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Title:
LIGNIN COMPOSITION AND USE THEREOF
Document Type and Number:
WIPO Patent Application WO/2022/145280
Kind Code:
A1
Abstract:
A lignin composition containing two or more compounds represented by formula (1) in which the total content of the compounds is 0.06 mass% or more. (In the formula, Ra is a hydrogen atom, a methyl group, an ethyl group, a furyl group, a hydroxymethylfuryl group, a hydroxyphenyl group, a hydroxymethoxyphenol group, or a hydroxydimethoxyphenol group. Rc1 and Rc2 each independently represent a hydroxyl group, an alkoxy group, an amino group, or a thiol group. R11-R20 each independently represent a hydrogen atom, a hydroxyl group, or a group including a C1-15 hydrocarbon group, a C1-5 hydrocarbon ether group, or a carbonyl group.)

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Inventors:
KOYAMA YOSHIHITO (JP)
MIYAGAWA TOSHIFUMI (JP)
Application Number:
PCT/JP2021/047204
Publication Date:
July 07, 2022
Filing Date:
December 21, 2021
Export Citation:
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Assignee:
IDEMITSU KOSAN CO (JP)
International Classes:
C08L97/00; C08K5/053; C08L101/00
Domestic Patent References:
WO2019031610A12019-02-14
WO2015046588A12015-04-02
Foreign References:
JP2009084320A2009-04-23
JP2018165316A2018-10-25
JP2016539216A2016-12-15
JP2008156601A2008-07-10
JP2013199561A2013-10-03
Other References:
"Lignin Chemical Study Method", 1994, UNI PUBLICATION
Attorney, Agent or Firm:
HEIWA INTERNATIONAL PATENT OFFICE (JP)
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