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US2883426A
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Process for the preparation of aldehydes and ketones
Assignee: Shell Development Co
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Filing: 1957-10-04
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Granted: 1959-04-21
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Expires: 1977-10-04
Abstract
No abstract record available.
Inventors
- 👤 Brackman Willem
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:57
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/27; C07C45/32; C07C45/37; C07C45/39; C07C45/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A PROCESS FOR THE PREPARATION OF ALDEHYDES AND KETONES, SAID PROCESS COMPRISING CONTACTING AN ALCOHOL HAVING AT LEAST ONE HYDROGEN ATOM DIRECTLY BONDED TO THE CARBON ATOM OF THE CARBINOL GROUP WITH A MOLECULAR OXYGEN-CONTAINING GAS AT A TEMPERATURE FROM ABOUT 0*C. TO ABOUT 100*C. IN THE PRESENCE OF A LIQUID MIXTURE OF A COMPLEX FORMED FROM A COPPER SALT AND AN AMINE HAVING AT LEAST ONE HYDROGEN ATOM DIRECTLY BONDED TO THE NITROGEN.
Claim 2
Dependent Claim
74 words
A PROCESS FOR THE PREPARATION OF ALDEHYDES AND KETONES, SAID PROCESS COMPRISING CONTACTING AN ALCOHOL HAVING AT LEAST ONE HYDROGEN ATOM DIRECTLY BONDED TO THE CARBON ATOM OF THE CARBINOL GROUP WITH A MOLECULAR OXYGEN-CONTAINING GAS AT A TEMPERATURE FROM ABOUT 0*C. TO ABOUT 100*C. IN THE PRESENCE OF A LIQUID MIXTURE OF A COMPLEX FORMED FROM A COPPER SALT AND AN AMINE HAVING AT LEAST ONE HYDROGEN ATOM DIRECTLY BONDED TO THE NITROGEN.
References Cited (Backward Citations)
US2459896A
Cited
US2462413A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-20 | 1962-10-20 | 1963-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-20 | 1966-10-20 | 1967-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-20 | 1970-10-20 | 1971-04-21 | $7700.00 | Window Closed / Lapsed |