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Serving leading biopharmaceutical companies globally:

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Generated: December 13, 2017

DrugPatentWatch Database Preview

Details for Patent: 4,464,394

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Summary for Patent: 4,464,394

Title: Compositions and methods for using 13-cis vitamin A acid compounds
Abstract:Methods for the prophylaxis of certain premalignant conditions and epithelial carcinomas comprising systemically administrating 13-cis vitamin A acid and a suitable pharmaceutical carrier material are described and compositions containing 13-cis Vitamin A acid suitable for systemic administration are disclosed.
Inventor(s): Bollag; Werner (Basel, CH)
Assignee: Hoffmann LaRoche Inc. (Nutley, NJ)
Application Number:06/283,585
Patent Claim Types:
see list of patent claims
Use; Composition; Dosage form;

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Foreign Priority and PCT Information for Patent: 4,464,394

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Switzerland9474/70Jun 23, 1970

International Patent Family for Patent: 4,464,394

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
France2100815► Subscribe
Ireland35391► Subscribe
United Kingdom1335867► Subscribe
Germany2128462► Subscribe
Canada967484► Subscribe
Israel37026► Subscribe
Netherlands7108586► Subscribe
Netherlands170921► Subscribe
South Africa7103539► Subscribe
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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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Serving leading biopharmaceutical companies globally:

Daiichi Sankyo
Farmers Insurance
Queensland Health
Harvard Business School

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