US3947333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel cathode
Assignee: Electronor Corp
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Filing: 1974-04-30
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Granted: 1976-03-30
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Expires: 1994-04-30
Abstract
Abstract A cathode for electrolysis reactions comprising an electrically conductive electrode base having an outer coating on at least a portion of its exterior of an alloy of palladium and either silver or lead, process for the preparation of said cathodes and a method of electrolysis using said cathode.
Inventors
- 👤 Giuseppe Bianchi
- 👤 Antonio Nidola
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:38
CPC Classifications
C; C25; C25B; C25B1/00; C25B1/01; C25B1/02; C25B1/04; C25B11/00; C25B11/04; C25B11/051; C25B11/073; C25B11/075; C25B11/089; C25B11/091; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/36; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12701; Y10T428/12771; Y10T428/12806; Y10T428/12812; Y10T428/12861; Y10T428/12896
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
65 words
A method of electrolysis of a sea water electrolyte comprising passing an electrolysis current from an outside source through an electrolysis cell having a cathode of an electrically conductive electrode base having an outer coating on at least a portion of its exterior of an alloy of palladium and 10 to 50% by weight of either silver or lead and containing the sea water electrolyte.
Claim 2
Independent Claim
65 words
A method of electrolysis of a sea water electrolyte comprising passing an electrolysis current from an outside source through an electrolysis cell having a cathode of an electrically conductive electrode base having an outer coating on at least a portion of its exterior of an alloy of palladium and 10 to 50% by weight of either silver or lead and containing the sea water electrolyte.
Claim 3
Dependent Claim
42 words
A cathode for electrolytic reactions comprising a valve metal electrode base having an outer coating on at least a portion of its exterior of an alloy of 80 to 57% by weight of palladium and 20 to 43% by weight of silver.
Claim 4
Dependent Claim
42 words
A cathode for electrolytic reactions comprising a valve metal electrode base having an outer coating on at least a portion of its exterior of an alloy of 80 to 57% by weight of palladium and 20 to 43% by weight of silver.
Claim 5
Dependent Claim
11 words
The cathode of claim 2 wherein the valve metal is titanium.
Claim 6
Dependent Claim
42 words
A cathode for electrolytic reactions comprising a valve metal electrode base having an outer coating on at least a portion of its exterior of an alloy of 90 to 65% by weight of palladium and 10 to 35% by weight of lead.
Claim 7
Dependent Claim
42 words
A cathode for electrolytic reactions comprising a valve metal electrode base having an outer coating on at least a portion of its exterior of an alloy of 90 to 65% by weight of palladium and 10 to 35% by weight of lead.
References Cited (Backward Citations)
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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) | 1979-03-30 | 1979-09-29 | 1980-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-03-30 | 1983-09-29 | 1984-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-03-30 | 1987-09-29 | 1988-03-30 | $7700.00 | Window Closed / Lapsed |