US3780074A
Expired / Lapsed
US
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Preparation of alkadienoic acid esters
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1971-06-03
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Granted: 1973-12-18
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Expires: 1991-06-03
Abstract
Abstract ESTERS OF ALKADIENOIC ACIDS ARE PREPARED THROUGH THE REACTION OF C4-C12 ALIPHATIC, ACYCLIC, CONJUGATED DIOLEFINS WITH A C1-C20 MONOHYDROXY ALCOHOL AND EITHER GASEOUS CARBON MONOXIDE OR GASES CONTAINING CARBON MONOXIDE IN THE PRESENCE OF A CATALYST SYSTEM INCLUDING ZEROVALENT PALLADIUM. A PREFERRED CATALYST SYSTEM IS COMPRISED OF A ZEROVALENT PALLADIUM MATERIAL AND A PHOSPHINE ACTIVATOR. THE REACTION IS CONDUCTED AT MODERATE TEMPERATURE AND PRESSURE CONDITIONS. THE ALKADIENOIC ACID ESTERS AND THEIR HYDROGENATED DERIVATIVES ARE USEFUL AS SOLVENTS, BRAKE FLUIDS AND PLASTICIZERS.
Inventors
- 👤 M Romanelli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:15
CPC Classifications
B; B01; B01J; B01J31/00; B01J31/16; B01J31/24; B01J31/2404; B01J31/18; B01J31/1805; C; C10; C10M; C10M3/00; B01J2231/00; B01J2231/30; B01J2231/32; B01J2231/323; B01J2531/00; B01J2531/80; B01J2531/84; B01J2531/847; B01J31/22; B01J31/2282; B01J31/2291; B01J31/2295; C10M2207/00; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10N; C10N2040/00; C10N2040/08
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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) | 1976-12-17 | 1977-06-18 | 1977-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-17 | 1981-06-18 | 1981-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-17 | 1985-06-18 | 1985-12-18 | $7700.00 | Window Closed / Lapsed |