Patent US2793204A successfully refreshed from Google Patents.
US2793204A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the synthesis of peptides
Assignee: Organon NV
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Filing: 1956-03-26
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Granted: 1957-05-21
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Expires: 1976-03-26
Abstract
No abstract record available.
Inventors
- 👤 Arens Josef Ferdinand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:35
CPC Classifications
C; C07; C07K; C07K1/00; C07K1/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
IN A PROCESS OF PREPARING PEPTIDES, THE STEP COMPRISING CONDENSING A COMPOUND SELECTED FROM THE GROUP CONSISTING OF AN AMINO ACID AND A PEPTIDE HAVING A FREE CARBOXYL GROUP, WITH A COMPOUND SELECTED FROM THE GROUP CONSISTING OF AN AMINO ACID AND A PEPTIDE HAVING A FREE AMINO GROUP, BY MEANS OF AN ACETYLENE ETHER AS CONDENSING AGENT.
Claim 2
Dependent Claim
58 words
IN A PROCESS OF PREPARING PEPTIDES, THE STEP COMPRISING CONDENSING A COMPOUND SELECTED FROM THE GROUP CONSISTING OF AN AMINO ACID AND A PEPTIDE HAVING A FREE CARBOXYL GROUP, WITH A COMPOUND SELECTED FROM THE GROUP CONSISTING OF AN AMINO ACID AND A PEPTIDE HAVING A FREE AMINO GROUP, BY MEANS OF AN ACETYLENE ETHER AS CONDENSING AGENT.
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) | 1960-05-20 | 1960-11-19 | 1961-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-20 | 1964-11-19 | 1965-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-20 | 1968-11-19 | 1969-05-21 | $7700.00 | Window Closed / Lapsed |