US3210412A
Expired / Lapsed
US
⏱️ 0.0 years remaining
m-(alkanamidoalkanamido)-2, 4, 6-triiodobenzoic acid compounds
Assignee: Mallinckrodt Chemical Works
•
Filing: 1962-02-06
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Granted: 1965-10-05
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Expires: 1982-02-06
Abstract
No abstract record available.
Inventors
- 👤 Douglas W Chapman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:19
CPC Classifications
C; C07; C07C; C07C233/00; A; A61; A61K; A61K49/00; A61K49/04; C07C237/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
A COMPOUND SELECTED FROM THE GROUP REPRESENTED BY THE GENERAL FORMULA:
Claim 2
Dependent Claim
11 words
A COMPOUND SELECTED FROM THE GROUP REPRESENTED BY THE GENERAL FORMULA:
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |