Global Patent Index - EP 2716466 B1

EP 2716466 B1 20160914 - THERMAL RECORDING MATERIAL CONTAINING STILBENE DISULPHONIC ACID FLUORESCENT WHITENING AGENT

Title (en)

THERMAL RECORDING MATERIAL CONTAINING STILBENE DISULPHONIC ACID FLUORESCENT WHITENING AGENT

Title (de)

WÄRMEAUFZEICHNUNGSMATERIAL MIT FLUORESZIERENDEM STILBENDISULFONSÄURE-BLEICHMITTEL

Title (fr)

MATÉRIAU D'ENREGISTREMENT THERMIQUE CONTENANT UN AGENT DE BLANCHIMENT FLUORESCENT À BASE D'ACIDE DISULFONIQUE DU STILBÈNE

Publication

EP 2716466 B1 20160914 (EN)

Application

EP 12306219 A 20121005

Priority

EP 12306219 A 20121005

Abstract (en)

[origin: EP2716466A1] The present invention describes a coating composition comprising: - polyvinyl alcohol; and - a bis[triazinyl-amino]-stilbene disulphonic fluorescent whitening agent, wherein the amount of dry mass of fluorescent whitening agent is 1.5 to 150 parts by mass relative to 100 parts by mass of dry polyvinyl alcohol. The coating composition can be used to prepare protective layers (overlayers) of thermal recording materials.

IPC 8 full level

B41M 5/42 (2006.01); C07D 251/68 (2006.01)

CPC (source: EP)

B41M 5/42 (2013.01); B41M 5/423 (2013.01); B41M 5/44 (2013.01); B41M 2205/04 (2013.01); B41M 2205/40 (2013.01)

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)

EP 2716466 A1 20140409; EP 2716466 B1 20160914

DOCDB simple family (application)

EP 12306219 A 20121005