(19)

(11)

EP 3 994 293 A1

(12)

(43) Date of publication: 11.05.2022 Bulletin 2022/19 (21) Application number: 20793771.5 (22) Date of filing: 01.10.2020

(51) International Patent Classification (IPC):  C23C 14/06(2006.01) C23C 14/54(2006.01) C23C 28/00(2006.01) C23C 14/35(2006.01) C23C 14/02(2006.01) (52) Cooperative Patent Classification (CPC): C23C 14/0605; C23C 14/548; C23C 14/352; C23C 14/025; C23C 14/027; C23C 28/322; C23C 28/343; C23C 28/36; C23C 30/00 (86) International application number: PCT/GB2020/052400 (87) International publication number: WO 2021/064401 (08.04.2021 Gazette 2021/14)

(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: 01.10.2019 GB 201914136 (71) Applicant: Teer Coatings Limited Droitwich, Worchestershire WR9 9AS (GB)	(72) Inventors: NAVABPOUR, Parnia Droitwich Worcestershire WR9 9AS (GB) SUN, Hailin Droitwich Worcestershire WR9 9AS (GB) FIELD, Susan Droitwich Worcestershire WR9 9AS (GB) SANZONE, Guiseppe Droitwich Worcestershire WR9 9AS (GB) YIN, Jinlong Droitwich Worcestershire WR9 9AS (GB) (74) Representative: Wood, Graham  Bailey Walsh & Co LLP 1 York Place Leeds, LS1 2DR Leeds, LS1 2DR (GB)