Patent US2725401A successfully refreshed from Google Patents.
US2725401A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthesis of oxygenated organic compounds
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1948-11-19
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Granted: 1955-11-29
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Expires: 1968-11-19
Abstract
No abstract record available.
Inventors
- 👤 Joseph K Mertzweiller
- 👤 Warren M Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:28
CPC Classifications
C; C07; C07C; C07C27/00; C07C27/20; C07C27/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
239 words
A PROCESS FOR THE PRODUCTION OF SYNTHETIC OXYGENCONTAINING COMPOUNDS IN WHICH ALDEHYDES ARE PRODUCED IN GOOD YIELDS BY THE REACTION OF OLEFINIC COMPOUNDS WITH CARBON MONOXIDE AND HYDROGEN, IN WHICH A FLUID COBALT CARBONYL IS USED AS CATALYST, WHICH COMPRISES CONTAINING SOLID COBALT METAL WITH A GAS COMPRISING CARBON MONOXIDE, IN THE ABSENCE OF OLEFIN FEED, IN A FIRST ZONE WHEREBY A FLUID COBALT CARBONYL IS FORMED, PASSING SAID FLUID COBALT CARBONY AS CATALYST THROUGH A SECOND ZONE TOGETHER WITH AN OLEFIN, CARBON MONOXIDE, AND HYDROGEN, THE SECOND ZONE BEING OPERATED IN A CONTINUOUS MANNER UNDER THE CONDITIONS OF THE OXO REACTION, SAID FLUID COBALT CARBONYL BEING THE SOLE CATALYTIC MATERIAL INTRODUCED IN THE SECOND ZONE, WITHDRAWING FROM THE SECOND ZONE A MIXTURE COMPRISING SYNTHETIC OXYGEN-CONTAINING COMPOUNDS AND FLUID COBALT COMPOUNDS, CONTACTING SAID MIXTURE IN A THIRD ZONE WITH A SOLID SUPPORT MATERIAL UNDER CONDITIONS FOR THE DECOMPOSITION OF THE FLUID COBALT COMPOUND WITH DEPOSITION OF COBALT METAL UPON THE SUPPORT, AND WITHDRAWING THE SYNTHETIC OXYGEN-CONTAINING COMPOUND FROM THE THIRD ZONE AND WHEREIN THE FLOW THROUGH THE SYSTEM BETWEEN THE ZONES IS PERIODICALY REVERSED WHEN A PREDETERMINED AMOUNT OF COBALT HAS BEEN DEPOSITED IN THE THIRD ZONE COBALT CONDITIONS IN THE SYSTEM ADJUSTED SO THAT A FLUID COBALT CARBONYL IS PRODUCED IN THE THIRD ZONE AND FLUID COBALT COMPOUNDS ARE DECOMPOSED IN THE FIRST ZONE, THE CONCENTRATION OF COBALT IN THE SECOND ZONE BEING MAINTAINED WITHIN 0.1 TO 0.3%.
Claim 2
Dependent Claim
239 words
A PROCESS FOR THE PRODUCTION OF SYNTHETIC OXYGENCONTAINING COMPOUNDS IN WHICH ALDEHYDES ARE PRODUCED IN GOOD YIELDS BY THE REACTION OF OLEFINIC COMPOUNDS WITH CARBON MONOXIDE AND HYDROGEN, IN WHICH A FLUID COBALT CARBONYL IS USED AS CATALYST, WHICH COMPRISES CONTAINING SOLID COBALT METAL WITH A GAS COMPRISING CARBON MONOXIDE, IN THE ABSENCE OF OLEFIN FEED, IN A FIRST ZONE WHEREBY A FLUID COBALT CARBONYL IS FORMED, PASSING SAID FLUID COBALT CARBONY AS CATALYST THROUGH A SECOND ZONE TOGETHER WITH AN OLEFIN, CARBON MONOXIDE, AND HYDROGEN, THE SECOND ZONE BEING OPERATED IN A CONTINUOUS MANNER UNDER THE CONDITIONS OF THE OXO REACTION, SAID FLUID COBALT CARBONYL BEING THE SOLE CATALYTIC MATERIAL INTRODUCED IN THE SECOND ZONE, WITHDRAWING FROM THE SECOND ZONE A MIXTURE COMPRISING SYNTHETIC OXYGEN-CONTAINING COMPOUNDS AND FLUID COBALT COMPOUNDS, CONTACTING SAID MIXTURE IN A THIRD ZONE WITH A SOLID SUPPORT MATERIAL UNDER CONDITIONS FOR THE DECOMPOSITION OF THE FLUID COBALT COMPOUND WITH DEPOSITION OF COBALT METAL UPON THE SUPPORT, AND WITHDRAWING THE SYNTHETIC OXYGEN-CONTAINING COMPOUND FROM THE THIRD ZONE AND WHEREIN THE FLOW THROUGH THE SYSTEM BETWEEN THE ZONES IS PERIODICALY REVERSED WHEN A PREDETERMINED AMOUNT OF COBALT HAS BEEN DEPOSITED IN THE THIRD ZONE COBALT CONDITIONS IN THE SYSTEM ADJUSTED SO THAT A FLUID COBALT CARBONYL IS PRODUCED IN THE THIRD ZONE AND FLUID COBALT COMPOUNDS ARE DECOMPOSED IN THE FIRST ZONE, THE CONCENTRATION OF COBALT IN THE SECOND ZONE BEING MAINTAINED WITHIN 0.1 TO 0.3%.
References Cited (Backward Citations)
US2250421A
Cited
US2571160A
Cited
US2587858A
Cited
US2508743A
Cited
US2464916A
Cited
US2658083A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-28 | 1959-05-30 | 1959-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-28 | 1963-05-30 | 1963-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-28 | 1967-05-30 | 1967-11-29 | $7700.00 | Window Closed / Lapsed |