EP 4034389 A1 20220803 - HEAT-SENSITIVE RECORDING MATERIAL COMPRISING PHENOL-FREE ORGANIC COLOUR DEVELOPERS
Title (en)
HEAT-SENSITIVE RECORDING MATERIAL COMPRISING PHENOL-FREE ORGANIC COLOUR DEVELOPERS
Title (de)
WÄRMEEMPFINDLICHES AUFZEICHNUNGSMATERIAL, UMFASSEND PHENOLFREIE ORGANISCHE FARBENTWICKLER
Title (fr)
MATÉRIAU D'ENREGISTREMENT THERMOSENSIBLE COMPRENANT DES RÉVÉLATEURS CHROMATIQUES ORGANIQUES EXEMPTS DE PHÉNOL
Publication
Application
Priority
- DE 102019126220 A 20190927
- EP 2020076757 W 20200924
Abstract (en)
[origin: WO2021058661A1] The invention relates to a heat-sensitive recording material comprising phenol-free organic colour developers, in particular comprising a colour developer mixture comprising phenol-free organic colour developers, a heat-sensitive recording layer and a coating composition for the production thereof. The invention also relates to the use of the heat-sensitive recording material, to the use of an organic colour developer of formula I for improving the durability of the printed image of a heat-sensitive recording material and to a method for producing a heat-sensitive recording material.
IPC 8 full level
B41M 5/333 (2006.01); B41M 5/323 (2006.01); B41M 5/327 (2006.01); B41M 5/337 (2006.01); B41M 5/42 (2006.01)
CPC (source: EP KR US)
B41M 5/323 (2013.01 - KR); B41M 5/327 (2013.01 - KR); B41M 5/3275 (2013.01 - KR); B41M 5/3333 (2013.01 - EP KR US); B41M 5/3375 (2013.01 - KR); B41M 5/42 (2013.01 - KR); B41M 5/323 (2013.01 - EP); B41M 5/327 (2013.01 - EP); B41M 5/3275 (2013.01 - EP US); B41M 5/3372 (2013.01 - EP US); B41M 5/3375 (2013.01 - EP US); B41M 5/42 (2013.01 - EP US); B41M 2205/04 (2013.01 - EP KR US); B41M 2205/38 (2013.01 - EP KR US); B41M 2205/40 (2013.01 - EP KR 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 RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
WO 2021058661 A1 20210401; DE 102019126220 A1 20210401; DE 202020005616 U1 20211025; EP 4034389 A1 20220803; KR 20220070021 A 20220527; US 2022363924 A1 20221117
DOCDB simple family (application)
EP 2020076757 W 20200924; DE 102019126220 A 20190927; DE 202020005616 U 20200924; EP 20780671 A 20200924; KR 20227014188 A 20200924; US 202017763872 A 20200924