Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
1992-09-18
1993-05-25
Foelak, Morton
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
521172, 521173, 521901, 521902, C08G 1814, C08G 1878
Patent
active
052140768
ABSTRACT:
A polycarbodiimide-polyisocyanurate foam is prepared by reacting
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