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. 27, 2007
Filed:
Nov. 18, 2004
Applicants:
Michael Brenner, Bingen, DE;
Siegfried Meineck, Ingelheim, DE;
Thomas Wirth, Stadecken-Elsheim, DE;
Inventors:
Assignee:
Boehringer Ingelheim International GmbH, Ingelheim, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07K 5/12 (2006.01); C07D 487/14 (2006.01); C07F 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for diminishing the concentration of a metal complex from a solution containing said complex by the addition of an optionally fused and/or optionally substituted heterocyclic compound. The added compound is a solubility-enhancing compound that enhances the solubility of said complex in a second solution. Thereafter the solution containing said complex can be extracted with the second solution.