Method for forming microporous filter

Details Method for forming microporous filter Method for forming microporous filter

1985-06-14

1987-03-24

Anderson, Philip

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

By treating occluded solids

21050027, 210652, 264156, C08J 926, B29C 5902

Patent

active

046524126

ABSTRACT:
A surface-type microporous filter is prepared by embossing substantially uniform holes in an embossable polymer carried on a porous support wherein the pores are filled with a soluble filler. Subsequent to the embossing step, the filler is removed by dissolution.

REFERENCES:
patent: 4038351 (1977-07-01), Koenst, Jr. et al.
patent: 4211590 (1980-07-01), Steward et al.
patent: 4248822 (1981-02-01), Schmidt
patent: 4547920 (1985-10-01), Hulsebusch et al.

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