Process and apparatus for the production of carbon monoxide and hydrogen
Patent 5295356 Issued on March 22, 1994. Estimated Expiration Date: 
September 8, 2012. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
September 8, 2012. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3872025 Cryogenic process for separating synthesis gas Process and apparatus for separation of a gaseous mixture Patent #: 4888035 InventorAssigneeApplicationNo. 942148 filed on 09/08/1992US Classes:62/623, External refrigeration circuit62/630, Plural columns62/920, CARBON MONOXIDE62/931RECOVERY OF HYDROGENExaminersPrimary: Capossela, Ronald C.Attorney, Agent or FirmForeign Patent References
International ClassF25J 003/00Foreign Application Priority Data1991-09-11 FRAbstractThe heating and/or the cooling of the three columns is ensured by a closed nitrogen cycle. Carbon monoxide is withdrawn in liquid form from the third column, then is brought through a pump at the pressure of utilization and is warmed under this pressure. | |
