Patent US2663618A successfully refreshed from Google Patents.
US2663618A
Expired / Lapsed
US
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Leaching manganese ore
Assignee: Manganese Chemicals Corp
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Filing: 1951-08-23
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Granted: 1953-12-22
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Expires: 1971-08-23
Abstract
No abstract record available.
Inventors
- 👤 Bernard R Babbitt
- 👤 Charles B Kunz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:51
CPC Classifications
C; C22; C22B; C22B47/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
IN TAHE PROCESS OF LEACHING MANGANESE FROM WATER-WET PARTICULATE ORE MATERIAL CONTAINING MANGANOUS OXIDE USING AN LEACHING SOLUTION AN AMMONIACAL SOLUTION OF AN AMMONIUM SALT, THE STEP OF CONDITIONING THE WATER-WET ORE PARTICLES FOR SUBSEQUENT LEACHING WHICH CONSISTS IN TREATING AT LEAST A SUBSTANTIAL PART OF THE WATER-WET ORE PARTICLES WITH A GAS RICH IN AMMONIA PRIOR TO INITIATING THE LEACHING OPERATION.
Claim 2
Dependent Claim
62 words
IN TAHE PROCESS OF LEACHING MANGANESE FROM WATER-WET PARTICULATE ORE MATERIAL CONTAINING MANGANOUS OXIDE USING AN LEACHING SOLUTION AN AMMONIACAL SOLUTION OF AN AMMONIUM SALT, THE STEP OF CONDITIONING THE WATER-WET ORE PARTICLES FOR SUBSEQUENT LEACHING WHICH CONSISTS IN TREATING AT LEAST A SUBSTANTIAL PART OF THE WATER-WET ORE PARTICLES WITH A GAS RICH IN AMMONIA PRIOR TO INITIATING THE LEACHING OPERATION.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-21 | 1957-06-22 | 1957-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-21 | 1961-06-22 | 1961-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-21 | 1965-06-22 | 1965-12-22 | $7700.00 | Window Closed / Lapsed |