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:
Feb. 05, 2013
Filed:
Feb. 10, 2011
Andreas Lanver, Mannheim, DE;
Klaus Ebel, Lampertheim, DE;
Karl Beck, Östringen, DE;
Ralf Pelzer, Fürstenberg, DE;
Jörg Botzem, Limburgerhof, DE;
Ulrich Griesbach, Mannheim, DE;
Andreas Lanver, Mannheim, DE;
Klaus Ebel, Lampertheim, DE;
Karl Beck, Östringen, DE;
Ralf Pelzer, Fürstenberg, DE;
Jörg Botzem, Limburgerhof, DE;
Ulrich Griesbach, Mannheim, DE;
BASF SE, Ludwigshafen, DE;
Abstract
The invention relates to a process for the preparation of m-substituted alkyltoluenes of the formula (I) in which Ris C-C-alkyl, wherein a p-substituted alkyltoluene of the formula (II) in which Rhas the meaning given under formula (I), is isomerized in the presence of ionic liquids to give an m-substituted alkyltoluene of the formula (I). The m-substituted alkyltoluenes obtainable according to the invention are starting compounds for the preparation of fragrances and aroma substances.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile