US2658083A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Selective hydrogenation of oxoprocess aldehydes
Assignee: Standard Oil Co
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Filing: 1951-04-26
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Granted: 1953-11-03
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Expires: 1971-04-26
Abstract
No abstract record available.
Inventors
- 👤 Donald E Burney
- 👤 William J Cerveny
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:35
CPC Classifications
C; C07; C07C; C07C29/00; C07C29/16; C07C29/132; C07C29/136; C07C29/14; C07C29/141
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
IN A PROCESS FOR SELECTIVELY HYDROGENATING ALDEHYDES IN A MIXTURE CONTAINING ALDEHYDES AND OLEFINS OBTAINED BY SUBJECTING A SECONDARY OLEFIN-TERTIARY OLEFIN COPOLYMER TO REACTION WITH CARBON MONOXIDE AND HYDROGEN, THE STEP WHICH COMPRISES CONTACTING SAID MIXTURE WITH HYDROGEN AT A TEMPERATURE BETWEEN 150 AND 700* F. AN ELEVATED PRESSURE ABOVE ABOUT 500 POUNDS PER SQUARE INCH, AND A LIQUID SPACE VELOCITY BETWEEN ABOUT 0.1 AND 5.0 VOLUMES OF CHARGING STOCK PER VOLUME OF REACTION ZONE PER HOUR IN THE PRESENCE OF A COBALT CATALYST.
Claim 2
Dependent Claim
84 words
IN A PROCESS FOR SELECTIVELY HYDROGENATING ALDEHYDES IN A MIXTURE CONTAINING ALDEHYDES AND OLEFINS OBTAINED BY SUBJECTING A SECONDARY OLEFIN-TERTIARY OLEFIN COPOLYMER TO REACTION WITH CARBON MONOXIDE AND HYDROGEN, THE STEP WHICH COMPRISES CONTACTING SAID MIXTURE WITH HYDROGEN AT A TEMPERATURE BETWEEN 150 AND 700* F. AN ELEVATED PRESSURE ABOVE ABOUT 500 POUNDS PER SQUARE INCH, AND A LIQUID SPACE VELOCITY BETWEEN ABOUT 0.1 AND 5.0 VOLUMES OF CHARGING STOCK PER VOLUME OF REACTION ZONE PER HOUR IN THE PRESENCE OF A COBALT CATALYST.
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) | 1956-11-02 | 1957-05-04 | 1957-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-02 | 1961-05-04 | 1961-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-02 | 1965-05-04 | 1965-11-03 | $7700.00 | Window Closed / Lapsed |