Global Patent Index - EP 1243693 A3

EP 1243693 A3 20031210 - Process for loading fibers from a fibrous suspension with an additive

Title (en)

Process for loading fibers from a fibrous suspension with an additive

Title (de)

Verfahren zum Beladen von in einer Faserstoffsuspension enthaltenen Fasern mit einem Hilfsstoff

Title (fr)

Procédé pour charger des fibres en suspension avec un additif

Publication

EP 1243693 A3 20031210 (DE)

Application

EP 02002736 A 20020207

Priority

DE 10113998 A 20010322

Abstract (en)

[origin: EP1243693A2] Treatment of fibers in a suspension with auxiliaries by chemical precipitation reaction involves addition of (i) Ca(OH)2 and/or CaO and also (ii) a bleach before the precipitation reaction is completed.

IPC 1-7

D21C 9/00

IPC 8 full level

D21C 9/00 (2006.01); D21C 9/153 (2006.01); D21C 9/16 (2006.01)

CPC (source: EP)

D21C 9/004 (2013.01); D21C 9/153 (2013.01); D21C 9/163 (2013.01)

Citation (search report)

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)

EP 1243693 A2 20020925; EP 1243693 A3 20031210; EP 1243693 B1 20060426; AT E324484 T1 20060515; DE 10113998 A1 20020926; DE 50206517 D1 20060601

DOCDB simple family (application)

EP 02002736 A 20020207; AT 02002736 T 20020207; DE 10113998 A 20010322; DE 50206517 T 20020207