EP 4180574 A1 20230517 - BARRIER-COATED CELLULOSE-BASED SUBSTRATE FOR LAMINATED PACKAGING MATERIAL
Title (en)
BARRIER-COATED CELLULOSE-BASED SUBSTRATE FOR LAMINATED PACKAGING MATERIAL
Title (de)
SPERRSCHICHTBESCHICHTETES CELLULOSEBASIERTES SUBSTRAT FÜR LAMINIERTES VERPACKUNGSMATERIAL
Title (fr)
SUBSTRAT À BASE DE CELLULOSE REVÊTU D'UNE BARRIÈRE POUR MATÉRIAU D'EMBALLAGE STRATIFIÉ
Publication
Application
Priority
EP 21208172 A 20211115
Abstract (en)
The present invention relates to a barrier-coated cellulose-based substrate (25a) and to a method of manufacturing such cellulose-based substrates, by dispersion coating of a ductile base layer pre-coating (12a) and subsequent dispersion coating of a gas barrier composition (13a) and/or vapour deposition coating of a barrier deposition coating (14a).
IPC 8 full level
D21H 19/02 (2006.01); D21H 19/08 (2006.01); D21H 19/82 (2006.01); D21H 19/84 (2006.01); D21H 27/10 (2006.01)
CPC (source: EP)
D21H 19/02 (2013.01); D21H 19/08 (2013.01); D21H 19/82 (2013.01); D21H 19/826 (2013.01); D21H 19/84 (2013.01); D21H 27/10 (2013.01)
Citation (applicant)
- WO 2011003565 A2 20110113 - TETRA LAVAL HOLDINGS & FINANCE [CH], et al
- WO 2017089508 A1 20170601 - TETRA LAVAL HOLDINGS & FINANCE [CH]
Citation (search report)
- [I] WO 2010037906 A1 20100408 - KESKUSLABORATORIO [FI], et al
- [I] EP 3686007 A1 20200729 - JUJO PAPER CO LTD [JP]
Designated contracting state (EPC)
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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
EP 4180574 A1 20230517; CA 3237066 A1 20230519; CN 118215765 A 20240618; WO 2023084121 A1 20230519
DOCDB simple family (application)
EP 22207583 A 20221115; CA 3237066 A 20221115; CN 202280074796 A 20221115; EP 2022082024 W 20221115