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US 11,136,535 B2Granted
Leuco colorants as bluing agents in laundry care compositions
AssigneeThe Procter & Gamble Company
InventorsGregory Scot Miracle, Daniel Dale Ditullio, Jr., Brian Joseph Loughnane, Samantha Jo Cost, Sanjeev Kumar Dey, Haihu Qin, Wesley A. Freund
Life of this patent
Estimating the term…
Abstract
A laundry care composition comprising: (a) at least one laundry care ingredient, (b) a leuco composition; (c) a stabilizing amount of an antioxidant composition which comprises at least one phenol selected from the group consisting of alkylated phenol, hindered phenol, and mixtures thereof and at least one substituted diarylamine, wherein the mole ratio of the phenol to the substituted diarylamine is greater than 1:1.
Claims20
A laundry care composition comprising:
- (a) at least one laundry care ingredient, (b) a leuco composition;
- and (c) a stabilizing amount of an antioxidant composition which comprises at least one phenol selected from the group consisting of alkylated phenol, hindered phenol, and mixtures thereof and at least one substituted diarylamine, wherein the mole ratio of the phenol to the substituted diarylamine is greater than 1:1.
Dependencies are inferred from the claim text.