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(11)

EP 4 284 866 A1

(12)

(43) Date of publication: 06.12.2023 Bulletin 2023/49 (21) Application number: 21827612.9 (22) Date of filing: 03.12.2021

(51) International Patent Classification (IPC):  C08K 3/04(2006.01) (52) Cooperative Patent Classification (CPC): C08K 3/042; C08K 3/08; C08K 2003/2241; C08K 2003/0812; C08J 3/201; C08J 2325/06; B29C 65/1677; B29C 65/1638; B29C 66/7392; B29C 66/7394; B29K 2105/16; B29K 2507/04; B29C 66/71; B29C 65/1616; B29C 65/1674   C-Sets: C08K 3/042, C08L 23/12; C08K 3/08, C08L 23/12; B29C 66/71, B29K 2023/12; (86) International application number: PCT/GB2021/053161 (87) International publication number: WO 2022/162333 (04.08.2022 Gazette 2022/31)

(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: 26.01.2021 GB 202101025 (71) Applicant: Colloids Limited North Kirkby, Merseyside L33 7SY (GB)

(72) Inventors: JEFFS, Sophie Rachel North Kirkby Merseyside L33 7SY (GB) TAYLOR, Chaniece North Merseyside Kirkby L33 7SY (GB) COTTON, Graham Michael John North Merseyside Kirkby L33 7SY (GB) MICHAILIDIS, Marios North Merseyside Kirkby L33 7SY (GB) HEPBURN, Derek Sinclair North Merseyside Kirkby L33 7SY (GB) (74) Representative: Wilson Gunn  Blackfriars House The Parsonage 5th Floor Manchester M3 2JA Manchester M3 2JA (GB)