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(11)

EP 4 561 746 A1

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(43) Date of publication: 04.06.2025 Bulletin 2025/23 (21) Application number: 23847285.6 (22) Date of filing: 26.07.2023

(51) International Patent Classification (IPC):  B01J 20/14(2006.01) B01J 20/32(2006.01) B05D 1/02(2006.01) B01J 20/283(2006.01) B01J 20/28(2006.01) (52) Cooperative Patent Classification (CPC): B01J 20/14; B01J 20/2803; B01J 20/28076; B01J 20/28011; B01J 20/106; B01J 20/28004; B01J 20/3078; B01J 20/3028 (86) International application number: PCT/US2023/028643 (87) International publication number: WO 2024/025920 (01.02.2024 Gazette 2024/05)

(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 (30) Priority: 29.07.2022 US 202263369803 P (71) Applicant: Imerys USA, Inc. Roswell, GA 30076 (US)	(72) Inventors: GITTINS, David San Jose, California 95123 (US) DAVIS, James Cumming, Georgia 30041 (US) HU, Li-Chih Sacramento, California 95834 (US) FLOTLIN, Kyle Seattle, Washington 98122 (US) (74) Representative: Haseltine Lake Kempner LLP  One Portwall Square Portwall Lane Bristol BS1 6BH Bristol BS1 6BH (GB)