EP 1015525 A1 20000705 - DYES WITH OPTICALLY VARIABLE PROPERTIES
Title (en)
DYES WITH OPTICALLY VARIABLE PROPERTIES
Title (de)
FARBMITTEL MIT OPTISCH VARIABLEN EIGENSCHAFTEN
Title (fr)
COLORANTS A PROPRIETES OPTIQUEMENT VARIABLES
Publication
Application
Priority
- DE 19738642 A 19970904
- EP 9805350 W 19980824
Abstract (en)
[origin: DE19738642A1] The present invention relates to cross-linkable liquid crystal compounds containing at least one spacer, at least one mesogenic group and at least one chiral residue of the formula (1), wherein said compounds may be used as dyes having optically variable properties.
IPC 1-7
IPC 8 full level
C07C 69/773 (2006.01); C09D 5/36 (2006.01); C09K 19/00 (2006.01); C09K 19/30 (2006.01); C09K 19/50 (2006.01); C09K 19/58 (2006.01)
CPC (source: EP)
C09D 5/36 (2013.01); C09K 19/00 (2013.01); C09K 19/30 (2013.01); C09K 19/586 (2013.01)
Citation (search report)
See references of WO 9911734A1
Designated contracting state (EPC)
CH DE ES FR GB IT LI
DOCDB simple family (publication)
DE 19738642 A1 19990311; EP 1015525 A1 20000705; JP 2001515095 A 20010918; WO 9911734 A1 19990311
DOCDB simple family (application)
DE 19738642 A 19970904; EP 9805350 W 19980824; EP 98946414 A 19980824; JP 2000508751 A 19980824