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:
May. 20, 2003
Filed:
Dec. 30, 1997
Applicant:
Inventors:
Joseph C. Gentry, Houston, TX (US);
Fu-Ming Lee, Katy, TX (US);
Assignee:
GTC Technology Inc., Houston, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
C10G 2/100 ; C10G 2/106 ;
U.S. Cl.
CPC ...
C10G 2/100 ; C10G 2/106 ;
Abstract
An improved process for the recovery of aromatic compounds from a mixture containing aromatic and non-aromatic compounds and method for retrofitting existing equipment for the same is provided. The improved process comprises the steps of recovering aromatic compounds via parallel operation of a hybrid extractive distillation/liquid-liquid extractor operation and variations thereof. Methods of quickly and economically retrofitting existing recovery process equipment for use with the improved aromatic recovery process are also disclosed.