Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Frank Peng0
Atso Laakso0
Ari-Pekka Määttänen0
Seppo Lampainen0
Date of Patent
March 12, 2024
0Patent Application Number
172560580
Date Filed
June 25, 2019
0Patent Citations
Patent Primary Examiner
Patent abstract
The invention relates to a lightweight linerboard for corrugated board with good strength properties and which reduces problems with washboarding in the thereof produced corrugated board. The linerboard of the invention comprises at least one ply comprising 20-80 wt % CTMP from wood fibers and 20-80 wt % chemical pulp, all percentages calculated on the total fiber weight of said first ply, wherein the CTMP exhibits a bulk of at least 2.5 cm
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