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. 28, 2009
Filed:
Oct. 01, 2002
Ulrich Steinbrenner, Neustadt, DE;
Thomas Heidemann, Viernheim, DE;
Goetz-peter Schindler, Mannheim, DE;
Juergen Stephan, Mannheim, DE;
Heiko Maas, Mannheim, DE;
Ulrich Steinbrenner, Neustadt, DE;
Thomas Heidemann, Viernheim, DE;
Goetz-Peter Schindler, Mannheim, DE;
Juergen Stephan, Mannheim, DE;
Heiko Maas, Mannheim, DE;
BASF Aktiengesellschaft, Ludwigshafen, DE;
Abstract
The preparation of alkylaryl compounds takes place, inter alia, by a) preparation of a C-olefin mixture from LPG, LNG or MTO streams, b) reaction of the C-olefin mixture obtained in this way over a metathesis catalyst for the preparation of an olefin mixture comprising-pentene and/or-hexene, and optional removal of-pentene and/or-hexene, c) dimerization of the-pentane and/or-hexene obtained in stage b) over a dimerization catalyst to give a mixture comprising C-olefins, and optional removal of the C- olefins, d) reaction of the C-olefin mixtures obtained in stage a) with an aromatic hydrocarbon in the presence of an alkylation catalyst to form alkylaromatic compounds, it being possible to add additional linear olefins prior to the reaction.