US 11,807,733 B2
Functionalized porous membranes and methods of manufacture and use
Kristoffer K. Stokes, Lunenburg, MA (US); and Karl F. Humiston, Tucson, AZ (US)
Assigned to Celgard, LLC, Charlotte, NC (US)
Filed by Celgard, LLC, Charlotte, NC (US)
Filed on Sep. 16, 2021, as Appl. No. 17/476,737.
Application 17/476,737 is a division of application No. 16/251,154, filed on Jan. 18, 2019, granted, now 11,124,622.
Application 16/251,154 is a division of application No. 14/710,951, filed on May 13, 2015, granted, now 10,196,495, issued on Feb. 5, 2019.
Claims priority of provisional application 61/992,264, filed on May 13, 2014.
Prior Publication US 2022/0002513 A1, Jan. 6, 2022
Int. Cl. C08J 9/36 (2006.01); B32B 27/00 (2006.01); B32B 27/12 (2006.01); B32B 27/32 (2006.01); H01M 50/44 (2021.01); H01M 50/417 (2021.01); H01M 50/489 (2021.01); H01M 50/491 (2021.01)
CPC C08J 9/36 (2013.01) [B32B 27/00 (2013.01); B32B 27/12 (2013.01); B32B 27/32 (2013.01); C08J 9/365 (2013.01); H01M 50/417 (2021.01); H01M 50/44 (2021.01); B32B 2305/026 (2013.01); B32B 2307/724 (2013.01); C08J 2205/044 (2013.01); C08J 2351/06 (2013.01); H01M 50/489 (2021.01); H01M 50/491 (2021.01); Y10T 428/249978 (2015.04); Y10T 442/2861 (2015.04); Y10T 442/2918 (2015.04); Y10T 442/3854 (2015.04); Y10T 442/40 (2015.04); Y10T 442/674 (2015.04)] 22 Claims
OG exemplary drawing
 
1. A composite comprising: a microporous, nanoporous, or mesoporous membrane and an oleophobic coating or treatment on at least one side of the membrane, wherein the composite has a JIS Gurley of 200 seconds or less, and wherein the JIS Gurley of the composite is about the same as the JIS Gurley of the membrane without any coating or treatment.