Patent US3069255A successfully refreshed from Google Patents.
US3069255A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of high purity titanium by metallic sodium reduction of titanic halide
Assignee: Individual
•
Filing: 1957-11-25
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Granted: 1962-12-18
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Expires: 1977-11-25
Abstract
No abstract record available.
Inventors
- 👤 Jr Don H Baker
- 👤 Vernon E Homme
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:10
CPC Classifications
C; C22; C22B; C22B34/00; C22B34/10; C22B34/12; C22B34/1263; C22B34/1268; C22B34/1272; C22B5/00; C22B5/02; C22B5/04; C22B5/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
171 words
THE METHOD OF PREPARING TITANIUM METAL WHICH COMPRISES THE STEPS OF (1) REACTING AT AN ELEVATED TEMPERATURE IN A REACTION ZONE COMPLETELY BLANKETED WITH AN INERT GAS, TICI4 IN THE VAPOR STATE INITIALLY RECEIVED OVER THE ENTIRETY OF SAID REACTION ZONE, WITH A QUANTITY OF MOLTEN SODIUM IN AN AMOUNT SUFFICIENT TO REDUCE THE TICI4 TO LOWER CHLORIDES, WHEREBY A MOLTEN MIXTURE COMPRISING LOWER VALENT TITANIUM CHLORIDES, INCLUDING TICI3, SODIUM CHLORIDE AND SOME TITANIUM METAL IS PRODUCED; (2) CONTINUING THE REACTION FOR A TIME SUFFICIENT TO REACT COMPLETELY ALL THE SODIUM PRESENT AND TO REACT ALL THE TITANIUM METAL FORMED WITH TICI3 TO PRODUCE TICI2; (3) INCREASING THE TEMPERATURE IN THE REACTION ZONE; (4) ADDING MOLTEN SODIUM TO THE MOLTEN MIXTURE IN AN AMOUNT AT LEAST SUFFICIENT TO REDUCE THE TITANIUM CHLORIDES TO TITANIUM; (5) CONTINUING THE REACTION FOR A TIME SUFFICIENT TO REACT THE SODIUM PRESENT, WHEREBY CRYSTALLINE TITANIUM IS FORMED; AND (6) DRAINING OFF THE MOLTEN MATERIAL AND RECOVERING HIGH PURITY CRYSTALLINE TITANIUM AS A PRODUCT OF THE PROCESS.
Claim 2
Independent Claim
171 words
THE METHOD OF PREPARING TITANIUM METAL WHICH COMPRISES THE STEPS OF (1) REACTING AT AN ELEVATED TEMPERATURE IN A REACTION ZONE COMPLETELY BLANKETED WITH AN INERT GAS, TICI4 IN THE VAPOR STATE INITIALLY RECEIVED OVER THE ENTIRETY OF SAID REACTION ZONE, WITH A QUANTITY OF MOLTEN SODIUM IN AN AMOUNT SUFFICIENT TO REDUCE THE TICI4 TO LOWER CHLORIDES, WHEREBY A MOLTEN MIXTURE COMPRISING LOWER VALENT TITANIUM CHLORIDES, INCLUDING TICI3, SODIUM CHLORIDE AND SOME TITANIUM METAL IS PRODUCED; (2) CONTINUING THE REACTION FOR A TIME SUFFICIENT TO REACT COMPLETELY ALL THE SODIUM PRESENT AND TO REACT ALL THE TITANIUM METAL FORMED WITH TICI3 TO PRODUCE TICI2; (3) INCREASING THE TEMPERATURE IN THE REACTION ZONE; (4) ADDING MOLTEN SODIUM TO THE MOLTEN MIXTURE IN AN AMOUNT AT LEAST SUFFICIENT TO REDUCE THE TITANIUM CHLORIDES TO TITANIUM; (5) CONTINUING THE REACTION FOR A TIME SUFFICIENT TO REACT THE SODIUM PRESENT, WHEREBY CRYSTALLINE TITANIUM IS FORMED; AND (6) DRAINING OFF THE MOLTEN MATERIAL AND RECOVERING HIGH PURITY CRYSTALLINE TITANIUM AS A PRODUCT OF THE PROCESS.
References Cited (Backward Citations)
US2828199A
Cited
US2847297A
Cited
US2846304A
Cited
GB750355A
Cited
US2819021A
Cited
US2847298A
Cited
US2890953A
Cited
US2848319A
Cited
US2856335A
Cited
US2936232A
Cited
US2826493A
Cited
US2895823A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-17 | 1966-06-18 | 1966-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-17 | 1970-06-18 | 1970-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-17 | 1974-06-18 | 1974-12-18 | $7700.00 | Window Closed / Lapsed |