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Drug patents …
… from Kazakhstan to Kalamazoo
|Title:||Crystalline form of a vitamin D analogue|
|Abstract:||The present invention relates to calcipotriol hydrate--a new crystalline form of calcipotriol--with superior technical properties and with superior stability.|
|Inventor(s):||Hansen; Erik Torngaard (Hundested, DK), Andersen; Niels Smidt Rastrup (Vanlose, DK), Ringborg; Lene Hoffmeyer (Bronshoj, DK)|
|Assignee:||Leo Pharma A/S (Ballerup, DK)|
Patent Claim Types:|
see list of patent claims
|Compound; Composition; Use; Formulation;|
|Country||Document Number||Estimated Expiration||Supplementary Protection Certificate||SPC Country||SPC Expiration|
| This preview shows a limited data set|
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.
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