(19)

(11)

EP 4 146 748 A1

(12)

(43) Date of publication: 15.03.2023 Bulletin 2023/11 (21) Application number: 21722233.0 (22) Date of filing: 02.05.2021

(51) International Patent Classification (IPC):  C09D 5/14(2006.01) A01N 59/16(2006.01) B05D 1/04(2006.01) (52) Cooperative Patent Classification (CPC): C09D 5/14; B05D 1/04; A01N 59/16; B05D 5/08; B05D 2601/24; B05B 5/03 (86) International application number: PCT/EP2021/061495 (87) International publication number: WO 2021/224150 (11.11.2021 Gazette 2021/45)

(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: 06.05.2020 EP 20020209 (71) Applicant: Hecosol GmbH 96052 Bamberg (DE)	(72) Inventor: BRÜCKNER, Ralph 96103 Hallstadt (DE) (74) Representative: DTS Patent- und Rechtsanwälte Schnekenbühl und Partner mbB  Brienner Straße 1 80333 München 80333 München (DE)