← EPO Patent Bulletin

MULTI-LAYER BATTERY SEPARATOR

Publication EP4402745A1 Kind: A1 Mar 18, 2026

Applicants

SWM Luxembourg

Inventors

MOTIN, Vincent, BELLOUARD, Christelle, LE NOZAHIC, Axel

IPC Classifications

H01M 50/409 20210101AFI20260209BHEP H01M 50/411 20210101ALI20260209BHEP H01M 50/44 20210101ALI20260209BHEP H01M 50/449 20210101ALI20260209BHEP H01M 50/491 20210101ALI20260209BHEP H01M 10/24 20060101ALI20260209BHEP H01M 50/446 20210101ALI20260209BHEP

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