Filter apparatus with hydrophilic filter material and hydrophobi

Details Filter apparatus with hydrophilic filter material and hydrophobi Filter apparatus with hydrophilic filter material and hydrophobi

1988-04-21

1989-09-05

Fisher, Richard V.

Liquid purification or separation

Filter

Resting on supporting receiver, e.g., portable

210479, 210506, 426 82, 426 84, 248 94, 99295, 206 05, B01D 2328

Patent

active

048636010

ABSTRACT:
A filter bag is positioned inside and fastened to a holding frame. The holding frame has substantially vertical walls and is adapted to be placed on the edge of a coffee cup or the like. The sides of the holding frame that face the filter bag are made of hydrophobic material. The filter bag is made of nonwoven hydrophilic filter material.

REFERENCES:
patent: 2863376 (1958-12-01), Grose
patent: 3121657 (1964-02-01), Magill
patent: 3373043 (1968-03-01), Rubenstein
patent: 3386834 (1968-06-01), Noiset et al.
patent: 3579351 (1971-05-01), Wege et al.
patent: 3615708 (1971-10-01), Abile-Gal
patent: 3971305 (1976-07-01), Daswick
patent: 4417504 (1983-11-01), Yamamoto
patent: 4519911 (1985-05-01), Shimizu
patent: 4584101 (1986-04-01), Kataoka
patent: 4715271 (1987-12-01), Kitagawa

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