C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 63/88 (2006.01) A61J 3/07 (2006.01) B29B 9/00 (2006.01) C08G 63/08 (2006.01) C08J 3/12 (2006.01) C08J 5/02 (2006.01) C08L 67/04 (2006.01)
Patent
CA 2679792
A process for altering the shape of a polymer particle is disclosed. The process comprises suspending polymer particles in a suspending medium at a temperature that effects melting of the polymer and agitating the suspension for a time sufficient to change the shape of the particles. The shape altered particles are combined with a pharmaceutically acceptable agent to give a drug delivery particle system.
La présente invention concerne un procédé de modification de la forme d'une particule de polymère. Le procédé comprend la mise en suspension de particules de polymère dans un milieu de suspension à une température assurant la fusion du polymère et l'agitation de la suspension pendant une durée suffisante pour modifier la forme des particules. Les particules dont la forme a été modifiée sont associées à un agent acceptable sur le plan pharmaceutique pour donner un système particulaire d'administration de médicaments.
Tiege Paul
Parlee Mclaws Llp
Virexx Medical Corp.
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