Patent US2812356A successfully refreshed from Google Patents.
US2812356A
Expired / Lapsed
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Organic acid-promoted cobalt oxide oxo catalyst system
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1955-02-23
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Granted: 1957-11-05
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Expires: 1975-02-23
Abstract
No abstract record available.
Inventors
- 👤 Aldridge Clyde Lee
- 👤 Fasce Egi Victor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:45
CPC Classifications
C; C07; C07C; C07C27/00; C07C27/20; C07C27/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
IN THE PROCESS WHEREIN OLEFINIC COMPOUNDS ARE REACTED WITH H2, CO AND A COBALT CATALYST AT ELEVATED TEMPERATURE AND PRESSURES IN A REACTION ZONE TO PRODUCE AN ALDEHYDE PRODUCT, THE IMPROVEMENT WHICH COMPRISES EMPLOYING AS A CATALYST IN SAID PROCESS AN OXIDE OF COBALT PROMOTED WITH AN ORGANIC ACID HAVING AT LEAST TWO CARBON ATOMS, SAID ORGANIC ACID BEING PRESENT IN AN AMOUNT SUFFICIENT TO SUBSTANTIALLY INCREASE THE REACTION RATE.
Claim 2
Dependent Claim
70 words
IN THE PROCESS WHEREIN OLEFINIC COMPOUNDS ARE REACTED WITH H2, CO AND A COBALT CATALYST AT ELEVATED TEMPERATURE AND PRESSURES IN A REACTION ZONE TO PRODUCE AN ALDEHYDE PRODUCT, THE IMPROVEMENT WHICH COMPRISES EMPLOYING AS A CATALYST IN SAID PROCESS AN OXIDE OF COBALT PROMOTED WITH AN ORGANIC ACID HAVING AT LEAST TWO CARBON ATOMS, SAID ORGANIC ACID BEING PRESENT IN AN AMOUNT SUFFICIENT TO SUBSTANTIALLY INCREASE THE REACTION RATE.
References Cited (Backward Citations)
US2402133A
Cited
US2564130A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-04 | 1961-05-06 | 1961-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-04 | 1965-05-06 | 1965-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-04 | 1969-05-06 | 1969-11-05 | $7700.00 | Window Closed / Lapsed |