Invention Grant
- Patent Title: Azo direct dyes and method for dyeing hair using these dyes
- Patent Title (中): 偶氮直接染料和使用这些染料染发的方法
-
Application No.: US14926151Application Date: 2015-10-29
-
Publication No.: US09587116B2Publication Date: 2017-03-07
- Inventor: Heike Gertrud Abel , Armin Osan , Markus Speckbacher , Ingo Reinhold Weber
- Applicant: Noxell Corporation
- Applicant Address: US MD Hunt Valley
- Assignee: Noxell Corporation
- Current Assignee: Noxell Corporation
- Current Assignee Address: US MD Hunt Valley
- Agency: Schwegman Lundberg & Woessner, P.A.
- Main IPC: A61Q5/10
- IPC: A61Q5/10 ; C09B29/01 ; A61K8/41 ; C09B44/10 ; C09B62/008 ; C09B26/06 ; C09B29/08 ; C09B56/20
Abstract:
A compound of formula (I) or (II) or (III): wherein R5, R6, R7, R8′, R8″ and R8″′ are as defined herein. This compound can be used in a composition for the dyeing of fibers.
Public/Granted literature
- US20160122546A1 AZO DIRECT DYES AND METHOD FOR DYEING HAIR USING THESE DYES Public/Granted day:2016-05-05
Information query
