Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1981-11-02
1983-08-30
Dixon, Jr., William R.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
428421, 428422, B32B 700, B32B 2700, C25B 116
Patent
active
044017111
ABSTRACT:
Composite fluorocarbon cation exchange membrane having at least two layers of fluorinated polymer containing pendant side chains with sulfonyl groups wherein the equivalent weight of one such layer differs from the adjacent layer by at least 100.
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Silva Raimund H.
Smith Roger A.
Dixon Jr. William R.
E. I. Du Pont de Nemours and Company
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