(19)

(11)

EP 3 969 602 A1

(12)

(43) Date of publication: 23.03.2022 Bulletin 2022/12 (21) Application number: 21720838.8 (22) Date of filing: 05.04.2021

(51) International Patent Classification (IPC):  C12P 19/04(2006.01) C08L 1/02(2006.01) C12N 1/22(2006.01) (52) Cooperative Patent Classification (CPC): C12P 19/04; C12N 1/22; C12P 2201/00; C12P 2203/00; C08H 8/00; C08L 1/02 (86) International application number: PCT/IB2021/052806 (87) International publication number: WO 2021/205319 (14.10.2021 Gazette 2021/41)

(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: 08.04.2020 PT 2020116239 (71) Applicants: Raiz - Instituto De Investigação Da Floresta E Papel 3800-783 Eixo (PT) Universidade do Minho 4704-553 Braga (PT)	(72) Inventors: RICARDO GASPAR, Alexandre Miguel 3800-783 Eixo (PT) DE QUEIRÓS DOURADO, Fernando Octávio 4710-057 Braga (PT) DE ALMEIDA GARRETT SOARES DA SILVA, Francisco 4710-057 Braga (PT) PORTELA DA GAMA, Francisco Miguel 4710-057 Braga (PT) DE OLIVEIRA RODRIGUES PINTO, Paula Cristina 3800-783 Eixo (PT) SENA DA COSTA BRANCO, Pedro Miguel 3800-783 Eixo (PT)