US2767221A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of unsaturated alcohols
Assignee: Shell Development Co
•
Filing: 1953-06-11
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Granted: 1956-10-16
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Expires: 1973-06-11
Abstract
No abstract record available.
Inventors
- 👤 Seaver A Ballard
- 👤 Harry De V Finch
- 👤 Elbert A Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:26
CPC Classifications
C; C07; C07C; C07C33/00; C07C33/02; C07C33/025; C07C33/03; C07C29/00; C07C29/132; C07C29/136; C07C29/14; C07C29/141; C07C1/00; C07C1/20; C07C1/24; C07C31/00; C07C31/02; C07C31/125; C07C47/00; C07C47/02; C07C47/20; C07C47/21; C07C47/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A PROCESS FOR THE PRODUCTION OF A BETA, GAMMAOLEFINICALLY UNSATURATED ALCOHOL WHICH COMPRISES PASSING A VAPOROUS STREAM COMPRISING A LOWER ALPHA-METHYLIDENE ALKANAL AND AN EXCESS RELATIVE THERETO ON A MOLAR BASIS OF AN ALCOHOL HAVING HYDROGEN DIRECTLY ATTACHED TO CARBON ON WHICH THE HYDROXYL GROUP IS SUBSTITUTED INTO CONTACT WITH A CATAYST CONSISTING ESSENTIALLY OF OXIDE OF GROUP II METAL AT A TEMPERATURE OF FROM ABOUTR 200* C. TO ABOUT 500* C. AND RECOVERING THE CORRESPONDING BETA, GAMMAOLEFINICALLY UNSATURATED ALCOHOL CONTAINING THE SAME NUMBER AND ARRANGEMENT OF CARBON ATOMS AS THE CARBONYLIC REACTANT FROM THE RESULTING MIXTURE.
Claim 2
Dependent Claim
97 words
A PROCESS FOR THE PRODUCTION OF A BETA, GAMMAOLEFINICALLY UNSATURATED ALCOHOL WHICH COMPRISES PASSING A VAPOROUS STREAM COMPRISING A LOWER ALPHA-METHYLIDENE ALKANAL AND AN EXCESS RELATIVE THERETO ON A MOLAR BASIS OF AN ALCOHOL HAVING HYDROGEN DIRECTLY ATTACHED TO CARBON ON WHICH THE HYDROXYL GROUP IS SUBSTITUTED INTO CONTACT WITH A CATAYST CONSISTING ESSENTIALLY OF OXIDE OF GROUP II METAL AT A TEMPERATURE OF FROM ABOUTR 200* C. TO ABOUT 500* C. AND RECOVERING THE CORRESPONDING BETA, GAMMAOLEFINICALLY UNSATURATED ALCOHOL CONTAINING THE SAME NUMBER AND ARRANGEMENT OF CARBON ATOMS AS THE CARBONYLIC REACTANT FROM THE RESULTING MIXTURE.
References Cited (Backward Citations)
US2009948A
Cited
US2156217A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-16 | 1960-04-16 | 1960-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-16 | 1964-04-16 | 1964-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-16 | 1968-04-16 | 1968-10-16 | $7700.00 | Window Closed / Lapsed |