(19)

(11)

EP 3 687 789 A1

(12)

(43) Date of publication: 05.08.2020 Bulletin 2020/32 (21) Application number: 18792546.6 (22) Date of filing: 21.09.2018

(51) International Patent Classification (IPC):  B32B 7/04(2019.01) B32B 15/088(2006.01) B32B 15/20(2006.01) B32B 27/32(2006.01) B32B 27/36(2006.01) B32B 7/14(2006.01) B32B 15/09(2006.01) B32B 27/08(2006.01) B32B 27/34(2006.01) (86) International application number: PCT/IN2018/050618 (87) International publication number: WO 2019/058396 (28.03.2019 Gazette 2019/13)

(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: 21.09.2017 IN 201721033579 (71) Applicant: Huhtamaki-PPL Limited Thane, Maharashtra 400610 (IN)	(72) Inventors: GUPTA, Suresh Thane 400 601 Maharashtra (IN) THANEVALA, Marzban Thane 400 601 Maharashtra (IN) (74) Representative: Barker Brettell LLP  100 Hagley Road Edgbaston Birmingham B16 8QQ Birmingham B16 8QQ (GB)