Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
1982-05-06
1983-07-05
Foelak, Morton
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
521 89, 521 92, 521 93, 521 94, 521 95, 521134, 521189, 525190, C08J 910
Patent
active
043919227
ABSTRACT:
Mono- and polyazoformamide, sulfonyl hydrazide, sulfonyl semicarbazide and/or dinitrosomethylene amine compounds act as chemical blowing agents and curatives for carbon monoxide-containing ethylene copolymers.
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E. I. Du Pont de Nemours and Company
Foelak Morton
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