The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 16, 1986
Filed:
Jun. 20, 1985
Applicant:
Inventor:
Henry Z Kister, Huntington Beach, CA (US);
Assignee:
C F Braun & Co., Alhambra, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25J / ;
U.S. Cl.
CPC ...
62 29 ; 62 31 ; 62 33 ; 62 34 ; 62 39 ;
Abstract
A process for separating hydrogen and methane from a gas mixture containing hydrocarbons heavier than methane in which the gas mixture is passed through a plurality of chilling stages, a bottoms portion from at least one of the chilling stages being passed to a hydrogen stripper before being introduced to a fractionating column, the hydrogen stripper overheads portion being passed back into the chilling train from which a final hydrogen rich stream containing in excess of ninety mole percent hydrogen is separated at a temperature lower than -140.degree. C.