(19)

(11)

EP 1 497 031 A1

(12)

(43) Date of publication: 19.01.2005 Bulletin 2005/03 (21) Application number: 02786416.4 (22) Date of filing: 15.10.2002

(51) International Patent Classification (IPC)7: B01L 3/02 (86) International application number: PCT/US2002/032930 (87) International publication number: WO 2003/086632 (23.10.2003 Gazette 2003/43)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 08.04.2002 US 119100 30.07.2002 US 210712 (71) Applicant: Yiu, Felix H. Monrovia, CA 91016 (US)	(72) Inventor: Yiu, Felix H. Monrovia, CA 91016 (US) (74) Representative: Weydert, Robert et al Dennemeyer & Associates S.A.P.O. Box 1502 1015 Luxembourg 1015 Luxembourg (LU)