(19)
(11) EP 4 514 886 A1

(12)

(43) Date of publication:
05.03.2025 Bulletin 2025/10

(21) Application number: 23722353.2

(22) Date of filing: 26.04.2023
(51) International Patent Classification (IPC): 
C08J 11/28(2006.01)
(52) Cooperative Patent Classification (CPC):
C08J 11/28; C08J 2375/04; C08L 2207/20
(86) International application number:
PCT/EP2023/060983
(87) International publication number:
WO 2023/209022 (02.11.2023 Gazette 2023/44)
(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:
KH MA MD TN

(30) Priority: 29.04.2022 LU 501979

(71) Applicant: Kemijski Institut
1000 Ljubljana (SI)

(72) Inventors:
  • ZAGAR, Ema
    4000 Kranj (SI)
  • PAHOVNIK, David
    4000 Kranj (SI)
  • GRDADOLNIK, Maja
    1000 Ljubljana (SI)
  • ZDOVC, Blaz
    3000 Celje (SI)

(74) Representative: Weickmann & Weickmann PartmbB 
Postfach 860 820
81635 München
81635 München (DE)

   


(54) RECYCLING OF POLYURETHANES BY AMINOLYSIS WITH REAGENTS COMPRISING PRIMARY AND/OR SECONDARY AND TERTIARY AMINO GROUPS IN THE STRUCTURE