Basic material for making a porous material for seals

Details Basic material for making a porous material for seals Basic material for making a porous material for seals

1977-08-01

1980-05-27

Foelak, Morton

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

264126, 264321, 521 74, 521918, C08J 936

Patent

active

042051371

ABSTRACT:
Basic material for making a porous material for seals comprising powder produced by pulverizing a plastic foams selected from the group consisting of gelated foams and semi-gelated foam of polyvinyl chloride.

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patent: 3375238 (1968-03-01), Bauer et al.
patent: 3640918 (1972-02-01), Fuchs et al.
patent: 3663520 (1972-05-01), Balwe et al.
patent: 3696181 (1972-10-01), Bonner, Jr.

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