Light weight linerboard for corrugated board

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United States of America

PATENT NO 11926128
SERIAL NO

17256058

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Abstract

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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 cm3/g.

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Patent Owner(s)

Patent OwnerAddress
STORA ENSO OYJP O BOX 309 HELSINKI 00101

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Laakso, Atso Varkaus, FI 3 4
Lampainen, Seppo Lahti, FI 7 14
Määttänen, Ari-Pekka Espoo, FI 2 2
Peng, Frank Hammarö, SE 9 45

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