公开(公告)号：US20220362719A1

公开(公告)日：2022-11-17

申请号：US17843988

申请日：2022-06-18

Applicant: Kabushiki Kaisha F.C.C.

Inventor： Masatsugu Ono ,  Makoto Takagi

IPC: B01D69/10 ,  B01D69/02 ,  B01D61/14 ,  B01D71/68 ,  B01D67/00

Abstract: A filtration filter for filtering out impurities has a support with a fibrous structure. A filtration membrane is integrally formed inside the support. The filtration membrane includes a porous resin and is capable of filtering out impurities. The filtration membrane includes a porous resin membrane having an average pore size of 0.026 μm and an opening ratio of 6% to 30%.