STRUCTURED FLUID DETERGENT COMPOSITIONS COMPRISING DIBENZYLIDENE POLYOL ACETAL DERIVATIVES AND DETERSIVE ENZYMES

• US 20100240571A1
• Filed: 03/16/2010
• Published: 09/23/2010
• Est. Priority Date: 03/18/2009
• Status: Active Grant

• Current Assignee: The Procter & Gamble Company
• Original Assignee: The Procter & Gamble Company
• Inventors: Boulliche, Myriam, Boutique, Jean-Pol, Tremblay, Mario Elmen, Beckholt, Dennis Allen, Murthy, Sohan Rajpanth, Burckett St. Laurent, James Charles Theophile Roger
• Granted Patent: US 8,153,574 B2
• Time in Patent Office: Days
• US Class Current: 510/338
• CPC Class Codes: C11D 17/0026 Structured liquid compositions, e.g. liquid crystalline phases or network containing non-Newtonian phase
• CPC Class Codes: C11D 17/003 Colloidal solutions, e.g. gels; Thixotropic solutions or pastes
• CPC Class Codes: C11D 3/2072 Aldehydes-ketones
• CPC Class Codes: C11D 3/386 Preparations containing enzymes , e.g. protease or amylase

Abstract

Fluid detergent compositions comprising an external structurant comprising dibenzylidene polyol acetal derivatives for providing desired rheological benefits such as product thickening, shear thinning behavior, as well as particle suspension capabilities, and a detersive enzyme such as lipase.

Claims

1. A fluid detergent composition comprising:

a. from about 0.01% to about 70% by weight of a surfactant system comprising an anionic surfactant, a nonionic surfactant or a mixture thereof;

b. from about 0.01% to about 10% by weight of a dibenzylidene polyol acetal derivative;

c. from about 0.0001% to about 8% by weight of a detersive enzyme; and

d. a composition pH of greater than about 6.

2. The fluid detergent composition of claim 1, wherein the dibenzylidene polyol acetal derivative comprises a sorbitol derivative, a ribitol derivative, a xylitol derivative, or a mixture thereof.

3. The fluid detergent composition of claim 2, essentially free of a threitol derivative.

4. The fluid detergent composition of claim 1, wherein said fluid detergent comprises less than about 1% by weight of said dibenzylidene polyol acetal derivative.

5. The fluid detergent composition of claim 1, wherein said dibenzylidene polyol acetal is a dibenzylidene polyol sorbitol derivative, selected from the group consisting of:

1,3;

2,4-dibenzylidene sorbitol;

1,3;

2,4-di(p-methylbenzylidene) sorbitol;

1,3;

2,4-di(p-chlorobenzylidene) sorbitol;

1,3;

2,4-di(2,4-dimethyldibenzylidene) sorbitol;

1,3;

2,4-di(p-ethylbenzylidene) sorbitol;

1,3;

2,4-di(3,4-dimethyldibenzylidene) sorbitol, and mixtures thereof.

6. The fluid detergent composition of claim 1, wherein said dibenzylidene polyol acetal is a dibenzylidene polyol sorbitol derivative, selected from the group consisting of:

a mono(3-chloro-4-methylbenzylidene)-D-sorbitol;

a mono(3,4-dimethoxybenzylidene)-D-sorbitol;

a mono(3-ethyl-4-methylbenzylidene)-D-sorbitol;

a mono(3-methyl-4-ethylbenzylidene)-D-sorbitol;

a mono(3-propyl-4-methylbenzylidene)-D-sorbitol;

a mono(3,4-diethylbenzylidene)-D-sorbitol;

a mono(3,4-dichlorobenzylidene)-D-sorbitol;

a mono(3,4-dimethylbenzylidene)-D-sorbitol;

a mono(3,4-dipropylbenzylidene)-D-sorbitol;

a mono(3,4-diethoxybenzylidene)-D-sorbitol;

a mono(3,4-diisopropoxybenzylidene)-D-sorbitol and like sorbitol derivatives;

a mono(3-ethyl-4-methylbenzylidene)-xylitol, a mono(3-methyl-4-ethylbenzylidene)-xylitol, a mono(3-propyl-4-methylbenzylidene)-xylitol, a mono(3,4-diethylbenzylidene)-xylitol, a mono(3,4-dichlorobenzylidene)-xylitol, a mono(3,4-dimethylbenzylidene)-xylitol, a mono(3,4-dipropylbenzylidene)-xylitol, a mono(3-chloro-4-methylbenzylidene)-xylitol, a mono(3,4-dimethoxybenzylidene)-D-xylitol and like xylitol derivatives, and mixtures thereof.

