IP Library › Granted Patent US 8,901,353
Granted Patent B2
US 8,901,353 · App. 13/255,644 · Granted Dec 2, 2014

Polyimide precursor, polyimide, and liquid crystal aligning agent

Inventor: Masato Nagao (Funabashi, JP)
Assignee: Nissan Chemical Industries, Ltd.
C08G73/1078G02F1/133723C07C229/18C09D179/08C07C271/22
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Quick Facts
Patent No.
US 8,901,353
App. No.
13/255,644
Granted
Dec 2, 2014
Kind
B2
Abstract

To provide a novel diamine which is useful as the starting material of a novel polyimide precursor or polyimide which can provide a liquid crystal alignment film having a low volume resistivity, a liquid crystal aligning agent containing these polymers, and a liquid crystal alignment film. The novel diamine is a compound represented by any one of the following formulae (A) to (C):

Claims (1)

1. A diamine compound represented by any one of the following formulae (A) to (C):

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 29, 2011
From: NAGAO, MASATO
To: NISSAN CHEMICAL INDUSTRIES, LTD.
Reel/Frame 027295/0437 →
Priority Claims (1)
JP 2009-056426 · Mar 10, 2009 · national
Continuity (1)
Related Publication 20120088888A1 · Apr 12, 2012