Controlled release device, and method of preparation

Details Controlled release device, and method of preparation Controlled release device, and method of preparation

1992-05-27

1994-08-16

Page, Thurman K.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Biocides; animal or insect repellents or attractants

424405, 424406, 424409, A01N 2510

Patent

active

053385330

ABSTRACT:
A device enabling one or more active principles or substances to be released in a gradual and programmed manner, wherein the device can be obtained by:

REFERENCES:
patent: 4073439 (1978-02-01), Grataloup
patent: 4134977 (1979-01-01), Greenberg
patent: 4150109 (1979-04-01), Dick et al.
patent: 4158051 (1979-06-01), Greenberg et al.
patent: 4189467 (1980-02-01), von Bittera et al.
patent: 4195075 (1980-03-01), Miller
patent: 4225578 (1980-09-01), von Bittera et al.
patent: 4900765 (1990-02-01), Murabayashi et al.
patent: 4992275 (1991-02-01), Lush

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