Oxybenzoyl dioxyarylene mono- and diesters

Details Oxybenzoyl dioxyarylene mono- and diesters Oxybenzoyl dioxyarylene mono- and diesters

1975-02-28

1976-06-08

Killos, Paul J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260473R, C07C 6978

Patent

active

039623149

ABSTRACT:
Branched, wholly aromatic polyesters of Formula I ##EQU1## wherein R.sup.1, R.sup.2 and R.sup.3 each consist essentially of a plurality of moieties selected from the group having the Formulas II, III and IV ##SPC1##
and wherein X is -O-, ##EQU2## m is 0 or 1; n is 0 or 1; a is 0-40; b is 0-20; c is 0-20; and a + b + c is 2- 40.

REFERENCES:
patent: 2858293 (1958-10-01), Clark et al.
patent: 3154574 (1964-10-01), Gordon et al.
patent: 3288834 (1966-11-01), Sterling et al.
patent: 3325533 (1967-06-01), Thompson
patent: 3449419 (1969-06-01), Wechter
patent: 3519599 (1970-07-01), Newland et al.
patent: 3592841 (1971-07-01), Broadhead et al.
patent: 3657321 (1972-04-01), Steinberg

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