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:
Sep. 03, 2013
Filed:
May. 07, 2009
Hye-kyung Timken, Albany, CA (US);
Saleh Elomari, Fairfield, CA (US);
Thomas V. Harris, Benicia, CA (US);
James N. Ziemer, Martinez, CA (US);
Hye-Kyung Timken, Albany, CA (US);
Saleh Elomari, Fairfield, CA (US);
Thomas V. Harris, Benicia, CA (US);
James N. Ziemer, Martinez, CA (US);
Chevron U.S.A. Inc., San Ramon, CA (US);
Abstract
A process for regenerating a spent ionic liquid catalyst including (a) applying a voltage across one or more pairs of electrodes immersed in a spent ionic liquid catalyst comprising conjunct polymer-metal halide complexes to provide freed conjunct polymers and a regenerated ionic liquid catalyst; and (b) separating the freed conjunct polymers from the regenerated ionic liquid catalyst is described. An alkylation process incorporating the regeneration process is also described.