Invention Grant
- Patent Title: Azo compound and dye polarizing film containing the same
- Patent Title (中): 含有它的偶氮化合物和染料偏光膜
-
Application No.: US12227994Application Date: 2007-06-12
-
Publication No.: US08389122B2Publication Date: 2013-03-05
- Inventor: Yuichi Sadamitsu , Hiroaki Ohno , Takahiro Higeta
- Applicant: Yuichi Sadamitsu , Hiroaki Ohno , Takahiro Higeta
- Applicant Address: JP Tokyo JP Niigata
- Assignee: Nippon Kayaku Kabushiki Kaisha,Polatechno Co., Ltd.
- Current Assignee: Nippon Kayaku Kabushiki Kaisha,Polatechno Co., Ltd.
- Current Assignee Address: JP Tokyo JP Niigata
- Agency: Nields, Lemack & Frame, LLC
- Priority: JP2006-162990 20060613
- International Application: PCT/JP2007/061813 WO 20070612
- International Announcement: WO2007/145210 WO 20071221
- Main IPC: B32B27/30
- IPC: B32B27/30 ; C09B33/18 ; G02B5/30 ; G02C7/12
Abstract:
Disclosed is an azo compound represented by the formula (1) or (2) below, or a salt thereof. (In the formulae, A represents a substituted phenyl group or a naphthyl group having 1-3 sulfonic acid groups; X represents —N═N— or —NHCO—; R1-R4 independently represent a hydrogen atom, a lower alkyl group or a lower alkoxyl group; m represents a number of 1-3; and n represents 0 or 1).
Public/Granted literature
- US20090174942A1 Azo compound and dye polarizing film containing the same Public/Granted day:2009-07-09
Information query
