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EP 4 680 400 A1

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(43) Date of publication: 21.01.2026 Bulletin 2026/04 (21) Application number: 23765009.8 (22) Date of filing: 16.03.2023

(51) International Patent Classification (IPC):  B02C 4/28(2006.01) (52) Cooperative Patent Classification (CPC): B02B 3/00; B07B 1/24; B07B 1/524; B07B 1/528 (86) International application number: PCT/IN2023/050252 (87) International publication number: WO 2024/189631 (19.09.2024 Gazette 2024/38)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (71) Applicant: Bühler (India) Pvt Ltd Karnataka Bengaluru 562107 (IN)	(72) Inventors: NAYAK, Prathik Karnataka Udupi 576113 (IN) PATIL, Anil Banglore 560100 (IN) GOVIND NAIK, Bhavesh Bengaluru 560034 (IN) (74) Representative: Prinz & Partner mbB  Patent- und Rechtsanwälte Rundfunkplatz 2 80335 München 80335 München (DE)