(19)

(11)

EP 4 240 703 A1

(12)

(43) Date of publication: 13.09.2023 Bulletin 2023/37 (21) Application number: 21811437.9 (22) Date of filing: 04.11.2021

(51) International Patent Classification (IPC):  C04B 18/20(2006.01) C04B 18/22(2006.01) C04B 28/04(2006.01) E04B 2/18(2006.01) (52) Cooperative Patent Classification (CPC): C04B 18/20; C04B 28/04; C04B 18/22   C-Sets: C04B 18/20, C04B 20/0008, C04B 20/0076; C04B 28/04, C04B 14/28, C04B 18/20, C04B 40/0608; (86) International application number: PCT/GB2021/052873 (87) International publication number: WO 2022/096894 (12.05.2022 Gazette 2022/19)

(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: 04.11.2020 GB 202017455 (71) Applicant: MJT Recycling Ltd Leeds Yorkshire LS15 4LG (GB)	(72) Inventors: TODD, Jamie Leeds, West Yorkshire LS11 5LN (GB) TODD, Thomas Leeds, West Yorkshire LS11 5LN (GB) HALL, Emily Kate Sheffield S10 1HT (GB) FILDER, Grace Dinah Sheffield S10 2SN (GB) (74) Representative: Stephenson, Philip  Bailey Walsh & Co LLP 1 York Place Leeds, LS1 2DR Leeds, LS1 2DR (GB)