Procedure to obtain calcipotriol hydrate
AssigneeLaboratorios Vinas, S.A.
InventorsAntonio Buxade Vinas, Antonio Cochillo Teruel, Carlos Mola Soler
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Abstract
Procedure to obtain the hydrate of calcipotriol. A procedure is described, used to obtain the hydrate of calcipotriol, which consists of the reaction of anhydrous calcipotriol in water, in the absence of organic solvents.
Claims7
Procedure to obtain calcipotriol hydrate consisting of making anhydrous calcipotriol react with water, in the absence of organic solvents, thus obtaining calcipotriol hydrate.
Procedure according to any claim between 1 and 4, characterized such that the proportion of water ranges between 1 and 200 parts of water per part of anhydrous calcipotriol, preferably ranging between 50 to 100 parts of water per part of anhydrous calcipotriol.
Procedure according to any claim between 1 and 5, characterized such that the pH of the solution is held above 7.
Dependencies are inferred from the claim text.