EP 1549501 B1 20080521 - SECURITY ELEMENT
Title (en)
SECURITY ELEMENT
Title (de)
SICHERHEITSELEMENT
Title (fr)
ELEMENT DE SECURITE
Publication
Application
Priority
- DE 10243650 A 20020919
- EP 0310426 W 20030918
Abstract (en)
[origin: US7054043B2] The invention relates to an object of value with a security element having at least a first and a second liquid-crystalline material, the first material having thermochromic properties and the second material an optically variable effect.
IPC 8 full level
B42D 15/00 (2006.01); B42D 15/10 (2006.01)
CPC (source: EP US)
B42D 25/29 (2014.10 - EP US); B42D 25/355 (2014.10 - EP US); B42D 25/364 (2014.10 - US); B42D 25/391 (2014.10 - EP US); B42D 2033/26 (2022.01 - EP); B42D 2035/20 (2022.01 - EP); B42D 2035/34 (2022.01 - EP); Y10S 359/90 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2004028824 A2 20040408; WO 2004028824 A3 20040805; AT E396060 T1 20080615; AU 2003270224 A1 20040419; CA 2499279 A1 20040408; CA 2499279 C 20110802; CN 100532123 C 20090826; CN 1688452 A 20051026; DE 10243650 A1 20040401; DE 50309894 D1 20080703; EP 1549501 A2 20050706; EP 1549501 B1 20080521; ES 2305489 T3 20081101; JP 2005538878 A 20051222; JP 4750417 B2 20110817; PL 205932 B1 20100630; PL 374606 A1 20051031; RU 2005111603 A 20061027; RU 2322358 C2 20080420; US 2006023132 A1 20060202; US 7054043 B2 20060530
DOCDB simple family (application)
EP 0310426 W 20030918; AT 03750579 T 20030918; AU 2003270224 A 20030918; CA 2499279 A 20030918; CN 03821874 A 20030918; DE 10243650 A 20020919; DE 50309894 T 20030918; EP 03750579 A 20030918; ES 03750579 T 20030918; JP 2004538950 A 20030918; PL 37460603 A 20030918; RU 2005111603 A 20030918; US 52842505 A 20050318