7. The fluid detergent composition of claim 1, wherein said dibenzylidene polyol acetal is a dibenzylidene polyol sorbitol derivative, having the formula:

8. The fluid detergent composition of claim 1, wherein the detersive enzyme comprises a lipase enzyme.

9. The fluid detergent composition of claim 8, wherein the detersive enzyme further comprises a cellulase enzyme, an endoglucanase enzyme, a hemicellulase enzyme, a peroxidase enzyme, a protease enzyme, a gluco-amylase enzyme, an amylase enzyme, a lipase enzyme, a cutinase enzyme, a pectinase enzyme, a xylanase enzyme, a reductase enzyme, a oxidase enzyme, a phenoloxidase enzyme, a lipoxygenase enzyme, a ligninase enzyme, a pullulanase enzyme, a tannase enzyme, a pentosanase enzyme, a malanase enzyme, a β

-glucanase enzyme, a arabinosidase enzyme, a mannanase enzyme, a xyloglucanases or a mixture thereof.

10. The fluid detergent composition of claim 1, wherein said fluid detergent further comprises from about 2% to about 10% by weight of water.

11. The fluid detergent composition of claim 10, wherein said fluid detergent further comprises from about 1% to about 15% by weight of an organic solvent.

12. The fluid detergent composition of claim 1, further comprising from about 0.1% to about 10% of a fabric substantive agent selected from the group consisting of:

silicon-moiety containing agents, anti-abrasion polymers, dye fixative agents, optical brighteners, fabric substantive perfumes, encapsulated fabric treatment actives, soil release polymers, photobleaches, bleaches, bleach precursors, and mixtures thereof.

13. The fluid detergent composition of claim 1, further comprising from about 0.01% to about 5% of a suspension particle.

14. The fluid detergent composition of claim 1, further comprising a secondary structurant selected from the group consisting of coated or non-coated bacterial cellulase, non-polymeric crystalline hydroxyl-functional materials, and polymeric structuring agents.

15. The fluid detergent composition of claim 1, wherein the anionic surfactant is selected from the group consisting of C₁₁-C₁₈ alkyl benzene sulfonates, C₁₀-C₂₀ branched-chain and random alkyl sulfates, C₁₀-C₁₈ alkyl ethoxy sulfates wherein x is from 1-30, mid-chain branched alkyl sulfates, mid-chain branched alkyl alkoxy sulfates, C₁₀-C₁₈ alkyl alkoxy carboxylates comprising 1-5 ethoxy units, modified alkylbenzene sulfonate, C₁₂-C₂₀ methyl ester sulfonate, C₁₀-C₁₈ alpha-olefin sulfonate, C₆-C₂₀ sulfosuccinates, and mixtures thereof.

16. The fluid detergent composition of claim 1, wherein the nonionic surfactant is selected from the group consisting of C₉-C₁₈ alkyl ethoxylates, C₆-C₁₂ alkyl phenol alkoxylates, C₁₂-C₁₈ alcohol and C₆-C₁₂ alkyl phenol condensates with ethylene oxide/propylene oxide block polymers, C₁₄-C₂₂ mid-chain branched alcohols, C₁₄-C₂₂ mid-chain branched alkyl alkoxylates, alkylpolyglycosides, polyhydroxy fatty acid amides, ether capped poly(oxyalkylated) alcohols, fatty acid (C_12-18) sorbitan esters, and mixtures thereof.

17. The fluid detergent composition of claim 1, wherein said composition has a turbidity of less than about 1000 NTU.

18. The fluid detergent composition of claim 17, wherein said fluid detergent composition is at least partially enclosed in a package selected from the group consisting of a clear or transparent bottle and a clear or transparent pouch.

19. A process of making a fluid detergent composition comprising the steps of:

a. providing a premix comprising an external structurant comprising a dibenzylidene polyol acetal derivative and an organic carrier; and

b. combining the premix with a detergent feed, said detergent feed comprising an anionic surfactant.

wherein said step of providing said premix is optionally performed at a temperature above about 80°

C., and said step of combining said premix with said detergent feed is optionally conducted at a temperature of less than about 80°

C.

20. The use of dibenzylidene polyol acetal derivative or a premix according to step (a) of claim 19 in a laundry detergent composition.