Global Patent Index - EP 1699974 B1

EP 1699974 B1 20090729 - PROCESS FOR PREPARING MECHANICAL PULP

Title (en)

PROCESS FOR PREPARING MECHANICAL PULP

Title (de)

VERFAHREN ZUR HERSTELLUNG VON MECHANISCHEM HALBSTOFF

Title (fr)

PROCEDE DE PREPARATION DE PATE DE BOIS MECANIQUE

Publication

EP 1699974 B1 20090729 (EN)

Application

EP 04805154 A 20041213

Priority

  • FI 2004000759 W 20041213
  • FI 20031818 A 20031211

Abstract (en)

[origin: WO2005056915A1] The invention relates to a method for the pre-treatment of chips, which can be used to reduce the specific energy consumption of mechanical pulp and to improve the technical properties of the fibres. In the treatment, chips in a liquid phase are brought into contact with an enzyme preparation containing cellobiohydrolase and endoglucanase

IPC 8 full level

D21B 1/02 (2006.01)

CPC (source: EP US)

D21B 1/021 (2013.01 - EP US)

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 2005056915 A1 20050623; AT 437993 T 20090815; CA 2549469 A1 20050623; DE 602004022332 D1 20090910; EP 1699974 A1 20060913; EP 1699974 B1 20090729; FI 20031818 A0 20031211; FI 20031818 A 20050612; NO 20063206 L 20060710; US 2007151683 A1 20070705

DOCDB simple family (application)

FI 2004000759 W 20041213; AT 04805154 T 20041213; CA 2549469 A 20041213; DE 602004022332 T 20041213; EP 04805154 A 20041213; FI 20031818 A 20031211; NO 20063206 A 20060710; US 58252504 A 20041213