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:
Jan. 25, 1983
Filed:
May. 29, 1981
Applicant:
Inventors:
Clifton S Goddin, Jr, Tulsa, OK (US);
Russell L McGalliard, Broken Arrow, OK (US);
Assignee:
Standard Oil Company (Indiana), Chicago, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
F25J / ;
U.S. Cl.
CPC ...
62 17 ; 55 68 ; 55 73 ; 62 20 ; 62 24 ; 62 28 ; 208189 ; 2082 / ;
Abstract
A cryogenic process for separating relatively pure fractions of methane and carbon dioxide from mixtures thereof which also contain other components. The process utilizes a lean oil as an absorbent which performs the additional functions of preventing the formation of solid carbon dioxide within the apparatus and preventing formation of an azeotrope of carbon dioxide with ethane and enhancing the separation of hydrogen sulfide from carbon dioxide.