Claims
- 1. A fabric care composition comprising:
A dye fixing agent; N-heterocyclic polymer; and A nonionic surfactant.
- 2. The fabric care composition of claim 1 which further comprises a chelating agent.
- 3. The fabric care composition of claim 2 wherein the nonionic surfactant is in the concentration range of about 0.1 to 60 wt. %.
- 4. The fabric care composition of claim 3 wherein the nonionic surfactant is in the concentration range of about 0.1 to 20 wt. %.
- 5. The fabric care composition of claim 3 which is buffered to remain in the pH range of about 7 to 8.5.
- 6. The fabric care composition of claim 1 wherein said dye fixing agent is present in the concentration range of about 0.1 to 20 wt. %.
- 7. The fabric care composition of claim 6 wherein said dye fixing agent is present in the concentration range of about 1 to 10 wt. %.
- 8. The fabric care composition of claim 1 wherein said N-heterocyclic polymer is present in the concentration range of about 0.01 to 10 wt. %.
- 9. The fabric care composition of claim 8 wherein said N-heterocyclic polymer is present in the concentration range of about 0.1 to 5 wt. %.
- 10. The fabric care composition of claim 2 wherein said chelating agent is present in the concentration range of about 0.001 to 10 wt. %.
- 11. The fabric care composition of claim 10 wherein said chelating agent is present in the concentration range of about 0.05 to 1 wt. %.
- 12. The fabric care composition of claim 1 wherein said dye fixing agent is selected from quaternized organic nitrogen compounds and non-quaternized cationic organic nitrogen compounds.
- 13. The fabric care composition of claim 1 wherein said N-heterocyclic polymer is selected from polyvinyloxazolidones, 4-vinyl pyridine polymers, 2-vinyl pyridine polymers, 4-vinyl pyridinium polymers, 2-vinyl pyridinium polymers or mixtures thereof.
- 14. The fabric care composition of claim 2 wherein said chelating agent is selected from polyaminocarboxylic acids or salts thereof, iminodisuccinate derivatives, phosphonates, citrates, phosphates, and carboxymethyloxy succinate derivatives.
- 15. A process for pretreating colored fabric with an aqueous treatment composition according to claim 1, said process comprising the steps of contacting said fabric with said composition for a predetermined time before said fabric is washed.
- 16. The process of claim 15 wherein the concentration of said dye fixative in the aqueous treatment composition is in the concentration range of about 0.0008 to 0.16 wt. % and the N-heterocyclic polymer is in the concentration range of about 0.00008 to 0.08 wt. %.
- 17. The process of claim 16 further comprising treatment with a chelating agent wherein the concentration of said chelating agent in the aqueous treatment composition is in the concentration range of about 0.00004 to 0.04 wt. %.
- 18. The process of claim 17 wherein the aqueous treatment composition has a pH range of about 7.0 to 8.5.
- 19. A process for washing colored fabrics simultaneously with a detergent solution, and a composition according to claim 1, said process comprising the steps of adding said composition into said detergent solution, said detergent solution having a concentration of surfactants in the range of about 1.0 to 0.08 wt %.
- 20. The process of claim 19 wherein said surfactants includes one or more anionic surfactants, said anionic surfactants being collectively present in the range of about 0.0046 to 0.065 wt % in said detergent solution.
- 21. The process of claim 19 wherein the pH of said detergent solution is in the range of about 7.0 to 9.5.
- 22. The process of claim 19 wherein the concentration of said dye fixative in said detergent solution is in the concentration range of about 0.0001 to 0.02 wt. % and the N-heterocyclic polymer is in the concentration range of about 0.00001 to 0.01 wt. %.
- 23. The process of claim 19 further comprising treatment with a chelating agent wherein the concentration of said chelating agent in the detergent solution is in the concentration range of about 0.000005 to 0.005 wt. %.
Parent Case Info
[0001] This application claims the benefit of U.S. provisional application No. 60/172,421 filed Dec. 17, 1999; and No. 60/229,201 filed Aug. 31, 2000.
Provisional Applications (2)
|
Number |
Date |
Country |
|
60172421 |
Dec 2000 |
US |
|
60229201 |
Aug 2000 |
US |