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. 20, 2010
Filed:
Jun. 23, 2004
Michael Francis Mcdonald, Kingwood, TX (US);
Ralph Howard Schatz, Dillon, CO (US);
Claude André Gautier, Bois-Guillaume, FR;
Richard Dwight Hembree, Zachary, LA (US);
Michael Francis McDonald, Kingwood, TX (US);
Ralph Howard Schatz, Dillon, CO (US);
Claude André Gautier, Bois-Guillaume, FR;
Richard Dwight Hembree, Zachary, LA (US);
ExxonMobil Chemical Patents Inc., Houston, TX (US);
Abstract
The invention relates to methods for separating mixture components such as reactor effluent components. In particular, the invention relates to the use of an extractive agent such as a hydrocarbon in an extractive distillation process to separate monomers such as a C-Cisoolefins such as isobutylene from mixtures such as reactor effluents including one or more hydrofluorocarbon(s) (HFC).