(19)
(11) EP 4 816 453 A1

(12)

(43) Date of publication:
07.10.2026 Bulletin 2026/41

(21) Application number: 24837086.8

(22) Date of filing: 27.12.2024
(51) International Patent Classification (IPC): 
C08J 3/24(2006.01)
C08G 59/22(2006.01)
C08J 5/04(2006.01)
C08K 5/09(2006.01)
C09J 163/00(2006.01)
 B29C 65/00(2006.01)
C08G 59/50(2006.01)
C08J 11/10(2006.01)
C08K 5/17(2006.01)
(52) Cooperative Patent Classification (CPC):
C08J 5/04; C08J 2363/10; C08J 3/24; C08G 59/50; C09J 163/00; C08J 2363/00; C08K 7/14; B29C 65/02; B29C 66/919; B29C 66/7212
 
C-Sets:
  1. B29C 66/71, B29K 2063/00;
  2. B29C 66/71, B29K 2033/12;
  3. B29C 66/71, B29K 2061/20;
  4. B29C 66/7212, B29K 2309/08;
(86) International application number:
PCT/EP2024/088578
(87) International publication number:
WO 2025/153319 (24.07.2025 Gazette 2025/30)
(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: 17.01.2024 EP 24152283

(71) Applicant: Siemens Gamesa Renewable Energy A/S
7330 Brande (DK)

(72) Inventors:
  • HIERRO-OLABARRIA SALGADO, Francisco Javier
    01400 Llodio (ES)
  • JIANG, Dai-Hua
    8000 Aarhus C (DK)
  • STECHER, Harald
    9520 Skørping (DK)
  • DU PREZ, Filip
    B9000 Ghent (BE)
  • EDINGER, David
    8020 Graz (AT)
  • FISCHER, Susanne
    B9000 Gent (BE)
  • RATZENBÖCK, Karin
    4040 Linz (AT)
  • SLUGOVC, Christian
    8010 Graz (AT)

(74) Representative: SGRE-Association 
Siemens Energy Global GmbH& Co. KG SE CD I IP Intellectual Property Siemenspromenade 9
91058 Erlangen
91058 Erlangen (DE)

   


(54) METHOD OF MODIFYING A COMPOSITE MATERIAL OF FIBER REINFORCED POLYMER RESIN AND A METHOD OF ADHERING A PART OF A WIND TURBINE BLADE OR A NACELLE TO A SECOND SURFACE BY MEANS OF THE POLYMER RESIN