Patent US3734842A successfully refreshed from Google Patents.
US3734842A
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US
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Electrolytic process for the production of alkali metal borohydrides
Assignee: Individual
•
Filing: 1971-05-05
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Granted: 1973-05-22
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Expires: 1991-05-05
Abstract
Abstract A PROCESS FOR PRODUCING AN ALKALI-METAL BOROHYDRIDE SOLUTION UTILIZING AN ELECTROLYTIC CELL HAVING A CATIONIC-SELECTIVE MEMBRANE SEPARATING THE ANODE AND ANTHODE COMPARTMENTS WITH REDUCTION OF BORATE IONS TO BOROHYDRIDE IONS OCCURRING IN THE CATHODE COMPARTMENT TO PRODUCE THE ALKALI-METAL BOROHYDRIDE SOLUTION FROM WHICH THE BOROHYDRIDE MATERIAL MAY BE SEPARATED.
Inventors
- 👤 H Cooper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:45
CPC Classifications
C; C25; C25B; C25B1/00; C25B1/01; C25B1/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-05-21 | 1976-11-20 | 1977-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-21 | 1980-11-20 | 1981-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-21 | 1984-11-20 | 1985-05-22 | $7700.00 | Window Closed / Lapsed |