(19)
(11) EP 1 129 345 A1

(12)

(43) Date of publication:
05.09.2001 Bulletin 2001/36

(21) Application number: 99958906.2

(22) Date of filing: 10.11.1999
(51) International Patent Classification (IPC)7G01N 27/447
(86) International application number:
PCT/US9926/724
(87) International publication number:
WO 0028/315 (18.05.2000 Gazette 2000/20)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

(30) Priority: 12.11.1998 US 108086 P

(71) Applicant: ARIZONA BOARD OF REGENTS
TempeArizona 85287 (US)

(72) Inventors:
  • HAYES, Mark, A.
    Gilbert, AZ 85233 (US)
  • POLSON, Nolan, A.
    Chandler, AZ 85224 (US)

(74) Representative: Schwarz, Albin, Dr. et al
PatentanwaltWipplingerstrasse 32/22
1010 Wien
1010 Wien (AT)

   


(54) PRACTICAL DEVICE FOR CONTROLLING ULTRASMALL VOLUME FLOW