EP 1994219 A1 20081126 - CHEMICAL PULP TREATMENT COMPOSITIONS AND METHODS
Title (en)
CHEMICAL PULP TREATMENT COMPOSITIONS AND METHODS
Title (de)
ZUSAMMENSETZUNGEN UND VERFAHREN FÜR CHEMISCHE ZELLSTOFFBEHANDLUNG
Title (fr)
PROCEDES ET COMPOSITIONS DE TRAITEMENT DE PATE CHIMIQUE
Publication
Application
Priority
- US 2007062136 W 20070214
- US 77324206 P 20060214
Abstract (en)
[origin: WO2007095575A1] The present invention relates to compositions and methods for treating pitch problems in chemical pulp by treating chemical pulp process water with a combination of a lipase and a peroxide source. The present invention also relates to compositions and methods for treating pitch problems in chemical pulp by treating chemical pulp process water with a lipase, a peroxide source and organic acid(s).
IPC 8 full level
D21C 9/08 (2006.01); D21H 21/02 (2006.01)
CPC (source: EP US)
D21C 9/08 (2013.01 - EP US); D21H 21/02 (2013.01 - EP US)
Citation (search report)
See references of WO 2007095575A1
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 LV MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2007095575 A1 20070823; AU 2007214449 A1 20070823; BR PI0707656 A2 20110510; CA 2637691 A1 20070823; CN 101384769 A 20090311; EP 1994219 A1 20081126; JP 2009526919 A 20090723; NO 20083436 L 20080826; US 2009065159 A1 20090312
DOCDB simple family (application)
US 2007062136 W 20070214; AU 2007214449 A 20070214; BR PI0707656 A 20070214; CA 2637691 A 20070214; CN 200780005419 A 20070214; EP 07717616 A 20070214; JP 2008554548 A 20070214; NO 20083436 A 20080805; US 16089807 A 20070214