Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Treating polymer containing material or treating a solid...
Patent
1989-04-13
1989-10-31
Jacobs, Lewis T.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Treating polymer containing material or treating a solid...
528389, 525537, C08G 7514
Patent
active
048778621
ABSTRACT:
A solid-state polymerization process for increasing the molecular weight of a polymer such that the n value is at least 200 comprising heating within a heating zone at a temperature of at least 200.degree. C. a crystalline polymer corresponding to the structure:
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Fagerburg David R.
Watkins Joseph J.
Eastman Kodak Company
Heath, Jr. William P.
Jacobs Lewis T.
Martin Charles R.
Woodward David W.
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