EP 1586704 A1 20051019 - Use of ultrafine calcium carbonate particles in papermaking
Title (en)
Use of ultrafine calcium carbonate particles in papermaking
Title (de)
Verwendung von ultrafeine Kalziumkarbonatpartikeln zur Papierherstellung
Title (fr)
L'utilisation de particules ultrafine de carbonate de calcium pour la fabrication du papier
Publication
Application
Priority
EP 04101574 A 20040416
Abstract (en)
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 1-7
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)
- [A] US 5312484 A 19940517 - KALISKI ADAM F [US]
- [A] WO 0249765 A2 20020627 - COATEX SAS [FR], et al
- [A] US 6270626 B1 20010807 - HRUSCHKA HERBERT [CH]
- [A] US 5116418 A 19920526 - KALISKI ADAM F [US]
- [A] EP 0703193 A2 19960327 - MINERALS TECH INC [US]
- [A] US 5798173 A 19980825 - MOMMA KENJI [JP], et al
- [A] US 4793985 A 19881227 - PRICE CHARLES R [US], et al
- [A] EP 1099795 A1 20010516 - AKZO NOBEL NV [NL]
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI 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