EP 2412870 B1 20130417 - Composition and process for whitening paper
Title (en)
Composition and process for whitening paper
Title (de)
Zusammensetzung und Verfahren zur Papierbleichung
Title (fr)
Composition et processus pour papier blanchi
Publication
Application
Priority
EP 10171451 A 20100730
Abstract (en)
[origin: EP2412870A1] The invention relates to a composition suitable for surface treatment of paper, wherein the composition contains a specified fluorescent whitening agent with a combination of specific terminal groups, a salt of a bivalent cation, and a carrier. The composition is used for whitening paper, in particular in the size press.
IPC 8 full level
D21H 17/07 (2006.01); C07D 251/00 (2006.01); C09K 11/06 (2006.01); D21H 17/09 (2006.01); D21H 17/51 (2006.01); D21H 21/30 (2006.01)
CPC (source: EP US)
D21H 17/07 (2013.01 - EP US); D21H 17/09 (2013.01 - EP US); D21H 17/51 (2013.01 - EP US); D21H 21/30 (2013.01 - EP US)
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 SE SI SK SM TR
DOCDB simple family (publication)
EP 2412870 A1 20120201; EP 2412870 B1 20130417; BR 112013002342 A2 20160524; CA 2802544 A1 20120202; US 2013126117 A1 20130523; WO 2012013513 A1 20120202
DOCDB simple family (application)
EP 10171451 A 20100730; BR 112013002342 A 20110714; CA 2802544 A 20110714; EP 2011062081 W 20110714; US 201113813160 A 20110714