US2744941A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyiodinated benzotrifluorides
Assignee: Ambac International Corp
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Filing: 1953-03-04
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Granted: 1956-05-08
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Expires: 1973-03-04
Abstract
No abstract record available.
Inventors
- 👤 Robert J Hartle
- 👤 Glenn W Kinzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:13
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01B3/20; H01B3/24; C; C07; C07C; C07C17/00; C07C17/093; C07C17/10; C07C17/12
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
114 words
A HIGH DENSITY LIQUID REACTION PRODUCT HAVING A DENSITY OF NOT LESS THAN 2,5 G./ML. AT 85* C. AND HAVING A FREEZING POINT NOT GREATER THAN 75* C. PRODUCED BY THE PROCESS COMPRISING HEATING TO A TEMPERATUE WITHIN THE RANGE OF 60* C.-100* C. MIXTURE OF IODINE, AN OXIDIZING IODINE COMPOUND SELECTED FROM THE CLASS CONSISTING OF IODIC ACID, IODIC ACID ANHYDRIDE AND AN ALKALI METAL IODATE, AND A BENZOTRIFLUORIDE SELECTED FROM THE GROUP CONSISTING OF BENZOTRIFLUORIDE AND META-BROMOBENZOTRIFLUORIDE IN A MEDIUM OF CONCENTRATED SULFURIC ACID, THE IODINE AND THE OXIDIZING IODINE COMPOUND BEING PRESENT IN MOLECULAR PORPORTIONS OF AT LEAST ABOUT FOUR TO ONE AND RECOVERING THE HIGH DENSITTY POLYIODOBENZOTRIFLUORIDE LIQUID THUS PRODUCTED.
References Cited (Backward Citations)
US2174512A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-08 | 1959-11-07 | 1960-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-08 | 1963-11-07 | 1964-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-08 | 1967-11-07 | 1968-05-08 | $7700.00 | Window Closed / Lapsed |