← EPO Patent Bulletin

CELL-CRYOPRESERVATION METHOD USING POLYIMIDE POROUS MEMBRANE

Publication EP3406707A1 Kind: A1 Mar 18, 2026

Applicants

UBE Corporation

Inventors

HAGIHARA, Masahiko, SHIMIZU, Motohisa, WADA, Yukinori

Abstract

The invention relates to a long term cell culturing method and a cell culturing apparatus and kit that employ a porous polyimide film. The invention further relates to a cell cryopreservation method and kit employing the porous polyimide film.

IPC Classifications

A01N 1/128 20250101AFI20260128BHEP A01N 1/147 20250101ALI20260128BHEP A01N 1/162 20250101ALI20260128BHEP C12M 1/12 20060101ALI20260128BHEP C08J 9/28 20060101ALI20260128BHEP C12N 1/16 20060101ALI20260128BHEP C12N 1/20 20060101ALI20260128BHEP C12N 5/00 20060101ALI20260128BHEP

Designated 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