US2994692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of preparing nu-trityl peptides
Assignee: Sanofi Aventis France
•
Filing: 1955-08-10
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Granted: 1961-08-01
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Expires: 1975-08-10
Abstract
No abstract record available.
Inventors
- 👤 Amiard Gaston
- 👤 Heymes Rene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:51
CPC Classifications
C; C07; C07D; C07D209/00; C07D209/02; C07D209/04; C07D209/10; C07D209/18; C07D209/20; C07K; C07K1/00; C07K1/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
9 words
IN A PROCESS OF PRODUCING PEPTIDES OF THE FORMULA
Claim 2
Dependent Claim
9 words
IN A PROCESS OF PRODUCING PEPTIDES OF THE FORMULA
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) | 1964-07-31 | 1965-01-30 | 1965-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-31 | 1969-01-30 | 1969-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-31 | 1973-01-30 | 1973-08-01 | $7700.00 | Window Closed / Lapsed |