US3290366A
Expired / Lapsed
US
⏱️ 0.0 years remaining
5-amino-nu-alkyl-2, 4, 6-triiodoisophthalamic acid derivatives
Assignee: Mallinckrodt Chemical Works
•
Filing: 1963-03-06
•
Granted: 1966-12-06
•
Expires: 1983-03-06
Abstract
No abstract record available.
Inventors
- 👤 George B Hoey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:53
CPC Classifications
C; C07; C07C; C07C233/00; A; A61; A61K; A61K49/00; A61K49/04; C07C233/01; C07C233/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
8 words
A COMPOUND SELECTED FROM COMPOUNDS OF THE FORMULA:
Claim 2
Dependent Claim
8 words
A COMPOUND SELECTED FROM COMPOUNDS OF THE FORMULA:
References Cited (Backward Citations)
US2776241A
Cited
GB785670A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |