Process for preparing a solution of lignin in an aqueous medium

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United States of America Patent

PATENT NO 11667792
SERIAL NO

16613738

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Abstract

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The present invention relates to a process for lignin dissolution in which partial methylolation of lignin is carried out during the step of preparing a solution of lignin in an aqueous medium comprising alkali. The lignin prepared according to the process of the present invention can be used to manufacture lignin-based phenolic resins, which are particularly useful in the manufacture of laminates.

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Patent Owner(s)

Patent OwnerAddress
STORA ENSO OYJP O BOX 309 HELSINKI 00101

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ekström, Jesper Johanneshov, SE 14 23
Zafar, Ashar Alta, SE 20 31

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