EP 2066839 A4 20120815 - PROCESS FOR IMPROVING WET STRENGTH AND PAPER PRODUCT WITH IMPROVED WET STRENGTH
Title (en)
PROCESS FOR IMPROVING WET STRENGTH AND PAPER PRODUCT WITH IMPROVED WET STRENGTH
Title (de)
VERFAHREN ZUR VERBESSERUNG DER NASSFESTIGKEIT UND PAPIERPRODUKT MIT VERBESSERTER NASSFESTIGKEIT
Title (fr)
PROCÉDÉ POUR AMÉLIORER LA RÉSISTANCE À L'ÉTAT HUMIDE ET PRODUIT À BASE DE PAPIER PRÉSENTANT UNE RÉSISTANCE À L'ÉTAT HUMIDE AMÉLIORÉE
Publication
Application
Priority
- FI 2007050408 W 20070703
- FI 20060664 A 20060707
Abstract (en)
[origin: WO2008003827A1] The invention relates to a process for improving the wet strength of a paper product and to a paper product with improved wet strength. In accordance with the invention, pigments of less than 200nm in size are used as the filler in the paper product.
IPC 8 full level
D21H 17/67 (2006.01); D21H 21/20 (2006.01)
CPC (source: EP FI)
D21H 17/67 (2013.01 - FI); D21H 21/20 (2013.01 - EP FI); D21H 17/675 (2013.01 - EP); D21H 21/52 (2013.01 - EP)
Citation (search report)
- [X] US 2005119391 A1 20050602 - MASON GEOFF [GB], et al
- [X] WO 0003092 A1 20000120 - VALMET CORP [FI], et al
- [X] US 2004166047 A1 20040826 - VOGELS CLAUDE [BE], et al
- [X] US 2004161594 A1 20040819 - JOYCE MARGARET K [US], et al
- [A] US 5718827 A 19980217 - RYDELL THEODORE B [US], et al
- [A] WO 9836127 A1 19980820 - CYTEC TECH CORP [US]
- See references of WO 2008003827A1
Citation (examination)
WO 2005005726 A1 20050120 - UPM KYMMENE CORP [FI], et al
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 LV MC MT NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2008003827 A1 20080110; EP 2066839 A1 20090610; EP 2066839 A4 20120815; FI 123480 B 20130531; FI 20060664 A0 20060707; FI 20060664 A 20080108
DOCDB simple family (application)
FI 2007050408 W 20070703; EP 07788783 A 20070703; FI 20060664 A 20060707