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:
Jan. 27, 2004
Filed:
Jun. 13, 2001
Applicant:
Inventors:
Robert J. Gartside, Summit, NJ (US);
Marvin I. Greene, Wayne, NJ (US);
Ali M. Khonsari, Bloomfield, NJ (US);
Lawrence L. Murrell, South Plainfield, NJ (US);
Assignee:
ABB Lummus Global Inc., Bloomfield, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 2/108 ; B01J 2/112 ; B01J 2/114 ;
U.S. Cl.
CPC ...
B01J 2/108 ; B01J 2/112 ; B01J 2/114 ;
Abstract
An olefin metathesis catalyst consists essentially of a transition metal or oxide thereof supported on a high purity silica support possessing low amounts of acidic or basic sites such that in the reaction of pure butene-1 over said catalyst under metathesis reaction conditions the reaction possesses a weight selectivity to hexene-3 of at least 55 wt %.