(19)

(11)

EP 3 576 594 A1

(12)

(43) Date of publication: 11.12.2019 Bulletin 2019/50 (21) Application number: 17811355.1 (22) Date of filing: 29.11.2017

(51) International Patent Classification (IPC):  A47L 13/24(2006.01) A47L 13/258(2006.01) A47L 13/253(2006.01) (86) International application number: PCT/GB2017/053601 (87) International publication number: WO 2018/142093 (09.08.2018 Gazette 2018/32)

(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 Designated Validation States: MA MD (30) Priority: 31.01.2017 GB 201701559 (71) Applicant: Scot Young Research Limited Stourbridge West Midlands DY9 8HG (GB)	(72) Inventor: YOUNG, Ronald Alexander (Scot) Stourbridge West Midlands DY9 8HG (GB) (74) Representative: Murgitroyd & Company  Scotland House 165-169 Scotland Street Glasgow G5 8PL Glasgow G5 8PL (GB)