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. 21, 2025
Filed:
Nov. 18, 2020
Applicant:
Emd Millipore Corporation, Burlington, MA (US);
Inventors:
Jijun Ge, Burlington, MA (US);
Xiaozhu Zhou, Burlington, MA (US);
Assignee:
EMD Millipore Corporation, Burlington, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 61/14 (2006.01); B01D 61/18 (2006.01); B01D 63/06 (2006.01); B01D 67/00 (2006.01); B01D 69/02 (2006.01); B01D 71/28 (2006.01); B01D 71/58 (2006.01); B01D 71/68 (2006.01); B01D 71/82 (2006.01);
U.S. Cl.
CPC ...
B01D 61/147 (2013.01); B01D 61/18 (2013.01); B01D 63/067 (2013.01); B01D 67/0009 (2013.01); B01D 67/00091 (2022.08); B01D 67/0011 (2013.01); B01D 67/0013 (2013.01); B01D 67/0088 (2013.01); B01D 69/02 (2013.01); B01D 71/281 (2022.08); B01D 71/283 (2022.08); B01D 71/58 (2013.01); B01D 71/68 (2013.01); B01D 71/82 (2013.01); B01D 2323/02 (2013.01); B01D 2323/06 (2013.01); B01D 2323/08 (2013.01); B01D 2323/30 (2013.01); B01D 2323/34 (2013.01); B01D 2323/60 (2022.08); B01D 2325/022 (2013.01); B01D 2325/02831 (2022.08); B01D 2325/04 (2013.01); B01D 2325/24 (2013.01); B01D 2325/36 (2013.01);
Abstract
The present application relates to a multizone, unsupported, microporous, high throughput membrane. The membrane includes a first microporous zone, a second microporous zone, and a third microporous zone, where the third microporous zone is positioned between the first and second microporous zones, with the first, second, and third microporous zones being integral with one another. Further aspects of the present application include a process for making the membrane and a filtration cartridge with the membrane of the present application.