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:
May. 05, 2015
Filed:
Aug. 27, 2012
Applicants:
Reinhold Brink, Haltern, DE;
Lutz Heuer, Dormagen, DE;
Sven Kuhlmann, Cologne, DE;
Martin Mechelhoff, Cologne, DE;
Oliver Pfohl, Hamburg, DE;
Inventors:
Reinhold Brink, Haltern, DE;
Lutz Heuer, Dormagen, DE;
Sven Kuhlmann, Cologne, DE;
Martin Mechelhoff, Cologne, DE;
Oliver Pfohl, Hamburg, DE;
Assignee:
LANXESS Deutschland GmbH, Cologne, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 29/84 (2006.01); C07C 35/12 (2006.01);
U.S. Cl.
CPC ...
C07C 29/84 (2013.01); C07C 2101/14 (2013.01);
Abstract
The invention relates to a process for rectificative separation of compositions of matter containing diastereomers of 2-isopropyl-5-methylcyclohexanol by using ionic liquids as extractants.