(19)

(11)

EP 3 596 194 A1

(12)

(43) Date of publication: 22.01.2020 Bulletin 2020/04 (21) Application number: 18722251.8 (22) Date of filing: 13.03.2018

(51) International Patent Classification (IPC):  C11D 3/37(2006.01) C11D 3/386(2006.01) C11D 17/04(2006.01) C11D 3/384(2006.01) C11D 17/00(2006.01) (86) International application number: PCT/PL2018/000025 (87) International publication number: WO 2018/169421 (20.09.2018 Gazette 2018/38)

(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 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: 14.03.2017 PL 42084317 (71) Applicant: Octagon International Trade Zbigniew B Belek 65-713 Zielona Góra (PL)	(72) Inventor: BABELEK, Zbigniew 65-001 Zielona Góra (PL) (74) Representative: Twardowska, Aleksandra  Kulikowska & Kulikowski Roma Office Center ul.Nowogrodzka 47A 00-695 Warszawa 00-695 Warszawa (PL)