Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Patent
1981-09-28
1983-01-25
Lee, Lester L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
528193, 528194, 528271, C08G 6360
Patent
active
043704662
ABSTRACT:
Fiber-forming aromatic polyester consisting essentially of 1,4-dioxyphenylene units, isophthaloyl units, p-oxybenzoyl units and 6-oxy-2-naphthoyl units.
REFERENCES:
patent: 3637595 (1972-01-01), Cottis
patent: 4083829 (1978-04-01), Calundann et al.
patent: 4118372 (1978-10-01), Schaefgen
patent: 4161470 (1979-07-01), Calundann
patent: 4219461 (1980-08-01), Calundann
patent: 4256624 (1981-03-01), Calundann
patent: 4299756 (1981-11-01), Calundann
E. I. Du Pont de Nemours and Company
Lee Lester L.
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