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:
Jun. 07, 2011
Filed:
Apr. 13, 2010
Saleh Elomari, Fairfield, CA (US);
Thomas V. Harris, Benicia, CA (US);
Saleh Elomari, Fairfield, CA (US);
Thomas V. Harris, Benicia, CA (US);
Chevron U.S.A., San Ramon, CA (US);
Abstract
An ionic liquid catalyst, which has been regenerated by contacting a used ionic liquid catalyst with at least one regeneration metal in a regeneration zone in the presence of added hydrogen under regeneration conditions for a time sufficient to increase the activity of the ionic liquid catalyst. Also, an ionic liquid catalyst which has been regenerated by contacting a used ionic liquid catalyst with at least one regeneration metal in a regeneration zone in the presence of added hydrogen under regeneration conditions in the presence of an inert hydrocarbon in which conjunct polymers are soluble for a time sufficient to increase the activity of the ionic liquid catalyst.