Patent US2561526A successfully refreshed from Google Patents.
US2561526A
Expired / Lapsed
US
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Production of pure ductile vanadium from vanadium oxide
Assignee: Individual
•
Filing: 1949-09-30
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Granted: 1951-07-24
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Expires: 1969-09-30
Abstract
No abstract record available.
Inventors
- 👤 Robert K Mckechnie
- 👤 Alan U Seybolt
- 👤 John E Gray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:29
CPC Classifications
C; C22; C22B; C22B34/00; C22B34/20; C22B34/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A PROCESS FOR OBTAINING A MASSIVE BODY OF DUCTILE VANADIUM WHICH COMPRISES FORMING A REACTION MIXTURE CONSISTING OF VANADIUM PENTOXIDE, FROM 0.05 MOL TO 0.4 MOL OF IODINE PER MOL OF VANADIUM PENTOXIDE, AND AT LEAST 40% MORE METALLIC CALCIUM THAN IS STOICHIOMETRICALLY NEEDED TO REACT WITH SAID VANADIUM PENTOXIDE AND IODINE, CHARGING SAID REACTION MIXTURE TO A BOMB, HEATING THE BOMB UP TO THE REACTION TEMPERATURE, AND THEN AFTER THE REACTION IS OVER SEPARATING TEH MASSIVE BODY OF DUCTILE VANADIUM THEREBY OBTAINED FROM THE SLAG PRODUCED IN THE REACTION.
Claim 2
Dependent Claim
90 words
A PROCESS FOR OBTAINING A MASSIVE BODY OF DUCTILE VANADIUM WHICH COMPRISES FORMING A REACTION MIXTURE CONSISTING OF VANADIUM PENTOXIDE, FROM 0.05 MOL TO 0.4 MOL OF IODINE PER MOL OF VANADIUM PENTOXIDE, AND AT LEAST 40% MORE METALLIC CALCIUM THAN IS STOICHIOMETRICALLY NEEDED TO REACT WITH SAID VANADIUM PENTOXIDE AND IODINE, CHARGING SAID REACTION MIXTURE TO A BOMB, HEATING THE BOMB UP TO THE REACTION TEMPERATURE, AND THEN AFTER THE REACTION IS OVER SEPARATING TEH MASSIVE BODY OF DUCTILE VANADIUM THEREBY OBTAINED FROM THE SLAG PRODUCED IN THE REACTION.
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) | 1954-07-23 | 1955-01-22 | 1955-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-23 | 1959-01-22 | 1959-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-23 | 1963-01-22 | 1963-07-24 | $7700.00 | Window Closed / Lapsed |