Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof
Patent
1986-07-28
1987-09-29
Welsh, Maurice J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From carboxylic acid or derivative thereof
528308, 528322, 528369, 528370, 528271, 528296, 5283086, C08G 6362
Patent
active
046969985
ABSTRACT:
Cyclic heterocarbonates containing linkages such as ester, urethane, imide, ether sulfone, ether ketone or amide may be prepared from the corresponding bishaloformates. They may be converted to linear copolycarbonates.
REFERENCES:
patent: 3297634 (1967-01-01), Oxenrider et al.
Boden Eugene P.
Brunelle Daniel J.
Guggenheim Thomas L.
Guiles Joseph W.
Shannon Thomas G.
Davis Jr. James C.
General Electric Company
Magee Jr. James
Pittman William H.
Welsh Maurice J.
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