US2611786A
Expired / Lapsed
US
⏱️ 0.0 years remaining
3-carboxylic acylamino-2, 4, 6-triiodo benzoic acids and the ethyl ester and nontoxic salts
Assignee: Mallinckrodt Chemical Works
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Filing: 1950-05-31
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Granted: 1952-09-23
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Expires: 1970-05-31
Abstract
No abstract record available.
Inventors
- 👤 Vernon H Wallingford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:28
CPC Classifications
A; A61; A61K; A61K49/00; A61K49/04; C; C07; C07C; C07C233/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
15 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF A 3-ACYLAMINO-2,4,6-TRIIODOBENZOIC ACID OF THE GENERAL FORMULA:
Claim 2
Dependent Claim
15 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF A 3-ACYLAMINO-2,4,6-TRIIODOBENZOIC ACID OF THE GENERAL FORMULA:
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-23 | 1956-03-24 | 1956-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-23 | 1960-03-24 | 1960-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-23 | 1964-03-24 | 1964-09-23 | $7700.00 | Window Closed / Lapsed |