US3880825A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Des-His{hu 2{b ,Ala{hu 2 {b and Phe{hu 3,5 {b analogs of luteinizing hormone
Assignee: Daiichi Pharmaceutical Co Ltd
•
Filing: 1973-09-25
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Granted: 1975-04-29
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Expires: 1993-09-25
Abstract
Abstract Peptides represented by the general formula:
Inventors
- 👤 Shunpei Sakakibara
- 👤 Terutoshi Kimura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:55
CPC Classifications
C; C07; C07K; C07K7/00; C07K7/04; C07K7/23; A; A61; A61K; A61K38/00; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/55; Y10; Y10S; Y10S930/00; Y10S930/01; Y10S930/13
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
19 words
A COMPOUND OF THE FORMULA: (PYRO) GLU-ALA-TRP-SER-TYR-GLY-LEU-ARG-PRO-GLY-NH2 WHICH IS BIOLOGICALLY ACTIVE IN DECREASING THE RELEASE OF A LUTEINIZING HORMONE.
Claim 2
Dependent Claim
19 words
A COMPOUND OF THE FORMULA: (PYRO) GLU-ALA-TRP-SER-TYR-GLY-LEU-ARG-PRO-GLY-NH2 WHICH IS BIOLOGICALLY ACTIVE IN DECREASING THE RELEASE OF A LUTEINIZING HORMONE.
Claim 3
Dependent Claim
19 words
A compound of the formula: (pyro) Glu-His-Phe-Ser-Phe-Gly-Leu-Arg-Pro-Gly-NH2 which is biologically active in increasing the release of a luteinizing hormone.
Claim 4
Dependent Claim
19 words
A compound of the formula: (pyro) Glu-His-Phe-Ser-Phe-Gly-Leu-Arg-Pro-Gly-NH2 which is biologically active in increasing the release of a luteinizing hormone.
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) | 1978-04-28 | 1978-10-28 | 1979-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-04-28 | 1982-10-28 | 1983-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-04-28 | 1986-10-28 | 1987-04-29 | $7700.00 | Window Closed / Lapsed |