(19)
(11) EP 1 024 886 A1

(12)

(43) Date of publication:
09.08.2000 Bulletin 2000/32

(21) Application number: 98951774.3

(22) Date of filing: 20.10.1998
(51) International Patent Classification (IPC)7: B01D 67/00, B01D 69/12, B01D 71/68, B01D 71/64, B01D 71/08
(86) International application number:
PCT/KR9800/321
(87) International publication number:
WO 9920/378 (29.04.1999 Gazette 1999/17)
(84) Designated Contracting States:
DE ES FR GB IT NL

(30) Priority: 20.10.1997 KR 9753789

(71) Applicant: Korea Research Institute of Chemical Technology
Daejeon 305-343 (KR)

(72) Inventors:
  • LEE, Jung, Min
    Daejeon 305-340 (KR)
  • YEOM, Choong, Kyun
    Yusung-kuDaejeon 305-340 (KR)
  • KIM, Chul, Ung
    Daejeon 305-333 (KR)
  • KIM, Beom, Sik
    Daejeon 305-340 (KR)
  • KIM, Kwang, Joo
    Daejeon 305-333 (KR)

(74) Representative: Behnisch, Werner, Dr. 
Reinhard-Skuhra-WeiseFriedrichstrasse 31
80801 München
80801 München (DE)

   


(54) A MANUFACTURING METHOD OF COMPOSITE MEMBRANE HAVING HYDROPHILIC COATING LAYER ON HYDROPHOBIC SUPPORT MEMBRANE