US 12,330,120 B2
Spiral wound membrane element for high temperature filtration
Paul Michael Smigelski, Jr., Niskayuna, NY (US); David Olson, Minnetonka, MN (US); Rachel Gettings, Niskayuna, NY (US); Jack Howson, Niskayuna, NY (US); David Moore, Niskayuna, NY (US); Deborah De La Cruz, Vista, CA (US); Hua Wang, Niskayuna, NY (US); and Joel Caraher, Niskayuna, NY (US)
Assigned to BL Technologies, Inc., Minnetonka, MN (US)
Filed by BL Technologies, Inc., Minnetonka, MN (US)
Filed on Feb. 16, 2023, as Appl. No. 18/110,634.
Application 18/110,634 is a continuation of application No. 16/961,906, granted, now 11,607,649, previously published as PCT/US2019/017271, filed on Feb. 8, 2019.
Claims priority of provisional application 62/629,286, filed on Feb. 12, 2018.
Prior Publication US 2023/0191333 A1, Jun. 22, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. B01D 63/10 (2006.01); B01D 61/02 (2006.01); B01D 67/00 (2006.01); B01D 69/10 (2006.01); B01D 69/12 (2006.01); B01D 71/56 (2006.01)
CPC B01D 63/103 (2013.01) [B01D 61/02 (2013.01); B01D 67/0009 (2013.01); B01D 69/1071 (2022.08); B01D 69/1251 (2022.08); B01D 71/56 (2013.01); B01D 2313/143 (2013.01); B01D 2325/22 (2013.01); B01D 2325/28 (2013.01); B01D 2325/30 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A spiral wound membrane module comprising, a membrane envelope comprising a membrane and a permeate spacer; a feed spacer adjacent the membrane envelope; a center tube, wherein the membrane envelope and the feed spacer are wrapped around the center tube; and, an anti-telescoping device attached to the center tube beside the membrane envelope and the feed spacer, wherein the feed spacer comprises ethylene chlorotrifluoroethylene, wherein the permeate spacer comprises a nylon fabric coated with epoxy.