EP 1194647 A1 20020410 - COLORANT APPLICATION ON THE WET END OF A PAPER MACHINE
Title (en)
COLORANT APPLICATION ON THE WET END OF A PAPER MACHINE
Title (de)
FARBAUFBRINGUNG AM NASSEN ENDE EINER PAPIERMASCHINE
Title (fr)
APPLICATION DE COLORANTS DANS LA PARTIE HUMIDE D'UNE MACHINE A PAPIER
Publication
Application
Priority
- US 9923190 W 19991005
- US 17329398 A 19981014
Abstract (en)
[origin: WO0022232A1] A method for preparing a colored paper which comprises: flocculating a dispersion of pigment in the absence of fiber to obtain a slurry of the flocculated pigment, combining the slurry of flocculated pigment with paper fibers, and forming a sheet from the flocculated pigment and fiber on the wet end of a paper machine.
IPC 1-7
IPC 8 full level
D21H 21/28 (2006.01); D21H 17/67 (2006.01); D21H 23/04 (2006.01)
CPC (source: EP)
D21H 21/28 (2013.01); D21H 17/675 (2013.01); D21H 23/04 (2013.01)
Citation (search report)
See references of WO 0022232A1
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 0022232 A1 20000420; AU 1442600 A 20000501; EP 1194647 A1 20020410
DOCDB simple family (application)
US 9923190 W 19991005; AU 1442600 A 19991005; EP 99970438 A 19991005