Cyclic heterocarbonates and methods for their preparation and us

Details Cyclic heterocarbonates and methods for their preparation and us Cyclic heterocarbonates and methods for their preparation and us

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.

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