US 11,925,891 B2
Filtration media with extended surface area
SoonDeuk Jeung, Independence, MO (US); Yogesh Ner, Spring Hill, TN (US); Lu Liu, Crestwood, KY (US); Zhiwang Wu, Spring Hill, TN (US); and Lei Li, Franklin, TN (US)
Assigned to PARKER-HANNIFIN CORPORATION, Cleveland, OH (US)
Filed by SoonDeuk Jeung, Independence, MO (US); Yogesh Ner, Spring Hill, TN (US); Lu Liu, Crestwood, KY (US); Zhiwang Wu, Spring Hill, TN (US); and Lei Li, Franklin, TN (US)
Filed on Feb. 10, 2021, as Appl. No. 17/172,214.
Application 17/172,214 is a continuation of application No. PCT/US2019/045531, filed on Aug. 7, 2019.
Claims priority of provisional application 62/717,296, filed on Aug. 10, 2018.
Prior Publication US 2021/0162333 A1, Jun. 3, 2021
Int. Cl. B01D 39/16 (2006.01); B01D 46/00 (2022.01); B01D 46/10 (2006.01); B01D 46/52 (2006.01); F02C 7/052 (2006.01); D01D 11/06 (2006.01)
CPC B01D 46/523 (2013.01) [B01D 39/1623 (2013.01); B01D 46/0001 (2013.01); B01D 46/10 (2013.01); B01D 2239/0654 (2013.01); B01D 2239/0668 (2013.01); B01D 2239/1291 (2013.01); B01D 2275/10 (2013.01); B01D 2275/205 (2013.01); B01D 2279/60 (2013.01); D01D 11/06 (2013.01); D10B 2331/10 (2013.01); D10B 2505/04 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A filter media, comprising:
a backing layer;
a filtration layer applied to the backing layer, the filtration layer deposited onto the backing layer and comprising thermoplastic polyurethane, wherein the filtration layer has an elongation of about 50% to about 350%; and
wherein the filter media has a combined elongation of about 20% to about 80%.