Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Treating polymer containing material or treating a solid...
Patent
1996-05-31
1997-06-03
Acquah, Samuel A.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Treating polymer containing material or treating a solid...
5283081, 5283083, 5283085, 528481, 528483, 528491, 528492, 528503, C08F 600
Patent
active
056355890
ABSTRACT:
Disclosed is a process for increasing the molecular weight of condensation polymers involving the use of a high velocity rarefied inert gas sweep in the polymer finishing process.
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Acquah Samuel A.
E. I. Du Pont de Nemours and Company
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