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EP 4 551 654 A1

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(43) Date of publication: 14.05.2025 Bulletin 2025/20 (21) Application number: 23761224.7 (22) Date of filing: 06.07.2023

(51) International Patent Classification (IPC):  C09C 1/30(2006.01) A01N 25/00(2006.01) D06M 16/00(2006.01) C01B 33/18(2006.01) C08G 77/00(2006.01) C08K 9/06(2006.01) (52) Cooperative Patent Classification (CPC): C09C 1/3063; C09C 1/3081; C09C 1/309; C01B 33/18; D06M 16/00; C08K 9/06; C01P 2004/62; C01P 2004/61; C01P 2002/82; C01P 2004/03; C01P 2002/88; C08K 2201/005; C08K 3/36; A01N 33/12; A01N 55/00; A01P 1/00; C01B 33/14; D06M 23/08; D06M 13/288; D06M 13/513   C-Sets: A01N 33/12, A01N 25/10, A01N 25/12, A01N 55/00; A01N 55/00, A01N 25/10, A01N 25/12; (86) International application number: PCT/IB2023/056985 (87) International publication number: WO 2024/009250 (11.01.2024 Gazette 2024/02)

(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: 07.07.2022 PT 2022118089 (71) Applicant: CENTITVC - Centro de Nanotecnologia e Materiais Tecnicos, Funcionais e Inteligentes 4760-034 Vila Nova de Famalicão (PT)

(72) Inventors: ALVES DE ORNELAS CARDOSO, Mariana Ivone 4760-034 Vila Nova de Famalicão (PT) DE OLIVEIRA BARROS, Ana Rita 4760-034 Vila Nova de Famalicão (PT) TORRES MALGUEIRO, Regina Andreia 4760-034 Vila Nova de Famalicão (PT) DE CARVALHO ROQUE BOUÇA, Verónica 4760-034 Vila Nova de Famalicão (PT) OLIVEIRA GOMES, Filipa 4760-034 Vila Nova de Famalicão (PT) (74) Representative: Patentree  Edificio Net Rua de Salazares, 842 4149-002 Porto 4149-002 Porto (PT)