(19)

(11)

EP 4 250 996 A1

(12)

(43) Date of publication: 04.10.2023 Bulletin 2023/40 (21) Application number: 21897345.1 (22) Date of filing: 26.11.2021

(51) International Patent Classification (IPC):  A42B 3/30(2006.01) A42B 1/24(2021.01) (52) Cooperative Patent Classification (CPC): A42B 3/04 (86) International application number: PCT/IN2021/051101 (87) International publication number: WO 2022/113110 (02.06.2022 Gazette 2022/22)

(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: 27.11.2020 IN 202011051786 (71) Applicant: MKU Limited Kanpur, Uttar Pradesh 208007 (IN)	(72) Inventor: KHANDELWAL, Manish Kanpur (IN) (74) Representative: Sach, Greg Robert  Valet Patent Services Landberger Str. 302 80687 München 80687 München (DE)