Process for preparing controlled release pharmaceutical...

Details Process for preparing controlled release pharmaceutical... Process for preparing controlled release pharmaceutical...

A - Human Necessities

61

K

A61K 9/20 (2006.01) A61J 3/06 (2006.01) A61K 9/22 (2006.01)

Patent

CA 2151396

An improved process for preparing controlled release pharmaceutical forms comprises exposing a mixture comprising one or more excipients and one or more active ingredients compatible with each other and with said excipients to mechanical or electromechanical actions for a well established time and within a wide range of frequencies to give tablets, matrices or mono or multilayered films. Said forms can be optionally crushed to give a granulate or powder. Depending on die employed excipient, a delayed or rapid but always controllable release of the active ingredient can be attained.

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