EP 0967084 A1 19991229 - Continuous or discrete sheet printing process for liquid crystals, thermochromic and/or photochromic materials
Title (en)
Continuous or discrete sheet printing process for liquid crystals, thermochromic and/or photochromic materials
Title (de)
Verfahren zum kontinuierlichen oder diskreten Bedrucken von Flüssigkristallen, thermochromischen und/oder photochromischen Materialien
Title (fr)
Procédé pour l'impression en continu ou discrète de cristaux liquides, matériau thermochromes et/ou photochromes
Publication
Application
Priority
IT MI981446 A 19980624
Abstract (en)
A continuous or discrete sheet printing process of dyestuffs is disclosed, said dyestuffs being selected from the group comprising liquid crystals, thermochromic and photochromic materials for displaying normally concealed wordings and/or figures and/or signs. The process is versatile in its various printing steps, the kind of dyestuff to be applied and the support to be printed. A label, card or sheet obtained by the process is also disclosed, for various applications of preservation, display of concealed messages, anticounterfeit, correct temperature for using products containing them and for promotional and advertising purposes.
IPC 1-7
IPC 8 full level
B41M 3/00 (2006.01); B41M 3/14 (2006.01); G09F 3/02 (2006.01); B41M 5/00 (2006.01)
CPC (source: EP)
B41M 3/006 (2013.01); B41M 3/14 (2013.01); B41M 3/144 (2013.01); G09F 3/0291 (2013.01); G09F 3/0294 (2013.01); B41M 5/00 (2013.01)
Citation (search report)
- [XD] IT 1243783 B 19940628 - LIZZARI ALBERTO ALESSANDRO
- [X] WO 9306942 A1 19930415 - WEBCRAFT TECHNOLOGIES INC [US]
- [XD] IT 1094343 B 19850726 - AVERY ETICHETTE ITALIA SPA [IT], et al
- [A] GB 1332185 A 19731003 - XEROX CORP
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
EP 0967084 A1 19991229; IT 1301796 B1 20000707; IT MI981446 A1 19991224
DOCDB simple family (application)
EP 99200063 A 19990112; IT MI981446 A 19980624