(19)

(11)

EP 0 942 875 A1

(12)

(43) Date of publication: 22.09.1999 Bulletin 1999/38 (21) Application number: 97909459.0 (22) Date of filing: 16.10.1997

(51) International Patent Classification (IPC):  A01N 25/ 00( . ) B65D 65/ 46( . ) A01N 25/ 34( . ) C11D 17/ 04( . ) (86) International application number: PCT/GB1997/002889 (87) International publication number: WO 1998/021118 (22.05.1998 Gazette 1998/20)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI NL PT SE (30) Priority: 13.11.1996 GB 19960023562 (71) Applicant: ZENECA LIMITED London W1Y 6LN (GB)

(72) Inventors: PADGET, John, Christopher, Zeneca Resins, Res. & Runcorn WA7 4QD (GB) YEATES, Terence, Zeneca Resins, Res & Runcorn WA7 4QD (GB) HINDE, David, Charles, Zeneca Resins, Res & Runcorn WA7 4QD (GB) LANDHAM, Rowena, Roshanthi Kent ME18 6HN (GB) (74) Representative: Tierney, Francis John  Intellectual Property Department, ZENECA Agrochemicals, Jealotts Hill Research Station, P.O. Box 3538 Bracknell, Berkshire RG42 6YA Bracknell, Berkshire RG42 6YA (GB)