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(11)

EP 4 004 262 A1

(12)

(43) Date of publication: 01.06.2022 Bulletin 2022/22 (21) Application number: 20743723.7 (22) Date of filing: 28.07.2020

(51) International Patent Classification (IPC):  D01D 5/08(2006.01) D01F 1/04(2006.01) C08J 3/22(2006.01) D01F 1/06(2006.01) (52) Cooperative Patent Classification (CPC): D01F 1/04; D01F 1/06; D01D 5/08 (86) International application number: PCT/EP2020/071230 (87) International publication number: WO 2021/018874 (04.02.2021 Gazette 2021/05)

(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 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: 29.07.2019 EP 19382649 (71) Applicant: Iqap Masterbatch Group, S.L. 08510 Masies de Roda-BCN (ES)	(72) Inventors: CASTANYER COLLELL, Josep 08510 MASIES DE RODA - BCN (ES) ESPAÑA PLANS, Martín 08510 MASIES DE RODA - BCN (ES) (74) Representative: Ponti & Partners, S.L.P  C. de Consell de Cent 322 08007 Barcelona 08007 Barcelona (ES)