Method of producing lignin with reduced amount of odorous substances

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United States of America Patent

PATENT NO 9617393
APP PUB NO 20160177040A1
SERIAL NO

14940376

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Abstract

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The present invention relates to a method of producing lignin with reduced amount of odorous substances comprising the steps of:

    i) dissolving isolated lignin into an alkali solution;ii) adding to the solution C1-C4-alcohol in an amount of less than 30% by weight, based on the dry weight of the isolated lignin; andiii) re-precipitating lignin by acidifying the solution.

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Patent Owner(s)

Patent OwnerAddress
INNVENTIA ABSTOCKHOLM SWE

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Alvarado, Fernando Stockholm, SE 5 8
Tomani, Per Huddinge, SE 10 126

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