Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
1995-05-15
1997-05-06
Foelak, Morton
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
C08G 1832, C08G 1834
Patent
active
056272219
ABSTRACT:
The invention provides a methods for making water-blown closed cell rigid foams comprising using as a polymer base a polyol selected from the group consisting of:
REFERENCES:
patent: 3467605 (1969-09-01), Abercrombie et al.
Magnus George
Moster Joanne M.
Schumacher Donald W.
Foelak Morton
Stepan Company
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