← EPO Patent Bulletin

METHODS AND APPARATUS FOR DETERMINING A COLOUR VALUE OF TEETH

Publication EP4423768A1 Kind: A1 Mar 25, 2026

Applicants

Unilever IP Holdings B.V., Unilever Global IP Limited

Inventors

HU, Wenchao, SUN, Yiwen, WANG, Shan, YANG, Hui

IPC Classifications

G16H 30/40 20180101AFI20230505BHEP G16H 50/20 20180101ALI20230505BHEP

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, ME, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR