Invention Grant
- Patent Title: Use for dyeing keratin fibres of a compound of azomethine type bearing two pyrazolopyridine units
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Application No.: US15536747Application Date: 2015-12-17
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Publication No.: US10240043B2Publication Date: 2019-03-26
- Inventor: Aziz Fadli , Stephane Blais
- 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: FR1463006 20141219
- International Application: PCT/EP2015/080323 WO 20151217
- International Announcement: WO2016/097198 WO 20160623
- Main IPC: A61Q5/10
- IPC: A61Q5/10 ; C09B55/00 ; A61Q5/06 ; C07D471/04 ; C09B69/10 ; A61K8/49

Abstract:
The invention relates to a compound chosen from the compounds of formulae (I) and (II), the leucoforms thereof, the optical and geometrical isomers thereof and the tautomers thereof, and also the addition salts thereof with an acid or a base, and the solvates thereof. The invention also relates to the use of these particular compounds for dyeing keratin fibres.
Public/Granted literature
- US20170349753A1 USE FOR DYEING KERATIN FIBRES OF A COMPOUND OF AZOMETHINE TYPE BEARING TWO PYRAZOLOPYRIDINE UNITS Public/Granted day:2017-12-07
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