Liquid crystal aligning agent from tetracarboxylic acid dianhydr

Details Liquid crystal aligning agent from tetracarboxylic acid dianhydr Liquid crystal aligning agent from tetracarboxylic acid dianhydr

1988-09-01

1990-09-18

Anderson, Harold D.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carboxylic acid or derivative thereof

25229901, 350330, 350350R, 428 1, 528126, 528182, 528352, 528353, C08G 7310, C08G 6904

Patent

active

RE0333425

ABSTRACT:
A liquid crystal aligning agent consisting essentially of a polyimide resin obtained by the polymerization of a diamine, a tetracarboxylic acid dianhydride and a monoamine of the formula:

REFERENCES:
patent: 3994567 (1976-11-01), Matsuo et al.
patent: 4749777 (1988-06-01), Kohtoh et al.
Chemical Abstracts, vol. 99, 1983, 167,124z.
Chemical Abstracts, vol. 100, 1984, 130,029k.
Chemical Abstracts, vol. 99, 1983, 203,665n.
JP-A-57 133 432, (Canon K.K.), Aug. 18, 1982.

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