Patent US2832730A successfully refreshed from Google Patents.
US2832730A
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Electrolytic production of elemental boron
Assignee: US Borax Inc
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Filing: 1954-06-18
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Granted: 1958-04-29
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Expires: 1974-06-18
Abstract
No abstract record available.
Inventors
- 👤 Nies Nelson Perry
- 👤 Edgar W Fajans
- 👤 Lester L Thomas
- 👤 Lawrence E Hiebert
- 👤 Morgan Vincent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:13
CPC Classifications
C; C25; C25B; C25B1/00; C01; C01B; C01B35/00; C01B35/02; C01B35/023; C25B1/01; C25C; C25C3/00; C25C3/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
THE PROCESS OF PRODUCING ELEMENTAL BORON, WHICH COMPRISES ELECTROLYZING A MOLTEN BATH TO DEPOSIT BORON ON THE CATHODE, SAID BOTH CONSISTING ESSENTIALLY OF BORON TRIOXIDE POTASSIUM CHLORIDE AND POTASSIUM FLUORIDE, THE PERCENTAGE CONTANT OF POTASSIUM FLUORIDE IN THE BATH BEING AT LEAST ABOUT FIVE TIMES THE SQUARE ROOT OF THE PERCENTAGE CONTENT OF BORON TRIOXIDE.
Claim 2
Dependent Claim
55 words
THE PROCESS OF PRODUCING ELEMENTAL BORON, WHICH COMPRISES ELECTROLYZING A MOLTEN BATH TO DEPOSIT BORON ON THE CATHODE, SAID BOTH CONSISTING ESSENTIALLY OF BORON TRIOXIDE POTASSIUM CHLORIDE AND POTASSIUM FLUORIDE, THE PERCENTAGE CONTANT OF POTASSIUM FLUORIDE IN THE BATH BEING AT LEAST ABOUT FIVE TIMES THE SQUARE ROOT OF THE PERCENTAGE CONTENT OF BORON TRIOXIDE.
References Cited (Backward Citations)
US2572249A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-28 | 1961-10-28 | 1962-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-28 | 1965-10-28 | 1966-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-28 | 1969-10-28 | 1970-04-29 | $7700.00 | Window Closed / Lapsed |