Global Patent Index - EP 1244842 A1

EP 1244842 A1 20021002 - A PEROXIDE BLEACHING SOLUTION COMPRISING A BLEACHING ACTIVATOR AND METHOD FOR USING THE ACTIVATOR

Title (en)

A PEROXIDE BLEACHING SOLUTION COMPRISING A BLEACHING ACTIVATOR AND METHOD FOR USING THE ACTIVATOR

Title (de)

EINE PEROXIDLÖSUNG FÜR DIE BLEICHE ENTHALTEND EINEN BLEICHAKTIVATOR UND VERFAHREN ZU SEINER VERWENDUNG

Title (fr)

UNE SOLUTION PEROXIDE POUR LE BLANCHIMENT COMPRENANT UN ACTIVATEUR DE BLANCHIMENT ET SON PROCEDE D'UTILISATION

Publication

EP 1244842 A1 20021002 (EN)

Application

EP 00936928 A 20000614

Priority

  • FI 0000534 W 20000614
  • FI 991365 A 19990615

Abstract (en)

[origin: WO0077297A1] The invention relates to a bleaching activator that can be used to improve the opacity of bleached pulps containing lignin, and to a method for using the activator. The activator is mono-, di- or triformic, acetic or propionic ester of glycerol.

IPC 1-7

D21C 9/16

IPC 8 full level

D21C 9/10 (2006.01); D21C 9/16 (2006.01)

CPC (source: EP)

D21C 9/1036 (2013.01); D21C 9/163 (2013.01)

Citation (search report)

See references of WO 0077297A1

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

DOCDB simple family (publication)

WO 0077297 A1 20001221; AT 257191 T 20040115; AU 5224700 A 20010102; CA 2374754 A1 20001221; DE 60007559 D1 20040205; EP 1244842 A1 20021002; EP 1244842 B1 20040102; FI 107544 B 20010831; FI 991365 A0 19990615; FI 991365 A 20001216; NO 20016082 D0 20011213; NO 20016082 L 20020214

DOCDB simple family (application)

FI 0000534 W 20000614; AT 00936928 T 20000614; AU 5224700 A 20000614; CA 2374754 A 20000614; DE 60007559 T 20000614; EP 00936928 A 20000614; FI 991365 A 19990615; NO 20016082 A 20011213