(19)
(11) EP 1 212 375 A2

(12)

(88) Date of publication A3:
11.04.2002

(43) Date of publication:
12.06.2002 Bulletin 2002/24

(21) Application number: 00942696.6

(22) Date of filing: 08.06.2000
(51) International Patent Classification (IPC)7C09B 23/02, G01N 31/22
(86) International application number:
PCT/US0015/682
(87) International publication number:
WO 0075/237 (14.12.2000 Gazette 2000/50)
(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: 09.06.1999 US 138297 P

(71) Applicants:
  • CARNEGIE MELLON UNIVERSITY
    PittsburghPennsylvania 15213 (US)
  • Amersham Pharmacia Biotech UK Limited
    Little Chalfont,Buckinghamshire HP7 9NA (GB)

(72) Inventors:
  • MUJUMDAR, Ratnakar
    Glenshaw, PA 15116 (US)
  • SMITH, John Anthony
    Cardiff CF14 6JS (GB)

(74) Representative: Canning, Lewis R. 
Amersham plcThe Grove CentreWhite Lion Road
Amersham, Buckinghamshire HP7 9LL
Amersham, Buckinghamshire HP7 9LL (GB)

   


(54) PH SENSITIVE CYANINE DYES AS REACTIVE FLUORESCENT REAGENTS