Invention Grant
- Patent Title: Dark coloured azo dyes
- Patent Title (中): 深色偶氮染料
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Application No.: US13152916Application Date: 2011-06-03
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Publication No.: US08152861B2Publication Date: 2012-04-10
- Inventor: Markus Speckbacher , Jessica Chassot , Hans-Jürgen Braun
- Applicant: Markus Speckbacher , Jessica Chassot , Hans-Jürgen Braun
- Applicant Address: US OH Cincinnati
- Assignee: The Procter & Gamble Company
- Current Assignee: The Procter & Gamble Company
- Current Assignee Address: US OH Cincinnati
- Agent Carl J. Roof
- Priority: EP06122740 20061023
- Main IPC: A61K8/41
- IPC: A61K8/41 ; C09B67/02 ; A61Q1/02 ; C07D413/12 ; C07D211/08 ; C07D211/06 ; C07D277/20

Abstract:
The present invention relates to a) a non-oxidative coloring agent for keratin fibers, in particular human hair, comprising at least one dye according to formula (I) or (II), b) an oxidative coloring agent for keratin fibers, in particular human hair, which comprises at least one oxidizing agent (e.g. hydrogen peroxide), at least one oxidative dye precursor and at least one dye according to formula (I) or (II), and c) a lightening agent for keratin fibers, in particular human hair, which comprises at least one oxidizing agent (e.g. hydrogen peroxide) and at least one dye according to formula (I) or (II), with R4 being a cationic group.
Public/Granted literature
- US20110225742A1 Dark Coloured Azo Dyes Public/Granted day:2011-09-22
Information query