US2820745A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for electrowinning titanium or its congeners
Assignee: Individual
•
Filing: 1953-01-12
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Granted: 1958-01-21
•
Expires: 1973-01-12
Abstract
No abstract record available.
Inventors
- 👤 Bichowsky Foord Von
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:13
CPC Classifications
C; C25; C25C; C25C1/00; C25C1/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
PROCESS FOR THE ELECTROLYTIC PRODUCTION OF TITANIUM WHICH COMPRISES PASSING AN ELECTROLYZING CURRENT FROM AN ANODE THROUGH AN ANHYDROUS ANOLYTE WHICH CONSISTS ESSENTIALLY OF A SOLUTION OF CUCL2.TICL4 COMPLEX DISSOLVED IN AN ORGANIC SOLVENT SELECTED FROM THE GROUP CONSISTING OF ETHYLENE GLYCOL, PROPYLENE GLYCOL, GLYCERINE, METHANOL, ETHANOL, PROPANOL, ETHYL ETHER AND GLYCOLLIC ACID, TO A CATHODE THROUGH A CATHOLYTE CONSISTING ESSENTIALLY OF A SOLUTION OF SAID COMPLEX AND SUFFICIENT AMMONIUM PERSULFATE TO MAINTAIN THE TITANIUM IN THE TETRAVALENT STATE IN ONE OF SAID SOLVENTS.
Claim 2
Dependent Claim
84 words
PROCESS FOR THE ELECTROLYTIC PRODUCTION OF TITANIUM WHICH COMPRISES PASSING AN ELECTROLYZING CURRENT FROM AN ANODE THROUGH AN ANHYDROUS ANOLYTE WHICH CONSISTS ESSENTIALLY OF A SOLUTION OF CUCL2.TICL4 COMPLEX DISSOLVED IN AN ORGANIC SOLVENT SELECTED FROM THE GROUP CONSISTING OF ETHYLENE GLYCOL, PROPYLENE GLYCOL, GLYCERINE, METHANOL, ETHANOL, PROPANOL, ETHYL ETHER AND GLYCOLLIC ACID, TO A CATHODE THROUGH A CATHOLYTE CONSISTING ESSENTIALLY OF A SOLUTION OF SAID COMPLEX AND SUFFICIENT AMMONIUM PERSULFATE TO MAINTAIN THE TITANIUM IN THE TETRAVALENT STATE IN ONE OF SAID SOLVENTS.
References Cited (Backward Citations)
US1922847A
Cited
US2510128A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-20 | 1961-07-22 | 1962-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-20 | 1965-07-22 | 1966-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-20 | 1969-07-22 | 1970-01-21 | $7700.00 | Window Closed / Lapsed |