Patent US2111466A successfully refreshed from Google Patents.
Patent US2618550A successfully refreshed from Google Patents.
US2618550A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for the production of titanium
Assignee: Kennecott Corp
•
Filing: 1952-01-04
•
Granted: 1952-11-18
•
Expires: 1972-01-04
Abstract
No abstract record available.
Inventors
- 👤 Clifford A Hampel
- 👤 Glasser Julian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:00
CPC Classifications
C; C22; C22B; C22B34/00; C22B34/10; C22B34/12; C22B34/1263; C22B34/1268; C22B34/1272
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
88 words
THE METHOD OF PRODUCING ELEMENTAL TITANIUM FROM TITANIUM TETRACHLORIDE, WHICH COMPRISES VIGOROUSLY MIXING TITANIUM TETRACHLORIDE WITH SODIUM AMALGAM IN THE PRESENCE OF AN INERT GAS, THE SODIUM CONTENT OF SAID SODIUM AMALGAM BEING BETWEEN ABOUT 0.5% AND 2.5% BY WEIGHT OF SAID AMALGAM AND BEING SUFFICIENT THEORETICALLY TO COMPLETELY REDUCE SAID TITANIUM TETRACHLORIDE TO TITANIUM, CONTINUING TO VIGOROUSLY AGITATE THE REACTANTS UNTIL A REACTION MASS OF ELEMENTAL TITANIUM, SODIUM CHLORIDE AND SPENT AMALGAM RESULTS, SEPARATING THE SODIUM CHLORIDE AND SPENT AMALGAM FROM THE TITANIUM AND RECOVERING ELEMENTAL TITANIUM.
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) | 1955-11-18 | 1956-05-19 | 1956-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-18 | 1960-05-19 | 1960-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-18 | 1964-05-19 | 1964-11-18 | $7700.00 | Window Closed / Lapsed |