Patent US2944949A successfully refreshed from Google Patents.
US2944949A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the electrolytic separation of titanium from titanium scrap
Assignee: Imperial Chemical Industries Ltd
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Filing: 1959-05-08
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Granted: 1960-07-12
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Expires: 1979-05-08
Abstract
No abstract record available.
Inventors
- 👤 Leech Harry Rowland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:24
CPC Classifications
C; C25; C25C; C25C7/00; C25C7/02; C25C7/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
A PROCESS FOR THE ELECTROLYTIC SEPARATION OF TITANIUM FROM TITANIUM SCRAP BY ELECTRO-DEPOSITION OF THE TITANIUM ON A CATHODE N A FUSED SALT IN AN ELECTROLYTIC CELL WHICH COMPRISES EMPLOYING IN THE FUSED SALT A METAL WHICH IS MOLTEN AT THE TEMPERATURE OF THE FUSED SALT AND WHICH IS NOT ANODICALLY ATTACKED WHEN IN CONTACT WITH TITANIUM, IS DENSER THAN TITANIUM AND IS COMPATIBLE WITH THE MATERIAL OF CONSTRUCTION OF THE CELL, FLOATING THE TITANIUM SCRAP ON AND KEEPING IT IN ELECTRICAL CONTACT WITH SAID METAL IN MOLTEN CONDITION, DISSOLVING THE TITANIUM FROM THE TITANIU, SCRAP INTO THE FUSED SALT BY PASSING AN ELECTRIC CURRENT BETWEEN SAID METAL IN MOLTEN CONDITION AND THE CATHODE, AND REMOVING BY SAID METAL IN MOLTEN CONDITION MATTER WHICH IS UNDISSOLVED IN THE FUSED SALT AND IS DERIVED FROM THE TITAIUM SCRAP DURING PASSAGE OF THE ELECTRIC CURRENT.
Claim 2
Dependent Claim
143 words
A PROCESS FOR THE ELECTROLYTIC SEPARATION OF TITANIUM FROM TITANIUM SCRAP BY ELECTRO-DEPOSITION OF THE TITANIUM ON A CATHODE N A FUSED SALT IN AN ELECTROLYTIC CELL WHICH COMPRISES EMPLOYING IN THE FUSED SALT A METAL WHICH IS MOLTEN AT THE TEMPERATURE OF THE FUSED SALT AND WHICH IS NOT ANODICALLY ATTACKED WHEN IN CONTACT WITH TITANIUM, IS DENSER THAN TITANIUM AND IS COMPATIBLE WITH THE MATERIAL OF CONSTRUCTION OF THE CELL, FLOATING THE TITANIUM SCRAP ON AND KEEPING IT IN ELECTRICAL CONTACT WITH SAID METAL IN MOLTEN CONDITION, DISSOLVING THE TITANIUM FROM THE TITANIU, SCRAP INTO THE FUSED SALT BY PASSING AN ELECTRIC CURRENT BETWEEN SAID METAL IN MOLTEN CONDITION AND THE CATHODE, AND REMOVING BY SAID METAL IN MOLTEN CONDITION MATTER WHICH IS UNDISSOLVED IN THE FUSED SALT AND IS DERIVED FROM THE TITAIUM SCRAP DURING PASSAGE OF THE ELECTRIC CURRENT.
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) | 1963-07-12 | 1964-01-11 | 1964-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-12 | 1968-01-11 | 1968-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-12 | 1972-01-11 | 1972-07-12 | $7700.00 | Window Closed / Lapsed |