(19)

(11)

EP 1 150 986 A1

(12)

(43) Date of publication: 07.11.2001 Bulletin 2001/45 (21) Application number: 00980636.5 (22) Date of filing: 16.11.2000

(51) International Patent Classification (IPC)7: C07F 7/10, C07F 7/18 (86) International application number: PCT/US0031/999 (87) International publication number: WO 0138/334 (31.05.2001 Gazette 2001/22)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR (30) Priority: 22.11.1999 US 444503 (71) Applicant: BOULDER SCIENTIFIC COMPANY Mead, CO 80542 (US)	(72) Inventor: GATELY, Daniel, A. Berthoud, CO 80513 (US) (74) Representative: Hall, Marina et al Elkington and FifeProspect House,8 Pembroke Road Sevenoaks,Kent TN13 1XR Sevenoaks,Kent TN13 1XR (GB)