Granule having controlled release properties

Drug – bio-affecting and body treating compositions – Solid synthetic organic polymer as designated organic active... – Polymer from ethylenic monomers only

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Details

424 16, 424 19, 424 20, 424 22, 424 31, 424 32, 424 33, 424 35, 424 38, A61K 924, A61K 932, A61K 936, A61K 942

Patent

active

043417590

ABSTRACT:
A method of preparing a preparation made up by bodies comprising an active component in decreasing concentration towards the surface of the bodies. The method comprises coating a particle with a composition comprising the active component in a continuous coating operation whereby the concentration of the active component is decreased. The active component may be a drug, a pesticide or an agent having some other effect.

REFERENCES:
patent: 2928770 (1960-03-01), Bardani
patent: 3383283 (1968-05-01), Brindamour

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