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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.:

US 10252199 B1

PDFFull Text
Date of Patent:
Apr. 09, 2019

Filed:

Mar. 02, 2017

Method for retrovirus removal

Applicant:

Emd Millipore Corporation, Burlington, MA (US);

Inventors:

Onur Y. Kas, Burlington, MA (US);

Mikhail Kozlov, Burlington, MA (US);

Wilson Moya, Burlington, MA (US);

Sherry A. Leon, Burlington, MA (US);

Philip Goddard, Burlington, MA (US);

Jibin Hao, Burlington, MA (US);

Gabriel Tkacik, Burlington, MA (US);

Assignee:

EMD Millipore Corporation, Burlington, MA (US);

Attorney:

Foley Hoag LLP

Primary Examiner:

John Kim

Int. Cl.
CPC ...
B01D 39/16 (2006.01); B01D 39/18 (2006.01); B01D 39/14 (2006.01); A61L 2/02 (2006.01); C12N 7/00 (2006.01); D01D 1/02 (2006.01); D01D 5/00 (2006.01); D01F 6/96 (2006.01); B01D 69/02 (2006.01); B01D 69/10 (2006.01); B01D 39/04 (2006.01); B01D 39/00 (2006.01); B01D 67/00 (2006.01); B01D 61/14 (2006.01);
U.S. Cl.
CPC ...
B01D 39/1607 (2013.01); A61L 2/022 (2013.01); B01D 39/00 (2013.01); B01D 39/04 (2013.01); B01D 39/14 (2013.01); B01D 39/16 (2013.01); B01D 39/1615 (2013.01); B01D 39/1623 (2013.01); B01D 39/18 (2013.01); B01D 67/002 (2013.01); B01D 67/0004 (2013.01); B01D 69/02 (2013.01); B01D 69/10 (2013.01); C12N 7/00 (2013.01); D01D 1/02 (2013.01); D01D 5/0092 (2013.01); D01F 6/96 (2013.01); B01D 61/14 (2013.01); B01D 2239/025 (2013.01); B01D 2239/0208 (2013.01); B01D 2239/0216 (2013.01); B01D 2239/0442 (2013.01); B01D 2239/0631 (2013.01); B01D 2239/10 (2013.01); B01D 2239/1233 (2013.01); B01D 2323/39 (2013.01); B01D 2323/42 (2013.01); B01D 2325/20 (2013.01); C12N 2740/16051 (2013.01); D10B 2505/04 (2013.01);
Abstract

A method for removing retroviruses from liquid samples and a nanofiber containing liquid filtration medium that simultaneously exhibits high liquid permeability and high microorganism retention is disclosed. Retroviruses are removed from a liquid by passing the liquid through a porous nanofiber containing filtration medium having a retrovirus LRV greater than about 6, and the nanofiber(s) has a diameter from about 10 nm to about 100 nm. The filtration medium can be in the form of a fibrous electrospun polymeric nanofiber liquid filtration medium mat.

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