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US 10,676,699 B2Granted
Leuco colorants as bluing agents in laundry care compositions
AssigneeThe Procter & Gamble Company
InventorsGregory Scot Miracle, Daniel Dale Ditullio
Life of this patent
Estimating the term…
Abstract
A laundry care composition including: (a) at least one laundry care ingredient and (b) a leuco composition. The laundry care composition after 30 days of storage at 25° C. provides a whiteness benefit to cotton upon washing that is greater than the initial whiteness benefit. Methods of treating textiles with such laundry care compositions.
Claims19
A laundry care composition comprising:
- (a) at least one laundry care ingredient and (b) a leuco composition, wherein the laundry care composition has a Whiteness Improvement Number (WINx) of at least 5% after 14 days of storage at 50° C.
Dependencies are inferred from the claim text.