US2876254A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of esters from olefins, carbon monoxide and alcohols with a catalyst comprising an alcohol-soluble salt of a noble metal of group viii and an alcohol-soluble salt of tin or germanium
Assignee: EIDP Inc
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Filing: 1957-04-04
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Granted: 1959-03-03
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Expires: 1977-04-04
Abstract
No abstract record available.
Inventors
- 👤 Edward L Jenner
- 👤 Jr Richard V Lindsey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:41
CPC Classifications
C; C07; C07C; C07C69/00; C07C69/52; C07C69/533; C07C69/54; C07C27/00; C07C27/20; C07C27/22; C07C51/00; C07C51/10; C07C51/14; C07C67/00; C07C67/36; C07C67/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
PROCESS FOR PREPARING CARBOXYLIC ACID ESTERS SELECTED FROM THE CLASS CONSISTING OF ALIPHATIC AND CYCLOALIPHATIC HYDROCARBON MONOCARBOXYLIC ACID ESTERS WHICH COMPRISES BRINGING INTO CONTACT AND REACTING CARBON MONOXIDE WITH A NON-AROMATIC UNSATURATED HYDROCARBON OF UP TO SIX CARBON ATOMS IN WHICH EACH OF THE PLURALLY BONDED CARBON ATOMS IS BONDED DIRECTLY TO NOT MORE THAN ONE OTHER CARBON ATOM AND WITH A MONOHYDRIC ALCOHOL OF UP TO SEVEN CARBON ATOMS SELECTED FROM THE CLASS CONSISTING OF ALKANOLS AND CYCLOAKANOLS AND HAVING HYDROGEN ATTACHED TO THE CARBON ATOM BEARING THE HYDROXYL GROUP IN THE PRESENCE OF A CATALYST WHICH IS A COMBINATION OF AN ALCOHOL-SOLUBLE SALT OF A METAL SELECTED FROM THE CLASS CONSISTING OF TIN AND GERMANIUM WITH AN ALCOHOLSOLUBLE SALT OF A NOBLE METAL FROM GROUP VIII OF THE PERIODIC TABLE.
Claim 2
Dependent Claim
132 words
PROCESS FOR PREPARING CARBOXYLIC ACID ESTERS SELECTED FROM THE CLASS CONSISTING OF ALIPHATIC AND CYCLOALIPHATIC HYDROCARBON MONOCARBOXYLIC ACID ESTERS WHICH COMPRISES BRINGING INTO CONTACT AND REACTING CARBON MONOXIDE WITH A NON-AROMATIC UNSATURATED HYDROCARBON OF UP TO SIX CARBON ATOMS IN WHICH EACH OF THE PLURALLY BONDED CARBON ATOMS IS BONDED DIRECTLY TO NOT MORE THAN ONE OTHER CARBON ATOM AND WITH A MONOHYDRIC ALCOHOL OF UP TO SEVEN CARBON ATOMS SELECTED FROM THE CLASS CONSISTING OF ALKANOLS AND CYCLOAKANOLS AND HAVING HYDROGEN ATTACHED TO THE CARBON ATOM BEARING THE HYDROXYL GROUP IN THE PRESENCE OF A CATALYST WHICH IS A COMBINATION OF AN ALCOHOL-SOLUBLE SALT OF A METAL SELECTED FROM THE CLASS CONSISTING OF TIN AND GERMANIUM WITH AN ALCOHOLSOLUBLE SALT OF A NOBLE METAL FROM GROUP VIII OF THE PERIODIC TABLE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-02 | 1962-09-01 | 1963-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-02 | 1966-09-01 | 1967-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-02 | 1970-09-01 | 1971-03-03 | $7700.00 | Window Closed / Lapsed |