Hydrophobic filter material and method

Details Hydrophobic filter material and method Hydrophobic filter material and method

1984-12-18

1988-03-15

Fisher, Richard V.

Coating processes

Interior of hollow article coating

Spraying

21050023, 21050036, 210507, 210508, 427244, B01D 1304

Patent

active

047312602

ABSTRACT:
A filter material comprising hydrophobic filter media treated with a wetting agent which consists essentially of a material selected from the group consisting of polysobate 20, polysorbate 40, polysorbate 60 and polysorbate 80. The wetting agent is applied by dissolving it in a solvent and spraying the resulting solution onto the filter media.

REFERENCES:
patent: 3238056 (1966-03-01), Pall et al.
patent: 3568846 (1971-03-01), Haefner
patent: 3993451 (1976-11-01), Verbeck
patent: 4156649 (1979-05-01), Quinn et al.
patent: 4326025 (1982-04-01), Buckles et al.
patent: 4386069 (1983-05-01), Estep
patent: 4411783 (1983-10-01), Dickens et al.
patent: 4458042 (1984-07-01), Espy
ICI Americas Inc., General Characteristics of Surfactants, Brochure 0-1 10/80 5M 1963.

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