US3044862A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for recovering iodine from mixtures of iodine, hydrogen iodide and water
Assignee: Shell USA Inc
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Filing: 1959-04-06
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Granted: 1962-07-17
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Expires: 1979-04-06
Abstract
No abstract record available.
Inventors
- 👤 Albert P Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:30
CPC Classifications
C; C01; C01B; C01B7/00; C01B7/13
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
67 words
A PROCESS FOR THE RECOVERY OF ELEMENTAL IODINE FROM A HOMOGENEOUS LIQUID-PHASE MIXTURE COMPRISING ESSENTIALLY THE COMPONENTS: ELEMENTAL IODINE, HYDROGEN IODIDE AND WATER, THE WEIGHT RATIO OF WATER TO HYDROGEN IODIDE IN THE MIXTURE, CALCULATED ON AN ELEMENTAL IODINE-FREE BASIS, LYING WITHIN THE RANGE OF FROM 1:1 TO 50:1, SAID PROCESS COMPRISING PASSING AN IODINE-INERT GAS THROUGH SAID MIXTURE, AND RECOVERING ELEMENTAL IODINE FROM THE GASEOUS EFFLUENT.
References Cited (Backward Citations)
US1324761A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-16 | 1966-01-15 | 1966-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-16 | 1970-01-15 | 1970-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-16 | 1974-01-15 | 1974-07-17 | $7700.00 | Window Closed / Lapsed |