EP 1228163 A1 20020807 - ESTER COMPOUNDS AND THEIR USE IN LIQUID CRYSTALLINE MEDIA
Title (en)
ESTER COMPOUNDS AND THEIR USE IN LIQUID CRYSTALLINE MEDIA
Title (de)
ESTERVERBINDUNGEN UND DEREN VERWENDUNG IN FLÜSSIGKRISTALLINEN MEDIEN
Title (fr)
COMPOSES ESTER ET LEUR UTILISATION DANS DES MILIEUX A CRISTAUX LIQUIDES
Publication
Application
Priority
- DE 19949333 A 19991013
- EP 0009287 W 20000922
Abstract (en)
[origin: DE19949333A1] The invention relates to compounds of formula (I) and to a liquid crystalline medium based on a mixture of polar compounds with positive dielectric anisotropy. The mixture is characterized in that it contains one or more compounds of general formula (I), wherein R, A<1>, A<2>, Z<1>, Y, Z, L<1>, L<2> and m have the meanings cited in Claim No. 1.
IPC 1-7
IPC 8 full level
C07C 43/23 (2006.01); C07C 69/75 (2006.01); C07C 69/753 (2006.01); C07D 319/06 (2006.01); C09K 19/20 (2006.01); C09K 19/30 (2006.01); C09K 19/32 (2006.01); C09K 19/34 (2006.01); C09K 19/42 (2006.01); C09K 19/46 (2006.01); G02F 1/13 (2006.01)
CPC (source: EP KR US)
C09K 19/3001 (2013.01 - EP KR US); C09K 19/3068 (2013.01 - EP KR US); C09K 19/42 (2013.01 - EP US); C09K 19/46 (2013.01 - EP KR US); C09K 2323/00 (2020.08 - EP US)
Citation (search report)
See references of WO 0127221A1
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)
DE 19949333 A1 20010419; AU 7780400 A 20010423; EP 1228163 A1 20020807; JP 2003511544 A 20030325; KR 20020042861 A 20020607; US 7074462 B1 20060711; WO 0127221 A1 20010419
DOCDB simple family (application)
DE 19949333 A 19991013; AU 7780400 A 20000922; EP 0009287 W 20000922; EP 00967750 A 20000922; JP 2001530427 A 20000922; KR 20027004469 A 20020406; US 11072002 A 20020415