US2638488A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of high alcohols by improved oxo process
Assignee: Standard Oil Co
•
Filing: 1951-09-13
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Granted: 1953-05-12
•
Expires: 1971-09-13
Abstract
No abstract record available.
Inventors
- 👤 William J Cerveny
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:55
CPC Classifications
C; C07; C07C; C07C27/00; C07C27/20; C07C27/22; C07C29/00; C07C29/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
THE METHOD OF HYDROGENATING ALDEHYDES IN A LIQUID STREAM WHICH ALSO CONTAINS LOWER BOILING OLEFINS AND COBALT CATALYST, WHICH METHOD COMPRISES FIRST FREEING SAID STREAM FROM COBALT CATALYST, THEN HYDROGENATING SAID STREAM IN THE PRESENCE OF A COBALT-ON-PUMICE CATALYST CONTAINING ABOUT 3% TO 15% COBALT IN A FIRST HYDROGENATION ZONE AT A TEMPERATURE OF ABOUT 350 TO 550* F. AND UNDER A PRESSURE IN THE RANGE OF ABOUT 500 TO 3000 P. S. I. G., WITH A HYDROGENATION GAS CONTAINING AN AMOUNT OF CARBON MONOXIDE IN THE RANGE OF ABOUT .2 TO 3% AND SUFFICIENT TO INHIBIT HYDROGENATION OF OLEFINES AND CONVERSION OF ALCOHOLS TO HYDROCARBONS, FRAC-
Claim 2
Independent Claim
107 words
THE METHOD OF HYDROGENATING ALDEHYDES IN A LIQUID STREAM WHICH ALSO CONTAINS LOWER BOILING OLEFINS AND COBALT CATALYST, WHICH METHOD COMPRISES FIRST FREEING SAID STREAM FROM COBALT CATALYST, THEN HYDROGENATING SAID STREAM IN THE PRESENCE OF A COBALT-ON-PUMICE CATALYST CONTAINING ABOUT 3% TO 15% COBALT IN A FIRST HYDROGENATION ZONE AT A TEMPERATURE OF ABOUT 350 TO 550* F. AND UNDER A PRESSURE IN THE RANGE OF ABOUT 500 TO 3000 P. S. I. G., WITH A HYDROGENATION GAS CONTAINING AN AMOUNT OF CARBON MONOXIDE IN THE RANGE OF ABOUT .2 TO 3% AND SUFFICIENT TO INHIBIT HYDROGENATION OF OLEFINES AND CONVERSION OF ALCOHOLS TO HYDROCARBONS, FRAC-
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) | 1956-05-11 | 1956-11-10 | 1957-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-11 | 1960-11-10 | 1961-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-11 | 1964-11-10 | 1965-05-12 | $7700.00 | Window Closed / Lapsed |