Controlled release of substances

Details Controlled release of substances Controlled release of substances

1998-02-24

2000-08-29

Weldon, Kevin

Fluid sprinkling, spraying, and diffusing

Slow diffusers

Gravity flow of liquid from supply holder

239 57, A24F 2500

Patent

active

061095397

ABSTRACT:
The present invention is directed to a device for releasing a volatile substance. The device includes a housing having an interior region, a volatile substance contained within the interior region, and the ability to controllably release the volatile substance from the housing. Such controllable release can be accomplished by the housing being substantially permeable to ambient air, yet substantially impermeable to the volatile substance contained within the interior region of the housing. Additionally, the invention contemplates the use of one or more porous plugs for diffusing the volatile substance therethrough and eventually into atmosphere in a vapor form. To assist such diffusion, the invention likewise contemplates the use of an electrochemical gas generating cell, a heating element and/or other features which allow air to controllably enter into the interior region of the housing.

REFERENCES:
patent: 446953 (1891-02-01), Robert
patent: 806844 (1905-12-01), Rosenstock
patent: 957449 (1910-05-01), Walz
patent: 976992 (1910-11-01), Effantin
patent: 1222756 (1917-04-01), Griner
patent: 1921821 (1933-08-01), Higgins
patent: 2219959 (1940-10-01), Laidley
patent: 2481296 (1949-09-01), Dupuy
patent: 2670236 (1954-02-01), Bradburn
patent: 2801879 (1957-08-01), Dick
patent: 3169705 (1965-02-01), Geiger
patent: 3254841 (1966-06-01), Loncker
patent: 4621768 (1986-11-01), Lhoste et al.
patent: 4917301 (1990-04-01), Munteanu
patent: 4948047 (1990-08-01), Zembrodt
patent: 5810253 (1998-09-01), Ohayon

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