EP 1756363 A1 20070228 - USE OF CALCIUM CARBONATE PARTICLES IN PAPERMAKING
Title (en)
USE OF CALCIUM CARBONATE PARTICLES IN PAPERMAKING
Title (de)
VERWENDUNG VON CALCIUMCARBONATTEILCHEN BEI DER PAPIERHERSTELLUNG
Title (fr)
UTILISATION DE PARTICULES DE CARBONATE DE CALCIUM DANS LA PRODUCTION DE PAPIER
Publication
Application
Priority
- EP 2005051660 W 20050414
- EP 04101574 A 20040416
- EP 05733443 A 20050414
Abstract (en)
[origin: EP1586704A1] A process for the production of paper by introducing a suspension of ultrafine calcium carbonate particles to a fiber-containing suspension. A method for improving the dewatering of a paper-making suspension containing at least one cationic polymer.
IPC 8 full level
D21H 17/67 (2006.01); D21H 17/29 (2006.01); D21H 17/32 (2006.01); D21H 17/41 (2006.01); D21H 17/44 (2006.01); D21H 17/56 (2006.01); D21H 21/10 (2006.01); D21H 21/52 (2006.01); D21H 23/02 (2006.01)
CPC (source: EP)
D21H 17/675 (2013.01); D21H 17/29 (2013.01); D21H 17/32 (2013.01); D21H 17/41 (2013.01); D21H 17/44 (2013.01); D21H 17/56 (2013.01); D21H 21/10 (2013.01); D21H 21/52 (2013.01); D21H 23/02 (2013.01)
Citation (search report)
See references of WO 2005100690A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
EP 1586704 A1 20051019; EP 1756363 A1 20070228; WO 2005100690 A1 20051027
DOCDB simple family (application)
EP 04101574 A 20040416; EP 05733443 A 20050414; EP 2005051660 W 20050414