Solid foamed active substance preparations

Details Solid foamed active substance preparations Solid foamed active substance preparations

A - Human Necessities

61

K

A61K 9/20 (2006.01) A61K 9/12 (2006.01) A61K 31/00 (2006.01) A61K 31/167 (2006.01) A61K 31/192 (2006.01) A61K 31/277 (2006.01) A61K 31/401 (2006.01) A61K 31/4422 (2006.01) A61K 31/522 (2006.01) A61K 47/32 (2006.01) C08J 9/12 (2006.01)

Patent

CA 2264588

The invention concerns solid foamed active substance preparations based on thermoplastically processed polymers obtained by extruding an active-substance-containing melt of one or a plurality of polymers which is impregnated and expanded with a volatile, physiologically harmless expanding agent.

L'invention concerne des préparations solides expansées de principes actifs à base de polymères pouvant être mis en oeuvre de façon thermoplastique, pouvant être obtenues par extrusion d'une masse fondue d'au moins un polymère renfermant les principes actifs, ladite masse fondue étant imprégnée d'un agent d'expansion volatil, physiologiquement inoffensif, avant d'être d'expansée.

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