US3106451A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing manganese sulfate
Assignee: United Guardian Inc
•
Filing: 1960-11-01
•
Granted: 1963-10-08
•
Expires: 1980-11-01
Abstract
No abstract record available.
Inventors
- 👤 Alfred R Globus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:17
CPC Classifications
C; C01; C01G; C01G45/00; C01G45/10; C22; C22B; C22B47/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
PROCESS FOR WINNING MANGANESE VALUES FROM MANGANESE DIOXIDE CONTAINING ORE WHICH COMPRISES REACTING AT A TEMPERATURE OF AT LEAST 100*C. THE ORE WITH A MIXTURE OF ELEMENTAL SULFUR AND AN EXCESS OF SULFURIC ACID, AND SEPARATING THE MANGANESE SULFATE FORMED.
Claim 2
Dependent Claim
40 words
PROCESS FOR WINNING MANGANESE VALUES FROM MANGANESE DIOXIDE CONTAINING ORE WHICH COMPRISES REACTING AT A TEMPERATURE OF AT LEAST 100*C. THE ORE WITH A MIXTURE OF ELEMENTAL SULFUR AND AN EXCESS OF SULFURIC ACID, AND SEPARATING THE MANGANESE SULFATE FORMED.
References Cited (Backward Citations)
US1325129A
Cited
US2343293A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-07 | 1967-04-08 | 1967-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-07 | 1971-04-08 | 1971-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-07 | 1975-04-08 | 1975-10-08 | $7700.00 | Window Closed / Lapsed |