Patent US3073763A successfully refreshed from Google Patents.
US3073763A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic production of mixed metal oxides
Assignee: Magneto Chemie NV
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Filing: 1959-04-13
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Granted: 1963-01-15
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Expires: 1979-04-13
Abstract
No abstract record available.
Inventors
- 👤 Beer Henri Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:36
CPC Classifications
C; C25; C25B; C25B1/00; C25B1/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A METHOD OF ELECTROLYTICALLY COPRECIPATING METAL OXIDES COMPRISING CARRYING OUT THE COPRECIPITATION BY THE ELECTROLYSIS OF AN AQUEOUS ALKALI METAL SALT SOLUTION, PASSING A CURRENT BETWEEN AT LEAST TWO ANODES AND AN INERT DEPOLARIZED CATHODE, SAID ANODES SELECTED FROM THE GROUP CONSISTING OF LEAD, ZINC, COPPER, TIN, TITANIUM, MAGNESIUM, MANGANESE, COBALT, CADMIUM, IRON, NICKEL AND CALCIUM OXIDE SURRONDING A PLATINUM ANODE, SAID ANODES ARE SEPARATED BY INSULATING PARTITIONS WHICH DO NOT ENTIRELY EXTEND UP TO THE CATHODE, CONTROLLING THE ELECTRIC ENERGY SUPPLIED TO THE ANODES SO THAT THE ANODES WILL DISSOLVE IN THE DESIRED PROPORTIONS AND BY THE ADDITION OF AN OXIDIZING GAS TO THE BATH WILL PRECIPITATE IN THE FORM OF MIXED OXIDES IN THE BATH.
Claim 2
Independent Claim
117 words
A METHOD OF ELECTROLYTICALLY COPRECIPATING METAL OXIDES COMPRISING CARRYING OUT THE COPRECIPITATION BY THE ELECTROLYSIS OF AN AQUEOUS ALKALI METAL SALT SOLUTION, PASSING A CURRENT BETWEEN AT LEAST TWO ANODES AND AN INERT DEPOLARIZED CATHODE, SAID ANODES SELECTED FROM THE GROUP CONSISTING OF LEAD, ZINC, COPPER, TIN, TITANIUM, MAGNESIUM, MANGANESE, COBALT, CADMIUM, IRON, NICKEL AND CALCIUM OXIDE SURRONDING A PLATINUM ANODE, SAID ANODES ARE SEPARATED BY INSULATING PARTITIONS WHICH DO NOT ENTIRELY EXTEND UP TO THE CATHODE, CONTROLLING THE ELECTRIC ENERGY SUPPLIED TO THE ANODES SO THAT THE ANODES WILL DISSOLVE IN THE DESIRED PROPORTIONS AND BY THE ADDITION OF AN OXIDIZING GAS TO THE BATH WILL PRECIPITATE IN THE FORM OF MIXED OXIDES IN THE BATH.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |