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EP 4 294 876 A1

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(43) Date of publication: 27.12.2023 Bulletin 2023/52 (21) Application number: 21939158.8 (22) Date of filing: 17.09.2021

(51) International Patent Classification (IPC):  C08L 83/04(2006.01) B32B 25/20(2006.01) B32B 5/00(2006.01) C08J 7/00(2006.01) (52) Cooperative Patent Classification (CPC): C08J 3/28; C08J 2383/04 (86) International application number: PCT/IB2021/058482 (87) International publication number: WO 2022/229693 (03.11.2022 Gazette 2022/44)

(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: 30.04.2021 IN 202121019916 (71) Applicant: Gharda Chemicals Limited Maharashtra 421203 (IN)

(72) Inventors: GHARDA, Keki Hormusji Mumbai, PIN- Maharashtra 400050 (IN) TRIVEDI, Prakash D Mumbai- Maharashtra 400050 (IN) ZAVERI, Jaimin C Mumbai- Maharashtra 400050 (IN) KUNDU, Amit Thane Maharashtra 421203 (IN) BHOWMIK, Shantanu Coimbatore, Tamil Nadu 641112 (IN) VINODHINI, Jennifer Coimbatore, Tamil Nadu 641112 (IN) K, Sudheendra Coimbatore, Tamil Nadu 641112 (IN) (74) Representative: Linage González, Rafael  Jacobacci & Partners, S.L. Zurbano, 76 / 7° 28010 Madrid 28010 Madrid (ES)