Filter and method of making same

Details Filter and method of making same Filter and method of making same

1980-02-21

1982-01-05

Smith, William F.

Paper making and fiber liberation

Processes and products

Plural fiber containing

162181R, 162181C, 162187, 210505, D21H 378

Patent

active

043092470

ABSTRACT:
Filter media sheets comprising particulate retention aid consisting of cellulose pulp of +100 to -100 Canadian Standard Freeness, and method of making the same.

REFERENCES:
patent: 2634207 (1953-04-01), Miscall et al.
patent: 2956016 (1960-10-01), Leppla
patent: 3007878 (1961-11-01), Alexander et al.
patent: 3034981 (1962-05-01), Poelman et al.
patent: 3125098 (1964-03-01), Osborne
patent: 3246767 (1966-04-01), Pall et al.
patent: 3248353 (1966-04-01), Coscia
patent: 3379609 (1968-04-01), Roberts
patent: 3573158 (1971-03-01), Pall et al.
patent: 3591010 (1971-07-01), Pall
patent: 4007113 (1977-02-01), Ostreicher
patent: 4007114 (1977-02-01), Ostreicher
Sonderdruck aus: "Beitrage zur Tabakforschung", Band 8, Heft 5, Mar. 1976, pp. 302-313.

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