US3890437A
Expired / Lapsed
US
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Method of inhibiting fertility in mammals using D{13 Phe{hu 2{b {13 D{13 Ala{hu 6{b {13 LRF
Assignee: Wyeth LLC
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Filing: 1974-07-05
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Granted: 1975-06-17
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Expires: 1994-07-05
Abstract
Abstract D-Phe2-D-Ala6-LRF, is described as well as its synthesis by solid phase techniques and novel intermediates formed by such synthesis. The novel decapeptide exhibits anti-ovulatory activity in mammals.
Inventors
- 👤 Theodore J Foell
- 👤 John P Yardley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:14
CPC Classifications
C; C07; C07K; C07K7/00; C07K7/04; C07K7/23; A; A61; A61K; A61K38/00; Y; Y10; Y10S; Y10S930/00; Y10S930/01; Y10S930/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
31 words
A METHOD OF INHIBITING FERTILITY IN A FEMALE MAMMAL WHICH COMPRISES ADMINISTERING TO SAID MAMMAL AN EFFECTIVE AMOUNT FOR INHIBITING FERTILITY OF A COMPOUND SELECTED FROM P-L-GLU-D-PHE-L-TRP-L-SER-L-TYR-D-ALA-LEU-L-ARG-L-PROLY-NH2 AND ITS NON-TOXIC SALTS.
Claim 2
Independent Claim
31 words
A METHOD OF INHIBITING FERTILITY IN A FEMALE MAMMAL WHICH COMPRISES ADMINISTERING TO SAID MAMMAL AN EFFECTIVE AMOUNT FOR INHIBITING FERTILITY OF A COMPOUND SELECTED FROM P-L-GLU-D-PHE-L-TRP-L-SER-L-TYR-D-ALA-LEU-L-ARG-L-PROLY-NH2 AND ITS NON-TOXIC SALTS.
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) | 1978-06-16 | 1978-12-16 | 1979-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-06-16 | 1982-12-16 | 1983-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-06-16 | 1986-12-16 | 1987-06-17 | $7700.00 | Window Closed / Lapsed |