US3104213A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic cell and process thereof
Assignee: Chlormetals Inc
•
Filing: 1957-12-02
•
Granted: 1963-09-17
•
Expires: 1977-12-02
Abstract
No abstract record available.
Inventors
- 👤 Szechtman Joshua
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:58
CPC Classifications
C; C25; C25C; C25C3/00; C25C3/02; C25B; C25B1/00; C25B1/01; C25B1/24; C25B1/26; C25C7/00; C25C7/005
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
121 words
THE METHOD OF ELECTROLYZING ALKALI METAL SALTS IN THE ABSENCE OF AIR AND MOISTURE COMPRISING REPLACING WITH AN INERT GAS THE AIR OF A THREE CHAMBER ELECTROLYTIC CELL WITH ONE CHAMBER BEING THE ILECTROLYSIS CHAMBER, THE SECOND CHAMBER BEING THE DROSS REMOVAAL CHAMBER AND THE THIRD CHAMBER BEING THE LIQUID CATHODE REMOVAL CHAMBER; REMOVING DROSS FROM SAID CHAMBER THROUGH A LIQUID SEAL; DISTILLING OFF ALKALI METAL FROM THE MOLTEN CATHODE AND RECYCLING IT BACK TO THE CELL IN THE ABENCE OF AIR; INTRODUCING AIR FREE AND MOSITURE FREE MOLTEN ALKALI METAL SALT INTO THE ELECTROLYTIC CHAMBER AND INTERMITTENTLY WASHING THE OPERATION FACES OF THE ANDODES BY MOVEMENT OF SAID MOLTEN CATHODE IN SAID CELL IN THE ABSENCE OF CONTACT WITH AIR.
References Cited (Backward Citations)
US734499A
Cited
US809089A
Cited
US877537A
Cited
US1051303A
Cited
US995476A
Cited
US1197329A
Cited
US2154830A
Cited
US2316685A
Cited
US2542989A
Cited
US2415135A
Cited
GB605790A
Cited
US2502888A
Cited
US2719117A
Cited
US2707169A
Cited
DE934044C
Cited
US2742418A
Cited
US2861030A
Cited
US2848408A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-16 | 1967-03-18 | 1967-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-16 | 1971-03-18 | 1971-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-16 | 1975-03-18 | 1975-09-17 | $7700.00 | Window Closed / Lapsed |