(19)
(11) EP 3 962 626 A1

(12)

(43) Date of publication:
09.03.2022 Bulletin 2022/10

(21) Application number: 20727779.9

(22) Date of filing: 01.05.2020
(51) International Patent Classification (IPC): 
B01D 39/16(2006.01)
(52) Cooperative Patent Classification (CPC):
B01D 39/1623; B01D 2239/025; B01D 2239/0622; B01D 2239/0654; B01D 2239/065; B01D 2239/1233; B01D 2239/1258
(86) International application number:
PCT/US2020/031038
(87) International publication number:
WO 2020/223638 (05.11.2020 Gazette 2020/45)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 01.05.2019 US 201962841485 P

(71) Applicant: Ascend Performance Materials Operations LLC
Houston TX 77002 (US)

(72) Inventors:
  • YUNG, Wai-Shing
    Pensacola, Florida 32526 (US)
  • OSBORN, Scott E.
    Pensacola, Florida 32534 (US)
  • MENNER, Joseph L.
    Pinehurst, Texas 77362 (US)
  • ORTEGA, Albert E.
    Pensacola, Florida 32514 (US)

(74) Representative: Kador & Partner PartG mbB 
Corneliusstraße 15
80469 München
80469 München (DE)

   


(54) FILTER MEDIA COMPRISING POLYAMIDE NANOFIBER LAYER