Details for Patent: 4,680,312
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Summary for Patent: 4,680,312
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 |
Patent Claim Types: see list of patent claims | Dosage form; |
Drugs Protected by US Patent 4,680,312
Applicant | Tradename | Generic Name | Dosage | NDA | Approval Date | TE | Type | RLD | RS | Patent No. | Patent Expiration | Product | Substance | Delist Req. | Patented / Exclusive Use | Submissiondate |
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>Applicant | >Tradename | >Generic Name | >Dosage | >NDA | >Approval Date | >TE | >Type | >RLD | >RS | >Patent No. | >Patent Expiration | >Product | >Substance | >Delist Req. | >Patented / Exclusive Use | >Submissiondate |
Foreign Priority and PCT Information for Patent: 4,680,312
Foriegn Application Priority Data | ||
Foreign Country | Foreign Patent Number | Foreign Patent Date |
United Kingdom | 8208322 | Mar 22, 1982 |
International Family Members for US Patent 4,680,312
Country | Patent Number | Estimated Expiration | Supplementary Protection Certificate | SPC Country | SPC Expiration |
---|---|---|---|---|---|
Germany | 3381898 | ⤷ Try a Trial | |||
Denmark | 127883 | ⤷ Try a Trial | |||
Denmark | 167139 | ⤷ Try a Trial | |||
European Patent Office | 0089768 | ⤷ Try a Trial | |||
Finland | 81962 | ⤷ Try a Trial | |||
Finland | 830890 | ⤷ Try a Trial | |||
Hong Kong | 91993 | ⤷ Try a Trial | |||
>Country | >Patent Number | >Estimated Expiration | >Supplementary Protection Certificate | >SPC Country | >SPC Expiration |