(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)
7
:
G01N
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