Patent US4098778A successfully refreshed from Google Patents.
US4098778A
Expired / Lapsed
US
⏱️ 0.0 years remaining
β-Endorphin analog
Assignee: University of California Berkeley
•
Filing: 1977-06-30
•
Granted: 1978-07-04
•
Expires: 1997-06-30
Abstract
Abstract The β-endorphin analog β-endorphin (6-31), although lacking the enkephalin moiety i.e., β-endorphin (1-5) exhibits analgesic activity which is not reversed by naloxone.
Inventors
- 👤 Choh Hao Li
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:44
CPC Classifications
C; C07; C07K; C07K14/00; C07K14/435; C07K14/665; C07K14/675; C07K14/6755; A; A61; A61P; A61P25/00; A61P25/04
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
9 words
An analog of β-endorphin of the sequence β-endorphin (6-31).
Claim 2
Dependent Claim
9 words
An analog of β-endorphin of the sequence β-endorphin (6-31).
Claim 3
Dependent Claim
11 words
The analog of claim 1 which is β h -endorphin (6-31).
Claim 4
Dependent Claim
11 words
The analog of claim 1 which is β c -endorphin (6-31).
Claim 5
Dependent Claim
11 words
The analog of claim 1 which is β p -endorphin (6-31).
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) | 1981-07-03 | 1982-01-02 | 1982-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-07-03 | 1986-01-02 | 1986-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-07-03 | 1990-01-02 | 1990-07-04 | $7700.00 | Window Closed / Lapsed |