Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
1985-11-20
1986-07-22
Foelak, Morton
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
521 95, 521180, 521189, C08J 910
Patent
active
046020489
ABSTRACT:
Polyphosphazene elastomers for use in making low density foam comprising a --P<.dbd.N].sub.n substantially linear backbone randomly substituted with 20-80 mole percent phenoxy, 20-80 mole percent lower alkylphenoxy, 1-50 mole percent alkoxy and 0.5-20 mole percent alkenylphenoxy and the foamed products made therefrom.
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patent: 4083820 (1978-04-01), Dieck et al.
patent: 4107108 (1978-08-01), Dieck et al.
patent: 4113670 (1978-09-01), Dieck et al.
patent: 4116891 (1978-09-01), Dieck et al.
Penton Harold R.
Pettigrew F. Alexander
Ethyl Corporation
Foelak Morton
Johnson Donald L.
Odenweller Joseph D.
Sieberth John F.
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