Sustained release compositions using as matrix hemicellulose ext

Details Sustained release compositions using as matrix hemicellulose ext Sustained release compositions using as matrix hemicellulose ext

1991-09-12

1992-12-29

Page, Thurman K.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Biocides; animal or insect repellents or attractants

424405, 424408, 424409, 424423, 424424, 424425, 424451, 424464, 424474, 424489, 514781, 536 56, 536128, A01N 2508, A01N 2534, A61F 202, A61K 920

Patent

active

051749980

ABSTRACT:
A sustained release composition containing a chemical substance in a matrix. The matrix substantially comprises a hemicellulose extracted from wheat bran under alkaline conditions or a wheat bran extract containing the hemicellulose. The chemical substance is released at a controlled rate from the composition over a long period of time.

REFERENCES:
patent: 3294544 (1966-12-01), Stanko
patent: 4857505 (1989-08-01), Arendt

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