(19)

(11)

EP 0 763 245 A1

(12)

(43) Date of publication: 19.03.1997 Bulletin 1997/12 (21) Application number: 95921785.0 (22) Date of filing: 30.05.1995

(51) International Patent Classification (IPC):  B01L 1/ 02( . ) G21F 7/ 005( . ) B62B 3/ 00( . ) (86) International application number: PCT/EP1995/002057 (87) International publication number: WO 1995/034078 (14.12.1995 Gazette 1996/01)

(84) Designated Contracting States: BE CH DE FR GB IT LI NL (30) Priority: 03.06.1994 GB 19940011146 (71) Applicant: SMITHKLINE BEECHAM BIOLOGICALS S.A. 1330 Rixensart (BE)	(72) Inventors: THILLY, Jacques, SmithKline Beecham Biol. S.A. B-1330 Rixensart (BE) LEGRAND, Jean-Pierre B-1330 Rixensart (BE) (74) Representative: Tyrrell, Arthur William Russell, Dr.  SmithKline Beecham plc Corporate Intellectual Property, Two New Horizons Court Brentford, Middlesex TW8 9EP Brentford, Middlesex TW8 9EP (GB)