Process for bleaching pulp with adsorption of metals

United States of America Patent

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Nov 13, 2001
Issued Date
N/A
app pub date
Mar 15, 1995
filing date
Jul 9, 1992

priority date (Note)
Expired

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Abstract

A process for bleaching pulp, in which, after fiber liberation, a first filtrate containing metals, principally in ionic form, is separated off from the pulp, and supplied downstream to the pulp flow after a bleaching stage.

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Patent Owner(s)

Patent Owner	Address
KVAERNER PULPING TECHNOLOGIES	KARLSTAD

International Classification(s)

D21C:PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE ....

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Bergovist, Anders	Karlstad, SE	1	0
Dahllof, Hakan	Edsvalla, SE	6	69

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Process for bleaching pulp with adsorption of metals

Number of patents in Portfolio can not be more than 2000

United States of America Patent

08404908

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PATENT NO	6315862
SERIAL NO	08404908
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08404908

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