Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Patent
1985-09-06
1986-08-12
Anderson, Harold D.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
528176, 528193, C08G 6364
Patent
active
046057269
ABSTRACT:
Polycarbonates exhibiting improved heat distortion temperatures which are comprised of the polymerized coreaction products of (i) a carbonate precursor, and (ii) at least one particular spiro dihydric phenol.
REFERENCES:
patent: 4552949 (1985-11-01), Mark
Anderson Harold D.
Barancik Martin B.
General Electric Company
Kapustij Myron B.
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