(19)

(11)

EP 4 305 099 A1

(12)

(43) Date of publication: 17.01.2024 Bulletin 2024/03 (21) Application number: 22770717.1 (22) Date of filing: 15.03.2022

(51) International Patent Classification (IPC):  C08L 1/00(2006.01) C08B 16/00(2006.01) C08B 15/10(2006.01) (52) Cooperative Patent Classification (CPC): C08B 15/10; C08B 16/00 (86) International application number: PCT/IB2022/052309 (87) International publication number: WO 2022/195465 (22.09.2022 Gazette 2022/38)

(84) Designated Contracting 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 Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 15.03.2021 IN 202121010861 (71) Applicant: Grasim Industries Limited Nagda 456 331, Madhya Pradesh (IN)	(72) Inventors: KALITA, Dhrubajyoti Maharashtra 410208 (IN) PATIL, Parag Maharashtra 410208 (IN) CHAVAN, Vikas Dnyaneshwar Maharashtra 410208 (IN) (74) Representative: Renaudo, Adrien Hanouar  Patendibüroo Käosaar OÜ Tähe 94 50107 Tartu 50107 Tartu (EE)