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US3595616A
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Method of producing carbonyls of metals of the vi and vii groups and carbonyl of cobalt and vanadium
Assignee: NIKOLAI ALEXANDROVICH BELOZERS
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Filing: 1968-09-20
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Granted: 1971-07-27
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Expires: 1988-09-20
Abstract
Abstract A METHOD OF PRODUCING CARBONYLS OF GROUPS VI AND VII METALS AND ALSO OF COBALT AND VANADIUM WHICH COMPRISES SUBJECTING METALS OF GROUPS VI AND VII, COBALT VANADIUM OR COMPOUNDS THEREOF, TO CARBONYLATION IN THE PRESENCE OF IRON AND/OR NICKEL UNDER SUPERATMOSPHERIC PRESSURE AND AT ELEVATED TEMPERATURE, FOLLOWED BY CONDENSING THE CARBONYLS OF SAID METALS FROM THE RESULTING GAS-VAPOR MIXTURE WHILE SAID MIXTURE IS BEING REFLUXED WITH LIQUID CARBONYLS OF IRON AND/OR NICKEL.
Inventors
- 👤 Nikolai Alexandrovi Belozersky
- 👤 Olga Davidovna Krichevskaya
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:14
CPC Classifications
C; C01; C01G; C01G1/00; C01G1/04; B; B01; B01J; B01J21/00; B01J21/02; B01J27/00; B01J27/24; B01J31/00; B01J31/16; B01J31/20; B01J2531/00; B01J2531/50; B01J2531/56; B01J2531/80; B01J2531/84; B01J2531/842; B01J2531/845; B01J2531/847
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-07-26 | 1975-01-25 | 1975-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-26 | 1979-01-25 | 1979-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-26 | 1983-01-25 | 1983-07-27 | $7700.00 | Window Closed / Lapsed |