Finely divided solid crystalline powders via precipitation...

Details Finely divided solid crystalline powders via precipitation... Finely divided solid crystalline powders via precipitation...

C - Chemistry, Metallurgy

07

D

260/109, 260/119

C07D 499/04 (2006.01) A01N 25/12 (2006.01) A61K 9/14 (2006.01) B01F 3/00 (2006.01) C07J 5/00 (2006.01) C07J 71/00 (2006.01) B01F 3/04 (2006.01)

Patent

CA 1338106

The present invention is a process for producing a finely divided solid which comprises (1) dissolving the solid to be finely divided in a liquid carrier solvent to form an injection solution and (2) adding the injection solution of step (1) to a volume of anti- solvent sufficient to precipitate or crystallize the solid. The solid can be a pharmaceutical, agricultural chemical, commercial chemical, fine chemical, food item, photographic chemical, dye, paint, polymer or cosmetic.

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