Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Patent
1987-04-07
1988-08-09
Anderson, Harold D.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
528183, C08G 7322
Patent
active
047629088
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: 3985763 (1976-10-01), Harnisch
patent: 4709006 (1987-11-01), Tsai et al.
Arnold Fred E.
Tsai Tsu-Tzu
Anderson Harold D.
Bricker Charles E.
Singer Donald J.
The United States of America as represented by the Secretary of
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