Patent US2828184A successfully refreshed from Google Patents.
US2828184A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of alkali metal or alkali earth metal iodates and iodides
Assignee: Individual
•
Filing: 1954-04-13
•
Granted: 1958-03-25
•
Expires: 1974-04-13
Abstract
No abstract record available.
Inventors
- 👤 Behrman Abraham Sidney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:13
CPC Classifications
C; C01; C01D; C01D3/00; C01D3/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A PROCESS FOR PREPARING IODATES AND IODIDES WHICH COMPRISES REACTING ELEMENTAL IODINE WITH A WATER-SOLUBLE HYDROXIDE SELECTED FROM THE GROUP CONSISTING OF THE WATER-SOLUBLE ALKALI METAL ND ALKALINE EARTH METAL HYDROXIDES IN SUBSTANTIALLY STOICHIOMETRIC PROPORTIONS SO AS TO PRODUCE A SUBSTANTIALLY NEUTRAL REACTION MIXTURE AND IN SUFFICIENTLY CONCENTRATED AQUEOUS SOLUTION TO PRECIPITATE A SUBSTANTIAL QUANTITY OF THE IODATE FORMED IN THE REACTION, SEPARATING THE PRECIPITATED IODATE FROM THE SOLUTION, REDUCING THE IODATE IN THE IODIDE-IODATE SOLUTION TO IODIDE WITH AN AMPHOTERIC METAL SELECTED FROM THE GROUP CONSISITING OF ALUMINUM AND ZINC, AND RECOVERY THE IODIDE FROM THE SOLUTION.
Claim 2
Dependent Claim
98 words
A PROCESS FOR PREPARING IODATES AND IODIDES WHICH COMPRISES REACTING ELEMENTAL IODINE WITH A WATER-SOLUBLE HYDROXIDE SELECTED FROM THE GROUP CONSISTING OF THE WATER-SOLUBLE ALKALI METAL ND ALKALINE EARTH METAL HYDROXIDES IN SUBSTANTIALLY STOICHIOMETRIC PROPORTIONS SO AS TO PRODUCE A SUBSTANTIALLY NEUTRAL REACTION MIXTURE AND IN SUFFICIENTLY CONCENTRATED AQUEOUS SOLUTION TO PRECIPITATE A SUBSTANTIAL QUANTITY OF THE IODATE FORMED IN THE REACTION, SEPARATING THE PRECIPITATED IODATE FROM THE SOLUTION, REDUCING THE IODATE IN THE IODIDE-IODATE SOLUTION TO IODIDE WITH AN AMPHOTERIC METAL SELECTED FROM THE GROUP CONSISITING OF ALUMINUM AND ZINC, AND RECOVERY THE IODIDE FROM THE SOLUTION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-24 | 1961-09-23 | 1962-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-24 | 1965-09-23 | 1966-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-24 | 1969-09-23 | 1970-03-25 | $7700.00 | Window Closed / Lapsed |