Global Patent Index - EP 1759061 A1

EP 1759061 A1 20070307 - PROCESS FOR PRESERVATION OF CELLULOSIC MATERIALS

Title (en)

PROCESS FOR PRESERVATION OF CELLULOSIC MATERIALS

Title (de)

VERFAHREN ZUR KONSERVIERUNG VON CELLULOSEHALTIGEN MATERIALIEN

Title (fr)

PROCEDE POUR LA CONSERVATION DE MATERIAUX CELLULOSIQUES

Publication

EP 1759061 A1 20070307 (EN)

Application

EP 05716817 A 20050225

Priority

  • EP 2005050827 W 20050225
  • EP 04100790 A 20040227
  • EP 05716817 A 20050225

Abstract (en)

[origin: WO2005083176A1] Process for conservation of a cellulosic material, comprising a treatment wherein said cellulosic material is contacted with a stabilising agent, and at least one of the cellulosic material or the stabilising agent is cooled before and/or during the treatment. A deacidification agent comprising magnesiumdipropoxycarbonate, propanol and an HFC selected from HFC-134a and HFC-227ea is particularly preferred as stabilising agent.

IPC 8 full level

D21H 25/18 (2006.01); D21H 21/16 (2006.01); D21H 21/18 (2006.01); D21H 21/36 (2006.01)

CPC (source: EP US)

D21H 25/18 (2013.01 - EP US); D21H 21/16 (2013.01 - EP US); D21H 21/18 (2013.01 - EP US); D21H 21/36 (2013.01 - EP US)

Citation (search report)

See references of WO 2005083176A1

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

WO 2005083176 A1 20050909; BR PI0508056 A 20070717; CA 2556626 A1 20050909; EP 1759061 A1 20070307; MX PA06009765 A 20070323; US 2008017336 A1 20080124

DOCDB simple family (application)

EP 2005050827 W 20050225; BR PI0508056 A 20050225; CA 2556626 A 20050225; EP 05716817 A 20050225; MX PA06009765 A 20050225; US 59097705 A 20050225