US2913451A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Iodophenylamidoalkanesulfonic acid compounds
Assignee: Mallinckrodt Chemical Works
•
Filing: 1957-04-04
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Granted: 1959-11-17
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Expires: 1977-04-04
Abstract
No abstract record available.
Inventors
- 👤 Mater George B De La
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:11
CPC Classifications
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)
US2705726A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-16 | 1963-05-18 | 1963-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-16 | 1967-05-18 | 1967-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-16 | 1971-05-18 | 1971-11-17 | $7700.00 | Window Closed / Lapsed |