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. 23, 2021
Filed:
Feb. 20, 2017
Applicant:
Merck Patent Gmbh, Darmstadt, DE;
Inventors:
Assignee:
MERCK PATENT GMBH, Darmstadt, DE;
Primary Examiner:
Int. Cl.
CPC ...
C12N 5/00 (2006.01); C12N 5/02 (2006.01); C08G 65/30 (2006.01); B01J 20/20 (2006.01); B01J 20/28 (2006.01); A61K 48/00 (2006.01);
U.S. Cl.
CPC ...
C08G 65/30 (2013.01); B01J 20/20 (2013.01); B01J 20/28004 (2013.01); B01J 20/28016 (2013.01); C12N 5/0018 (2013.01); C08G 2650/58 (2013.01); C12N 2500/50 (2013.01);
Abstract
The present invention relates to the purification of poloxamers to be used as cell culture media additives. Activated carbon can be used to remove hydrophobic high molecular weight components which reduce the efficacy of poloxamers as cell culture additives.