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:
Oct. 29, 2019
Filed:
Jul. 22, 2014
Borealis Ag, Vienna, AT;
Eberhard Ernst, Weissenfels, DE;
Mariana Stoyanova, Berlin, DE;
Evgeny Kondratenko, Rostock, DE;
David Linke, Berlin, DE;
Borealis AG, Vienna, AT;
Abstract
A catalyst bed configuration, in particular for olefin conversion by metathesis, comprising at least one main catalyst bed comprising a) at least one first catalyst component comprising a metathesis catalyst, and b) at least one second catalyst component comprising a catalyst for double bond isomerization, whereby the first and second catalyst are intimate mixed with each other, and at least one catalyst pre-bed arranged upstream of the at least one main catalyst bed comprising at least one compound selected from the group of alkaline earth oxides. The mass ratio of the at least one catalyst pre-bed to the at least one main catalyst bed is between 1:2 and 2.5:1, preferably between 1:1.5 and 2.5:1, more preferably between 1:1 and 2.5:1, most preferably between 1:1 and 2:1.