US2986503A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of titanium and zirconium by the electrolytic refining of their alloys
Assignee: SOBERTIZ BREVETS D'EXPLOITATIONS ET DE RECHERCHES METALLURGIQUES Ste
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Filing: 1957-03-12
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Granted: 1961-05-30
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Expires: 1977-03-12
Abstract
No abstract record available.
Inventors
- 👤 Pruvot Emile
- 👤 Boulanger Claude
- 👤 Belon Paul Louis Adrien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:19
CPC Classifications
C; C25; C25C; C25C3/00; C25C3/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
A PROCESS FOR PRODUCING ELECTROLYTICALLY A DESIRED METAL SELECTED FROM THE GROUP CONSISTING OF TITANIUM AND ZIRCONIUM FROM ALLOYS THEREOF COMPRISING AT LEAST ONE OF THE METALS SELECTED FROM THE GROUP CONSISTING OF FE, SI, AL, CR, V AND MN, AND CONTAINING BETWEEN 65% AND 96% OF THE DESIRED METAL, COMPRISING THE STEPS OF FORMING IN AN ELECTROLYTIC CELL, CONTAINING AN ANODE COMPRISING SAID ALLOY OF THE DESIRED METAL AND A CATHODE, A MOLTEN BATH CONSISTING ESSENTIALLY OF AT LEAST ONE HALIDE OF METAL SELECTED FROM THE GROUP CONSISTING OF THE ALKALI AND ALKALINE EARTH METALS; INTRODUCING INTO SAID BATH A SUBHALIDE OF THE DESIRED METAL; PASSING ELECTRIC CURRENT THROUGH SAID BATH WHEREBY THE DESIRED METAL IS SELECTIVELY DISSOLVED OUT OF THE ANODE AND DEPOSITED ON THE CATHODE; AND ADDING FRESH ANODIC ALLOY TO THE CELL WHEN THE QUANTITY OF THE METAL DEPOSITED AMOUNTS TO 20-50% OF THE CONTENT OF THE DESIRED METAL IN THE ANODIC ALLOY.
Claim 2
Dependent Claim
157 words
A PROCESS FOR PRODUCING ELECTROLYTICALLY A DESIRED METAL SELECTED FROM THE GROUP CONSISTING OF TITANIUM AND ZIRCONIUM FROM ALLOYS THEREOF COMPRISING AT LEAST ONE OF THE METALS SELECTED FROM THE GROUP CONSISTING OF FE, SI, AL, CR, V AND MN, AND CONTAINING BETWEEN 65% AND 96% OF THE DESIRED METAL, COMPRISING THE STEPS OF FORMING IN AN ELECTROLYTIC CELL, CONTAINING AN ANODE COMPRISING SAID ALLOY OF THE DESIRED METAL AND A CATHODE, A MOLTEN BATH CONSISTING ESSENTIALLY OF AT LEAST ONE HALIDE OF METAL SELECTED FROM THE GROUP CONSISTING OF THE ALKALI AND ALKALINE EARTH METALS; INTRODUCING INTO SAID BATH A SUBHALIDE OF THE DESIRED METAL; PASSING ELECTRIC CURRENT THROUGH SAID BATH WHEREBY THE DESIRED METAL IS SELECTIVELY DISSOLVED OUT OF THE ANODE AND DEPOSITED ON THE CATHODE; AND ADDING FRESH ANODIC ALLOY TO THE CELL WHEN THE QUANTITY OF THE METAL DEPOSITED AMOUNTS TO 20-50% OF THE CONTENT OF THE DESIRED METAL IN THE ANODIC ALLOY.
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) | 1964-05-29 | 1964-11-28 | 1965-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-29 | 1968-11-28 | 1969-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-29 | 1972-11-28 | 1973-05-30 | $7700.00 | Window Closed / Lapsed |