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. 22, 2014
Filed:
Dec. 13, 2010
Applicants:
Martin Völkert, Ludwigshafen, DE;
Burkhard Ernst, Speyer, DE;
Wolfgang Siegel, Limburgerhof, DE;
Inventors:
Assignee:
BASF SE, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 209/84 (2006.01);
U.S. Cl.
CPC ...
Abstract
Method for purifying compounds (I) containing amino groups from a polar phase A, where