Leuco colorants as bluing agents in laundry care compositions
申请人:The Procter & Gamble Company
公开号:US11136535B2
公开(公告)日:2021-10-05
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.
A composition comprising: (a) a leuco composition; and (b) a stabilizing amount of an antioxidant composition. The antioxidant composition comprises at least one sterically hindered phenol and at least one substituted diarylamine, and the mole ratio of the hindered phenol to the substituted diarylamine is greater than 1:1. In another embodiment, a composition comprises (a) a leuco composition and (b) an antioxidant composition; and optionally (c) a solvent composition. The combined mass of the leuco compounds and antioxidants present in the composition is 10% or more of the total mass of the composition, and (b) the molar ratio of antioxidants present in the composition to leuco compounds present in the composition is greater than 1:1.