EP 4001504 B1 20230927 - BASE PAPER, ITS USE AND MULTILAYER STRUCTURE
Title (en)
BASE PAPER, ITS USE AND MULTILAYER STRUCTURE
Title (de)
ROHPAPIER, SEINE VERWENDUNG UND MEHRSCHICHTSTRUKTUR
Title (fr)
BASE DE PAPIER, SON UTILISATION ET STRUCTURE MULTICOUCHE
Publication
Application
Priority
EP 20208279 A 20201118
Abstract (en)
[origin: EP4001504A1] The invention relates to a base paper for producing a multilayer product, such as laminate structure. The base paper comprises cellulosic fibre material and has a bulk density value ≤590 kg/m<sup>3</sup>; a Bendtsen roughness value ≥800 ml/min; and a Gurley porosity value ≤15 s/100 ml. The invention further relates to a use of the base paper and to a multilayer structure.
IPC 8 full level
D21H 27/18 (2006.01); D21H 17/23 (2006.01); D21H 27/22 (2006.01); D21H 27/30 (2006.01)
CPC (source: EP)
D21H 17/23 (2013.01); D21H 27/18 (2013.01); D21H 27/22 (2013.01); D21H 27/30 (2013.01)
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 MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
EP 4001504 A1 20220525; EP 4001504 B1 20230927; EP 4001504 C0 20230927; ES 2960957 T3 20240307; HR P20231271 T1 20240202; PL 4001504 T3 20240311; RS 64903 B1 20231229
DOCDB simple family (application)
EP 20208279 A 20201118; ES 20208279 T 20201118; HR P20231271 T 20201118; PL 20208279 T 20201118; RS P20231148 A 20201118