US3755106A
Expired / Lapsed
US
⏱️ 0.0 years remaining
ELECTROLYTIC OXIDATION OF Sb{11 S{11
Assignee: United States Department of the Interior
•
Filing: 1972-05-15
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Granted: 1973-08-28
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Expires: 1992-05-15
Abstract
Abstract Sb2S3 is converted to Sb205 by electrolysis of a slurry of sulphide in an aqueous solution containing alkali metal chloride, alkali metal bromide, or a mixture of the two.
Inventors
- 👤 B Scheiner
- 👤 R Lindstrom
- 👤 T Henrie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 10:07
CPC Classifications
C; C25; C25B; C25B1/00; C25B1/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
The process of claim 1 in which the alkali metal is sodium.
Claim 2
Dependent Claim
12 words
The process of claim 1 in which the alkali metal is potassium.
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) | 1976-08-27 | 1977-02-26 | 1977-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-27 | 1981-02-26 | 1981-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-27 | 1985-02-26 | 1985-08-28 | $7700.00 | Window Closed / Lapsed |