Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Patent
1979-04-06
1980-02-12
Lee, Lester L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
528125, 528128, 528194, C08G 6318, C08G 6360
Patent
active
041884760
ABSTRACT:
An aromatic polyester which in filament form has improved responsiveness to heat strengthening consisting essentially of p-oxybenzoyl units, terephthaloyl units, 2,6-dioxynaphthalene or 2,6-dioxyanthraquinone units and m-oxybenzoyl, or 1,3-dioxyphenylene units.
REFERENCES:
patent: 4066620 (1978-01-01), Kleinshuster et al.
patent: 4067852 (1978-01-01), Calundann
patent: 4083829 (1978-04-01), Calundann et al.
patent: 4118372 (1978-10-01), Schaefgen
patent: 4130545 (1978-12-01), Calundann
patent: 4146702 (1979-03-01), Morris et al.
E. I. Du Pont de Nemours and Company
Lee Lester L.
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