US3907600A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrode of selenides or tellurides
Assignee: Licentia Patent Verwaltungs GmbH
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Filing: 1970-06-09
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Granted: 1975-09-23
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Expires: 1990-06-09
Abstract
Abstract A fuel electrode whose catalytic component is chosen from the group consisting of the tellurides and selenides of the elements molybdenum, tungsten, and chromium.
Inventors
- 👤 Franz Arthur Pohl
- 👤 Harald Bohm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 00:38
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/86; H01M4/90; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
44 words
AN ELECTRODE CONSISTING ESSENTIALLY OF AT LEAST ONE COMPOUND SELECTED FROM THE GROUP CONSISTING OF THE TELLURIDES AND SENIDES OF THE ELEMENTS MOLYBDENUM, TUNGSEN AND CHROMIUM, AND FUTHER CONTAINING AT LEAST ONE COMPOUND SELECTED FROM THE GROUP CONSISTING OF MOLYBDENUM SULFIDE AND TUNGSTEN SULFIDE
Claim 2
Dependent Claim
44 words
AN ELECTRODE CONSISTING ESSENTIALLY OF AT LEAST ONE COMPOUND SELECTED FROM THE GROUP CONSISTING OF THE TELLURIDES AND SENIDES OF THE ELEMENTS MOLYBDENUM, TUNGSEN AND CHROMIUM, AND FUTHER CONTAINING AT LEAST ONE COMPOUND SELECTED FROM THE GROUP CONSISTING OF MOLYBDENUM SULFIDE AND TUNGSTEN SULFIDE
Claim 3
Dependent Claim
15 words
An electrode as claimed in claim 1, further containing means for increasing effective electrical conductivity.
Claim 4
Dependent Claim
21 words
An electrode as claimed in claim 2, said means being selected from the group consisting of hard coal and tungsten carbide.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-09-22 | 1979-03-24 | 1979-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-09-22 | 1983-03-24 | 1983-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-09-22 | 1987-03-24 | 1987-09-23 | $7700.00 | Window Closed / Lapsed |