(19)
(11) EP 4 816 435 A1

(12)

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

(21) Application number: 24817212.4

(22) Date of filing: 27.11.2024
(51) International Patent Classification (IPC): 
C08G 18/36(2006.01)
C08G 18/48(2006.01)
 C08G 18/40(2006.01)
C08G 18/66(2006.01)
(52) Cooperative Patent Classification (CPC):
C08G 18/36; C08G 18/6696; C08G 18/4891
(86) International application number:
PCT/EP2024/083798
(87) International publication number:
WO 2025/114378 (05.06.2025 Gazette 2025/23)
(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: 29.11.2023 CN 202311618448
16.01.2024 EP 24152268

(71) Applicant: Covestro Deutschland AG
51373 Leverkusen (DE)

(72) Inventors:
  • WEI, Yefen
    Shanghai, 201315 (CN)
  • SCHORNSTEIN, Marcel
    41462 Neuss (DE)

(74) Representative: Levpat 
c/o Covestro AG Gebäude K12
51365 Leverkusen
51365 Leverkusen (DE)

   


(54) POLYURETHANE FOAM, METHOD FOR PREPARING THE SAME, AND ARTICLE THEREOF