(19)
(11) EP 4 337 708 A1

(12)

(43) Date of publication:
20.03.2024 Bulletin 2024/12

(21) Application number: 22728413.0

(22) Date of filing: 09.05.2022
(51) International Patent Classification (IPC): 
C08G 18/42(2006.01)
C08G 18/38(2006.01)
 C08G 18/50(2006.01)
(52) Cooperative Patent Classification (CPC):
C08G 18/7621; C08G 2110/0008; C08G 2110/0083; C08G 18/4825; C08G 18/4247; C08G 18/4241; C08G 18/5078; C08G 18/388; C08G 2110/005
(86) International application number:
PCT/EP2022/062422
(87) International publication number:
WO 2022/238293 (17.11.2022 Gazette 2022/46)
(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: 11.05.2021 EP 21173342

(71) Applicant: Clariant International Ltd
4132 Muttenz (CH)

(72) Inventors:
  • KRUCKENBERG, Achim
    50354 Hürth (DE)
  • SCHLUNDT, Waldemar
    50354 Hürth (DE)
  • HAUENSTEIN, Oliver
    53225 Bonn (DE)
  • SICKEN, Martin
    51149 Köln (DE)
  • HUTMACHER, Elke
    50354 Hürth (DE)
  • KLEIN, Patrick
    50354 Hürth (DE)

(74) Representative: Clariant Produkte (Deutschland) GmbH 
Patent Management Industriepark Höchst, G 860
65926 Frankfurt am Main
65926 Frankfurt am Main (DE)

   


(54) FLEXIBLE FOAMS COMPRISING FLAME-RETARDANT POLYURETHANE, A PROCESS FOR THEIR PRODUCTION AND USE THEREOF