Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1982-09-29
1984-02-28
Schofer, Joseph L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525338, 526244, C08F 804
Patent
active
044342730
ABSTRACT:
Perfluoroketovinyl ether of the formula (as in claim 1) wherein n is an integer 1 to 4; copolymers of such ether and a fluorinated monomer, such as tetrafluoroethylene; ion-exchange resins of such copolymers; and ion-exchange membranes of such resins.
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E. I. Du Pont de Nemours and Company
Lipman Bernard
Schofer Joseph L.
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