Controlled release materials and method of use

Details Controlled release materials and method of use Controlled release materials and method of use

1974-11-01

1976-10-12

Lusignan, Michael R.

Fluid sprinkling, spraying, and diffusing

Slow diffusers

Liquid supply in absorbent or porous media only

426 3, 427212, 427214, 427439, 428304, 428403, A61L 904

Patent

active

039852989

ABSTRACT:
A process for the controlled release of a substance which comprises impregnating a substance to be released into and within a cellulosic polymer-liquid composite material as a part of or all of the liquid phase, and the controlled release material as produced.

REFERENCES:
patent: 2238476 (1941-04-01), Monteith
patent: 3261746 (1966-07-01), Copley
patent: 3423491 (1969-01-01), McLain
patent: 3557083 (1971-01-01), Sacco
patent: 3567118 (1971-03-01), Shepherd
patent: 3688985 (1972-09-01), Engel
patent: 3769066 (1973-10-01), Maierson
patent: 3795533 (1974-03-01), Gauri
patent: 3857964 (1974-12-01), Yolles

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