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:
Apr. 14, 2015
Filed:
Sep. 29, 2010
Applicants:
Torben Koch, Copenhagen, DK;
Carsten Overblle Petersen, Hvidovre, DK;
Inventors:
Torben Koch, Copenhagen, DK;
Carsten Overblle Petersen, Hvidovre, DK;
Assignee:
Xellia Pharmaceuticals APS, , DK;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 1/00 (2006.01); G01N 1/18 (2006.01); G01N 30/02 (2006.01); B01D 11/00 (2006.01); C07K 7/62 (2006.01);
U.S. Cl.
CPC ...
C07K 7/62 (2013.01);
Abstract
The present invention concerns a method of purifying colistin using reverse phase chromatography, wherein loading a column with colistin base in acetic acid and high ethanol concentration and eluting with low ethanol concentration is performed.