(19)

(11)

EP 2 961 883 A1

(12)

(43) Date of publication: 06.01.2016 Bulletin 2016/01 (21) Application number: 14714306.9 (22) Date of filing: 26.02.2014

(51) International Patent Classification (IPC):  D21C 1/04(2006.01) D21C 3/22(2006.01) D21C 3/20(2006.01) D21C 11/00(2006.01) (86) International application number: PCT/GB2014/050575 (87) International publication number: WO 2014/132055 (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: 27.02.2013 GB 201303520 (71) Applicant: Bio-Sep Limited High Wycombe, Buckinghamshire HP10 0NH (GB)

(72) Inventors: GATES, Malcolm Gilbert High Wycombe Buckinghamshire HP10 0NH (GB) McGAREL-GROVES, Anthony Robin High Wycombe Buckinghamshire HP10 0NH (GB) ANDERSON, Nigel Donald High Wycombe Buckinghamshire HP10 0NH (GB) DAY, Kenneth John Coryton High Wycombe Buckinghamshire HP10 0NH (GB) LEAHY, Patrick High Wycombe Buckinghamshire HP10 0NH (GB) DRAGE, Geoffrey Nicholas High Wycombe Buckinghamshire HP10 0NH (GB) (74) Representative: Gilholm, Stephen Philip  IPheions Intellectual Property Buzzard Office The Hawk Creative Business Park Easingwold, York YO61 3FE Easingwold, York YO61 3FE (GB)