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EP 4 771 100 A1

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(43) Date of publication: 08.07.2026 Bulletin 2026/28 (21) Application number: 24860567.7 (22) Date of filing: 26.06.2024

(51) International Patent Classification (IPC):  C08L 97/00(2006.01) B29C 48/00(2019.01) C08H 7/00(2011.01) C08L 23/06(2006.01) C08L 23/18(2025.01) C08L 67/00(2006.01) C08L 67/02(2006.01) B29C 45/00(2006.01) C07G 1/00(2011.01) C08L 23/02(2025.01) C08L 23/12(2006.01) C08L 25/12(2006.01) C08L 9/06(2006.01) C08L 67/04(2006.01) (52) Cooperative Patent Classification (CPC): C07G 1/00; C08L 97/005; C08L 51/04; C08L 67/04; B29C 48/022; B29C 48/40; B29C 48/04; B29C 48/05; B29C 48/0022; B29C 48/001; C08L 23/10   C-Sets: C08L 51/04, C08L 67/02, C08L 97/005; C08L 67/04, C08L 67/00, C08L 97/005; C08L 67/04, C08L 25/04, C08L 97/005; C08L 23/10, C08L 97/005, C08L 9/06; (86) International application number: PCT/SE2024/050639 (87) International publication number: WO 2025/048695 (06.03.2025 Gazette 2025/10)

(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: GE KH MA MD TN (30) Priority: 31.08.2023 SE 2351013 (71) Applicant: Lignin Industries AB 741 71 Knivsta (SE)	(72) Inventors: BORG, Matilda 74139 Knivsta (SE) VERENDEL, Johan 752 24 Uppsala (SE) (74) Representative: Kransell & Wennborg KB  P.O. Box 27834 115 93 Stockholm 115 93 Stockholm (SE)