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:
Dec. 03, 2024
Filed:
Apr. 13, 2017
Applicant:
Boehringer Ingelheim International Gmbh, Ingelheim am Rhein, DE;
Inventors:
Jonathan Coffman, Union City, CA (US);
Scott Godfrey, Pleasanton, CA (US);
Samantha Wang, San Francisco, CA (US);
Assignee:
Boehringer Ingelheim International GmbH, Ingelheim am Rhein, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12M 3/00 (2006.01); B01L 3/00 (2006.01); C12M 1/00 (2006.01);
U.S. Cl.
CPC ...
C12M 29/10 (2013.01); C12M 29/16 (2013.01); C12M 47/02 (2013.01);
Abstract
The subject technology relates to a cell retention device and method for use in a perfusion cell culture system where the cell retention device includes a hollow-fiber filter having an average pore size ranging from about 0.5 to about 20 μm and having the ability to operate under perfusion cell culture conditions for up to 35 days without being clogged or losing its product sieving ability by more than 20%.