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US2621202A Expired / Lapsed US ⏱️ 0.0 years remaining

Production of alcohols

Assignee: Individual
•
Filing: 1949-08-01
•
Granted: 1952-12-09
•
Expires: 1969-08-01
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Abstract

No abstract record available.

Inventors

  • 👤 Peukert Ernst
  • 👤 Hilberath Friedrich

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 16:58
CPC Classifications
C; C07; C07C; C07C31/00; C07C31/02; C07C31/04

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 191 words
IN A PROCESS FOR THE SYNTHESIS OF ALCOHOLS FROM A SYNTHESIS GAS CONTAINING CARBON MONOXIDE AND HYDROGEN EMPLOYING TOTAL PRESSURES OF BETWEEN 100 AND 600 ATMOSPHERES WHICH INCLUDES HEATING THE SYNTHESIS GAS TO REACTION TEMPERATURES ABOVE 250* C., PASSING SUCH HEATED GAS THROUGH A REACTION ZONE CONTAINING A CATALYST, COOLING THE GAS AFTER LEAVING THE REACTION ZONE, REHEATING AT LEAST A PORTION OF THE COOLED GAS TO ABOVE 250* C AND RECYCLING THE HEATED GAS THROUGH THE REACTION ZONE. THE STEPS WHICH COMPRISE MAINTAINING SUCH GAS IN CONTACT WITH A FERROUS METAL NON-RESISTANT TO CARBON MONOXIDE DURING SUCH PROCESS, MAINTAINING A PARTIAL PRESSURE OF THE CARBON MONOXIDE IN THE GAS FROM THE TIME IT LEAVES THE REACTION ZONE TO THE TIME IT IS HEATED AND RECYCLED TO THE REACTION ZONE OF UP TO 20 ATMOSPHERES AND INTRODUCING A FRESH GAS RICHER IN CARBON MONOXIDE THAN THE RECYCLED GAS AT A TEMPERATURE BELOW 100* C. INTO THE REACTION ZONE IN AN AMOUNT SUFFICIENT TO INCREASE THE PARTIAL PRESSURE OF THE CARBON MONOXIDE IN THE SYNTHESIS GAS AT THE POINT THE FRESH GAS IS INTRODUCED INTO THE REACTION ZONE TO ABOVE 20 ATMOSPHERES.
Claim 2
Dependent Claim 191 words
IN A PROCESS FOR THE SYNTHESIS OF ALCOHOLS FROM A SYNTHESIS GAS CONTAINING CARBON MONOXIDE AND HYDROGEN EMPLOYING TOTAL PRESSURES OF BETWEEN 100 AND 600 ATMOSPHERES WHICH INCLUDES HEATING THE SYNTHESIS GAS TO REACTION TEMPERATURES ABOVE 250* C., PASSING SUCH HEATED GAS THROUGH A REACTION ZONE CONTAINING A CATALYST, COOLING THE GAS AFTER LEAVING THE REACTION ZONE, REHEATING AT LEAST A PORTION OF THE COOLED GAS TO ABOVE 250* C AND RECYCLING THE HEATED GAS THROUGH THE REACTION ZONE. THE STEPS WHICH COMPRISE MAINTAINING SUCH GAS IN CONTACT WITH A FERROUS METAL NON-RESISTANT TO CARBON MONOXIDE DURING SUCH PROCESS, MAINTAINING A PARTIAL PRESSURE OF THE CARBON MONOXIDE IN THE GAS FROM THE TIME IT LEAVES THE REACTION ZONE TO THE TIME IT IS HEATED AND RECYCLED TO THE REACTION ZONE OF UP TO 20 ATMOSPHERES AND INTRODUCING A FRESH GAS RICHER IN CARBON MONOXIDE THAN THE RECYCLED GAS AT A TEMPERATURE BELOW 100* C. INTO THE REACTION ZONE IN AN AMOUNT SUFFICIENT TO INCREASE THE PARTIAL PRESSURE OF THE CARBON MONOXIDE IN THE SYNTHESIS GAS AT THE POINT THE FRESH GAS IS INTRODUCED INTO THE REACTION ZONE TO ABOVE 20 ATMOSPHERES.

References Cited (Backward Citations)

GB247217A Cited
US2279052A Cited
US2414276A Cited
US2411760A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-12-09 1956-06-09 1956-12-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-12-09 1960-06-09 1960-12-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-12-09 1964-06-09 1964-12-09 $7700.00 Window Closed / Lapsed

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