US4212797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthetic pentapeptide having opiate agonist activity
Assignee: Beckman Coulter Inc
•
Filing: 1976-02-02
•
Granted: 1980-07-15
•
Expires: 1996-02-02
Abstract
Abstract A synthetic pentapeptide of opiate agonist activity having the formula H-Tyr-Gly-Gly-Phe-Met-NH 2 formed in a solid-state method.
Inventors
- 👤 Brenton G. A. Hanlon
- 👤 Jaw-Kang Chang
- 👤 Bosco T. W. Fong
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:29
CPC Classifications
C; C07; C07K; C07K14/00; C07K14/435; C07K14/665; C07K14/70; C07K14/702; A; A61; A61K; A61K38/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
A synthetic pentapeptide with opiate agonist activity having the formula H-Tyr-Gly-Gly-Phe-Met-NH 2 .
Claim 2
Dependent Claim
13 words
A synthetic pentapeptide with opiate agonist activity having the formula H-Tyr-Gly-Gly-Phe-Met-NH 2 .
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) | 1983-07-15 | 1984-01-14 | 1984-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-07-15 | 1988-01-14 | 1988-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-07-15 | 1992-01-14 | 1992-07-15 | $7700.00 | Window Closed / Lapsed |