Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Patent
1981-11-12
1983-03-01
Lee, Lester L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
526259, 526285, 528 12, 528 38, 528126, 528128, 528220, 528222, 528228, 528229, C08G 7306
Patent
active
043755364
ABSTRACT:
Poly(phenylquinoxaline) prepolymers containing pendant phenylethynyl and ethynyl groups are disclosed along with the process for forming these polymers. Novel monomers and the process for producing same that are employed to prepare the novel polymers are also disclosed.
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Hergenrother Paul M.
Mark Hans M. Acting Administrator of the National Aeronautics and Spa
Lee Lester L.
Manning John R.
Nelson Wallace J.
Osborn Howard J.
The United States of America as represented by the Administrator
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