Use of sodium dithionite in pulping

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United States of America Patent

PATENT NO 9121135
APP PUB NO 20140158315A1
SERIAL NO

14103905

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Abstract

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A method of producing cellulose from lignocellulosic material by sulfite digestion or sulfate digestion in the presence of a salt of dithionous acid comprises using the salt of dithionous acid in an amount from 0.1 to 4.0 wt. % based on the amount of oven-dry lignocellulosic material.

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BASF SE67056 LUDWIGSHAFEN AM RHEIN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Erren, Stefan Kallstadt, DE 6 5
Schönhaber, Dieter Meckenheim, DE 4 1
Schachtl, Martin Buch, DE 6 9

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