Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
1990-08-31
1992-02-11
Foelak, Morton
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
521 54, 521134, 521918, C08J 940
Patent
active
050876414
ABSTRACT:
A porous polytetrafluoroethylene resin material which comprises sintered or irradiated fluororesin powder inside the porous spaces of a continuously porous polytetrafluoroethylene resin base material.
REFERENCES:
patent: 3451842 (1969-06-01), Kurz et al.
patent: 4379858 (1983-04-01), Suzuki
patent: 4387168 (1983-06-01), Morita
Database WPI Abstract 77-780684-Derwent.
Foelak Morton
Samuels Gary A.
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