(19)
(11) EP 0 048 267 A1

(12)

(43) Date of publication:
31.03.1982 Bulletin 1982/13

(21) Application number: 81901032.0

(22) Date of filing: 26.01.1981
(51) International Patent Classification (IPC): 
B01D 63/ 02( . )
D01F 2/ 20( . )
D01F 1/ 08( . )
(86) International application number:
PCT/US1981/000112
(87) International publication number:
WO 1981/002750 (01.10.1981 Gazette 1981/23)
(84) Designated Contracting States:
AT CH DE FR GB LI LU NL SE

(30) Priority: 24.03.1980 US 19800133151

(71) Applicant: BAXTER TRAVENOL LABORATORIES, INC.
Deerfield, IL 60015 (US)

(72) Inventors:
  • KOPP, Clinton V.
    Barrington, IL 60010 (US)
  • SHAH, Dilip
    Gurnee, IL 60031 (US)

   


(54) METHOD OF FORMING DIFFUSION MEMBRANE UNITS UTILIZING SPACED MANDRELS