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:
Jun. 04, 2013
Filed:
May. 15, 2009
Applicants:
William-robert Pitner, Frankfurt, DE;
Michael Schulte, Bischofsheim, DE;
Andrzej Górak, Witten, PL;
Francesca Santangelo, Dortmund, IT;
Annebart Engberg Wentink, Mannheim, NL;
Inventors:
William-Robert Pitner, Frankfurt, DE;
Michael Schulte, Bischofsheim, DE;
Andrzej Górak, Witten, PL;
Francesca Santangelo, Dortmund, IT;
Annebart Engberg Wentink, Mannheim, NL;
Assignee:
Merck Patent GmbH, Darmstadt, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07C 29/86 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a method for the liquid-liquid extraction of alcohols from aqueous solutions using at least one ionic liquid containing a tetra-cyanoborate anion as solvent.