(19)

(11)

EP 1 289 651 A1

(12)

(43) Date of publication: 12.03.2003 Bulletin 2003/11 (21) Application number: 01938915.4 (22) Date of filing: 07.06.2001

(51) International Patent Classification (IPC)7: B01J 20/22, B01J 20/32, B01D 15/08 (86) International application number: PCT/SE0101/278 (87) International publication number: WO 0109/4007 (13.12.2001 Gazette 2001/50)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 08.06.2000 SE 0002152 08.06.2000 US 209999 P (71) Applicants: Porath, Jerker 756 45 Uppsala (SE) Ersson, Bo 757 57 Uppsala (SE)	(72) Inventors: Porath, Jerker 756 45 Uppsala (SE) Ersson, Bo 757 57 Uppsala (SE) (74) Representative: Holmberg, Martin  Bergenstrahle & Lindvall ABP.O. Box 17704 118 93 Stockholm 118 93 Stockholm (SE)