US2650246A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of acetic acid from methanol
Assignee: Acordis UK Ltd
•
Filing: 1950-10-04
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Granted: 1953-08-25
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Expires: 1970-10-04
Abstract
No abstract record available.
Inventors
- 👤 Thomas Edward Boaden
- 👤 Alcock Edmund Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:42
CPC Classifications
C; C07; C07C; C07C51/00; C07C51/10; C07C51/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A CONTINUOUS PROCESS FOR THE PRODUCTION OF ACETIC ACID, WHICH COMPRISES INTRODUCING CARBON MONOXIDE AND METHANOL INTO A REACTION ZONE IN WHICH THEY REACT UNDER A PRESSURE OF LESS THAN 50 ATMOSPHERES AND AT A TEMPERATURE BELOW 250* C. AND WHICH IS SUFFICIENTLY ELEVATED TO PREVENT CONDENSATION OF ACETIC ACID PRODUCED, THE REACTION BEING CARRIED OUT UNDER THE JOINT CATALYTIC INFLUENCE OF NICKEL AND IODINE IN A REACTION ZONE CONTAINING ACTIVE CARBON IMPREGNATED WITH NICKEL IODIDE, AND WITHDRAWING THE PRODUCTS OF THE REACTION, IODINE LOST FROM THE ACTIVE CARBON BEING REPLACED BY A SUITABLE SUPPLY DURING THE PROCESS.
Claim 2
Dependent Claim
98 words
A CONTINUOUS PROCESS FOR THE PRODUCTION OF ACETIC ACID, WHICH COMPRISES INTRODUCING CARBON MONOXIDE AND METHANOL INTO A REACTION ZONE IN WHICH THEY REACT UNDER A PRESSURE OF LESS THAN 50 ATMOSPHERES AND AT A TEMPERATURE BELOW 250* C. AND WHICH IS SUFFICIENTLY ELEVATED TO PREVENT CONDENSATION OF ACETIC ACID PRODUCED, THE REACTION BEING CARRIED OUT UNDER THE JOINT CATALYTIC INFLUENCE OF NICKEL AND IODINE IN A REACTION ZONE CONTAINING ACTIVE CARBON IMPREGNATED WITH NICKEL IODIDE, AND WITHDRAWING THE PRODUCTS OF THE REACTION, IODINE LOST FROM THE ACTIVE CARBON BEING REPLACED BY A SUITABLE SUPPLY DURING THE PROCESS.
References Cited (Backward Citations)
US1979450A
Cited
US2158031A
Cited
US2448375A
Cited
US2448368A
Cited
US2457204A
Cited
US2462738A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-24 | 1957-02-23 | 1957-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-24 | 1961-02-23 | 1961-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-24 | 1965-02-23 | 1965-08-25 | $7700.00 | Window Closed / Lapsed |