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:
Mar. 15, 2016
Filed:
Jan. 21, 2011
Applicants:
Christian Eckermann, Biberach an der Riss, DE;
Dorothee Ambrosius, Laupheim, DE;
Franz Nothelfer, Biberach an der Riss, DE;
Thomas Rathjen, Biberach an der Riss, DE;
Inventors:
Christian Eckermann, Biberach an der Riss, DE;
Dorothee Ambrosius, Laupheim, DE;
Franz Nothelfer, Biberach an der Riss, DE;
Thomas Rathjen, Biberach an der Riss, DE;
Assignee:
Boehringer Ingelheim International GmbH, Ingelheim am Rhein, DE;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07K 1/00 (2006.01); C07K 1/22 (2006.01); A61K 39/395 (2006.01); C07K 16/00 (2006.01);
U.S. Cl.
CPC ...
C07K 1/22 (2013.01); A61K 39/39591 (2013.01); C07K 16/00 (2013.01); C07K 2317/14 (2013.01);
Abstract
The present invention relates to methods of depleting impurities, in particular host cell proteins (HCP) and DNA from cell culture supernatants by means of protein A chromatography using a novel washing buffer.