Invention Grant
- Patent Title: Dyeing composition at acidic pH comprising a direct dye of triarylmethane structure
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Application No.: US16063757Application Date: 2016-12-20
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Publication No.: US11000464B2Publication Date: 2021-05-11
- Inventor: Frédéric Guerin , Valérie Nicou , Maria Nieto
- 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: FR1562992 20151221
- International Application: PCT/EP2016/081984 WO 20161220
- International Announcement: WO2017/108830 WO 20170629
- Main IPC: A61Q5/10
- IPC: A61Q5/10 ; A61K8/41 ; A61K8/31 ; A61K8/898 ; A61Q5/06

Abstract:
The present invention relates to a composition for dyeing keratin fibres comprising, in a cosmetically acceptable medium of acidic pH, the pH of which is preferably less than 5, one or more direct dyes of triarylmethane structure, which are preferably cationic. The invention also relates to a process for dyeing keratin fibres using said composition and also to a use for dyeing keratin fibres.
Public/Granted literature
- US20200268629A1 DYEING COMPOSITION AT ACIDIC PH COMPRISING A DIRECT DYE OF TRIARYLMETHANE STRUCTURE Public/Granted day:2020-08-27
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