US3749774A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Secretin preparation having prolonged action and the procedure of manufacture
Assignee: Hoechst AG
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Filing: 1972-01-27
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Granted: 1973-07-31
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Expires: 1992-01-27
Abstract
Abstract SECRETIN PREPARATIION HAVING PROLOGNED ACTION WHICH COMPRISES A CONTENT OF (A) SECRETIN (B) AN AQUEOUS SOLUTION OF GELATIN-DRIVATIVE CROSS-LINKED WITH HEXAMETHYLENE-DIISOCYANATE AND (C) POLYPHLORETIN PHOSPHATE AND A PROCESS FOR THE MANUFACTURE THEREOF.
Inventors
- 👤 R Schleyerbach
- 👤 R Geiger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:44
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/0012; A61K9/0019
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-07-30 | 1977-01-29 | 1977-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-30 | 1981-01-29 | 1981-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-30 | 1985-01-29 | 1985-07-31 | $7700.00 | Window Closed / Lapsed |