(19)

(11)

EP 2 839 063 A1

(12)

(43) Date of publication: 25.02.2015 Bulletin 2015/09 (21) Application number: 13718055.0 (22) Date of filing: 19.04.2013

(51) International Patent Classification (IPC):  D02G 3/36(2006.01) D02G 3/38(2006.01) (86) International application number: PCT/GB2013/050993 (87) International publication number: WO 2013/156787 (24.10.2013 Gazette 2013/43)

(84) Designated Contracting States: AL 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 RS SE SI SK SM TR Designated Extension States: BA ME (30) Priority: 20.04.2012 GB 201206956 (71) Applicant: Covec Limited Chobham, Surrey GU24 8HA (GB)	(72) Inventor: BLOXSOME, Keith Chobham Surrey GU24 8HA (GB) (74) Representative: Chapman, Alan Gareth  IP Asset LLP Prama House 267 Banbury Road Oxford OX2 7HT Oxford OX2 7HT (GB)