Details for Patent: 6,428,810
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Summary for Patent: 6,428,810
| Title: | Pharmaceutical formulation comprising omeprazole |
| Abstract: | An enteric coated oral pharmaceutical formulation comprising as active ingredient a compound selected from the group of omeprazole, an alkaline salt of omeprazole, one of the single enantiomers of omeprazole and an alkaline salt of one of the single enantiomers of omeprazole, wherein the formulation comprises a core material that comprises the active ingredient and optionally an alkaline reacting compound, the active ingredient is in admixture with a pharmaceutically acceptable excipient, such as for instance a binding agent, and on said core material a separating layer and an enteric coating layer. A hydroxypropyl cellulose (HPC) with a specific cloud point is used in the manufacture of the claimed pharmaceutical formulations. Furthermore, the application describes the processes for their preparation and the use of the claimed formulations in medicine. |
| Inventor(s): | Bergstrand; Pontus (Gothenburg, SE), Wang; Peter (Molndal, SE) |
| Assignee: | AstraZeneca AB (Sodertalje, SE) |
| Application Number: | 09/485,218 |
| Patent Litigation and PTAB cases: | See patent lawsuits and PTAB cases for patent 6,428,810 |
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Patent Claim Types: see list of patent claims | Formulation; Compound; Composition; Use; Process; |
Drugs Protected by US Patent 6,428,810
| Applicant | Tradename | Generic Name | Dosage | NDA | Approval Date | TE | Type | RLD | RS | Patent No. | Patent Expiration | Product | Substance | Delist Req. | Patented / Exclusive Use | Submissiondate |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| >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: 6,428,810
| Foriegn Application Priority Data | ||
| Foreign Country | Foreign Patent Number | Foreign Patent Date |
| Sweden | 9803772 | Nov 05, 1998 |
| PCT Information | |||
| PCT Filed | November 03, 1999 | PCT Application Number: | PCT/SE99/01989 |
| PCT Publication Date: | May 18, 2000 | PCT Publication Number: | WO00/27366 |
International Family Members for US Patent 6,428,810
| Country | Patent Number | Estimated Expiration | Supplementary Protection Certificate | SPC Country | SPC Expiration |
|---|---|---|---|---|---|
| Austria | 244002 | ⤷ Try a Trial | |||
| Australia | 1434600 | ⤷ Try a Trial | |||
| Australia | 774278 | ⤷ Try a Trial | |||
| Brazil | 9915087 | ⤷ Try a Trial | |||
| Canada | 2346988 | ⤷ Try a Trial | |||
| >Country | >Patent Number | >Estimated Expiration | >Supplementary Protection Certificate | >SPC Country | >SPC Expiration |
