| US 7,507,865 B2 | ||
| Method for obtaining calcipotriol hydrate | ||
| Antonio Buxadé Viñas, Barcelona (Spain); Antonio Conchillo Teruel, Barcelona (Spain); and Carlos Mola Soler, Barcelona (Spain) | ||
| Assigned to Laboratorios Vinas, S.A., (Spain) | ||
| Filed on Dec. 28, 2007, as Appl. No. 12/5,698. | ||
| Claims priority of application No. 200603291 (ES), filed on Dec. 28, 2006. | ||
| Prior Publication US 2008/0167505 A1, Jul. 10, 2008 | ||
| Int. Cl. C07C 35/21 (2006.01); C07C 35/22 (2006.01) | ||
| U.S. Cl. 568—816 [568/817] | 7 Claims |
| 1. Procedure to obtain calcipotriol hydrate consisting of making anhydrous calcipotriol react with water, in the absence of organic solvents, thus obtaining calcipotriol hydrate. |