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:
Dec. 04, 2007
Filed:
Jan. 17, 2003
Applicants:
Dirk Roettger, Recklinghausen, DE;
Franz Nierlich, Marl, DE;
Joerg Krissmann, Mainschaff, DE;
Peter Wasserscheid, Cologne, DE;
Wilhelm Keim, Aachen, DE;
Inventors:
Dirk Roettger, Recklinghausen, DE;
Franz Nierlich, Marl, DE;
Joerg Krissmann, Mainschaff, DE;
Peter Wasserscheid, Cologne, DE;
Wilhelm Keim, Aachen, DE;
Assignee:
OXENO Olefinchemie GmbH, Duesseldorf, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 7/10 (2006.01); C07C 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a process for the liquid-liquid extraction or liquid-gas extraction of mixtures of organic compounds, in which one or more components of the mixture are completely or partly extracted by means of a phase comprising at least one ionic liquid.