US3140170A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnesium reduction of titanium oxides in a hydrogen atmosphere
Assignee: Individual
•
Filing: 1962-11-23
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Granted: 1964-07-07
•
Expires: 1982-11-23
Abstract
No abstract record available.
Inventors
- 👤 Thomas A Henrie
- 👤 Dolezal Henry
- 👤 Ernst K Kleespies
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:45
CPC Classifications
C; C22; C22B; C22B34/00; C22B34/10; C22B34/12; C22B34/1263; C22B34/1286; C22B34/1268
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A METHOD FOR THE PREPARATION OF IMPURE TITANIUM METAL FROM TITANIUM OXIDE COMPRISING REACTING AT ELEVATED TEMPERATURE IN AN ATMOSPHERE OF HYDRGEON A MIXTURE OF (1) TITANIUM OXIDE, (2) MAGNEISUM METAL, AND (3) A FLUX FROM THE GROUP CONSISTING OF MAGENSIUM CHLORIDE, SODIUM CHLORIDE, CALCIUM CHLORIDE AND MIXTURES THEREOF; TO FORM A PRODUCT COMPRISING MAGNEISUM OXIDE, UNREACTED MAGNESIUM AND ANTITANIUM ALLOY CONTAINING HYDROGEN, MAGNESIUM AND A SMALL AMOUTN OF OXYGEN; LEACHING THE PRODUCT WITH ACID TO REMOVE THE MAGNEISUM OXIDE, FLUX
Claim 2
Independent Claim
81 words
A METHOD FOR THE PREPARATION OF IMPURE TITANIUM METAL FROM TITANIUM OXIDE COMPRISING REACTING AT ELEVATED TEMPERATURE IN AN ATMOSPHERE OF HYDRGEON A MIXTURE OF (1) TITANIUM OXIDE, (2) MAGNEISUM METAL, AND (3) A FLUX FROM THE GROUP CONSISTING OF MAGENSIUM CHLORIDE, SODIUM CHLORIDE, CALCIUM CHLORIDE AND MIXTURES THEREOF; TO FORM A PRODUCT COMPRISING MAGNEISUM OXIDE, UNREACTED MAGNESIUM AND ANTITANIUM ALLOY CONTAINING HYDROGEN, MAGNESIUM AND A SMALL AMOUTN OF OXYGEN; LEACHING THE PRODUCT WITH ACID TO REMOVE THE MAGNEISUM OXIDE, FLUX
References Cited (Backward Citations)
CA577109A
Cited
US2427338A
Cited
US2584411A
Cited
US2707679A
Cited
US2904428A
Cited
US2834667A
Cited
US2905547A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |