(19)

(11)

EP 2 994 438 A2

(12)

(88) Date of publication A3: 29.01.2015 (43) Date of publication: 16.03.2016 Bulletin 2016/11 (21) Application number: 14732285.3 (22) Date of filing: 12.05.2014

(51) International Patent Classification (IPC):  C04B 7/12(2006.01) C10L 9/10(2006.01) C04B 18/08(2006.01) (86) International application number: PCT/GB2014/051445 (87) International publication number: WO 2014/181133 (13.11.2014 Gazette 2014/46)

(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: 10.05.2013 GB 201308472 (71) Applicant: International Innovative Technologies Limited Tyne and Wear NE11 0BU (GB)	(72) Inventors: DAOOD, Syed Gateshead Tyne and Wear NE11 0BU (GB) NIMMO, William Leeds Yorkshire LS2 9JT (GB) (74) Representative: Hartley, Lucinda Jane  Hargreaves Elsworth Cooper's Studios 14-18 Westgate Road Newcastle-upon-Tyne NE1 3NN Newcastle-upon-Tyne NE1 3NN (GB)