Polybenzobisthiazole from aryloxy naphthalic diacid

Details Polybenzobisthiazole from aryloxy naphthalic diacid Polybenzobisthiazole from aryloxy naphthalic diacid

Filed on

1986-04-16

Date issued

1987-11-24

Examiner

Anderson, Harold D.

Patent Class

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

SubClass

Synthetic resins

SubSubClass

From phenol, phenol ether, or inorganic phenolate

Other Related Categories

528179, 528183, 528211, 528219, 528337, 528344, 528348, C08G 7532

Type

Patent

Status

active

Patent number

047090065

Description

ABSTRACT:
A polymer having repeating units of the general formula ##STR1## wherein BB is a benzobisaxazole, benzobisthiazole or benzobisimidazole group and Y is a phenolic, pyridyl or phenoxyphenyl group.

REFERENCES:
patent: 4225700 (1980-09-01), Wolfe et al.
patent: 4229566 (1980-10-01), Evers et al.
patent: 4359567 (1982-11-01), Evers
patent: 4423202 (1983-12-01), Choe

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