US2680133A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Iodine-containing amino-benzoyl derivatives of amino acids
Assignee: Mallinckrodt Chemical Works
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Filing: 1951-08-24
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Granted: 1954-06-01
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Expires: 1971-08-24
Abstract
No abstract record available.
Inventors
- 👤 Vernon H Wallingford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:18
CPC Classifications
C; C07; C07K; C07K1/00; C07K1/006; A; A61; A61K; A61K49/00; A61K49/04; A61K49/0433
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS HAVING THE FORMULA:
Claim 2
Dependent Claim
12 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS HAVING THE FORMULA:
References Cited (Backward Citations)
US2135474A
Cited
US2160413A
Cited
GB514103A
Cited
US2570297A
Cited
US2571515A
Cited
US2587936A
Cited
US2611786A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-31 | 1957-11-30 | 1958-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-31 | 1961-11-30 | 1962-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-31 | 1965-11-30 | 1966-06-01 | $7700.00 | Window Closed / Lapsed |