(19)

(11)

EP 2 961 867 A2

(12)

(88) Date of publication A3: 23.10.2014 (43) Date of publication: 06.01.2016 Bulletin 2016/01 (21) Application number: 14709374.4 (22) Date of filing: 26.02.2014

(51) International Patent Classification (IPC):  D01D 5/00(2006.01) D01D 10/00(2006.01) D04H 1/728(2012.01) (86) International application number: PCT/GB2014/050574 (87) International publication number: WO 2014/132054 (04.09.2014 Gazette 2014/36)

(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: 26.02.2013 GB 201303413 (71) Applicant: University of Keele Keele, Staffordshire ST5 5BG (GB)	(72) Inventors: ROACH, Paul Keele Staffordshire ST5 5BG (GB) YANG, Ying Keele Staffordshire ST5 5BG (GB) (74) Representative: Lenthall, Joseph et al Mewburn Ellis LLP City Tower 40 Basinghall Street London EC2V 5DE London EC2V 5DE (GB)