EP 1264037 A2 20021211 - PULPING PROCESS
Title (en)
PULPING PROCESS
Title (de)
AUFSCHLUSSVERFAHREN
Title (fr)
PROCEDE DE REDUCTION EN PATE
Publication
Application
Priority
- EP 01904735 A 20010208
- EP 00850037 A 20000301
- SE 0100256 W 20010208
- US 50138400 A 20000209
Abstract (en)
[origin: WO0159202A2] The present invention relates to a process for the removal of lignin from lignocellulose containing material comprising treating the lignocellulose containing material prior to a chemical pulping process with a delignifying gas, wherein the gas comprises chlorine dioxide.
IPC 1-7
IPC 8 full level
D21B 1/02 (2006.01); D21C 1/00 (2006.01); D21C 1/04 (2006.01); D21C 3/22 (2006.01)
CPC (source: EP)
Citation (search report)
See references of WO 0159202A2
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
DOCDB simple family (publication)
WO 0159202 A2 20010816; WO 0159202 A3 20020103; AU 3256001 A 20010820; AU 3256101 A 20010820; AU 778689 B2 20041216; AU 779711 B2 20050210; CA 2399723 A1 20010816; CA 2399772 A1 20010816; EP 1264037 A2 20021211; EP 1264038 A2 20021211; JP 2003522844 A 20030729; JP 2003522845 A 20030729; NO 20023711 D0 20020806; NO 20023711 L 20021004; NO 20023712 D0 20020806; NO 20023712 L 20021004; NZ 520518 A 20040227; WO 0159203 A2 20010816; WO 0159203 A3 20020103
DOCDB simple family (application)
SE 0100256 W 20010208; AU 3256001 A 20010208; AU 3256101 A 20010208; CA 2399723 A 20010208; CA 2399772 A 20010208; EP 01904735 A 20010208; EP 01904736 A 20010208; JP 2001558527 A 20010208; JP 2001558528 A 20010208; NO 20023711 A 20020806; NO 20023712 A 20020806; NZ 52051801 A 20010208; SE 0100257 W 20010208