Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
1986-08-04
1988-05-10
Anderson, Harold D.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
521182, 521189, 525439, 525462, 528196, 528204, C08G 6362
Patent
active
047436301
ABSTRACT:
Disclosed are new poly(ester-ether-carbonates) which may be prepared by heating aromatic diol polycarbonates and poly(ester-carbonates) with ethylene carbonate, optionally in the presence of a suitable catalyst or promoter.
REFERENCES:
patent: 4623675 (1986-11-01), Darnell et al.
Darnell William R.
Jackson, Jr. Winston J.
Anderson Harold D.
Eastman Kodak Company
Heath, Jr. William P.
Reiter S. E.
Stevens John F.
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