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. 06, 2024
Filed:
Oct. 22, 2019
Applicant:
Hoffmann-la Roche Inc., Little Falls, NJ (US);
Inventors:
Roberto Falkenstein, Munich, DE;
Klaus Schwendner, Weilheim, DE;
Assignee:
Hoffmann-La Roche Inc., Little Falls, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07K 16/06 (2006.01); C07K 16/28 (2006.01); C07K 16/32 (2006.01); C07K 1/16 (2006.01); C07K 1/34 (2006.01); C07K 1/36 (2006.01);
U.S. Cl.
CPC ...
C07K 16/065 (2013.01); C07K 16/2866 (2013.01); C07K 16/32 (2013.01);
Abstract
Herein is reported a method for the final filtration of concentrated polypeptide solutions comprising the combination of two immediately consecutive filtration steps with a first filter of 3.0 μm and 0.8 μm pore size and a second filter of 0.45 μm and 0.22 μm pore size.