(19)

(11)

EP 0 042 400 A1

(12)

(43) Date of publication: 30.12.1981 Bulletin 1981/52 (21) Application number: 81900165.0 (22) Date of filing: 24.11.1980

(51) International Patent Classification (IPC):  A61M 5/ 36( . ) (86) International application number: PCT/US1980/001571 (87) International publication number: WO 1981/001655 (25.06.1981 Gazette 1981/15)

(84) Designated Contracting States: AT CH DE FR GB LI NL SE (30) Priority: 13.12.1979 US 19790103057 13.12.1979 US 19790103040 (71) Applicant: BAXTER TRAVENOL LABORATORIES, INC. Deerfield, IL 60015 (US)	(72) Inventors: GUPTON, John E. Vernon Hills, IL 60061 (US) SHIM, Norm Glenview, IL 60025 (US) ZISSIMOPOULOS, Nicholas Schaumburg, IL 60193 (US) BARON, John Wheeling, IL 60090 (US) (74) Representative: MacGregor, Gordon, et al  ERIC POTTER CLARKSON St. Mary's Court St. Mary's Gate Nottingham, NG1 1LE Nottingham, NG1 1LE (GB)