(19)

(11)

EP 2 331 617 A1

(12)

(43) Date of publication: 15.06.2011 Bulletin 2011/24 (21) Application number: 09742381.8 (22) Date of filing: 24.04.2009

(51) International Patent Classification (IPC):  C08K 3/00(2006.01) C08K 9/04(2006.01) C08K 5/00(2006.01) A01N 25/26(2006.01) (86) International application number: PCT/GB2009/050417 (87) International publication number: WO 2009/136185 (12.11.2009 Gazette 2009/46)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA RS (30) Priority: 07.05.2008 GB 0808247 (71) Applicant: Rocktron Limited Bristol BS31 1TX (GB)	(72) Inventor: SHORT, Godfrey, Stewart Bibury Cirencester GL7 5NS (GB) (74) Representative: Targett, Kenneth Stanley  Ken Targett 48 Meadowsweet Way Horton Heath, Hampshire SO50 7PD Horton Heath, Hampshire SO50 7PD (GB)