US3392059A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of producing nickel catalyst using sodium boron hydride
Assignee: VARTA AG
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Filing: 1964-10-30
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Granted: 1968-07-09
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Expires: 1984-10-30
Abstract
No abstract record available.
Inventors
- 👤 May Ingeborg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:56
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/86; H01M4/90; B; B01; B01J; B01J21/00; B01J21/02; B01J23/00; B01J23/38; B01J23/48; B01J23/50; B01J23/52; B01J23/70; B01J23/74; B01J23/755; B01J23/89; B01J23/892; B01J27/00; B01J27/24; B01J31/00; B01J31/02; B01J31/12; B01J31/14; B01J31/146; B01J33/00; C; C23; C23C; C23C22/00; C23C22/05; C23C22/06; C23C22/48; C23C22/54; C25; C25B; C25B11/00; C25B11/04; C25B11/051; C25B11/073; C25B11/075; C25B11/081; B01J23/90; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50; Y02P; Y02P20/00; Y02P20/50; Y02P20/584
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
100 words
IN A PROCESS OF PRODUCING A HIGHLY CATALYTICALLY ACTIVE POROUS NICKEL ELECTRODE BODY, THE STEPS WHICH COMPRISE IMPREGNATING A POROUS, SINTERED NICKEL BODY OF ABOUT 60% POROSITY WITH A METHANOLIC SOLUTION OF ONE OF THE FOLLOWING METALS: HEXACHLORO AURIC ACID OR SILVER NITRATE. TREATING THE RESULTING IMPREGNATED, SINTERED NICKEL BODY WITH A METHANOLIC SODIUM BORON HYDRIDE SOLUTION TO PRECIIPITATE ONE OF THE FOLLOWING METALS GOLD OR SILVER WITHIN THE PORES OF SAID SINTERED NICKEL BODY, WASHING THE RESULTING ACTIVATED NICKEL ELECTRODE BODY WITH METHANOL, AND UTILIZING SAID ELECTRODE BODY TO CATALYTICALLY ACTIVATE THE TRANSFER OF ELECTRONS IN AN ELECTROCHEMICAL PROCESS.
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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) | 1971-07-09 | 1972-01-08 | 1972-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-09 | 1976-01-08 | 1976-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-09 | 1980-01-08 | 1980-07-09 | $7700.00 | Window Closed / Lapsed |