(19)
(11) EP 0 624 114 A1

(12)

(43) Date of publication:
17.11.1994 Bulletin 1994/46

(21) Application number: 92925058.0

(22) Date of filing: 03.11.1992
(51) International Patent Classification (IPC): 
B01D 67/ 00( . )
B23K 26/ 00( . )
B23K 26/ 38( . )
G03F 7/ 00( . )
B01D 69/ 02( . )
B23K 26/ 06( . )
B29C 44/ 00( . )
B29K 105/ 04( . )
(86) International application number:
PCT/US1992/009406
(87) International publication number:
WO 1993/011861 (24.06.1993 Gazette 1993/15)
(84) Designated Contracting States:
BE CH DE ES FR GB IT LI NL

(30) Priority: 09.12.1991 US 19910804294

(71) Applicant: MINNESOTA MINING AND MANUFACTURING COMPANY
St. Paul, Minnesota 55133-3427 (US)

(72) Inventors:
  • POURNOOR, Kaveh
    Saint Paul, MN 55133-3427 (US)
  • MOSHREFZADEH, Robert, S.
    Saint Paul, MN 55133-3427 (US)
  • McCLURE, Donald, J.
    Saint Paul, MN 55133-3427 (US)

(74) Representative: VOSSIUS & PARTNER 
Siebertstrasse 4
D-81675 München
D-81675 München (DE)

   


(54) MICROSTRUCTURED MEMBRANES AND METHODS FOR MAKING SAME