Aromatic copolyesters capable of forming an anisotropic melt

Details Aromatic copolyesters capable of forming an anisotropic melt Aromatic copolyesters capable of forming an anisotropic melt

1979-07-18

1981-05-12

Lee, Lester L.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528173, 528190, 528191, 528206, 528271, C08G 6360, C08G 6366, C08G 6368

Patent

active

042673046

ABSTRACT:
An aromatic copolyester capable of forming an anisotropic melt containing up to 75 mole % of recurring units of formula ##STR1## wherein R may be hydrogen, chlorine, bromine or alkyl groups containing from 1 to 4 carbon atoms.

REFERENCES:
patent: 2696481 (1954-12-01), Schneider
patent: 3039994 (1952-06-01), Gleim
patent: 3767621 (1973-10-01), Suzuki et al.
patent: 4067852 (1978-01-01), Calundann
patent: 4075262 (1978-02-01), Schaefgen
patent: 4083829 (1978-04-01), Calundann
patent: 4130545 (1978-12-01), Calundann
patent: 4161470 (1979-07-01), Calundann

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