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:
Mar. 09, 2010
Filed:
Apr. 21, 2006
Saleh Elomari, Fairfield, CA (US);
Thomas V. Harris, Benicia, CA (US);
Hye Kyung C. Timken, Albany, CA (US);
Steven E. Trumbull, San Leandro, CA (US);
Saleh Elomari, Fairfield, CA (US);
Thomas V. Harris, Benicia, CA (US);
Hye Kyung C. Timken, Albany, CA (US);
Steven E. Trumbull, San Leandro, CA (US);
Chevron U.S.A. Inc., San Ramon, CA (US);
Abstract
A process for regenerating a used acidic ionic liquid catalyst comprising contacting the used ionic liquid catalyst with at least one metal in a regeneration zone in the absence of added hydrogen under regeneration conditions for a time sufficient to increase the activity of the ionic liquid catalyst is described. In one embodiment, regeneration is conducted in the presence of a hydrocarbon solvent.