Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
1979-12-26
1980-11-25
Foelak, Morton
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
521 84, 521112, 521123, 521129, 521132, 521135, 521136, 521137, 521139, 521140, 521178, C08J 902
Patent
active
042359740
ABSTRACT:
Epoxy compounds will react chemically with an amine to produce an epoxy prepolymer that will produce a self-standing cellular solid product upon heating.
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