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EP 4 798 540 A1

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(43) Date of publication: 02.09.2026 Bulletin 2026/36 (21) Application number: 24790337.0 (22) Date of filing: 10.10.2024

(51) International Patent Classification (IPC):  C01B 33/154(2006.01) C01B 33/158(2006.01) C08K 7/26(2006.01) C01B 33/157(2006.01) C01B 33/159(2006.01) F16L 59/02(2006.01) (52) Cooperative Patent Classification (CPC): C01B 33/154; C01B 33/157; C01B 33/159; C01B 33/158; C01B 33/1585; C08K 7/26; C01P 2006/12; C01P 2006/14; C01P 2006/17; F16L 59/06; C08K 2201/006; C08K 2201/005; C08K 2201/011; C08K 3/36 (86) International application number: PCT/EP2024/078535 (87) International publication number: WO 2025/087701 (01.05.2025 Gazette 2025/18)

(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: 27.10.2023 SE 2351226 (71) Applicant: Svenska Aerogel AB 803 09 Gävle (SE)	(72) Inventors: NORBERG, Peter 806 43 Gävle (SE) NIKKAM, Nader 164 41 Kista (SE) (74) Representative: Kransell & Wennborg KB  P.O. Box 2096 403 12 Göteborg 403 12 Göteborg (SE)