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:
Nov. 11, 2008
Filed:
Jan. 27, 2005
Applicants:
Michael Brenner, Bingen, DE;
Kai Donsbach, Hargesheim, DE;
Thomas Nicola, Ingelheim, DE;
Thomas Wirth, Stadecken-Elsheim, DE;
Inventors:
Michael Brenner, Bingen, DE;
Kai Donsbach, Hargesheim, DE;
Thomas Nicola, Ingelheim, DE;
Thomas Wirth, Stadecken-Elsheim, DE;
Assignee:
Boehringer Ingelheim International GmbH, Ingelheim, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07F 15/00 (2006.01); B01D 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process of diminishing the concentration of a transition metal complex from a first solution by adding a solubility-enhancing compound that enhances the solubility of said complex in a second solution and extracting the first solution with the second solution. The solubility-enhancing compound is a compound of formula A wherein,