(19)

(11)

EP 1 176 887 A1

(12)

(43) Date of publication: 06.02.2002 Bulletin 2002/06 (21) Application number: 00922225.8 (22) Date of filing: 13.04.2000

(51) International Patent Classification (IPC)7: A45F 5/00, A62B 35/00 (86) International application number: PCT/US0010/124 (87) International publication number: WO 0060/979 (19.10.2000 Gazette 2000/42)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (30) Priority: 14.04.1999 US 292792 (71) Applicant: DDX, Inc. Denver, CO 80221 (US)	(72) Inventor: WHITTAKER, Robert, E. Lafayette, CO 80026 (US) (74) Representative: Needle, Jacqueline  W.H. BECK, GREENER & CO 7 Stone Buildings Lincoln's Inn London WC2A 3SZ London WC2A 3SZ (GB)