(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