Global Patent Index - EP 0972649 A2

EP 0972649 A2 2000-01-19 - Laminated sheet with security marking, and method for making such a sheet

Title (en)

Laminated sheet with security marking, and method for making such a sheet

Title (de)

Mehrschichtiges Blattmaterial mit Sicherheitskennzeichen und Verfahren zur Herstellung

Title (fr)

Feuille stratifiée avec marquage de sécurité, et procédé pour fabriquer une telle feuille

Publication

EP 0972649 A2 (DE)

Application

EP 99113215 A

Priority

DE 19832003 A

Abstract (en)

Multilayer sheet material with security marks comprises a sheet of base material and a heat-sensitive layer and has at least one pressure-sensitive layer which produces visible markings when subjected to pressure. An Independent claim is also included for a process for the production of this material, in which the base material is first provided with a heat-sensitive layer and then coated on the other side with a pressure-sensitive layer from a separately produced coating material.

Abstract (de)

Ein mehrschichtiges Blattmaterial mit Sicherheitskennzeichen, mit einem flächenförmigen Trägermaterial und einer wärmeempfindlichen Schicht, ist dadurch gekennzeichnet, daß mindestens eine druckempfindliche Schicht vorgesehen ist, die bei einer Druckeinwirkung sichtbare Markierungen ausbildet.

IPC 1-7 (main, further and additional classification)

B41M 3/14; B41M 5/124; B41M 5/30

IPC 8 full level (invention and additional information)

B41M 3/14 (2006.01); B41M 5/124 (2006.01); B41M 5/30 (2006.01); B44F 1/12 (2006.01)

CPC (invention and additional information)

B41M 5/124 (2013.01); B41M 3/14 (2013.01); B41M 5/30 (2013.01)

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

EP 0972649 A2 20000119; EP 0972649 A3 20010912; EP 0972649 B1 20031029; AT 252984 T 20031115; DE 19832003 A1 20000203; ES 2210909 T3 20040701