Global Patent Index - EP 2547716 A1

EP 2547716 A1 20130123 - METHOD FOR THE DEPOLYMERISATION OF LIGNOCELLULOSIC BIOMASS

Title (en)

METHOD FOR THE DEPOLYMERISATION OF LIGNOCELLULOSIC BIOMASS

Title (de)

VERFAHREN ZUR ENTPOLYMERISATION VON LIGNOCELLULOSISCHER EBIOMASSE

Title (fr)

PROCEDE DE DEPOLYMERISATION DE BIOMASSE LIGNOCELLULOSIQUE

Publication

EP 2547716 A1 20130123 (FR)

Application

EP 11714366 A 20110317

Priority

  • FR 1051928 A 20100318
  • FR 2011050537 W 20110317

Abstract (en)

[origin: WO2011114058A1] The present invention relates to a method for the depolymerisation of lignin or the derivatives thereof, including a step of heating the lignin or the derivatives thereof in the presence of a hydroxide of the general formula M(OH)n or a mixture of M(OH)n hydroxides, where M is a metal of the alkali or alkaline-earth family and n is equal to 1 or 2, and where the mass ratio between said hydroxide or mixture of hydroxides and the lignin or the derivatives thereof is comprised between around 0.5 and around 20.

IPC 1-7

C08H 6/00

IPC 8 full level

C08H 8/00 (2010.01); C07G 1/00 (2011.01); C08H 7/00 (2011.01)

CPC (source: EP KR US)

C07G 1/00 (2013.01 - EP KR US); C08H 6/00 (2013.01 - EP KR US); C08H 8/00 (2013.01 - EP KR US)

Citation (search report)

See references of WO 2011114058A1

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

DOCDB simple family (publication)

WO 2011114058 A1 20110922; BR 112012023480 A2 20160524; CA 2792519 A1 20110922; CN 102939322 A 20130220; EP 2547716 A1 20130123; FR 2957599 A1 20110923; FR 2957599 B1 20140110; JP 2013522281 A 20130613; KR 20130062269 A 20130612; RU 2012142159 A 20140427; US 2013066116 A1 20130314

DOCDB simple family (application)

FR 2011050537 W 20110317; BR 112012023480 A 20110317; CA 2792519 A 20110317; CN 201180014532 A 20110317; EP 11714366 A 20110317; FR 1051928 A 20100318; JP 2012557591 A 20110317; KR 20127027083 A 20110317; RU 2012142159 A 20110317; US 201113635157 A 20110317