US2830079A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixed salts of 3, 4, 5, 6-tetraiodophthalic acid opaque to x-radiation
Assignee: Wyeth LLC
•
Filing: 1953-02-02
•
Granted: 1958-04-08
•
Expires: 1973-02-02
Abstract
No abstract record available.
Inventors
- 👤 William F Bruce
- 👤 Diamond Julius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:21
CPC Classifications
C; C07; C07C; C07C63/00; C07C63/68; A; A61; A61K; A61K49/00; A61K49/04; A61K49/0433
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA:
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FORMULA:
References Cited (Backward Citations)
US2247880A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-07 | 1961-10-07 | 1962-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-07 | 1965-10-07 | 1966-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-07 | 1969-10-07 | 1970-04-08 | $7700.00 | Window Closed / Lapsed |