Patent ID: 7829517

Claim:
A solid laundry detergent composition comprising: A) a non-ionic detersive surfactant system comprising: a) an alkyl polyglucoside; and b) a C10-C18 alkyl alkoxylated alcohol having an average degree of alkoxylation of from 1 to 10; and B) a mixture of reactive azo dyes, the mixture comprising: i) 3 wt. % to 90 wt. %, based on the total weight of the mixture, of a first reactive azo dye having the formula (II): and ii) at least 3 wt. %, based on the total weight of the mixture, of at least one second reactive azo dye selected from black or blue reactive azo dyes according to the general formula (I): wherein A′ and B′ are independently selected from aromatic groups substituted or unsubstituted by halogen, C1-C4 alkyl groups, C1-C4 alkoxyl groups, sulfonyl groups, or amino groups, wherein the solid laundry detergent composition is essentially free of anionic detersive surfactant and sodium sulfate.