Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Patent
1988-08-01
1989-07-11
Anderson, Harold D.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
528 86, 528176, C08G 6360
Patent
active
048473510
ABSTRACT:
Liquid crystalline polyesters are provided employing 4,4'-dihydroxybiphenyls substituted with organo radicals which are intercondensed with bis(4-hydroxyphenyl)ether, iso- or terphthalic acid, and hydroxybenzoic acid. The liquid crystalline polyesters have been found to have improved processing characteristics.
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patent: 4536561 (1985-08-01), Schmidt et al.
patent: 4617370 (1986-10-01), Lenz et al.
patent: 4701515 (1987-10-01), Dicke et al.
patent: 4728715 (1988-03-01), Kock et al.
Patent Letter, "Phenylated p,p'-Biphenylene Polyesters", Holub et al.
European Polymer Journal, vol. 6 (1970), "Synthesis and Properties of Polyesters Based on Substituted Bisphenols", H. B. Weyland et al., pp. 1339-1345.
Langer Matthew E.
Schissel David N.
Yeager Gary W.
Anderson Harold D.
Davis Jr. James C.
General Electric Company
Mason T.
Pittman William H.
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