(19)
(11) EP 3 880 884 A1

(12)

(43) Date of publication:
22.09.2021 Bulletin 2021/38

(21) Application number: 19884561.2

(22) Date of filing: 15.11.2019
(51) International Patent Classification (IPC): 
D21H 17/11(2006.01)
D21H 21/16(2006.01)
D21H 27/00(2006.01)
D21H 17/14(2006.01)
D21H 23/50(2006.01)
D21H 19/84(2006.01)
(52) Cooperative Patent Classification (CPC):
D21H 19/84; D21H 21/16; D21H 27/00; D21H 23/44; D21H 17/14; D21H 17/11; D21H 23/50
(86) International application number:
PCT/IB2019/059829
(87) International publication number:
WO 2020/100101 (22.05.2020 Gazette 2020/21)
(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: 16.11.2018 SE 1851430

(71) Applicant: Stora Enso Oyj
00101 Helsinki (FI)

(72) Inventors:
  • HANSSON, Susanne
    135 54 Tyresö (SE)
  • BÅDENLID, Raija
    652 16 Karlstad (SE)
  • BRANDÉN, Carl-Magnus
    656 37 Karlstad (SE)

(74) Representative: Forsberg, Anna Karin 
Stora Enso OYJ Group Intellectual Property Box 9090
65009 Karlstad
65009 Karlstad (SE)

   


(54) METHOD FOR HYDROPHOBIZING A CELLULOSE SUBSTRATE BY UTILIZING A FATTY ACID HALIDE