METHOD FOR ESTERIFYING LIGNIN WITH AT LEAST ONE FATTY ACID

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United States of America Patent

APP PUB NO 20150232497A1
SERIAL NO

14421916

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention relates to a method for producing lignin esterified with at least one fatty acid, wherein the method includes the following steps: (i) reacting acetylated lignin with at least one fatty acid under the influence of heating and distilling at least part of the acetic acid formed during the reaction away from the reaction mixture, wherein per each mole of acetyl groups present in the lignin an excess molar amount of at least one fatty acid is used; and (ii) recovering lignin esterified with at least one fatty acid formed in step (i).

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Patent Owner(s)

Patent OwnerAddress
UPM-KYMMENE CORPORATIONALVAR AALLON KATU 1 HELSINKI 00100

International Classification(s)

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  • 2013 Application Filing Year
  • C07G Class
  • 43 Applications Filed
  • 35 Patents Issued To-Date
  • 81.40 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20132014201520162017201820190255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Myllymäki, Teemu Helsinki, FI 1 3
Oinonen, Kati Imatra, FI 5 16
Pietarinen, Suvi Lappeenranta, FI 29 149

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Patent Citation Ranking

  • 3 Citation Count
  • C07G Class
  • 25.71 % this patent is cited more than
  • 10 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges925101 - 1011 - 200246810121416182022242628

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