Porous plastic filter and process for its production

Details Porous plastic filter and process for its production Porous plastic filter and process for its production

1996-05-08

1998-09-08

Walker, W. L.

Liquid purification or separation

Filter

Supported, shaped or superimposed formed mediums

2105101, 210503, 4283157, 4283166, 4283179, 264127, 2642902, B01D 3916

Patent

active

058040749

ABSTRACT:
A porous plastic filter for separating fine particles, which is obtained by sinter-forming particles of thermoplastic material, wherein the contact angle to water of at least one surface of the porous plastic filter is at least 60.degree., preferably at least 90.degree., and at least a thermoplastic material having an average particle size within a range of from 5 to 90 .mu.m, is used.

REFERENCES:
patent: 4212733 (1980-07-01), Goto et al.
patent: 4820787 (1989-04-01), Kataoka et al.
patent: 4824898 (1989-04-01), Sukigara et al.
Derwent Abstracts, Derwent Publications, AN 81-63152D, JP-A-56-085475, Jul. 11, 1981.
S. Strauss, Technische Mitteilungen, vol. 85, No. 2, pp. 100-104, Jul. 1, 1992, "Gesinterte Kunststoff-Formteile fur die Fest-/Flussig-Filtration".

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