Cellulose derivatives

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11840585
APP PUB NO 20210155716A1
SERIAL NO

16610806

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Abstract

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The present invention provides a method for derivatizing cellulose pulp at high solids content or even at a fully dry state without pretreating the cellulose, the method comprising preparing a reaction medium comprising urea and at least one derivatization reagent; carrying out a chemical derivatization reaction between the at least one derivatization reagent and the cellulose pulp in a reaction system comprising the cellulose pulp in contact with the reaction medium; and optionally purifying and/or recovering the derivatized cellulose product. The present description also relates to products obtainable using said method.

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Patent Owner(s)

  • BETULIUM OY

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Pahimanolis, Nikolaos Espoo, FI 2 1

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