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:
May. 24, 2016
Filed:
Dec. 28, 2012
Applicants:
Shell Oil Company, Houston, TX (US);
China University of Petroleum, Beijing, CN;
Inventors:
Rui Zhang, Beijing, CN;
Zhichang Liu, Beijing, CN;
Chunming Xu, Beijing, CN;
Xianghai Meng, Beijing, CN;
Peter Anton August Klusener, Amsterdam, NL;
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 38/64 (2006.01); B01J 31/40 (2006.01); B01J 31/02 (2006.01); B01J 38/66 (2006.01);
U.S. Cl.
CPC ...
B01J 31/4069 (2013.01); B01J 31/0279 (2013.01); B01J 38/66 (2013.01); B01J 2231/44 (2013.01);
Abstract
The present invention relates to a regeneration process for producing a regenerated ionic liquid catalyst from solids formed in an ionic liquid alkylation process wherein a first ionic liquid is used as a catalyst which is a composite ionic liquid comprising ammonium cations, and anions being composite coordinate anions derived from two or more metal salts, the regeneration process comprising