US2745802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inorganic molten electrolyte for the electrolysis of titanium
Assignee: Reynolds Metals Co
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Filing: 1952-09-18
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Granted: 1956-05-15
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Expires: 1972-09-18
Abstract
No abstract record available.
Inventors
- 👤 Schmidt Walther
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:12
CPC Classifications
C; C25; C25C; C25C3/00; C25C3/26; C25C3/28
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
145 words
A METHOD FOR SEPARATING TICL3 FROM THE CHLORIDE OF A REDUCING METAL FOR THE PURPOSE OF PREPARING SAID TICL2 SUITABLE TO BE FED INTO A MOLTEN INORGANIC ELECTROLYTE, SAID REDUCING METAL BEING SELECTED FROM THE GROUP COMPRISING AL AND HG, SAID TICL3 AND CHLORIDE BEING SIMULTANEOUSLY FORMED BY REDUCING TICL4, WHICH COMPRISES DISSOLVING THE CHLORIDE OF THE REDUCING METAL IN A MELT CONSISTING ESSENTIALLY OF A MIXTURE OF ALCL3 AND AT LEAST ONE ALKALI-CHLORIDE SELECTED FROM THE GROUP CONSISTING OF NACL, KCL AND LICL, THEREBY FORMING A MELT IN WHICH THE QUANTITY BY WEIGHT OF ALCL3 IS LARGER THAN THE QUANTITY OF SAID ALKALI-CHLORIDE, EMPLOYING A QUANTITY OF SAID MELT SUFFICIENTLY LARGE AND AT A TEMPERATURE SUFFICIENTLY LOW, SO AS TO DISSOLVE ALL OF SAID CHLORIDE OF REDUCING METALS, YET NOT TO DISSOLVE SUBSTANTIAL AMOUNTS OF TICL3, AND SEPARATING THE UNDISSOLVED TICL3 FROM THE MELT.
References Cited (Backward Citations)
US2618550A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-15 | 1959-11-14 | 1960-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-15 | 1963-11-14 | 1964-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-15 | 1967-11-14 | 1968-05-15 | $7700.00 | Window Closed / Lapsed |