← EPO Patent Bulletin

3-HYDROXYADIPIC ACID 3,6-LACTONE COMPOSITION

Grant EP4306515B1 Kind: B1 Mar 18, 2026

Inventors

TSUKAMOTO, Daijiro, KAWAMURA, Kenji, YAMADA, Katsushige

IPC Classifications

C07D 313/04 20060101AFI20250307BHEP C07C 51/09 20060101ALI20250307BHEP C07C 55/14 20060101ALI20250307BHEP C08G 63/16 20060101ALI20250307BHEP

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