Invention Grant
US09439844B2 Tri-aromatic azomethine direct dyes comprising at least one unit derived from resorcinol, dyeing composition, method and use
有权
包含至少一种源自间苯二酚的单元，染色组合物，方法和用途的三芳族偶氮甲碱直接染料
- Patent Title: Tri-aromatic azomethine direct dyes comprising at least one unit derived from resorcinol, dyeing composition, method and use
- Patent Title (中): 包含至少一种源自间苯二酚的单元，染色组合物，方法和用途的三芳族偶氮甲碱直接染料
-
Application No.: US14365228Application Date: 2012-12-13
-
Publication No.: US09439844B2Publication Date: 2016-09-13
- Inventor: Stephane Sabelle , Madeline 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: FR1161580 20111213
- International Application: PCT/EP2012/075388 WO 20121213
- International Announcement: WO2013/087772 WO 20130620
- Main IPC: A61Q5/10
- IPC: A61Q5/10 ; A61K8/41 ; A61Q5/06 ; C09B55/00 ; A61K8/34 ; A61K8/35 ; A61K8/42
Abstract:
The present invention relates to azomethine-type direct dyes with a tri-aromatic unit having the following formula (I): and their use for coloring keratin fibers, particularly human keratin fibers such as the hair. The invention also relates to a composition for dyeing keratin fibers comprising, in a suitable medium for dyeing, such direct dyes. Another subject of the present invention is a method for dyeing keratin fibers using said dyeing composition. Finally the present invention also relates to precursors for these direct dyes.
Public/Granted literature
Information query
