EP 0830475 A1 19980325 - MODIFIED ORGANOSOLV PULPING
Title (en)
MODIFIED ORGANOSOLV PULPING
Title (de)
MODIFIZIERTER ORGANOSOLV-AUFSCHLUSS
Title (fr)
FABRICATION DE PATE A PAPIER AVEC UN SOLVANT ORGANIQUE MODIFIE
Publication
Application
Priority
- US 9609942 W 19960607
- US 47290995 A 19950607
Abstract (en)
[origin: WO9641052A1] A method and apparatus for producing pulp (95) from fibrous plant materials (10). The method comprises the step of pulping (100) the fibrous material with a cooking solvent of a lower aliphatic alcohol and an additive mixture comprising at least one additive selective from the group consisting of sulfite salts, bisulfite salts and caustic.
IPC 1-7
IPC 8 full level
CPC (source: EP)
D21C 3/20 (2013.01); D21C 3/222 (2013.01)
Designated contracting state (EPC)
AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
WO 9641052 A1 19961219; AU 6270596 A 19961230; BR 9609008 A 19991214; CA 2221619 A1 19961219; EP 0830475 A1 19980325; EP 0830475 A4 19980826; JP H11507416 A 19990629; NO 975672 D0 19971205; NO 975672 L 19980204
DOCDB simple family (application)
US 9609942 W 19960607; AU 6270596 A 19960607; BR 9609008 A 19960607; CA 2221619 A 19960607; EP 96921489 A 19960607; JP 50210297 A 19960607; NO 975672 A 19971205