl group; 65wherein R9 and R10 are independently H, or a C1-C4 alkyl group; and m is an integer from 1 to 4; and mixtures thereof; provided that said suds enhancer has an average cationic charge density of 2.8 or less units per 100 daltons molecular weight at a pH of from about 4 to about 12; b) an effective amount of a detersive surfactant; and c) the balance carriers and other adjunct ingredients; provided that a 10% aqueous solution of said detergent composition has a pH of from about 4 to about 12.
- 2. The composition according to claim 1 wherein said quaternary nitrogen-containing or zwitterionic polymeric suds enhancer (a) further comprises:
ii) one or more units having one or more hydroxyl groups, provided that said suds enhancer has a hydroxyl group density of 0.5 or less.
- 3. The composition according to claim 1 wherein said quaternary nitrogen-containing or zwitterionic polymeric suds enhancer (a) further comprises:
iii) one or more units having one or more hydrophobic groups selected from the group consisting of non-hydroxyl groups, non-cationic groups, non-anionic groups, non-carbonyl groups, and/or non-H-bonding groups.
- 4. The composition according to claim 1 wherein said quaternary nitrogen-containing or zwitterionic polymeric suds enhancer has an average cationic charge density of from about 0.01 to about 2.8 units per 100 daltons molecular weight at a pH of from about 4 to about 12.
- 5. The composition according to claim 4 wherein said quaternary nitrogen-containing or zwitterionic polymeric suds enhancer has an average cationic charge density of from about 0.1 to about 2.75 units per 100 daltons molecular weight at a pH of from about 4 to about 12.
- 6. The composition according to claim 5 wherein said quaternary nitrogen-containing or zwitterionic polymeric suds enhancer has an average cationic charge density of from 0.75 to about 2.25 units per 100 daltons molecular weight at a pH of from about 4 to about 12.
- 7. The composition according to claim 2 wherein said quaternary nitrogen-containing or zwitterionic polymeric suds enhancer has a hydroxyl group density of from about 0.0001 to about 0.4.
- 8. The composition according to claim 1 wherein said quaternary nitrogen-containing or zwitterionic polymeric suds enhancer (a) further comprises a hydrophilic group-containing unit.
- 9. The composition according to claim 1 wherein said quaternary nitrogen-containing or zwitterionic polymeric suds enhancer (a) further comprises an anionic unit.
- 10. The composition according to claim 1 wherein said quaternary nitrogen-containing or zwitterionic polymeric suds enhancer (a) further comprises:
iv) units capable of having an anionic charge at a pH of from about 4 to about 12; v) units capable of having an anionic charge and a cationic charge at a pH of from about 4 to about 12; vi) units having no charge at a pH of from about 4 to about 12; and vii) mixtures of units (iv), (v), (vi), and (vii).
- 11. The composition according to claim 1 wherein said quaternary nitrogen-containing or zwitterionic polymeric suds stabilizer has an average molecular weight of from about 1,000 to about 2,000,000 daltons.
- 12. The composition according to claim 1 further comprising from about 0.25% to about 15% of a diamine having molecular weight less than or equal to 400 g/mol.
- 13. The composition according to claim 12 wherein said diamine is 1,3-bis(methylamine)-cyclohexane.
- 14. The composition according to claim 12 wherein said diamine has the formula:
- 15. The composition according to claim 14 wherein each R20 is hydrogen and X is C3-C6 linear alkylene, C3-C6 branched alkylene, and mixtures thereof.
- 16. The composition according to claim 1 wherein the detersive surfactant (b) is selected from the group consisting of linear alkyl benzene sulfonates, a-olefin sulfonates, paraffin sulfonates, methyl ester sulfonates, alkyl sulfates, alkyl alkoxy sulfates, alkyl sulfonates, alkyl alkoxy carboxylates, alkyl alkoxylated sulfates, sarcosinates, taurinates, and mixtures thereof.
- 17. The composition according to claim 1, wherein said other adjuncts ingredients (c) is selected from the group consisting of: soil release polymers, polymeric dispersants, polysaccharides, abrasives, bactericides, tarnish inhibitors, builders, enzymes, opacifiers, dyes, perfumes, thickeners, antioxidants, processing aids, suds boosters, buffers, antifungal or mildew control agents, insect repellants, anti-corrosive aids, chelants and mixtures thereof.
- 18. The composition according to claim 1, wherein said detersive surfactant (b) is selected from the group consisting of amine oxides, polyhydroxy fatty acid amides, betaines, sulfobetaines, alkyl polyglycosides, alkyl ethoxylates, and mixtures thereof.
- 19. The composition according to claim 1, wherein said quaternary nitrogen-containing or zwitterionic polymeric suds stabilizer (a) is a proteinaceous suds enhancer.
- 20. The composition according to claim 1, further comprising an enzyme selected from the group consisting of protease, amylase, and mixtures thereof.
- 21. The composition according to claim 1, wherein said quaternary nitrogen-containing or zwitterionic polymeric suds stabilizer comprises a cationic unit of the formula:
- 22. The composition according to claim 21, wherein said quaternary nitrogen-containing or zwitterionic polymeric suds enhancer (a) comprises a cationic unit of the formula selected from the group consisting of:
- 23. A method for providing extended suds volume and suds duration when dishware in need of cleaning is washed, comprising the step of contacting said dishware with an aqueous solution of a liquid detergent comprising:
a) an effective amount of a quaternary nitrogen-containing or zwitterionic polymeric suds enhancer, said stabilizer comprising:
i) units capable of having a cationic charge at a pH of from about 4 to about 12; provided that said suds enhancer has an average cationic charge density of 0.0275 or less units per 100 daltons molecular weight at a pH of from about 4 to about 12; b) an effective amount of a detersive surfactant; and c) the balance carriers and other adjunct ingredients; provided that a 10% aqueous solution of said detergent composition has a pH of from about 4 to about 12.
RELATED APPLICATIONS
[0001] This application claims priority under 35 U.S.C. §119(e) to U.S. Provisional Application No. 60/259,962, filed Jan. 5, 2001.
Provisional Applications (1)
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Number |
Date |
Country |
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60259962 |
Jan 2001 |
US |