Printing paper product, as well as a method and a system for manufacturing a printing paper product

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United States of America Patent

PATENT NO 9085854
APP PUB NO 20140124156A1
SERIAL NO

14128759

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Abstract

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The invention relates to a method for manufacturing a printing paper product, in which method natural fibres are introduced into a system which includes a paper machine. In the method, calcium hydroxide and carbon dioxide are admixed to natural fibres, for precipitating calcium carbonate onto the surfaces of the natural fibres, and said printing machine is used for manufacturing a printing paper product which includes at least said natural fibres, with calcium carbonate precipitated on their surfaces, as a filler for said printing paper product. The invention also relates to a system for manufacturing a printing paper product. Further, the invention relates to a calendered printing paper product which has not been coated with a pigment.

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Patent Owner(s)

Patent OwnerAddress
UPM-KYMMENE CORPORATIONETELAESPLANADI 2 HELSINKI FI-00130

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kukkamäki, Esko Kangasala, FI 5 23
Laitila, Mika Hämeenlinna, FI 12 131
Lepomäki, Hannu Tampere, FI 2 2
Vuori, Mikko Jämsä{umlaut over ( )}, FI 3 44

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