Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
1981-06-23
1983-01-04
Welsh, Maurice J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
528 71, 528 72, C08G 1814
Patent
active
043672957
ABSTRACT:
The present invention relates to intumescent compositions, which may be foamed, and which are obtained by reacting:
REFERENCES:
patent: 3235517 (1966-02-01), Beck et al.
patent: 3396129 (1968-08-01), Yeadon et al.
patent: 4258141 (1981-03-01), Jarre
Bayer Aktiengesellschaft
Elder Richard A.
Gil Joseph C.
Harsh Gene
Welsh Maurice J.
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