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US 2011/0257065 A1Published application
Detergent Composition
OwnerAlan Thomas Brooker, Gregory Scot Miracle +2inventors
InventorsAlan Thomas Brooker, Gregory Scot Miracle, Nigel Patrick Somerville Roberts, Colin Ure
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Abstract
Laundry detergent composition having: a specific bleach catalyst a hueing dye, and a source of peracid, wherein the hueing dye is released faster in a wash liquor than the bleach catalyst or the source of peracid.
Claims11
Laundry detergent composition comprising:
- bleach catalyst of formula:
- wherein R1 is selected from the group consisting of:
- H, a branched alkyl group containing from 3 to 24 carbons, and a linear alkyl group containing from 1 to 24 carbons;
- R2 is independently selected from the group consisting of:
- H, a branched alkyl group comprising from 3 to 12 carbons, and a linear alkyl group comprising from 1 to 12 carbons;
- n is an integer from 0 to 1;
- hueing dye, and
- a source of peracid,
- wherein either Y/X is below 0.8, with X being the weight percentage of hueing dye of the detergent composition that is released in the wash liquor after 1 min, and Y being the weight percentage of said bleach catalyst that is released in the wash liquor after 1 min, when 10 g of said laundry detergent composition are mixed with 1 l of deionised water at 25° C. to form a wash liquor, or wherein Z/X is below 0.8, with X being the weight percentage of hueing dye of the detergent composition that is released in the wash liquor after 1 min, and Z being the weight percentage of peracid that is released in the wash liquor after 1 min, when 10 g of said laundry detergent composition are mixed with 1 l of deionised water at 25° C. to form a wash liquor.
6 more elements
Dependencies are inferred from the claim text.