(19)

(11)

EP 3 917 767 A1

(12)

(43) Date of publication: 08.12.2021 Bulletin 2021/49 (21) Application number: 20702794.7 (22) Date of filing: 30.01.2020

(51) International Patent Classification (IPC):  B32B 1/08(2006.01) B32B 25/08(2006.01) B32B 27/32(2006.01) B32B 27/36(2006.01) B32B 7/035(2019.01) B32B 27/08(2006.01) B32B 27/34(2006.01) (52) Cooperative Patent Classification (CPC): B32B 1/08; B32B 25/08; B32B 27/08; B32B 27/32; B32B 27/34; B32B 27/36; B32B 37/15; B32B 2250/24; B32B 2250/242; B32B 2250/40; B32B 2270/00; B32B 2307/30; B32B 2307/406; B32B 2307/514; B32B 2307/54; B32B 2307/582; B32B 2307/5825; B32B 2307/702; B32B 2307/704; B32B 2307/732; B32B 2425/00; B32B 2519/00; B32B 2553/00; B32B 7/03; B32B 7/035 (86) International application number: PCT/EP2020/052364 (87) International publication number: WO 2020/157242 (06.08.2020 Gazette 2020/32)

(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: KH MA MD TN (30) Priority: 30.01.2019 GB 201901263 (71) Applicant: Innovia Films Limited Wigton, Cumbria CA7 9BG (GB)	(72) Inventors: KONKEL, Christopher Wigton Cumbria CA7 9BG (GB) HEWITT, Jonathan Wigton Cumbria CA7 9BG (GB) (74) Representative: Brand Murray Fuller LLP  50 Eastcastle Street London W1W 8EA London W1W 8EA (GB)