Compressed products with retarded release of active substance

Details Compressed products with retarded release of active substance Compressed products with retarded release of active substance

A - Human Necessities

61

K

167/166

A61K 47/00 (2006.01) A61K 9/20 (2006.01) A61K 9/22 (2006.01)

Patent

CA 1203480

ABSTRACT OF THE DISCLOSURE This invention discloses a process for the preparation of compressed products with delayed action and release of the active ingredients, which are suitable for long term oral or parenteral administration. The substance is first mixed and then homogenized with at least 20% by weight (of active ingredient) of poly-D(-)-3-hydroxybutyric acid. Compression of the product then occurs. Notable advantages are obtained by using biologically degradable and homogeneous matrix formulations with poly-D-(-)-3-hydroxybutyric acid as the polymeric vehicle.

437947

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