(19)

(11)

EP 0 937 086 A1

(12)

(43) Date of publication: 25.08.1999 Bulletin 1999/34 (21) Application number: 97939377.0 (22) Date of filing: 12.08.1997

(51) International Patent Classification (IPC):  C07C 209/ 00( . ) C07F 5/ 02( . ) C07C 211/ 63( . ) (86) International application number: PCT/US1997/014084 (87) International publication number: WO 1999/007712 (18.02.1999 Gazette 1999/07)

(84) Designated Contracting States: BE CH DE DK FR GB IT LI NL (71) Applicant: BOULDER SCIENTIFIC COMPANY Mead, CO 80542 (US)	(72) Inventor: SULLIVAN, Jeffrey, M. Loveland, CO 80537 (US) (74) Representative: Hall, Marina  Elkington and Fife Prospect House, 8 Pembroke Road Sevenoaks, Kent TN13 1XR Sevenoaks, Kent TN13 1XR (GB)