(19)

(11)

EP 1 744 631 A1

(12)

(43) Date of publication: 24.01.2007 Bulletin 2007/04 (21) Application number: 04822042.0 (22) Date of filing: 10.05.2004

(51) International Patent Classification (IPC):  A01N 59/02(2006.01) (86) International application number: PCT/US2004/014778 (87) International publication number: WO 2005/112649 (01.12.2005 Gazette 2005/48)

(84) Designated Contracting States: DE FR GB (71) Applicant: Enviro Tech Chemical Services Inc. Modesto, CA 95358 (US)	(72) Inventors: HOWARTH, Jonathan, N. Modesto, CA 95355 (US) HARVEY, Michael, S. Modesto, CA 95358 (US) (74) Representative: Klunker . Schmitt-Nilson . Hirsch  Winzererstrasse 106 80797 München 80797 München (DE)