US2587576A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Higher alcohols from aldehydes
Assignee: Standard Oil Co
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Filing: 1950-12-02
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Granted: 1952-03-04
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Expires: 1970-12-02
Abstract
No abstract record available.
Inventors
- 👤 Field Edmund
- 👤 Bernard L Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:29
CPC Classifications
C; C07; C07C; C07C29/00; C07C29/36; C07C29/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A PROCESS OF PREPARING, FROM NORMAL ALDEHYDES HAVING FROM TWO TO FOUR CARBON ATOMS PER MOLECULE, PRIMARY ALCOHOLS HAVING AT LEAST TWICE AS MANY CARBON ATOMS PER MOLECULE AS THE SOURCE ALDEHYDE, THE SAID PROCESS COMPRISING ADMIXING WITH A SAID ALDEHYDE, CARBON MONOXIDE AND HYDROGEN IN A MOL RATIO BETWEEN 2:1 AND 1:4 IN THE PRESENCE, AS CATALYST, OF AT LEAST ONE OF THE GROUP CONSISTING OF COBALT CARBONYLS AND HYDROCARBONYLS, MAINTAINING THE SAID ALDEHYDE AND GASES AT A TEMPERATURE BETWEEN 120* AND 200* C. AND UNDER A PRESSURE BETWEEN ABOUT 1,000 AND 10,000 POUNDS PER SQUARE INCH THUS EFFECTING A CONDENSATION-HYDROGENATION OF THE ALDEHYDE, SEPARATING CATALYST FROM PRODUCT OIL, AND FRACTIONATING THE PRODUCT TO OBTAIN A POLYMERIC PRIMARY-ALCOHOL DERIVATIVE HAVING AT LEAST TWICE AS MANY CARBON ATOMS PER MOLECULE AS THE EMPLOYED ALDEHYDE.
Claim 2
Dependent Claim
134 words
A PROCESS OF PREPARING, FROM NORMAL ALDEHYDES HAVING FROM TWO TO FOUR CARBON ATOMS PER MOLECULE, PRIMARY ALCOHOLS HAVING AT LEAST TWICE AS MANY CARBON ATOMS PER MOLECULE AS THE SOURCE ALDEHYDE, THE SAID PROCESS COMPRISING ADMIXING WITH A SAID ALDEHYDE, CARBON MONOXIDE AND HYDROGEN IN A MOL RATIO BETWEEN 2:1 AND 1:4 IN THE PRESENCE, AS CATALYST, OF AT LEAST ONE OF THE GROUP CONSISTING OF COBALT CARBONYLS AND HYDROCARBONYLS, MAINTAINING THE SAID ALDEHYDE AND GASES AT A TEMPERATURE BETWEEN 120* AND 200* C. AND UNDER A PRESSURE BETWEEN ABOUT 1,000 AND 10,000 POUNDS PER SQUARE INCH THUS EFFECTING A CONDENSATION-HYDROGENATION OF THE ALDEHYDE, SEPARATING CATALYST FROM PRODUCT OIL, AND FRACTIONATING THE PRODUCT TO OBTAIN A POLYMERIC PRIMARY-ALCOHOL DERIVATIVE HAVING AT LEAST TWICE AS MANY CARBON ATOMS PER MOLECULE AS THE EMPLOYED ALDEHYDE.
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) | 1955-03-04 | 1955-09-03 | 1956-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-04 | 1959-09-03 | 1960-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-04 | 1963-09-03 | 1964-03-04 | $7700.00 | Window Closed / Lapsed |