Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
1980-12-05
1983-03-15
Foelak, Morton
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
521107, 521108, 521137, 521138, 521906, 521907, C08J 900
Patent
active
043768334
ABSTRACT:
The invention relates to a composition for the production of stiff and self-supporting expanded materials, the composition being based on an unsaturated polyester resin, an isocyanate and a filler, preferably an inert silicate material, with or without other fillers such as cork and ash, said composition having improved expandibility features and being especially useful for the production of stiff, expanded, and noncrumbling materials. These materials are especially useful for self-supporting structures such as doors and wall partitions.
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patent: 3455850 (1969-07-01), Saunders
patent: 3625872 (1971-12-01), Ashida
patent: 4011195 (1977-03-01), Self
patent: 4043950 (1977-08-01), Wilmsen
patent: 4051081 (1977-09-01), Jabs et al.
patent: 4057519 (1977-11-01), Summers et al.
patent: 4083818 (1978-04-01), Brackenridge
patent: 4190696 (1980-02-01), Hort
patent: 4216294 (1980-08-01), Halle et al.
Foelak Morton
Pro-Sac, S.p.A.
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