Granted Patent B2

US 7,030,069 · App. 10/994,689 · Granted Apr 18, 2006

Abstract

Claims (10)

1. A liquid laundry detergent composition comprising:

(a) from 5% to 70% by weight of surfactant material other than fatty acid soap;

(b) from 2 to 10% by weight of a fatty acid soap selected from oleic fatty acid, coconut fatty acid and palm kernel fatty acid, wherein at least 1% by weight based on the liquid composition of the fatty acid soap is unsaturated;

(c) from 0.01% to 3% by weight of a perfume composition wherein the perfume composition comprises at least 0.1% by weight based on the liquid composition of a perfume component selected from terpene, ketone, aldehydic perfume and mixtures thereof;

(d) an effective amount of water soluble dye selected from the group consisting of anthraquinone-based, azo-based and triarylmethane-based;

(e) an effective amount of an enzyme; and

(f) from 0.01% to 0.08% by weight of an antioxidant selected from the group consisting of 2,6-di-tert-butyl-hydroxy-toluene, α-, β-, γ-, δ-tocopherol, benzisothiazoline-3-one and mixtures thereof.

2. A liquid composition according to claim 1 , wherein the composition comprises from 0.0001% to 0.5% by weight of the dye material.

3. A liquid composition according to claim 1 , wherein the dye material is selected from acid blue 80, brilliant blue and patent blue.

4. A method of cleaning a fabric substrate, comprising the steps of treating the substrate with a liquid composition as defined in claim 1 in an aqueous environment, rinsing the substrate and drying it.

Assignments (8)