Global Patent Index - EP 2791417 A1

EP 2791417 A1 20141022 - METHOD OF DEACIDIFYING CELLULOSE BASED MATERIALS

Title (en)

METHOD OF DEACIDIFYING CELLULOSE BASED MATERIALS

Title (de)

VERFAHREN ZUM ENTSÄUERN VON ZELLSTOFFERZEUGNISSEN

Title (fr)

PROCÉDÉ DE DÉSACIDIFICATION DE MATIÈRES À BASE DE CELLULOSE

Publication

EP 2791417 A1 20141022 (EN)

Application

EP 12858381 A 20121214

Priority

  • US 201161576667 P 20111216
  • US 201213713833 A 20121213
  • US 2012069690 W 20121214

Abstract (en)

[origin: US2013158250A1] Provided are compositions and methods of deacidifying a cellulose-based material. The compositions include a hydrohalo-olefin and a deacidification agent dispersed within the hydrohalo-olefin. Cellulose-based materials are contacted with the composition for a sufficient time to increase the pH of the material.

IPC 8 full level

D21H 25/02 (2006.01); B05D 1/04 (2006.01); B05D 1/06 (2006.01); D21H 17/00 (2006.01); D21H 25/00 (2006.01)

CPC (source: EP US)

D21H 17/11 (2013.01 - EP US); D21H 17/64 (2013.01 - EP US); D21H 17/74 (2013.01 - EP US); D21H 21/24 (2013.01 - EP US); D21H 25/02 (2013.01 - US); D21H 25/18 (2013.01 - EP US)

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)

US 2013158250 A1 20130620; EP 2791417 A1 20141022; EP 2791417 A4 20150826; WO 2013090684 A1 20130620

DOCDB simple family (application)

US 201213713833 A 20121213; EP 12858381 A 20121214; US 2012069690 W 20121214