(19)

(11)

EP 3 644 710 A1

(12)

(43) Date of publication: 06.05.2020 Bulletin 2020/19 (21) Application number: 18739601.5 (22) Date of filing: 28.06.2018

(51) International Patent Classification (IPC):  A01G 9/18(2006.01) A01G 9/14(2006.01) A01G 7/02(2006.01) A01G 9/24(2006.01) (86) International application number: PCT/GB2018/051813 (87) International publication number: WO 2019/002871 (03.01.2019 Gazette 2019/01)

(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: KH MA MD TN (30) Priority: 29.06.2017 GB 201710395 (71) Applicant: CO2I Limited Aylesbury, Buckinghamshire HP17 8HE (GB)	(72) Inventor: CAWLEY, Brendan Aylesbury Buckinghamshire HP17 8HE (GB) (74) Representative: Dean, Alexander Bruce  Withers & Rogers LLP 4 More London Riverside London SE1 2AU London SE1 2AU (GB)