US2779802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthesis of oxygenated compounds
Assignee: Shell Development Co
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Filing: 1953-05-18
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Granted: 1957-01-29
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Expires: 1973-05-18
Abstract
No abstract record available.
Inventors
- 👤 Jr James T Harlan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:08
CPC Classifications
C; C07; C07C; C07C29/00; C07C29/16; C07C29/132; C07C29/136; C07C29/14; C07C29/141
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
105 words
IN THE PROCESS OF REMOVING DISSOLVED COBALT CARBONYL FROM THE LIQUID OXYGENATED PRODUCT OF THE CONVERSION OF ORGANIC COMPOUNDS HAVING AN OLEFINIC DOUBLE BOND WITH CO AND H2 IN THE PRESENCE OF CARBONYL-FORMING COBALT CATALYST, SAID LIQUID OXYGENATED PRODUCT COMPRISING SUBSTANTIALLY AMOUNTS OF ALDEHYDES, BY HEATING SAID LIQUD PRODUCT IN A CATALYST DECOMPOSITION ZONE UNDER CATALYST DECOMPOSITION CONDITIONS INCLUDING ELEVATED TEMPERATURES, THE IMPROVEMENT WHICH COMPRISES MAINTAINING DECOMPOSITION TEMPERATURE BY MIXING SAID PRODUCT IN SAID CATALYST DECOMPOSITION ZONE WITH A FLUID SUFFICIENT IN AMOUNT AND PREHEATED IN THE ABSENCE OF DISSOLVED COBALT CARBONYL TO A TEMPERATURE SUFFICIENT TO KEEP THE MIXTURE FORMED AT SAID DECOMPOSITION TEMPERATURE.
References Cited (Backward Citations)
US2596920A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-29 | 1960-07-30 | 1961-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-29 | 1964-07-30 | 1965-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-29 | 1968-07-30 | 1969-01-29 | $7700.00 | Window Closed / Lapsed |