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(11)

EP 4 217 719 A1

(12)

(43) Date of publication: 02.08.2023 Bulletin 2023/31 (21) Application number: 21871853.4 (22) Date of filing: 22.09.2021

(51) International Patent Classification (IPC):  G01N 25/72(2006.01) G06T 7/00(2017.01) B32B 17/06(2006.01) (52) Cooperative Patent Classification (CPC): G01N 25/72; G06T 7/0008; G06T 2207/30152; G06T 2207/10048 (86) International application number: PCT/IN2021/050929 (87) International publication number: WO 2022/064519 (31.03.2022 Gazette 2022/13)

(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: 28.09.2020 IN 202041042107 (71) Applicant: Saint-Gobain Glass France Tharamani, Chennai (IN)	(72) Inventors: SRIDHARAN, Keerthivasan Chennai 600041 Tamil Nadu (IN) JAYARAM, Robin C Thiruvananthapuram Kerala (IN) BODA, Abhinav Chennai 600042 Tamil Nadu (IN) THANGAMANI, Arunvel Chennai 600048 Tamil Nadu (IN) (74) Representative: Saint-Gobain Recherche  B.P. 135 39, quai Lucien Lefranc 93303 Aubervilliers Cedex 93303 Aubervilliers Cedex (FR)