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:
Nov. 20, 2018
Filed:
Jun. 17, 2016
3m Innovative Properties Company, St. Paul, MN (US);
Patrick A. Mach, Shorewood, MN (US);
Raj Rajagopal, Woodbury, MN (US);
Wensheng Xia, Woodbury, MN (US);
Jinsheng Zhou, Woodbury, MN (US);
Chunmei Guo, Woodbury, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
A method of filtering a liquid sample that includes passing a sample comprising at least one biological organism through a filter membrane at a passive water volume flux of at least 10 L/m·h·psi, wherein the filter membrane comprises a Bubble Point pore size of no more than 1.0 μm, thereby retaining at least one biological organism on the surface of the membrane; and detecting the at least one biological organism retained on the surface of the filter membrane.