(19)

(11)

EP 0 825 990 A1

(12)

(43) Date of publication: 04.03.1998 Bulletin 1998/10 (21) Application number: 95920514.0 (22) Date of filing: 17.05.1995

(51) International Patent Classification (IPC):  A01N 43/ 88( . ) C07D 273/ 04( . ) A01N 47/ 38( . ) (86) International application number: PCT/US1995/006270 (87) International publication number: WO 1996/036618 (21.11.1996 Gazette 1996/51)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (71) Applicants: UNIROYAL CHEMICAL COMPANY, Inc. Middlebury Connecticut 06749 (US) UNIROYAL CHEMICAL LTD./UNIROYAL CHEMICAL LTEE Elmira Ontario N3B 3A3 (CA)	(72) Inventors: DEKEYSER, Mark, Achiel Waterloo, Ontario N2K 1W3 (CA) MCDONALD, Paul, Thomas Middlebury, CT 06762 (US) (74) Representative: Spott, Gottfried, Dr.  Spott, Weinmiller & Partner Sendlinger-Tor-Platz 11 80336 München 80336 München (DE)