US2992272A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of carbonyl olefins
Assignee: General Electric Co
•
Filing: 1957-02-25
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Granted: 1961-07-11
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Expires: 1977-02-25
Abstract
No abstract record available.
Inventors
- 👤 Allan S Hay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:25
CPC Classifications
C; C07; C07C; C07C59/00; C07C59/40; C07C59/76; C07C45/00; C07C45/27; C07C45/32; C07C45/33; C07C45/34; C07C45/36; C07C51/00; C07C51/16; C07C51/21; C07C51/25; C07C57/00; C07C57/30; C07C57/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
THE PROCESS OF PRODUCING AN OLEFINIC CARBONYL COMPOUND WHICH COMPRISES REACTING OXYGEN WITH AN OLEFINIC HYDROCARBON HAVING A SATURATED A-CARBON ATOM WITH AT LEAST ONE HYDROGEN ATTACHED THERETO, ADJACENT TO THE OLEFINIC GROUP, SAID OLEFINIC HYDROCARBON BEING OXIDIZED WHILE DISSOLVED IN A LIQUID SOLVENT IN WHICH THE WATER CONCENTRATION IS MAINTAINED AT NO MORE THAN 5 PERCENT BY WEIGHT, THE SOLVENT ALSO CONTAINING IN SOLUTION A CATALYST CONSISTING ESSENTIALLY OF A COMBINATION OF COBALT, BROMINE AND A CARBOXYLIC ACID IN WHICH THE BROMINE-TO-COBALT ATOMIC RATIO IS ABOUT 0.008 TO 1.9 ATOMS OF BROMINE PER ATOM OF COBALT, SAID COBALT BEING DERIVED FROM DIVALENT AND TRIVALENT COBALT SALTS.
Claim 2
Dependent Claim
107 words
THE PROCESS OF PRODUCING AN OLEFINIC CARBONYL COMPOUND WHICH COMPRISES REACTING OXYGEN WITH AN OLEFINIC HYDROCARBON HAVING A SATURATED A-CARBON ATOM WITH AT LEAST ONE HYDROGEN ATTACHED THERETO, ADJACENT TO THE OLEFINIC GROUP, SAID OLEFINIC HYDROCARBON BEING OXIDIZED WHILE DISSOLVED IN A LIQUID SOLVENT IN WHICH THE WATER CONCENTRATION IS MAINTAINED AT NO MORE THAN 5 PERCENT BY WEIGHT, THE SOLVENT ALSO CONTAINING IN SOLUTION A CATALYST CONSISTING ESSENTIALLY OF A COMBINATION OF COBALT, BROMINE AND A CARBOXYLIC ACID IN WHICH THE BROMINE-TO-COBALT ATOMIC RATIO IS ABOUT 0.008 TO 1.9 ATOMS OF BROMINE PER ATOM OF COBALT, SAID COBALT BEING DERIVED FROM DIVALENT AND TRIVALENT COBALT SALTS.
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) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |