Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
1989-07-03
1990-11-20
Welsh, Maurice J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
2521822, 25218224, 25218227, C08G 1814
Patent
active
049720023
ABSTRACT:
This invention concerns a process for producing cellular plastics by the polyisocyanate polyaddition process by reaction of
REFERENCES:
patent: 4177332 (1979-12-01), Mitschk et al.
BASF - Aktiengesellschaft
Conger William G.
Welsh Maurice J.
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