Controlled release powder and process for its preparation

Details Controlled release powder and process for its preparation Controlled release powder and process for its preparation

A - Human Necessities

61

K

167/164, 167/4,

A61K 9/14 (2006.01) A01N 25/26 (2006.01) A23G 4/00 (2006.01) A61K 9/00 (2006.01) A61K 9/06 (2006.01) A61K 9/08 (2006.01) A61K 9/16 (2006.01) A61K 9/51 (2006.01)

Patent

CA 1268051

A B S T R A C CONTROLLED RELEASE POWDER AND PROCESS FOR ITS PREPARATION A controlled release powder containing discrete microparticles for use in edible, pharmaceutical and other controlled release compositions. The microparticles have an average size in the range 0.1 to 125 µ m, each of the microparticles being in the form of a micromatrix of an active ingredient uniformly distributed in at least one non- toxic polymer. The microparticles have a predetermined release of active ingredient when the dissolution rate thereof is measured according to the Paddle method of U.S. Pharmacopoeia XX at 37°C and 75 r.p.m.

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