Aqueous-based air treating systems

Details Aqueous-based air treating systems Aqueous-based air treating systems

1977-12-27

1981-02-03

Reeves, Robert B.

Fluid sprinkling, spraying, and diffusing

Processes

Involving slow diffusion

239 53, A61L 904

Patent

active

042483808

ABSTRACT:
A system for the controlled release of air treating material comprising a hydrophilic membrane secured to a reservoir containing an active ingredient in aqueous medium, the membrane serving as the means for releasing the active ingredient to the atmosphere and for controlling the rate of release.

REFERENCES:
patent: 3567118 (1971-03-01), Shepherd
patent: 3578545 (1971-05-01), Carson et al.
patent: 3596833 (1971-08-01), Gould
patent: 3685734 (1972-08-01), Paciorek et al.
patent: 3688985 (1972-09-01), Engel
patent: 3815828 (1974-06-01), Engel
patent: 3885737 (1975-05-01), Watkins
patent: 3985298 (1976-10-01), Nichols
patent: 4017030 (1977-04-01), Coplan et al.
patent: 4094119 (1978-06-01), Sullivan
patent: 4130245 (1978-12-01), Bryson

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