Global Patent Index - EP 3959373 A1

EP 3959373 A1 20220302 - A METHOD OF FRACTIONATING A LIGNOCELLULOSIC MATERIAL AND PRODUCTS OBTAINED BY SAID METHOD

Title (en)

A METHOD OF FRACTIONATING A LIGNOCELLULOSIC MATERIAL AND PRODUCTS OBTAINED BY SAID METHOD

Title (de)

VERFAHREN ZUR FRAKTIONIERUNG VON LIGNOCELLULOSISCHEM MATERIAL UND DURCH DAS BESAGTE VERFAHREN ERHALTENE PRODUKTE

Title (fr)

PROCÉDÉ DE FRACTIONNEMENT D'UNE MATIÈRE LIGNOCELLULOSIQUE ET PRODUITS OBTENUS SELON LEDIT PROCÉDÉ

Publication

EP 3959373 A1 20220302 (EN)

Application

EP 20729118 A 20200514

Priority

  • FI 20195401 A 20190515
  • FI 2020050321 W 20200514

Abstract (en)

[origin: WO2020229732A1] The present invention relates to the fields of treating lignocellulosic material. Specifically, the invention relates to a method of fractionating a lignocellulosic material, wherein said method comprises contacting a lignocellulosic material with a specific composition to obtain a liquid fraction comprising said specific composition and dissolved compounds from the lignocellulosic material, and a solid fraction, and bleaching the solid fraction. Also, the invention concerns a hemicellulose, cellulose or lignin product, or any combination thereof, obtained by the method of the present invention.

IPC 8 full level

D21C 3/20 (2006.01); C08H 8/00 (2010.01); D21C 9/10 (2006.01); D21C 9/14 (2006.01); D21C 9/16 (2006.01); D21H 17/25 (2006.01); D21H 27/10 (2006.01)

CPC (source: EP FI)

C08B 15/02 (2013.01 - EP); C08H 8/00 (2013.01 - EP FI); C08L 1/02 (2013.01 - EP FI); C08L 5/14 (2013.01 - EP FI); C08L 97/005 (2013.01 - EP FI); D21C 3/20 (2013.01 - EP FI); D21C 9/10 (2013.01 - EP FI); D21C 9/1084 (2013.01 - EP FI); D21C 9/14 (2013.01 - EP FI); D21C 9/16 (2013.01 - EP FI); D21H 17/25 (2013.01 - EP); D21H 27/10 (2013.01 - EP)

Citation (search report)

See references of WO 2020229732A1

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

WO 2020229732 A1 20201119; EP 3959373 A1 20220302; FI 129866 B 20221014; FI 20195401 A1 20201116

DOCDB simple family (application)

FI 2020050321 W 20200514; EP 20729118 A 20200514; FI 20195401 A 20190515