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|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)|
Patent Claim Types:|
see list of patent claims
|Use; Composition; Dosage form;|
|Foriegn Application Priority Data|
|Foreign Country||Foreign Patent Number||Foreign Patent Date|
|Switzerland||9474/70||Jun 23, 1970|
|Country||Document Number||Estimated Expiration||Supplementary Protection Certificate||SPC Country||SPC Expiration|
|France||2100815||<disabled in preview>|
|Ireland||35391||<disabled in preview>|
|United Kingdom||1335867||<disabled in preview>|
| 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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