Patent US3705887A successfully refreshed from Google Patents.
US3705887A
Expired / Lapsed
US
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Cyclic decapeptides and methods of synthesizing the same
Assignee: C.H. Boehringer Sohn AG and Co KG
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Filing: 1968-10-09
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Granted: 1972-12-12
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Expires: 1988-10-09
Abstract
Abstract THE COMPOUNDS ARE DERIVATIVES OF ANTAMANIDE, AND THEIR SYNTHESIS INVOLVES THE CYCLIZATION OF THE CORRESPONDING ACYCLIC DECAPEPTIDE.
Inventors
- 👤 Theodor Wieland
- 👤 Wilhelm Konz
- 👤 Jurgen Faesel
- 👤 Jurgen Lewalter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:31
CPC Classifications
C; C07; C07K; C07K7/00; C07K7/64; Y; Y10; Y10S; Y10S930/00; Y10S930/01; Y10S930/27
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) | 1975-12-12 | 1976-06-12 | 1976-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-12-12 | 1980-06-12 | 1980-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-12-12 | 1984-06-12 | 1984-12-12 | $7700.00 | Window Closed / Lapsed |