US3579494A
Expired / Lapsed
US
⏱️ 0.0 years remaining
C-sulfonated tyrosyl peptides related to cholecystokinin-pan-creozymin (cck-pz)
Assignee: ER Squibb and Sons LLC
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Filing: 1968-07-18
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Granted: 1971-05-18
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Expires: 1988-07-18
Abstract
Abstract NOVEL PEPTIDFE AMIDES OF THE GENERAL FORMULA R-MET-GLY-TRP-MET-ASP-PHE-NH2 WHEREIN R REPRESENTS L-ASPARTYL-3''-SULFONYL-L-TYROSYL, L-ASPARTYL-L-ARGINYL-L-ASPARTYL-3''-SULFONYL-L-TYROSYL, OR ISOLEUCYL - L - SERYL-LASPARTYL-L-ARGINYL-L-ASPARTYL-3''SULFONYL-L-TYROSYL, AND INTERMEDIATES IN THE PRODUCTION THEREOF. THE PEPTIDE AMIDES OF THIS INVENTION AS WELL AS THE PHARMACEUTICALLY ACCEPTABLE SALTS THEREOF HAVE BEEN FOUND TO POSSES CHOLECYSTOKININ ACTIVITY.
Inventors
- 👤 Miguel A Ondetti
- 👤 John T Sheehan
- 👤 Josip Pluscec
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:59
CPC Classifications
C; C07; C07K; C07K14/00; C07K14/435; C07K14/575; C07K14/595; A; A61; A61K; A61K38/00
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) | 1974-05-17 | 1974-11-16 | 1975-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-17 | 1978-11-16 | 1979-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-17 | 1982-11-16 | 1983-05-18 | $7700.00 | Window Closed / Lapsed |