Process for time controlled release of active ingredients...

Details Process for time controlled release of active ingredients... Process for time controlled release of active ingredients...

A - Human Necessities

61

K

167/153

A61K 47/00 (2006.01) A01N 25/10 (2006.01) A61K 9/20 (2006.01) C05G 3/00 (2006.01)

Patent

CA 1208556

ABSTRACT The present invention provides a process for the timed control of the liberation of active material from a retarded active material-containing composition by the addition of a hydrophilic polymer, wherein the rate of liberation is adjusted by means of the viscosity of the added hydrophilic polymer, the rate of liberation increasing with increasing viscosity.

406024

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