(19)
(11) EP 4 473 044 A1

(12)

(43) Date of publication:
11.12.2024 Bulletin 2024/50

(21) Application number: 23701988.0

(22) Date of filing: 27.01.2023
(51) International Patent Classification (IPC): 
C08J 9/00(2006.01)
C08J 9/12(2006.01)
B29C 44/50(2006.01)
 B29C 44/00(2006.01)
B29C 44/34(2006.01)
B29K 105/04(2006.01)
(52) Cooperative Patent Classification (CPC):
C08J 9/122; C08J 2203/06; C08J 9/125; C08J 2203/10; C08J 9/0061; C08J 2439/06; C08J 2381/06; C08J 2201/03; C08J 2205/05; C08J 2205/042; B29C 44/50; B29C 44/3446; B29K 2105/045
(86) International application number:
PCT/EP2023/052042
(87) International publication number:
WO 2023/148102 (10.08.2023 Gazette 2023/32)
(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: 04.02.2022 EP 22155113

(71) Applicants:
  • BASF SE
    67056 Ludwigshafen am Rhein (DE)
  • Helmholtz-Zentrum hereon GmbH
    21502 Geesthacht (DE)

(72) Inventors:
  • RAJE, Aniket Atul
    21502 Geesthacht (DE)
  • HANDGE, Ulrich Alexander
    44143 Dortmund (DE)
  • KOLL, Joachim
    21502 Geesthacht (DE)
  • GRONWALD, Oliver
    67056 Ludwigshafen (DE)
  • WEBER, Martin
    67056 Ludwigshafen (DE)
  • GEORGOPANOS, Prokopios
    21502 Geesthacht (DE)

(74) Representative: BASF IP Association 
BASF SE GBI - Z078
67056 Ludwigshafen
67056 Ludwigshafen (DE)

   


(54) METHOD FOR PRODUCTION OF OPEN-CELLED POLYMER FOAMS FOR ULTRAFILTRATION APPLICATIONS