(19)

(11)

EP 0 874 545 A1

(12)

(43) Date of publication: 04.11.1998 Bulletin 1998/45 (21) Application number: 96943984.0 (22) Date of filing: 17.12.1996

(51) International Patent Classification (IPC):  A01N 25/ 04( . ) A01N 37/ 50( . ) A01N 37/ 36( . ) (86) International application number: PCT/EP1996/005669 (87) International publication number: WO 1997/023130 (03.07.1997 Gazette 1997/29)

(84) Designated Contracting States: ES GR IT (30) Priority: 21.12.1995 US 19950008991P 21.12.1995 US 19950008993P 21.12.1995 US 19950009019P 21.12.1995 US 19950009298P (71) Applicant: BASF CORPORATION Mount Olive, New Jersey 07828-1234 (US)	(72) Inventors: FINCH, Charles, W. Garner, NC 27529 (US) RADEMACHER, Wilhelm D-67117 Limburgerhof (DE) HELPERT, Charles, W. Durham, NC 27713 (US) CALLAN, Mary Cary, NC 27511 (US) VON AMSBERG, Hans, J. Chapel Hill, NC 27516 (US) (74) Representative: Stark, Vera, Dr., et al  BASF Aktiengesellschaft Patente, Marken und Lizenzen 67056 Ludwigshafen 67056 Ludwigshafen (DE)