US2614070A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat treating and distillation of oxo alcohols
Assignee: Standard Oil Development Co
•
Filing: 1949-11-16
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Granted: 1952-10-14
•
Expires: 1969-11-16
Abstract
No abstract record available.
Inventors
- 👤 Warren M Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:35
CPC Classifications
C; C07; C07C; C07C29/00; C07C29/74
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
AN IMPROVED CONTINUOUS DISTILLATION PROCESS FOR THE PURIFICATION OF A MIXTURE OF CRUDE WATERIMMISCIBLE C4 TO C15 ALCOHOLS CONTAINING HIGH BOILING THERMALLY UNSTABLE IMPURITIES INCLUDING ACETALS, ESTERS, HEMI-ACETALS, AND ETHERS, AND OBTAINED BY THE CATALYTIC REACTION OF OLEFINS WITH CARBON MONOXIDE AND HYDROGEN AND SUBSEQUENT HYDROGENATION OF THE ALDEHYDES RESULTING THEREFROM, WHICH COMPRISES INTRODUCING SAID MIXTURE OF CRUDE ALCOHOLS INTO AN INITIAL DISTILLATION STAGE MAINTAINED AT SUPERATMOSPHERIC PRESSURE AND AT TEMPERATURES SUBSTANTIALLY ABOVE THE NORMAL BOILING POINT OF THE ALCOHOL, HEAT TREATING THEREIN THE
Claim 2
Dependent Claim
84 words
AN IMPROVED CONTINUOUS DISTILLATION PROCESS FOR THE PURIFICATION OF A MIXTURE OF CRUDE WATERIMMISCIBLE C4 TO C15 ALCOHOLS CONTAINING HIGH BOILING THERMALLY UNSTABLE IMPURITIES INCLUDING ACETALS, ESTERS, HEMI-ACETALS, AND ETHERS, AND OBTAINED BY THE CATALYTIC REACTION OF OLEFINS WITH CARBON MONOXIDE AND HYDROGEN AND SUBSEQUENT HYDROGENATION OF THE ALDEHYDES RESULTING THEREFROM, WHICH COMPRISES INTRODUCING SAID MIXTURE OF CRUDE ALCOHOLS INTO AN INITIAL DISTILLATION STAGE MAINTAINED AT SUPERATMOSPHERIC PRESSURE AND AT TEMPERATURES SUBSTANTIALLY ABOVE THE NORMAL BOILING POINT OF THE ALCOHOL, HEAT TREATING THEREIN THE
References Cited (Backward Citations)
US2151461A
Cited
US2417886A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-14 | 1956-04-14 | 1956-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-14 | 1960-04-14 | 1960-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-14 | 1964-04-14 | 1964-10-14 | $7700.00 | Window Closed / Lapsed |