US2607807A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of alcohols from carboxylic acids
Assignee: EIDP Inc
•
Filing: 1950-02-24
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Granted: 1952-08-19
•
Expires: 1970-02-24
Abstract
No abstract record available.
Inventors
- 👤 Thomas A Ford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:16
CPC Classifications
C; C07; C07C; C07C29/00; C07C29/132; C07C29/136; C07C29/147; C07C29/149
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A PROCESS FOR THE PREPARATION OF AN ALIPHATIC ALCOLHOL WHICH COMPRISES REACTING HYDROGEN WITH AN UNSUBSTITUTED ALIPHATIC CARBOXYLIC ACID, IN THE LIQUID PHASE UNDER A PRESSURE OF AT LEAST 200 ATMOSPHERES AT A TEMPERATURE WITHIN THE RANGE OF 90 TO 300* C. AND IN CONTACT WITH A RUTHENIUMCONTAINING HYDROGENATION CATALYST, SAID HYDROGEN BEING THE SOLE COMPONENT OF THE INITIAL REACTION MIXTURE CAPABLE OF REACTING WITH SAID CARBOXYLIC ACID AND SEPARATING AN ALIPHATIC ALCOHOL FROM THE REACTION MIXTURE.
Claim 2
Dependent Claim
77 words
A PROCESS FOR THE PREPARATION OF AN ALIPHATIC ALCOLHOL WHICH COMPRISES REACTING HYDROGEN WITH AN UNSUBSTITUTED ALIPHATIC CARBOXYLIC ACID, IN THE LIQUID PHASE UNDER A PRESSURE OF AT LEAST 200 ATMOSPHERES AT A TEMPERATURE WITHIN THE RANGE OF 90 TO 300* C. AND IN CONTACT WITH A RUTHENIUMCONTAINING HYDROGENATION CATALYST, SAID HYDROGEN BEING THE SOLE COMPONENT OF THE INITIAL REACTION MIXTURE CAPABLE OF REACTING WITH SAID CARBOXYLIC ACID AND SEPARATING AN ALIPHATIC ALCOHOL FROM THE REACTION MIXTURE.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-19 | 1956-02-18 | 1956-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-19 | 1960-02-18 | 1960-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-19 | 1964-02-18 | 1964-08-19 | $7700.00 | Window Closed / Lapsed |