Invention Grant
- Patent Title: Azomethine dye chromophores
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Application No.: US17294715Application Date: 2019-11-21
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Publication No.: US11344489B2Publication Date: 2022-05-31
- Inventor: Frank Bachmann , Beate Froehling , Christian Cremer , Marie-Pascale Perritaz , Volker Wendel
- Applicant: BASF SE
- Applicant Address: DE Ludwigshafen
- Assignee: BASF SE
- Current Assignee: BASF SE
- Current Assignee Address: DE Ludwigshafen
- Agency: Marshall, Gerstein & Borun LLP
- Priority: EP18207425 20181121
- International Application: PCT/EP2019/082009 WO 20191121
- International Announcement: WO2020/104564 WO 20200528
- Main IPC: A61Q5/10
- IPC: A61Q5/10 ; A61K8/49 ; A61K8/365 ; A61K8/41 ; A61Q5/06
Abstract:
A composition for dyeing keratin fibres comprising a. at least one azomethine compound selected from compounds (3) and (4) and b. water. The composition may be used in a process for dyeing keratin fibres or, with simultaneous or sequential application of a composition comprising one or more oxidising agents, in a process for lightening keratin fibres.
Public/Granted literature
- US20220016007A1 Azomethine Dye Chromophores Public/Granted day:2022-01-20
Information query
