Invention Grant
- Patent Title: Leuco colorants as bluing agents in laundry care composition
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Application No.: US16157125Application Date: 2018-10-11
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Publication No.: US10717950B2Publication Date: 2020-07-21
- Inventor: Gregory Scot Miracle , Daniel Dale Ditullio, Jr. , Haihu Qin , Sanjeev Kumar Dey , Wesley A. Freund , Randy D. Petrea
- Applicant: The Procter & Gamble Company
- Applicant Address: US OH Cincinnati
- Assignee: The Procter & Gamble Company
- Current Assignee: The Procter & Gamble Company
- Current Assignee Address: US OH Cincinnati
- Agent John T. Dipre
- Main IPC: C09B9/00
- IPC: C09B9/00 ; C11D3/42 ; C11D3/40 ; C09B43/26 ; C09B67/00 ; C11D1/83 ; C11D11/00 ; C11D1/14 ; C11D1/29 ; C11D1/62 ; C11D1/722

Abstract:
A laundry care composition including (a) at least one laundry care ingredient and (b) a leuco composition including at least one leuco compound. The leuco compound including a leuco moiety and a polyalkyleneoxy moiety covalently bound to the leuco moiety. The polyalkyleneoxy moiety includes at least one ethylene oxide group and at least one propylene oxide group. A method of treating a textile includes the steps of (a) providing such a laundry care composition; (b) adding the laundry care composition to a liquid medium; (c) placing textile articles in the liquid medium; (d) optionally, rinsing the textile; and (e) drying the textile articles.
Public/Granted literature
- US20190112558A1 LEUCO COLORANTS AS BLUING AGENTS IN LAUNDRY CARE COMPOSITION Public/Granted day:2019-04-18
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