Process for preparing polyesters and polyestercarbonates polymer

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate

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528190, 528191, 528193, 528194, 528196, C08G 6318, C08G 6364

Patent

active

045858519

ABSTRACT:
A method of preparing a polyester resin by polymerizing a mixture of a diaryl terephthalate, a diaryl isophthalate or mixture thereof, a diphenol and a triaryl mellitate.

REFERENCES:
patent: 3413379 (1968-11-01), Schade et al.
patent: 3972852 (1976-08-01), Inata et al.
patent: 4319017 (1982-03-01), Kosanovich et al.

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