Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Patent
1977-06-29
1978-08-22
Lee, Lester L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
528172, 528191, 528176, 260250Q, 260295R, 2603322R, 2605474, 260515M, 260516, 260520D, 260520E, C08G 7322, C08G 7532
Patent
active
041088352
ABSTRACT:
Para-ordered aromatic heterocyclic polymers containing pendant phenyl groups along the polymer chain backbones. The polymers possess a high degree of thermal stability that renders them particularly useful in high temperature applications such as in the fabrication of plastics, composites and fibrous materials.
REFERENCES:
patent: 3376257 (1968-04-01), Nakanishi et al.
patent: 3563950 (1971-02-01), Steinmann et al.
patent: 3852239 (1974-12-01), Bellmann et al.
Arnold Fred E.
Wolfe James F.
Kuhn Cedric H.
Lee Lester L.
Rusz Joseph E.
The United States of America as represented by the Secretary of
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