Process for producing specific crystal modifications of...

Details Process for producing specific crystal modifications of... Process for producing specific crystal modifications of...

B - Operations, Transporting

01

D

B01D 9/00 (2006.01) A01N 41/10 (2006.01) C07C 317/46 (2006.01)

Patent

CA 2487785

The invention concerns a method for producing specific crystalline modifications of an organic polymorphous substance. In accordance with said method, the specific crystalline modification is obtained by precipitation from a salt of the polymorphous substance present in an aqueous solution, by means of standard water-soluble organic solvents used as additives and an acid or a base.

L'invention concerne un procédé de réalisation d'une modification cristalline spécifique d'une substance polymorphe organique. Selon ledit procédé, la modification cristalline spécifique est obtenue par précipitation à partir du sel de la substance polymorphe présent dans une solution aqueuse, au moyen de solvants organiques hydrosolubles habituels utilisés comme additifs et d'un acide ou d'une base.

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