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Generated: October 21, 2017
| Title: | Stable prostaglandin E gels utilizing colloidal silicon dioxide as a gel-forming agent |
| Abstract: | The present invention provides an improved class of stable gels of prostaglandin E compounds prepared from solutions of prostaglandin E compounds in a pharmaceutically acceptable, stabilizing organic solvent, e.g., triacetin, gelled by the addition of colloidal silicon dioxide. |
| Inventor(s): | Johnson; Brian S. (Crawley, GB) |
| Assignee: | The Upjohn Company (Kalamazoo, MI) |
| Application Number: | 06/674,357 |
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Patent Claim Types: see list of patent claims | Dosage form; |
| Foriegn Application Priority Data | ||
| Foreign Country | Foreign Patent Number | Foreign Patent Date |
| United Kingdom | 8208322 | Mar 22, 1982 |
| Country | Document Number | Estimated Expiration | Supplementary Protection Certificate | SPC Country | SPC Expiration | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Germany | 3381898 | ► Subscribe | |||||||||||||
| Finland | 81962 | ► Subscribe | |||||||||||||
| Denmark | 127883 | ► Subscribe | |||||||||||||
| Denmark | 167139 | ► Subscribe | |||||||||||||
| European Patent Office | 0089768 | ► Subscribe | |||||||||||||
| Finland | 830890 | ► Subscribe | |||||||||||||
| Hong Kong | 91993 | ► Subscribe | |||||||||||||
| Japan | S58167509 | ► Subscribe | |||||||||||||
| Japan | H0322850 | ► Subscribe | |||||||||||||
| Norway | 830988 | ► Subscribe | |||||||||||||
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
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