Invention Grant
- Patent Title: Process for oxidative dyeing hair
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Application No.: US15757831Application Date: 2016-03-15
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Publication No.: US10398634B2Publication Date: 2019-09-03
- Inventor: Bernd Nöcker , Steven Breakspear , Anja Aechtner , Manfred Dürr
- Applicant: KAO GERMANY GMBH
- Applicant Address: DE Darmstadt
- Assignee: KAO GERMANY GMBH
- Current Assignee: KAO GERMANY GMBH
- Current Assignee Address: DE Darmstadt
- Agency: Norris McLaughlin, P.A.
- Priority: EP15184315 20150908
- International Application: PCT/EP2016/055591 WO 20160315
- International Announcement: WO2017/041910 WO 20170316
- Main IPC: A61Q5/10
- IPC: A61Q5/10 ; A61K8/44 ; A61K8/25 ; A61K8/362 ; A61K8/365 ; A61K8/41 ; A61K8/19 ; A61K8/22

Abstract:
The present invention relates to a hair dyeing process for improved and milder dyeing of hair, especially human hair. The ready-to-use dyeing composition comprises carboxylic acids in addition to dyeing agents and oxidizing agents in order to improve dyeing efficiency with less loss of natural hair properties.
Public/Granted literature
- US20180338896A1 PROCESS FOR OXIDATIVE DYEING HAIR Public/Granted day:2018-11-29
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