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(11)

EP 4 824 513 A1

(12)

(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24833889.9 (22) Date of filing: 13.12.2024

(51) International Patent Classification (IPC):  G01F 23/292(2006.01) G01N 13/04(2006.01) G01N 35/10(2006.01) G01N 13/00(2006.01) G01N 15/08(2006.01) G01F 22/00(2006.01) (52) Cooperative Patent Classification (CPC): G01F 23/292; G01F 22/00; G01N 15/0806; G01N 2015/0813; G01N 2015/0846 (86) International application number: PCT/EP2024/086291 (87) International publication number: WO 2025/125603 (19.06.2025 Gazette 2025/25)

(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: 14.12.2023 EP 23216743 (71) Applicant: ROCKWOOL A/S 2640 Hedehusene (DK)	(72) Inventor: TAURO, Sandeep Christopher 2640 Hedehusene (DK) (74) Representative: Gill Jennings & Every LLP  The Broadgate Tower 20 Primrose Street London EC2A 2ES London EC2A 2ES (GB)