Filter material

Details Filter material Filter material

1979-10-11

1981-06-23

Chin, Peter

Paper making and fiber liberation

Processes and products

Non-uniform, irregular or configured web or sheet

55528, 162117, 162146, D21F 1112, B01D 3904

Patent

active

042749140

ABSTRACT:
A non-woven cellulose ester fibrous filter sheet material comprising cellulose ester staple fibers and cellulose ester fibrets which exhibits improved filtration properties and the method of its preparation.

REFERENCES:
patent: 2999788 (1961-09-01), Morgan
patent: 3007840 (1961-11-01), Wilcox
patent: 3016599 (1962-01-01), Perry
patent: 3342921 (1967-09-01), Brundige et al.
patent: 3961007 (1976-06-01), Caputi, Jr. et al.
patent: 4040856 (1977-08-01), Litzinger

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