(19)

(11)

EP 0 734 292 A1

(12)

(43) Date of publication: 02.10.1996 Bulletin 1996/40 (21) Application number: 95906644.0 (22) Date of filing: 15.12.1994

(51) International Patent Classification (IPC):  B09B 1/ 00( . ) (86) International application number: PCT/US1994/014461 (87) International publication number: WO 1995/016523 (22.06.1995 Gazette 1995/26)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 17.12.1993 US 19930169679 30.03.1994 US 19940220270 (71) Applicant: BIOSAFE, INC. Cambridge, MA 02138 (US)	(72) Inventors: DAVIS, Robert, S. Boston, MA 02138 (US) ROSEN, Richard, H. Belmont, MA 02178 (US) (74) Representative: Cockbain, Julian, Dr.  Frank B. Dehn & Co., European Patent Attorneys, 179 Queen Victoria Street London EC4V 4EL London EC4V 4EL (GB)