Patent US2850491A successfully refreshed from Google Patents.
US2850491A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Peptide derivatives and process for their manufacture
Assignee: CIBA PHARM PROD Inc
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Filing: 1956-07-02
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Granted: 1958-09-02
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Expires: 1976-07-02
Abstract
No abstract record available.
Inventors
- 👤 Brenner Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:37
CPC Classifications
C; C07; C07K; C07K1/00; C07K1/06; C07K1/08
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
68 words
PROCESS FOR THE MANUFACTURE OF PEPTIDES, CONSISTING IN TREATING AN O-PHENYLENE-CARBOXYLIC ACID AMIDE THE CARBONYL GROUP OF WHICH IS CONNECTED WIT THE RADICAL OF A NATURAL AMINO ACID, AND THE SUBSTITUENT OF WHICH IN THE ORTHO-POSITION IS A MEMBER OF THE GROUP CONSISTING OF THE RESIDUES -O-CO-R-NH2 AND -S-CO-R-NH2 IN WHICH RESIDUES R STANDS FOR THE DIVALENT RADICAL OF A NATURAL AMINO CARBOXYLIC ACID, WITH A BASIC AGENT.
Claim 2
Dependent Claim
68 words
PROCESS FOR THE MANUFACTURE OF PEPTIDES, CONSISTING IN TREATING AN O-PHENYLENE-CARBOXYLIC ACID AMIDE THE CARBONYL GROUP OF WHICH IS CONNECTED WIT THE RADICAL OF A NATURAL AMINO ACID, AND THE SUBSTITUENT OF WHICH IN THE ORTHO-POSITION IS A MEMBER OF THE GROUP CONSISTING OF THE RESIDUES -O-CO-R-NH2 AND -S-CO-R-NH2 IN WHICH RESIDUES R STANDS FOR THE DIVALENT RADICAL OF A NATURAL AMINO CARBOXYLIC ACID, WITH A BASIC AGENT.
Claim 3
Dependent Claim
55 words
AN O-PHENYLENE-CARBOXYLIC ACID AMIDE THE CARBONYL GROUP OF WHICH IS CONNECTED WITH THE RADICAL OF A NATURAL AMINO ACID, AND THE SUBSTITUENT OF WHICH IN THE ORTHOPOSITION IS A MEMBER OF THE GROUP CONSISTING OF THE RESIDUES -O-CO-R-NH2 AND -S-CO-R-NH2 IN WHICH RESIDUES R STANDS FOR THE DIVALENT RADICAL OF A NATURAL AMINO CARBOXYLIC ACID.
Claim 4
Dependent Claim
55 words
AN O-PHENYLENE-CARBOXYLIC ACID AMIDE THE CARBONYL GROUP OF WHICH IS CONNECTED WITH THE RADICAL OF A NATURAL AMINO ACID, AND THE SUBSTITUENT OF WHICH IN THE ORTHOPOSITION IS A MEMBER OF THE GROUP CONSISTING OF THE RESIDUES -O-CO-R-NH2 AND -S-CO-R-NH2 IN WHICH RESIDUES R STANDS FOR THE DIVALENT RADICAL OF A NATURAL AMINO CARBOXYLIC ACID.
Claim 5
Dependent Claim
41 words
AN O-PHENYLENE-CARBOXYLIC ACID AMIDE THE CARBONYL GROUP OF WHICH IS CONNECTED WITH A CHAIN OF AT LEAST TWO RADICALS OF NATURAL AMINO ACIDS AND WHICH CONTAINS IN THE ORTHO-POSITION A MEMBER OF THE GROUP CONSISTING OF THE RADICALS -OH AND -SH.
Claim 6
Dependent Claim
41 words
AN O-PHENYLENE-CARBOXYLIC ACID AMIDE THE CARBONYL GROUP OF WHICH IS CONNECTED WITH A CHAIN OF AT LEAST TWO RADICALS OF NATURAL AMINO ACIDS AND WHICH CONTAINS IN THE ORTHO-POSITION A MEMBER OF THE GROUP CONSISTING OF THE RADICALS -OH AND -SH.
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) | 1961-09-01 | 1962-03-03 | 1962-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-01 | 1966-03-03 | 1966-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-01 | 1970-03-03 | 1970-09-02 | $7700.00 | Window Closed / Lapsed |