(19)

(11)

EP 1 159 587 A1

(12)

(43) Date of publication: 05.12.2001 Bulletin 2001/49 (21) Application number: 99958352.9 (22) Date of filing: 02.12.1999

(51) International Patent Classification (IPC)7: G01F 11/26 (86) International application number: PCT/GB9904/039 (87) International publication number: WO 0037/897 (29.06.2000 Gazette 2000/26)

(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: 18.12.1998 GB 9828055 (71) Applicant: Aventis CropScience GmbH 65929 Frankfurt am Main (DE)	(72) Inventors: ADAMS, Andrew, John 69009 Lyon (FR) BOYD, Graham Chester CH1 3LR (GB) NOEDING, Gunnar 65929 Frankfurt am Main (DE)