2,2',6,6'-Tetramethylbiphenyl-4,4'-diol polyesters

Details 2,2',6,6'-Tetramethylbiphenyl-4,4'-diol polyesters 2,2',6,6'-Tetramethylbiphenyl-4,4'-diol polyesters

1979-10-03

1981-09-15

Schain, Howard E.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

260 334P, 528176, 528192, 528194, 528195, C08G 6316, C08G 6318, C08G 6320, C08G 6340

Patent

active

042898706

ABSTRACT:
A polyester comprising units of a dicarboxylic acid component and dihydroxy component wherein said dicarboxylic acid component comprises non-vicinal benzene dicarboxylate moieties and said dihydroxy component comprises 2,2',6,6'-tetramethylbiphenyl-4,4'-diol moieties.

REFERENCES:
patent: 2739035 (1978-06-01), Webb
patent: 3246067 (1966-04-01), Boyer
patent: 4035342 (1977-07-01), Paschke
patent: 4067850 (1978-01-01), Kohler et al.
patent: 4123454 (1978-10-01), Buxbaum

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