US2734856A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic method for refining titanium metal
Assignee: —
•
Filing: —
•
Granted: 1956-02-14
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Expires: 1973-02-14
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:47
CPC Classifications
C; C25; C25C; C25C3/00; C25C3/26; C25C3/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
METHOD FOR REFINING TITANIUM METAL WHICH COMPRISES PASSING ELECTRIC CURRENT THROUGH AN ELECTROLYTIC CELL HAVING AN ANODE AND A CATHODE AND A MOLTEN HALIDE SALT ELECTROLYTE, EMPLOYING IMPURE TITANIUM METAL AS THE ANODE IN SAID CELL, SAID ELECTROLYTE BEING COMPOSED OF AT LEAST ONE COMPOUND SELECTED FROM THE GROUP CONSISTING OF THE HALIDE SALTS OF ALKALI METALS, ALKALINE EARTH METALS, AND MAGNESIUM, SAID ELECTROLYTE FURTHER CONTAINING SOLUBLE TITANIUM COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF TITANIUM DICHLORIDE AND TITANIUM TRICHLORIDE IN CONCENTRATION FROM 0.1 TO 5.0 MOLAL, SAID SOLUBLE TITANIUM COMPOUNDS COMPRISING AT LEAST 40% TITANIUM DICHLORIDE, AND MAINTAINING DURING THE PASSAGE OF SAID CURRENT AN
Claim 2
Dependent Claim
106 words
METHOD FOR REFINING TITANIUM METAL WHICH COMPRISES PASSING ELECTRIC CURRENT THROUGH AN ELECTROLYTIC CELL HAVING AN ANODE AND A CATHODE AND A MOLTEN HALIDE SALT ELECTROLYTE, EMPLOYING IMPURE TITANIUM METAL AS THE ANODE IN SAID CELL, SAID ELECTROLYTE BEING COMPOSED OF AT LEAST ONE COMPOUND SELECTED FROM THE GROUP CONSISTING OF THE HALIDE SALTS OF ALKALI METALS, ALKALINE EARTH METALS, AND MAGNESIUM, SAID ELECTROLYTE FURTHER CONTAINING SOLUBLE TITANIUM COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF TITANIUM DICHLORIDE AND TITANIUM TRICHLORIDE IN CONCENTRATION FROM 0.1 TO 5.0 MOLAL, SAID SOLUBLE TITANIUM COMPOUNDS COMPRISING AT LEAST 40% TITANIUM DICHLORIDE, AND MAINTAINING DURING THE PASSAGE OF SAID CURRENT AN
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) | 1959-02-13 | 1959-08-15 | 1960-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-13 | 1963-08-15 | 1964-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-13 | 1967-08-15 | 1968-02-14 | $7700.00 | Window Closed / Lapsed |