Aromatic polyester and filaments

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

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Details

528191, 528193, C08G 6306

Patent

active

043473490

ABSTRACT:
Polyesters of fiber-forming molecular weight consisting esssentially of methyl or chloro-1,4-dioxyphenylene units, terephthaloyl units and small amounts of 6-oxy-2-naphthoyl and units from other difunctional aromatic polyester-forming reactants.

REFERENCES:
patent: 4219461 (1980-08-01), Calundann
patent: 4256624 (1981-03-01), Calundann

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