(19)
(11) EP 4 770 973 A1

(12)

(43) Date of publication:
08.07.2026 Bulletin 2026/28

(21) Application number: 24764829.8

(22) Date of filing: 29.08.2024
(51) International Patent Classification (IPC): 
C03C 25/321(2018.01)
C03C 25/34(2006.01)
(52) Cooperative Patent Classification (CPC):
C03C 25/34; C03C 25/321
(86) International application number:
PCT/EP2024/074234
(87) International publication number:
WO 2025/046040 (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: 01.09.2023 EP 23194895

(71) Applicant: ROCKWOOL A/S
2640 Hedehusene (DK)

(72) Inventors:
  • HJELMGAARD, Thomas
    2640 Hedehusene (DK)
  • SPANGSBERG HOLM, Martin
    2640 Hedehusene (DK)
  • OEGAARD SVENDSEN, Josefine
    2640 Hedehusene (DK)
  • NAERUM, Lars
    2640 Hedehusene (DK)
  • VAN DER EERDEN, Frederik
    2640 Hedehusene (DK)

(74) Representative: Meissner Bolte Partnerschaft mbB 
Patentanwälte Rechtsanwälte Postfach 86 06 24
81633 München
81633 München (DE)

   


(54) MINERAL WOOL BINDER BASED ON PHENOL FORMALDEHYDE RESIN AND CARBOHYDRATE