US3157650A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amides of 2-aryl-ethanoic acids
Assignee: Cilag Chemie Ltd
•
Filing: 1962-09-04
•
Granted: 1964-11-17
•
Expires: 1982-09-04
Abstract
No abstract record available.
Inventors
- 👤 Habicht Ernst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:26
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/16; C07D413/00; C07D413/02; C07D413/12
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
29 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF AN AMIDE OF A 2-ARYL-2-AMINOALKYLMERCAPTO-ETHANOIC ACID, ITS PHARAMACEUTICALLY ACCEPTABLE ACID ADDITION SALTS AND ITS SULFOXIDES, SAID AMIDE BEING OF THE FORMULA
Claim 2
Dependent Claim
29 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF AN AMIDE OF A 2-ARYL-2-AMINOALKYLMERCAPTO-ETHANOIC ACID, ITS PHARAMACEUTICALLY ACCEPTABLE ACID ADDITION SALTS AND ITS SULFOXIDES, SAID AMIDE BEING OF THE FORMULA
Claim 3
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 4
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
References Cited (Backward Citations)
US3080415A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-17 | 1968-05-18 | 1968-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-17 | 1972-05-18 | 1972-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-17 | 1976-05-18 | 1976-11-17 | $7700.00 | Window Closed / Lapsed |