EP 2491177 A1 20120829 - PROCESS FOR FABRICATING PAPER, PAPERBOARD AND CARDBOARD WITH HIGH WET STRENGTH
Title (en)
PROCESS FOR FABRICATING PAPER, PAPERBOARD AND CARDBOARD WITH HIGH WET STRENGTH
Title (de)
VERFAHREN ZUR HERSTELLUNG VON PAPIER, PAPPE UND KARTON MIT HOHER TROCKENFESTIGKEIT
Title (fr)
PROCÉDÉ DE FABRICATION DE PAPIER, CARTON SOUPLE ET CARTON AVEC UNE GRANDE RÉSISTANCE À SEC
Publication
Application
Priority
- EP 09173497 A 20091020
- EP 2010065375 W 20101014
- EP 10765625 A 20101014
Abstract (en)
[origin: WO2011048000A1] The invention relates to a method for producing paper, paperboard, and cardboard having high dry strength by adding an aqueous composition from a nanocellulose and at least one polymerisate, selected from the group of anionic polymerisates and water-soluble cationic polymerisates, dewatering the paper material and drying the paper products.
IPC 8 full level
D21H 17/37 (2006.01); D21H 17/42 (2006.01); D21H 17/44 (2006.01); D21H 21/18 (2006.01)
CPC (source: EP US)
D21H 17/37 (2013.01 - EP US); D21H 17/42 (2013.01 - EP US); D21H 17/44 (2013.01 - EP US); D21H 21/18 (2013.01 - EP US)
Citation (search report)
See references of WO 2011048000A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
WO 2011048000 A1 20110428; BR 112012009141 A2 20160830; BR 112012009141 B1 20201013; CA 2777115 A1 20110428; CA 2777115 C 20180612; CN 102666984 A 20120912; EP 2491177 A1 20120829; EP 2491177 B1 20200219; JP 2013508568 A 20130307; US 2012205065 A1 20120816; US 2014102649 A1 20140417; US 8647470 B2 20140211; US 9206551 B2 20151208
DOCDB simple family (application)
EP 2010065375 W 20101014; BR 112012009141 A 20101014; CA 2777115 A 20101014; CN 201080058194 A 20101014; EP 10765625 A 20101014; JP 2012534627 A 20101014; US 201013502885 A 20101014; US 201314105259 A 20131213