Method for hydrophobing a cellulose substrate

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United States of America Patent

PATENT NO 10378153
APP PUB NO 20180179708A1
SERIAL NO

15580560

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Abstract

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Method for hydrophobing a cellulose substrate (1), which comprising a first side and a second side, which faces away from the first side. The method comprising the steps of drying a cellulose substrate (1) to a dry content above 80%, preferably above 85%, adding a vaporized fatty acid halide, to the first side of the cellulose substrate, and, at the same time perform vacuum sucking at the second side of the cellulose substrate, such that, the vaporized fatty acid penetrates the cellulose substrate (1) in a predetermined direction through the substrate.

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Patent Owner(s)

Patent OwnerAddress
STORA ENSO OYJP O BOX 309 HELSINKI 00101

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Badenlid, Raija Karlstad, SE 2 4
Hansson, Susanne Vendelso, SE 7 4
Karlsson, Annki Karlstad, SE 1 3
Tollnerius, Stig Karlstad, SE 1 3

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