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(11)

EP 4 139 040 A1

(12)

(43) Date of publication: 01.03.2023 Bulletin 2023/09 (21) Application number: 21792978.5 (22) Date of filing: 23.04.2021

(51) International Patent Classification (IPC):  B01J 13/12(2006.01) B05D 3/02(2006.01) B01J 13/18(2006.01) (52) Cooperative Patent Classification (CPC): B01J 20/043; B01J 20/28021; B01J 20/2803; B01J 20/3028; B01J 20/3042; B01J 13/04; B01J 20/12; B01J 20/046; B01J 20/045; B01J 20/20; B01J 20/165; B01J 20/3085; B01J 20/3078 (86) International application number: PCT/US2021/028821 (87) International publication number: WO 2021/216986 (28.10.2021 Gazette 2021/43)

(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: 24.04.2020 US 202063014911 P (71) Applicant: Church & Dwight Co., Inc. Princeton, New Jersey 08543-5297 (US)

(72) Inventors: GOMES, Andre Vieira Jackson, New Jersey 08527 (US) BUTERA, Adam E. Fairless Hills, Pennsylvania 19030 (US) EGOYANTS, Petr A. St. Petersburg, 198334 (RU) CHEPURNAYA, Irina A. Saint Petersburg, 192148 (RU) KARUSHEV, Mikhail P. Saint Petersburg, 191167 (RU) BYKOV, Vadim A. Saint Petersburg, 196233 (RU) ILYIN, Ilya Wayland, Massachusetts 01778 (US) (74) Representative: Marks & Clerk LLP  15 Fetter Lane London EC4A 1BW London EC4A 1BW (GB)