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:
Oct. 15, 2024
Filed:
Jun. 04, 2019
Applicant:
Sartorius Stedim Biotech Gmbh, Göttingen, DE;
Inventors:
Assignee:
Sartorius Stedim Biotech GmbH, Göttingen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 69/02 (2006.01); B01D 61/14 (2006.01); B01D 65/10 (2006.01); B01D 67/00 (2006.01); B01D 69/14 (2006.01); G01N 15/08 (2006.01); G01N 23/2251 (2018.01);
U.S. Cl.
CPC ...
B01D 69/02 (2013.01); B01D 61/147 (2013.01); B01D 65/10 (2013.01); B01D 67/0013 (2013.01); G01N 15/088 (2013.01); G01N 23/2251 (2013.01); B01D 2325/022 (2013.01); B01D 2325/04 (2013.01); G01N 2223/07 (2013.01); G01N 2223/401 (2013.01); G01N 2223/418 (2013.01); G01N 2223/507 (2013.01);
Abstract
The present invention relates to a serial arrangement comprising n plies of asymmetric filter media, wherein n is at least two and the pore size of the n plies substantially continuously decreases in the thickness direction of the serial arrangement, to a production method for the serial arrangement, to a filtration unit comprising the serial arrangement, to the use of the serial arrangement, and to a method for characterizing the pores of a filter medium.