US2898276A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of titanium
Assignee: New Jersey Zinc Co
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Filing: 1958-07-01
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Granted: 1959-08-04
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Expires: 1978-07-01
Abstract
No abstract record available.
Inventors
- 👤 George E Snow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:19
CPC Classifications
C; C25; C25C; C25C7/00; C25C7/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
193 words
IN THE ELECTROLYSIS BETWEEN AN ANODE AND A CATHODE OF A FUSED HALIDE SALT BATH CONTAINING A TITANIUM LOWER CHLORIDE WHEREIN TITANIUM TETRACHLORIDE IS SUBSTANTIALLY CONTINUOUSLY INTRODUCED INTO AN ASSIMILATED BY THE BATH AND METALLIC TITANIUM IS DEPOSITED ON THE CATHODE, THE ANODE AND CATHODE BEING IN DIRECT COMMUNICATION WITH ONE ANOTHER THROUGHT THE BATH UNINTERRUPTED BY ANY PHYSICAL BARRIER, THE TITANIUM METAL BEING DEPOSITED PREDOMINANTLY ON THE SURFACE OF THE CATHODE DISTAL WITH RESPECT TO THE ANODE, THE CHLORINE EVOLVED AT THE ANODE BEING COLLECTED IN AND DISCHARGED FROM A CONFINED SPACE DEFINED BY A REFRACTORY-SURFACED METALLIC CONDUCTORCONTAINING WALL EXTENDING BELOW THE SURFACE OF THE BATH AND NORMALLY ELECTRICALLY ISOLATED FROM BOTH THE ANODE AND CATHODE, AND THE TITANIUM TETRACHLORIDE BEING DELIVERED TO THE PORTION OF THE BATH IN CONTACT WITH THE DISTAL SURFACE OF THE CATHODE, THE IMPROVEMENT WHICH COMPRISES MAINTAINING THE OPEN-CIRCUIT BACK ELECTROMOTIVE FORCE BETWEEN THE REFRACTORY-SURFACE WALL AND THE ANODE WITHIN THE RANGE OF 2 TO 2.4 VOLTS BY ELECTRICALLY CONNECTING THE WALL TO THE CATHODE WHEN THE BACK ELECTROMOTIVE FORCE FALLS BELOW SAID RANGE AND BY ELECTRICALLY CONNECTING THE WALL TO THE ANODE WHEN THE BACK ELECTRO-
Claim 2
Dependent Claim
193 words
IN THE ELECTROLYSIS BETWEEN AN ANODE AND A CATHODE OF A FUSED HALIDE SALT BATH CONTAINING A TITANIUM LOWER CHLORIDE WHEREIN TITANIUM TETRACHLORIDE IS SUBSTANTIALLY CONTINUOUSLY INTRODUCED INTO AN ASSIMILATED BY THE BATH AND METALLIC TITANIUM IS DEPOSITED ON THE CATHODE, THE ANODE AND CATHODE BEING IN DIRECT COMMUNICATION WITH ONE ANOTHER THROUGHT THE BATH UNINTERRUPTED BY ANY PHYSICAL BARRIER, THE TITANIUM METAL BEING DEPOSITED PREDOMINANTLY ON THE SURFACE OF THE CATHODE DISTAL WITH RESPECT TO THE ANODE, THE CHLORINE EVOLVED AT THE ANODE BEING COLLECTED IN AND DISCHARGED FROM A CONFINED SPACE DEFINED BY A REFRACTORY-SURFACED METALLIC CONDUCTORCONTAINING WALL EXTENDING BELOW THE SURFACE OF THE BATH AND NORMALLY ELECTRICALLY ISOLATED FROM BOTH THE ANODE AND CATHODE, AND THE TITANIUM TETRACHLORIDE BEING DELIVERED TO THE PORTION OF THE BATH IN CONTACT WITH THE DISTAL SURFACE OF THE CATHODE, THE IMPROVEMENT WHICH COMPRISES MAINTAINING THE OPEN-CIRCUIT BACK ELECTROMOTIVE FORCE BETWEEN THE REFRACTORY-SURFACE WALL AND THE ANODE WITHIN THE RANGE OF 2 TO 2.4 VOLTS BY ELECTRICALLY CONNECTING THE WALL TO THE CATHODE WHEN THE BACK ELECTROMOTIVE FORCE FALLS BELOW SAID RANGE AND BY ELECTRICALLY CONNECTING THE WALL TO THE ANODE WHEN THE BACK ELECTRO-
References Cited (Backward Citations)
US2848397A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-03 | 1963-02-02 | 1963-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-03 | 1967-02-02 | 1967-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-03 | 1971-02-02 | 1971-08-04 | $7700.00 | Window Closed / Lapsed |