US2885262A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized manganese dioxide
Assignee: Olin Corp
•
Filing: 1955-08-22
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Granted: 1959-05-05
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Expires: 1975-08-22
Abstract
No abstract record available.
Inventors
- 👤 Fleischer Joseph
- 👤 Richard C Evans
- 👤 Jr Franklyn E Stevens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:30
CPC Classifications
C; C01; C01G; C01G45/00; C01G45/02; C01G45/024; C01P; C01P2002/00; C01P2002/70; C01P2002/72; C01P2006/00; C01P2006/40; C01P2006/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
26 words
THE PROCESS OF STABILIZING HIGH ENEGY MANGANESE DIOXIDES AGAINST RECRYSTALLIZATION WHICH COMPRISES TREATING SUCH MANGANESE DIOXIDE WITH A RECRYSTALLIZATION INHIBITOR CONSISTING OF A SULFONATED TRIPHENYLMETHANE DYE.
Claim 2
Dependent Claim
26 words
THE PROCESS OF STABILIZING HIGH ENEGY MANGANESE DIOXIDES AGAINST RECRYSTALLIZATION WHICH COMPRISES TREATING SUCH MANGANESE DIOXIDE WITH A RECRYSTALLIZATION INHIBITOR CONSISTING OF A SULFONATED TRIPHENYLMETHANE DYE.
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) | 1962-05-04 | 1962-11-03 | 1963-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-04 | 1966-11-03 | 1967-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-04 | 1970-11-03 | 1971-05-05 | $7700.00 | Window Closed / Lapsed |