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:
Jul. 31, 2008
Sven Ivar Hommeltoft, Pleasant Hill, CA (US);
Stephen J. Miller, San Francisco, CA (US);
Ajit Pradhan, Walnut Creek, CA (US);
Susan M. Abernathy, Hercules, CA (US);
Sven Ivar Hommeltoft, Pleasant Hill, CA (US);
Stephen J. Miller, San Francisco, CA (US);
Ajit Pradhan, Walnut Creek, CA (US);
Susan M. Abernathy, Hercules, CA (US);
Chevron U.S.A. Inc., San Ramon, CA (US);
Abstract
A middle distillate, comprising hydrocarbons having a boiling range between 150° C. and 350° C., a NMR branching index greater than 60, and a CH/CHhydrogen ratio greater than 2.6. Also, there is provided the middle distillate made by a process compressing alkylating an isoparaffin with an olefin under alkylation conditions over an unsupported ionic liquid catalyst, and providing an amount of halide containing additive to the alkylating step to achieve the NMR branching index and the CH/CHhydrogen ratio.