Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
1976-12-27
1980-04-08
Anderson, Harold D.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
260 42, 260 4575B, 260 457P, 260 458N, 525132, 525146, 525148, 521180, C08J 904
Patent
active
041973704
ABSTRACT:
Novel foamable compositions are disclosed which may comprise a polyphenylene oxide resin with or without an alkenyl aromatic resin; and a foaming agent which is a thermally unstable copolymer.
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Fox Daniel W.
Goossens John C.
Anderson Harold D.
General Electric Company
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