Stable liquid detergent compositions inhibiting dye transfer

• US 5,783,548 A
• Filed: 12/31/1996
• Issued: 07/21/1998
• Est. Priority Date: 11/06/1992
• Status: Expired due to Term

• Current Assignee: The Procter & Gamble Company
• Original Assignee: The Procter & Gamble Company
• Inventors: Goethals, Patrick Willy M., Fredj, Abdennaceur
• Primary Examiner(s): McAvoy, Ellen M.
• Application Number:
  US08/777,567
• Time in Patent Office: 567 Days
• Field of Search: 510/324, 510/325, 510/475
• US Class Current: 510/324
• CPC Class Codes: C11D 1/04 Carboxylic acids or salts thereof soap C11D9/00
• CPC Class Codes: C11D 1/146 Sulfuric acid esters
• CPC Class Codes: C11D 1/29 Sulfates of polyoxyalkylene ethers
• 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 1/72 Ethers of polyoxyalkylene glycols
• CPC Class Codes: C11D 3/0021 Dye-stain or dye-transfer inhibiting compositions
• CPC Class Codes: C11D 3/3792 Amine oxide containing polymers
• CPC Class Codes: C11D 3/42 Brightening agents ; Blueing agents

Abstract

The present invention relates to inhibiting dye transfer compositions comprising:

(A) from 0.01% to 5% of a polyamine N-oxide polymer,

(B) from 0.01% to 1% of a brightener, and

(C) from 5% to 30% of a non-aromatic anionic surfactant.

Claims

1. A liquid dye transfer inhibiting composition essentially free of aromatic anionic surfactants comprising:

(a) from 0.01% to 5% of a polyamine N-oxide containing polymer

(b) from 0.01% to 1% of a brightener

(c) from 5% to 30% of non-aromatic anionic surfactant

wherein said brightener comprises at least 40% or more of a hydrophobic brightener.

2. A dye transfer inhibiting composition according to claim 1 wherein the non-aromatic anionic surfactant is an ethoxylated surfactant.

3. A dye transfer inhibiting composition according to claim 2 wherein the polyamine N-oxide is polyvinylpyridine N-oxide.

4. A dye transfer inhibiting composition according to claim 2 which is a detergent additive, in the form of a liquid.

5. A detergent composition which comprises a dye transfer inhibiting composition according to claim 1 further comprising:

an additional amount of surfactant essentially free of aromatic anionic surfactants

a builder; and

an enzyme.

6. A liquid dye transfer inhibiting composition comprising:

(a) from 0.01% to 5% of an polyamine N-oxide containing polymer;

(b) from 0.01% to 1% of a brightener;

(c) from 5% to 30% of an anionic surfactant essentially free of non-aromatic anionic surfactants; and

wherein said brightener comprises at least 40% or more of a hydrophobic brightener.

7. The liquid dye transfer inhibiting composition according to claim 6, wherein the anionic surfactant comprises a mixture of sulfonate and sulphate surfactants having a weight ratio of sulfonate to sulphate in the range of from 5:

1 to 1;

2.

8. The liquid dye transfer inhibiting composition according to claim 6, wherein the anionic surfactant comprises a mixture of sulfonate and sulphate surfactants having a weight ratio of sulfonate to sulphate in the range of from 3:

1 to 2;

3.

9. The liquid dye transfer inhibiting composition according to claim 6, wherein the anionic surfactant comprises a mixture of sulfonate and sulphate surfactants having a weight ratio of sulfonate to sulphate in the range of from 3:

1 to 1;

1.

10. The dye transfer inhibiting composition according to claim 6, wherein the polyamine N-oxide containing polymer comprises amine and amine N-oxide groups and those groups are present within the range of ratios of amine to amine N-oxide of 10:

1 to 1;

1,000,000.

11. The liquid dye transfer inhibiting composition according to claim 6, wherein the polyamine N-oxide containing polymer comprises amine oxide units having a pKa less than 10.

12. The liquid dye transfer inhibiting composition according to claim 6, wherein the polyamine N-oxide containing polymer comprises amine oxide units having a pKa less than 6.

13. The liquid dye transfer inhibiting composition according to claim 6, wherein the polyamine N-oxide containing polymer has a molecular weight within the range of 500 to 1,000,000.

14. The liquid dye transfer inhibiting composition according to claim 6, wherein the polyamine N-oxide containing polymer has an average molecular weight within the range of 1,000 to 500,000.

15. The liquid dye transfer inhibiting composition according to claim 6, wherein the polyamine N-oxide containing polymer has an average molecular weight within the range of 5,000 to 100,000.

16. A detergent composition which comprises a liquid dye transfer inhibiting composition according to claim 6, further comprising:

an additional amount of surfactant essentially free of aromatic anionic surfactants;

a builder; and

an enzyme.

17. The detergent composition according to claim 16, wherein the builder comprises from 10% to 80% by weight of the detergent composition.

18. The detergent composition according to claim 16, wherein the builder comprises from 20% to 70% by weight of the detergent composition.

19. The detergent composition according to the claim 16, wherein the builder comprises from 30% to 60% by weight of the detergent composition.