Method for bleaching pulp

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United States of America Patent

PATENT NO 9540767
APP PUB NO 20150152600A1
SERIAL NO

14390051

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Abstract

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A method for bleaching pulp is provided. In the method at least one tertiary amine compound is introduced into a process stage of bleaching. This process stage is a stage which comprises mixing pulp and a chlorine compound capable of bleaching.

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Patent Owner(s)

  • ANDRITZ OY;KEMIRA OYJ;STORA ENSO OYJ;UPM-KYMMENE CORPORATION;METSÄ FIBRE OY

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jääskeläinen, Anna-Stiina Espoo, FI 5 32
Lindberg, Andreas Helsinki, FI 7 37
Vuorinen, Tapani Espoo, FI 12 160

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