(19)
(11) EP 4 229 119 A1

(12)

(43) Date of publication:
23.08.2023 Bulletin 2023/34

(21) Application number: 21786978.3

(22) Date of filing: 08.10.2021
(51) International Patent Classification (IPC): 
C08J 9/14(2006.01)
C08G 18/76(2006.01)
B32B 15/20(2006.01)
C08G 18/42(2006.01)
C08G 18/50(2006.01)
C08G 18/09(2006.01)
B32B 15/04(2006.01)
C08G 18/40(2006.01)
C08G 18/48(2006.01)
(52) Cooperative Patent Classification (CPC):
C08J 9/146; C08G 18/092; C08G 18/7664; C08G 2110/0033; C08G 2110/0025; C08G 2115/02; C08G 18/4018; C08G 18/4213; C08G 18/4829; C08G 18/5033; C08J 2375/04; C08J 2203/162; B32B 2307/3065; B32B 2266/0278; B32B 2307/304; B32B 15/20; B32B 2266/0264; B32B 15/046; B32B 5/18; F16L 59/028
(86) International application number:
PCT/EP2021/077854
(87) International publication number:
WO 2022/078899 (21.04.2022 Gazette 2022/16)
(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 MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 13.10.2020 JP 2020172551
14.12.2020 EP 20213890

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

(72) Inventors:
  • KASHIWAMOTO, Yuudai
    Higashiosaka-city, Osaka, 577-0007 (JP)
  • HOSHIBA, Jiro
    Amagasaki, 661-0977 (JP)

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

   


(54) COMPOSITION FOR FORMING POLYISOCYANURATE FOAM, POLYISOCYANURATE FOAM, AND THERMAL INSULATING MATERIAL