Patent US4636151A successfully refreshed from Google Patents.
Patent US2985504A successfully refreshed from Google Patents.
US2985504A
Expired / Lapsed
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Process for forming cobalt hydrocarbonyl
Assignee: Houdry Process Corp
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Filing: 1957-06-17
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Granted: 1961-05-23
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Expires: 1977-06-17
Abstract
No abstract record available.
Inventors
- 👤 Orchin Milton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:52
CPC Classifications
C; C01; C01G; C01G51/00; C01G51/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A PROCESS FOR FORMING COBALT HYDROCARBONYL AS THE PRINCIPAL REACTION PRODUCT WHICH COMPRISES CONTACTING A TEMPERATURE OF AT LEAST 75*F. AND AT A SUPER-ATMOSPHERIC PRESSURE A MIXTURE COMPOSED OF DICOBALT OCTACARBONYL, HYDROGEN, AND CARBON MONOXIDE, THE MOLAR RATIO OF HYDROGEN TO CARBON MONOXIDE BEING IN THE RANGE OF 1/4 TO 4/1, COOLING THE PRESSURIZED MIXTURE TO A TEMPERATURE AT LEAST AS LOW AS -33*C., AND DEPRESSURIZING THE COOLED MIXTURE.
Claim 2
Dependent Claim
69 words
A PROCESS FOR FORMING COBALT HYDROCARBONYL AS THE PRINCIPAL REACTION PRODUCT WHICH COMPRISES CONTACTING A TEMPERATURE OF AT LEAST 75*F. AND AT A SUPER-ATMOSPHERIC PRESSURE A MIXTURE COMPOSED OF DICOBALT OCTACARBONYL, HYDROGEN, AND CARBON MONOXIDE, THE MOLAR RATIO OF HYDROGEN TO CARBON MONOXIDE BEING IN THE RANGE OF 1/4 TO 4/1, COOLING THE PRESSURIZED MIXTURE TO A TEMPERATURE AT LEAST AS LOW AS -33*C., AND DEPRESSURIZING THE COOLED MIXTURE.
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) | 1964-05-22 | 1964-11-21 | 1965-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-22 | 1968-11-21 | 1969-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-22 | 1972-11-21 | 1973-05-23 | $7700.00 | Window Closed / Lapsed |