|Title:||Alkali metal 8,9-dehydroestrone sulfate esters|
|Abstract:||This invention presents alkali metal salts of 8,9-dehydroestrone, its sulfate ester, and stable compositions thereof, as well as processes for their production. The sulfate ester salts are useful in estrogen replacement therapy.|
|Inventor(s):||Raveendranath; Panolil C. (Plattsburgh, NY), Wichtowski; John A. (Albans, VT)|
|Assignee:||American Home Products Corporation (New York, NY)|
Patent Claim Types:|
see list of patent claims
|Country||Document Number||Estimated Expiration||Supplementary Protection Certificate||SPC Country||SPC Expiration|
| This preview shows a limited data set|
Subscribe for full access, or try a Trial
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.
Export unavailable in trial.
Subscribe for complete access.