Preparation of pharmaceutical and other matrix systems by...

Details Preparation of pharmaceutical and other matrix systems by... Preparation of pharmaceutical and other matrix systems by...

A - Human Necessities

61

K

A61K 9/00 (2006.01) A23L 1/22 (2006.01) A61J 3/00 (2006.01) A61K 8/02 (2006.01) A61K 8/04 (2006.01) A61K 8/34 (2006.01) A61K 8/65 (2006.01) A61K 8/81 (2006.01) A61K 8/92 (2006.01) A61K 9/20 (2006.01) A61Q 19/00 (2006.01) B32B 29/06 (2006.01) B65D 81/38 (2006.01) F26B 5/00 (2006.01)

Patent

CA 2046310

A method is disclosed for preparing pharmaceutical and other matrix systems that comprises solidifying a matrix composi- tion dissolved or dispersed in a first solvent and subsequently contacting the solidified matrix with a second solvent that is sub- stantially miscible with the first solvent at a temperature lower than the solidification point of the first solvent, the matrix compo- nents being substantially insoluble in the second solvent, whereby the first solvent is substantially removed resulting in a usable matrix:

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