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EP 4 823 996 A1

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(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24837258.3 (22) Date of filing: 13.12.2024

(51) International Patent Classification (IPC):  C03B 37/04(2006.01) D04H 1/4226(2012.01) D21H 21/52(2006.01) D04H 1/4218(2012.01) D21H 13/40(2006.01) D21H 27/10(2006.01) (52) Cooperative Patent Classification (CPC): C03B 37/04; D04H 1/4218; D04H 1/4226; D21H 13/40; D21H 21/52; D21H 27/10 (86) International application number: PCT/US2024/060026 (87) International publication number: WO 2025/128992 (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: 15.12.2023 WO PCT/US2023/084231 15.12.2023 WO PCT/US2023/084235 (71) Applicant: Owens Corning Intellectual Capital, LLC Toledo, OH 43659 (US)

(72) Inventors: GAWRYLA, Matthew Daniel Granville, Ohio 43023 (US) SALATA, Ryan Robert Westerville, Ohio 43023 (US) UGOREK, Michael Stephen Westerville, Ohio 43082 (US) JONES, Sarah Beth Warren New Albany, Ohio 43054 (US) SMITH, William Edwin Pataskala, Ohio 43062 (US) PRUZINSKY, Stephanie Newark, Ohio 43055 (US) VERHOFF, Jonathan Michael Granville, Ohio 43023 (US) (74) Representative: Novagraaf International SA  Chemin de l'Echo 3 1213 Onex, Geneva 1213 Onex, Geneva (CH)