Liquid filter medium including a fibrillated filtering layer and

Details Liquid filter medium including a fibrillated filtering layer and Liquid filter medium including a fibrillated filtering layer and

1992-10-26

1994-02-22

Dawson, Robert A.

Liquid purification or separation

Filter

Supported, shaped or superimposed formed mediums

210491, 55486, 55524, 55DIG5, B01D 3916

Patent

active

052884023

ABSTRACT:
A two-layered filter medium for liquid filtration comprises a support composed of organic fibers of 7 .mu.m or more in diameter and basis weight of 30-150 g/m.sup.2, and a filtering layer composed of three kinds of organic fibers different in diameter, a part or all of the kind of organic fibers having the largest diameter being a fibrous organic binder.

REFERENCES:
patent: 5089075 (1992-02-01), Sonoda

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