EP 0881326 B1 20011017 - Process for producing bleached special cellulose pulps
Title (en)
Process for producing bleached special cellulose pulps
Title (de)
Verfahren zur Herstellung von gebleichten Spezialzellstoffen
Title (fr)
Procédé de fabrication de pâtes spéciales de cellulose blanchie
Publication
Application
Priority
EP 97108710 A 19970530
Abstract (en)
[origin: EP0881326A1] Reduction of degradation of cellulose and its derivatives in the production of bleached special pulp from annual plants comprises using additives (I) that do not react with the half stuff, bleaching chemicals and other components of the bleaching liquor but inhibit degradation.
IPC 1-7
IPC 8 full level
CPC (source: EP)
D21C 5/00 (2013.01); D21C 9/1036 (2013.01)
Designated contracting state (EPC)
AT CH DE DK ES FR GB IT LI PT SE
DOCDB simple family (publication)
EP 0881326 A1 19981202; EP 0881326 B1 20011017; AT E207153 T1 20011115; DE 59704964 D1 20011122; DK 0881326 T3 20020211; ES 2164279 T3 20020216; PT 881326 E 20020429
DOCDB simple family (application)
EP 97108710 A 19970530; AT 97108710 T 19970530; DE 59704964 T 19970530; DK 97108710 T 19970530; ES 97108710 T 19970530; PT 97108710 T 19970530