Invention Grant
- Patent Title: Leuco colorants and compositions
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Application No.: US16157917Application Date: 2018-10-11
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Publication No.: US10717874B2Publication Date: 2020-07-21
- Inventor: Haihu Qin , Sanjeev K. Dey , Wesley A. Freund , Randy D. Petrea , Gregory S. Miracle
- Applicant: Milliken & Company
- Applicant Address: US SC Spartanburg
- Assignee: Milliken & Company
- Current Assignee: Milliken & Company
- Current Assignee Address: US SC Spartanburg
- Agent Robert M. Lanning
- Main IPC: C09B9/00
- IPC: C09B9/00 ; C09B11/12 ; C11D3/42 ; C09B11/06 ; C11D3/40 ; C09B69/00

Abstract:
A leuco composition comprises at least one leuco compound, the leuco compound comprising a leuco moiety and a polyalkyleneoxy moiety covalently bound to the leuco moiety. The polyalkyleneoxy moiety comprises at least one ethylene oxide group and at least one propylene oxide group. A laundry care composition comprises (a) at least one laundry care ingredient and (b) a leuco composition as described above. 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
- US20190177544A1 LEUCO COLORANTS AND COMPOSITIONS Public/Granted day:2019-06-13
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