US2936232A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing titanium
Assignee: National Research Corp
•
Filing: 1954-12-31
•
Granted: 1960-05-10
•
Expires: 1974-12-31
Abstract
No abstract record available.
Inventors
- 👤 James L Vaughan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:12
CPC Classifications
C; C22; C22B; C22B34/00; C22B34/10; C22B34/12; C22B34/1263; C22B34/1268; C22B34/1272; Y; Y10; Y10S; Y10S266/00; Y10S266/905
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
174 words
IN A MULTI-STAGE PROCESS FOR THE PRODUCTION OF METALLIC TITANIUM FROM DISSOLVED TITANIUM CHLORIDES CONTAINED IN A MOLTEN HALIDE BATH COMPRISING SODIUM CHLORIDE, THE STEPS OF FEEDING TITANIUM TETRACHLORIDE TO THE BATH BELOW THE SURFACE THEREOF, AGITATING THE BATH TO PROVIDE INTIMATE CONTACT BETWEEN THE TITANIUM TETRACHLORIDE AND DISSOLVED TITANIUM DICHLORIDE, FEEDING SODIUM TO THE SURFACE OF THE BATH IN AN AMOUNT STOICHIOMETRICALLY LESS THAN THAT REQUIRED TO REDUCE THE TOTAL TITANIUM CHLORIDE CONTENT WITHIN THE BATH BELOW TITANIUM DICHLORIDE, THE FEED OF SODIUM, RESULTING IN THE PRODUCTION OF A MIXTURE OF TITANIUM FINES, TITANIUM DICHLORIDE AND TITANIUM TRICHLORIDE, DIGESTING SAID TITANIUM FINES IN THE BATH TO TITANIUM DICHLORIDE BY REACTION WITH DISSOLVED TITANIUM TRICHLORIDE OVER AN EXTENDED PERIOD OF TIME TO PROVIDE A BATH WHOSE TITANIUM CONTENT IS ESSENTIALLY IN THE FORM OF DISSOLVED TITANIUM DICHLORIDE AND DISSOLVED TITANIUM TRICHLORIDE, AND THEREAFTER TRANSFERRING THE BATH CONTAINING SAID TITANIUM CHLORIDES TO A SECOND STAGE FOR FURTHER REDUCTION TO METALLIC TITANIUM, THE AVERAGE TITANIUM VALENCE BEING MAINTAINE ABOVE 2.0 DURING SUBSTANTIALLY ALL THE EXTENDED PE-
Claim 2
Dependent Claim
174 words
IN A MULTI-STAGE PROCESS FOR THE PRODUCTION OF METALLIC TITANIUM FROM DISSOLVED TITANIUM CHLORIDES CONTAINED IN A MOLTEN HALIDE BATH COMPRISING SODIUM CHLORIDE, THE STEPS OF FEEDING TITANIUM TETRACHLORIDE TO THE BATH BELOW THE SURFACE THEREOF, AGITATING THE BATH TO PROVIDE INTIMATE CONTACT BETWEEN THE TITANIUM TETRACHLORIDE AND DISSOLVED TITANIUM DICHLORIDE, FEEDING SODIUM TO THE SURFACE OF THE BATH IN AN AMOUNT STOICHIOMETRICALLY LESS THAN THAT REQUIRED TO REDUCE THE TOTAL TITANIUM CHLORIDE CONTENT WITHIN THE BATH BELOW TITANIUM DICHLORIDE, THE FEED OF SODIUM, RESULTING IN THE PRODUCTION OF A MIXTURE OF TITANIUM FINES, TITANIUM DICHLORIDE AND TITANIUM TRICHLORIDE, DIGESTING SAID TITANIUM FINES IN THE BATH TO TITANIUM DICHLORIDE BY REACTION WITH DISSOLVED TITANIUM TRICHLORIDE OVER AN EXTENDED PERIOD OF TIME TO PROVIDE A BATH WHOSE TITANIUM CONTENT IS ESSENTIALLY IN THE FORM OF DISSOLVED TITANIUM DICHLORIDE AND DISSOLVED TITANIUM TRICHLORIDE, AND THEREAFTER TRANSFERRING THE BATH CONTAINING SAID TITANIUM CHLORIDES TO A SECOND STAGE FOR FURTHER REDUCTION TO METALLIC TITANIUM, THE AVERAGE TITANIUM VALENCE BEING MAINTAINE ABOVE 2.0 DURING SUBSTANTIALLY ALL THE EXTENDED PE-
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-10 | 1963-11-09 | 1964-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-10 | 1967-11-09 | 1968-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-10 | 1971-11-09 | 1972-05-10 | $7700.00 | Window Closed / Lapsed |