Leuco polymers as bluing agents in laundry care compositions
AssigneeMilliken & Company
InventorsSanjeev K. Dey, Gregory S. Miracle
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Abstract
A leuco polymer comprising a polyethylenimine and at least one leuco moiety covalently bound to the polyethylenimine, wherein the polyethylenimine comprises three or more amine nitrogen atoms and 1 mol. % or more of amine hydrogen atoms in the polyethylenimine are replaced with a moiety selected from the group consisting of 2-hydroxypropyl, 1-hydroxypropane-2-yl, and polyalkoxy groups. Methods of making the leuco polymer, laundry care compositions comprising the leuco polymer and methods of treating textiles with such laundry care compositions.
Claims18
A leuco polymer comprising a polyethylenimine and at least one leuco moiety covalently bound to the polyethylenimine, wherein the polyethylenimine comprises three or more amine nitrogen atoms and 20 mol. % or more of amine hydrogen atoms in the polyethylenimine are replaced with a moiety selected from the group consisting of 2-hydroxypropyl, 1-hydroxypropane-2-yl, and polyalkoxy groups,
- wherein the leuco moiety is selected from the group consisting of diarylmethane leuco moieties, triarylmethane leuco moieties, oxazine moieties, thiazine moieties, hydroquinone moieties, and arylaminophenol moieties.
Dependencies are inferred from the claim text.