C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 207/34 (2006.01)
Patent
CA 2391357
A factory scale process for producing crystalline atorvastatin calcium includes the step of drying the isolated product in a vacuum pan dryer. The vacuum pan dryer has an agitator which is continuously rotated at a speed of approximately 1 rpm. High quality material is routinely and consistently produced with reduced cycle time.
L'invention concerne un procédé amélioré pour produire de l'atorvastatine calcique cristallin à l'échelle d'une fabrique, le procédé consistant à sécher le produit isolé dans un séchoir à vide. Le séchoir à vide comprend un agitateur qui tourne à une vitesse continue d'à peu près 1 tour par minute. On produit de façon régulière et constante du matériau de bonne qualité avec un temps de cycle réduit.
Madigan Evelyn
O'connell John
Tully William
Moffat & Co.
Warner Lambert Research And Development Ireland Limited
LandOfFree
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