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:
Apr. 29, 2003
Filed:
Nov. 10, 1999
Applicant:
Inventors:
Artie S. McKim, Mandeville, LA (US);
George Kvakovszky, Slidell, LA (US);
Michael D. Donahue, The Woodlands, TX (US);
Assignee:
Gaylord Chemical Corporation, Slidell, LA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 7/10 ; C07C 7/00 ;
U.S. Cl.
CPC ...
C07C 7/10 ; C07C 7/00 ;
Abstract
The invention relates to methods for enhanced extractive distillation of hydrocarbons that employ extrative distillation compositions comprising sulfolane or sulfolane derivatives in comination with compatibility agents.