Synthesis of small particles

A - Human Necessities – 61 – K

Patent

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Details

A61K 9/14 (2006.01) A61K 38/28 (2006.01) A61P 3/10 (2006.01) A61K 9/00 (2006.01)

Patent

CA 2431179

The invention provides a method for forming fine particles of a substance, the method including contacting a non-gaseous fluid containing the substance with a dense gas to expand the fluid, the dense gas including (a) an anti-solvent and (b) a modifying agent which modifies the polarity of the anti-solvent, and particles formed by the method.

L'invention concerne un procédé de formation de fines particules d'une substance, le procédé consistant à mettre un fluide non gazeux contenant la substance en contact avec un gaz dense afin de dilater le fluide, le gaz dense contenant (a) un anti-solvant et (b) un agent modifiant lequel modifie la polarité de l'anti-solvant, ainsi que les particules formées par le procédé.

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