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:
Oct. 07, 1997
Filed:
Mar. 06, 1996
Applicant:
Inventor:
David B Manley, Rolla, MO (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25J / ;
U.S. Cl.
CPC ...
62630 ; 62631 ;
Abstract
The present invention is a set of improvements in deethanizing and depropanizing fractionation steps in NGL processing. The several embodiments of the present invention apply component distribution to multiple columns, interreboiling, intercondensing, thermal coupling and 'thermo-mechanical' coupling to the commonly practiced deethanizer/depropanizer fractionation sequence of NGL processing.