Patent US2596920A successfully refreshed from Google Patents.
US2596920A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthesis of oxygenated organic compounds
Assignee: Standard Oil Development Co
•
Filing: 1948-07-30
•
Granted: 1952-05-13
•
Expires: 1968-07-30
Abstract
No abstract record available.
Inventors
- 👤 Warren M Smith
- 👤 William D Luening
- 👤 Stanley C Lane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:33
CPC Classifications
C; C07; C07C; C07C27/00; C07C27/20; C07C27/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
165 words
IN A CONTINUOUS CARBONLATION PROCESS WHEREIN CARBON COMPOUNDS CONTAINING OLEFINIC DOUBLE BONDS ARE CONTACTED IN AN INITIAL REACTION ZONE WITH CARBON MONOXIDE AND HYDROGEN IN THE PRESENCE OF COBALT CATALYST UNDER CONDITIONS TO PRODUCE REACTION PRODUCTS COMPRISING OXYGENATED ORGANIC COMPOUNDS CONTAINING ONE MORE CARBON ATOM THAN SAID CARBON COMPOUNDS, WHICH REACTION CONDITIONS COMPRISE PRESSURES OF ABOUT 100 TO 300 ATMOSPHERES, AND WHEREIN COBALT COMPOUNDS INCLUDING COBALT CARBONLS ARE DISSOLVED IN SAID REACTION PRODUCTS, THE IMPROVEMENT WHICH COMPRISES PASSIG SAID REACTION PRODUCTS AND THE THEREIN DISSOLVED COBALT COMPOUNDS TO A CATALYST DECOMPOSITION ZONE, MAINTAINING CATALYST DECOMPOSITION CONDITIONS COMPRISING PRESSURES SUBSTANTIALLY LOWER THAN IN SAID INITIAL REACTION ZONE AND JUST SUFFICIENT TO PREVENT SUBSTANTIAL VAPORIZATION OF LIQUID REACTION PRODUCTS AT DECOMPOSITION TEMPERATURES AND TEMPERATURES IN THE RANGE OF FROM ABOUT 200* TO ABOUT 400* F. WHEREBY A HIGH COBALT CARBONYL DECOMPOSITION RATE IS MAINTAINED AND SUBSTANTIAL VAPORIZATION OF LIQUID PREVENTED, AND REMOVING A LIQUID PRODUCT COMPRISING ALDEHYDES SUBSTANTIALLY FREE OF DISSOLVED CATALYST FROM SAID CATALYST DECOMPOSITION ZONE.
Claim 2
Dependent Claim
165 words
IN A CONTINUOUS CARBONLATION PROCESS WHEREIN CARBON COMPOUNDS CONTAINING OLEFINIC DOUBLE BONDS ARE CONTACTED IN AN INITIAL REACTION ZONE WITH CARBON MONOXIDE AND HYDROGEN IN THE PRESENCE OF COBALT CATALYST UNDER CONDITIONS TO PRODUCE REACTION PRODUCTS COMPRISING OXYGENATED ORGANIC COMPOUNDS CONTAINING ONE MORE CARBON ATOM THAN SAID CARBON COMPOUNDS, WHICH REACTION CONDITIONS COMPRISE PRESSURES OF ABOUT 100 TO 300 ATMOSPHERES, AND WHEREIN COBALT COMPOUNDS INCLUDING COBALT CARBONLS ARE DISSOLVED IN SAID REACTION PRODUCTS, THE IMPROVEMENT WHICH COMPRISES PASSIG SAID REACTION PRODUCTS AND THE THEREIN DISSOLVED COBALT COMPOUNDS TO A CATALYST DECOMPOSITION ZONE, MAINTAINING CATALYST DECOMPOSITION CONDITIONS COMPRISING PRESSURES SUBSTANTIALLY LOWER THAN IN SAID INITIAL REACTION ZONE AND JUST SUFFICIENT TO PREVENT SUBSTANTIAL VAPORIZATION OF LIQUID REACTION PRODUCTS AT DECOMPOSITION TEMPERATURES AND TEMPERATURES IN THE RANGE OF FROM ABOUT 200* TO ABOUT 400* F. WHEREBY A HIGH COBALT CARBONYL DECOMPOSITION RATE IS MAINTAINED AND SUBSTANTIAL VAPORIZATION OF LIQUID PREVENTED, AND REMOVING A LIQUID PRODUCT COMPRISING ALDEHYDES SUBSTANTIALLY FREE OF DISSOLVED CATALYST FROM SAID CATALYST DECOMPOSITION ZONE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-13 | 1955-11-12 | 1956-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-13 | 1959-11-12 | 1960-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-13 | 1963-11-12 | 1964-05-13 | $7700.00 | Window Closed / Lapsed |