EP 1925459 A3 20090107 - Heat-sensitive recording material with authentification feature
Title (en)
Heat-sensitive recording material with authentification feature
Title (de)
Wärmeempfindliches Aufzeichnungsmaterial mit Authentifikationsmerkmal
Title (fr)
Matériel d'enregistrement sensible à la chaleur doté d'une marque d'authentification
Publication
Application
Priority
DE 102006056003 A 20061124
Abstract (en)
[origin: EP1925459A2] Heat sensitive recording material with authentication, comprises a substrate and a color former and color acceptors containing heat sensitive recording layer, where the recording material exhibits an additional layer with not colored as authentication, in water and/or in alcohol soluble solid particles, and the solid particles are reactive in an strong alkaline aqueous solution.
IPC 8 full level
B41M 5/337 (2006.01)
CPC (source: EP)
B41M 5/3375 (2013.01); B41M 5/42 (2013.01); B41M 5/3275 (2013.01); B41M 5/3333 (2013.01); B41M 5/423 (2013.01); B41M 5/426 (2013.01); B41M 2205/04 (2013.01); B41M 2205/38 (2013.01); B41M 2205/40 (2013.01)
Citation (search report)
- [A] EP 1041448 A1 20001004 - TOSHIBA KK [JP]
- [A] US 3916068 A 19751028 - KOHMURA ISAO, et al
- [A] JP H10109477 A 19980428 - NAIGAI CARBON INK
- [A] DE 19842867 A1 20000330 - STORA SPEZIALPAPIERE GMBH [DE]
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
Designated extension state (EPC)
AL BA HR MK RS
DOCDB simple family (publication)
EP 1925459 A2 20080528; EP 1925459 A3 20090107; EP 1925459 B1 20140312; DE 102006056003 A1 20080529; DE 102006056003 B4 20080814
DOCDB simple family (application)
EP 07121262 A 20071122; DE 102006056003 A 20061124