Patent US534386A successfully refreshed from Google Patents.
Patent US2772228A successfully refreshed from Google Patents.
US2772228A
Expired / Lapsed
US
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Preparation of metal fluoborates
Assignee: Callery Chemical Co
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Filing: 1954-04-12
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Granted: 1956-11-27
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Expires: 1974-04-12
Abstract
No abstract record available.
Inventors
- 👤 Albert D Mcelroy
- 👤 Richard M Hunt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:28
CPC Classifications
C; C25; C25B; C25B1/00; C25B1/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A METHOD OF PERPARING METAL FLUOBORATES COMPRISING ELECTROLYZING A NON-AQUEOUS SOLUTION OF AN IONIC METAL FLUOBORATE WITH AN ANODE OF THE DESIRED METAL IN A SOLVENT IN WHICH THE DESIRED METAL FLUOBORATE IS SUBSTANTIALLY INSOLUBLE AND RECOVERING THE FLUOBORATE PRECIPITATED AT THE ANODE.
Claim 2
Independent Claim
43 words
A METHOD OF PERPARING METAL FLUOBORATES COMPRISING ELECTROLYZING A NON-AQUEOUS SOLUTION OF AN IONIC METAL FLUOBORATE WITH AN ANODE OF THE DESIRED METAL IN A SOLVENT IN WHICH THE DESIRED METAL FLUOBORATE IS SUBSTANTIALLY INSOLUBLE AND RECOVERING THE FLUOBORATE PRECIPITATED AT THE ANODE.
References Cited (Backward Citations)
US2673837A
Cited
US2690422A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-27 | 1960-05-28 | 1960-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-27 | 1964-05-28 | 1964-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-27 | 1968-05-28 | 1968-11-27 | $7700.00 | Window Closed / Lapsed |