Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
1987-08-17
1988-06-28
Welsh, Maurice J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
25218224, 25218227, 25218228, 427373, 4273855, 521173, 521 48, 521914, 524590, 528301, 560 91, C08G 1814
Patent
active
047539674
ABSTRACT:
A polyester polyol suitable for use in a foam-forming reaction with an organic polyisocyanate in the manufacture of a polyurethane or polyisocyanurate foam, the polyester polyol being the reaction product of polycarboxylic acid and polyol components, wherein the polyol component solely or partially comprises an oxyalkylated polyol selected from the group consisting of
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Grace James W.
Sloss Industries Corporation
Vanecek Charles W.
Welsh Maurice J.
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