(19)

(11)

EP 1 242 178 A1

(12)

(43) Date of publication: 25.09.2002 Bulletin 2002/39 (21) Application number: 00979762.2 (22) Date of filing: 28.11.2000

(51) International Patent Classification (IPC)7: B01J 20/00, B01J 20/26, G01N 1/34 (86) International application number: PCT/GB0004/525 (87) International publication number: WO 0103/9877 (07.06.2001 Gazette 2001/23)

(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: 02.12.1999 GB 9928370 (71) Applicant: AstraZeneca AB 151 85 Södertälje (SE)	(72) Inventor: COCLOUGH Nicola Cheshire SK10 4TG (GB) (74) Representative: Phillips, Neil  AstraZeneca AB,Global Intellectual Property 151 85 Sodertalje 151 85 Sodertalje (SE)