Patent US2045047A successfully refreshed from Google Patents.
US2835568A
Expired / Lapsed
US
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Method of producing titanium
Assignee: NL Industries Inc
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Filing: 1952-11-20
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Granted: 1958-05-20
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Expires: 1972-11-20
Abstract
No abstract record available.
Inventors
- 👤 Franklin L Kingsbury
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:24
CPC Classifications
C; C22; C22B; C22B34/00; C22B34/10; C22B34/12; C22B34/1295; C22B34/1263; C22B34/1268; C22B34/1272
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
88 words
A METHOD FOR PRODUCING A FUSED SALT MIXTURE WHICH CONSISTS ESSENTIALLY OF REACTING TITANIUM TETRACHLORIDE A MOLTEN REDUCING METAL SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL, ALKALINE EARTH METAL AND MAGMESIUM, SAID TITANIUM TETRACHLORIDE AND SAID REDUCING METAL INTRODICED IN STOICHIOMETRIC PROPORTIONS TO PRODUCE A FUSED SALT MIXTURE CONTAINING REDUCING METAL CHLORISE AND LOWER VALENT TITANIUM CHLORIDE SLECTED FROM THE GROUP CONSISTING OF TITANIUM CHLORIDE TITAMIUM DICHLORIDE AND MIXTURES THEREOF, SAID REACTION BEING CARRIED OUT AT A TEMPERATURE ABOVE THE MELTING POINT OF SAID FUSED SALT MIXTURE.
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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) | 1961-05-19 | 1961-11-18 | 1962-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-19 | 1965-11-18 | 1966-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-19 | 1969-11-18 | 1970-05-20 | $7700.00 | Window Closed / Lapsed |