US3060002A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure leaching of titaniferous material
Assignee: Dow Chemical Co
•
Filing: 1959-09-25
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Granted: 1962-10-23
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Expires: 1979-09-25
Abstract
No abstract record available.
Inventors
- 👤 James J Leddy
- 👤 Dale L Schechter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:42
CPC Classifications
C; C22; C22B; C22B34/00; C22B34/10; C22B34/12; C22B34/1204
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
THE METHOD OF PRODUCING A BENEFICIATED TITANIUM SOURCE MATERIAL LOW IN IRON, CALCIUM, AND MAGNESIUM CONTAMINANTS FROM A PARTICULATE TITANIUM SOURCE SELECTED FROM THE CLASS CONSISTING OF ILMENITE AND BY-PRODUCT SLAG PRODUCES IN PROCESSING IRON CONTAMINATED TITANIUM ORES FOR IRON WHICH CONSISTS ESSENTIALLY OF OXIDIZING SAID TITANIUM SOURCE MATERIAL BY PASSING AN OXYGEN GAS-CON-
Claim 2
Independent Claim
54 words
THE METHOD OF PRODUCING A BENEFICIATED TITANIUM SOURCE MATERIAL LOW IN IRON, CALCIUM, AND MAGNESIUM CONTAMINANTS FROM A PARTICULATE TITANIUM SOURCE SELECTED FROM THE CLASS CONSISTING OF ILMENITE AND BY-PRODUCT SLAG PRODUCES IN PROCESSING IRON CONTAMINATED TITANIUM ORES FOR IRON WHICH CONSISTS ESSENTIALLY OF OXIDIZING SAID TITANIUM SOURCE MATERIAL BY PASSING AN OXYGEN GAS-CON-
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) | 1965-10-22 | 1966-04-23 | 1966-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-22 | 1970-04-23 | 1970-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-22 | 1974-04-23 | 1974-10-23 | $7700.00 | Window Closed / Lapsed |