Controlled rate of release preparations

Details Controlled rate of release preparations Controlled rate of release preparations

A - Human Necessities

01

N

167/153, 167/3,

A01N 25/00 (2006.01) A61K 9/50 (2006.01)

Patent

CA 1075031

Abstract of the Disclosure Controlled release preparations containing an active material and a release-controlling inactive material comprise a core of active and/or inactive material provided with an outer layer containing the active and release- controlling materials and having an outwardly decreasing concentration of the active material. The preparations are prepared by continuously coating the core with a material including the ingredients of the outer layer.

265748

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