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:
Jul. 08, 2003
Filed:
Jul. 02, 2001
Applicant:
Inventors:
William C. Baird, Jr., Baton Rouge, LA (US);
Darryl P. Klein, Ellicott City, MD (US);
Michele S. Touvelle, Baton Rouge, LA (US);
Jingguang G. Chen, Hockessin, DE (US);
Assignee:
ExxonMobil Research and Engineering Company, Annandale, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10G 3/5085 ; C07C 5/00 ; B01J 2/340 ; B01J 2/342 ; B01J 2/346 ;
U.S. Cl.
CPC ...
C10G 3/5085 ; C07C 5/00 ; B01J 2/340 ; B01J 2/342 ; B01J 2/346 ;
Abstract
Disclosed is a process for opening naphthenic rings of naphthenic ring-containing compounds, and catalysts which can be used in that process. The naphthene ring opening catalyst is a polymetallic catalyst comprising Group VIII metals. In a preferred embodiment the naphthene ring opening catalyst comprises Ir in combination with a Group VIII metal selected from at least one of Pt, Rh, and Ru, in an amount effective for opening a naphthene ring-containing compound at a tertiary carbon site.