(19)
(11) EP 1 159 609 A1

(12)

(43) Date of publication:
05.12.2001 Bulletin 2001/49

(21) Application number: 00909455.8

(22) Date of filing: 06.03.2000
(51) International Patent Classification (IPC)7G01N 33/00
(86) International application number:
PCT/GB0000/777
(87) International publication number:
WO 0054/044 (14.09.2000 Gazette 2000/37)
(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: 05.03.1999 GB 9905053

(71) Applicant: Marconi Applied Technologies Limited
London W1X 8AQ (GB)

(72) Inventors:
  • PIKE, Andrew
    Chelmsford,Essex CM1 3HQ (GB)
  • BYFIELD, Mark, Philip
    Great Yeldham,Essex CO9 5QH (GB)
  • HATHCOCK, Stanley, Lester
    Flowery Branch, GA 30542 (US)

(74) Representative: Hucker, Nerys 
Marconi Intellectual PropertyMarrable HouseThe VineyardsGt. Baddow
ChelmsfordEssex CM2 7QS
ChelmsfordEssex CM2 7QS (GB)

   


(54) CHEMICAL SENSOR SYSTEMS