Invention Grant
US09226883B2 Particular azomethine direct dyes, dye composition comprising at least one such compound, implementation process therefore and use thereof
有权
特定的偶氮甲碱直接染料，包含至少一种这样的化合物的染料组合物，因此其实施方法及其用途
- Patent Title: Particular azomethine direct dyes, dye composition comprising at least one such compound, implementation process therefore and use thereof
- Patent Title (中): 特定的偶氮甲碱直接染料，包含至少一种这样的化合物的染料组合物，因此其实施方法及其用途
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Application No.: US14365211Application Date: 2012-12-11
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Publication No.: US09226883B2Publication Date: 2016-01-05
- Inventor: Stephane Sabelle , Madeleine Leduc
- Applicant: L'OREAL
- Applicant Address: FR Paris
- Assignee: L'OREAL
- Current Assignee: L'OREAL
- Current Assignee Address: FR Paris
- Agency: The Marbury Law Group, PLLC
- Priority: FR1161573 20111213
- International Application: PCT/EP2012/075103 WO 20121211
- International Announcement: WO2013/087636 WO 20130620
- Main IPC: A61Q5/10
- IPC: A61Q5/10 ; A61K8/41 ; C09B55/00 ; A61Q5/06 ; A61K8/34 ; A61K8/35 ; A61K8/42 ; A45D19/00 ; A45D34/00 ; A61K8/368
Abstract:
The present invention relates to direct dyes of azomethine type of formula (I) below; and also to the use thereof for dyeing keratin fibers, in particular human keratin fibers such as the hair. The invention also relates to a composition for dyeing keratin fibers, comprising such direct dyes in a suitable dyeing medium. Similarly, a subject of the invention is a process for dyeing keratin fibers using the said dye composition, and also a device comprising the same. Finally, the present invention also relates to precursors of these direct dyes.
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