US2542767A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organic ester synthesis
Assignee: EIDP Inc
•
Filing: 1949-02-11
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Granted: 1951-02-20
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Expires: 1969-02-11
Abstract
No abstract record available.
Inventors
- 👤 William F Gresham
- 👤 Richard E Brooks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:35
CPC Classifications
B; B01; B01J; B01J31/00; B01J31/02; B01J31/04; B01J23/00; B01J23/70; B01J31/16; B01J31/20; C; C07; C07C; C07C67/00; C07C67/36; C07C67/38; B01J2231/00; B01J2231/30; B01J2231/32; B01J2231/321; B01J2531/00; B01J2531/02; B01J2531/0202; B01J2531/0208; B01J2531/80; B01J2531/84; B01J2531/845
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A PROCESS FOR THE PRODUCTION OF ESTERS OF ORGANIC CARBOXYLIC ACIDS WHICH COMPRISES HEATING A NON-AROMATIC HYDROCARBON CONTAINING OLEFINIC UNSATURATION WITH CARBON MONOXIDE AND A PRIMARY ALCOHOL AT A TEMPERATURE IN THE RANGE OF FROM 150* TO 500* C., UNDER A PRESSUR OF AT LEAST 50 ATMOSPHERES, IN THE PRESENCE OF A CATALYST WHICH HAS BEEN INTRODUCED INTO THE REACTION MIXTURE IN THE FORM OF A SUBSTANCE SELECTED FROM THE CLASS CONSISTING OF METALLIC COBALT, COBALT OXIDES, COBALT METAL CARBONYLS, AND COBALT SALTS OF ORGANIC CARBOXYLIC ACIDS, AND THEREAFTER SEPARATING FROM THE RESULTING MIXTURE AN ORGANIC CARBOXYLIC ESTER FORMED BY THE ENSUING REACTION BETWEEN THE SAID HYDROCARBON, CARBON MONOXIDE, AND PRIMARY ALCOHOL, THE SAID PROCESS BEING CARRIED OUT IN THE ABSENCE OF ANY OTHER CATALYST FOR THE SAID REACTION.
Claim 2
Dependent Claim
129 words
A PROCESS FOR THE PRODUCTION OF ESTERS OF ORGANIC CARBOXYLIC ACIDS WHICH COMPRISES HEATING A NON-AROMATIC HYDROCARBON CONTAINING OLEFINIC UNSATURATION WITH CARBON MONOXIDE AND A PRIMARY ALCOHOL AT A TEMPERATURE IN THE RANGE OF FROM 150* TO 500* C., UNDER A PRESSUR OF AT LEAST 50 ATMOSPHERES, IN THE PRESENCE OF A CATALYST WHICH HAS BEEN INTRODUCED INTO THE REACTION MIXTURE IN THE FORM OF A SUBSTANCE SELECTED FROM THE CLASS CONSISTING OF METALLIC COBALT, COBALT OXIDES, COBALT METAL CARBONYLS, AND COBALT SALTS OF ORGANIC CARBOXYLIC ACIDS, AND THEREAFTER SEPARATING FROM THE RESULTING MIXTURE AN ORGANIC CARBOXYLIC ESTER FORMED BY THE ENSUING REACTION BETWEEN THE SAID HYDROCARBON, CARBON MONOXIDE, AND PRIMARY ALCOHOL, THE SAID PROCESS BEING CARRIED OUT IN THE ABSENCE OF ANY OTHER CATALYST FOR THE SAID REACTION.
References Cited (Backward Citations)
US1979717A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-19 | 1954-08-21 | 1955-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-19 | 1958-08-21 | 1959-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-19 | 1962-08-21 | 1963-02-20 | $7700.00 | Window Closed / Lapsed |