EP 0720641 B1 19980812 - LIQUID-CRYSTALLINE COMPOUNDS
Title (en)
LIQUID-CRYSTALLINE COMPOUNDS
Title (de)
FLÜSSIGKRISTALLINE VERBINDUNGEN
Title (fr)
COMPOSES DE CRISTAUX LIQUIDES
Publication
Application
Priority
- DE 4332733 A 19930925
- EP 9403069 W 19940914
Abstract (en)
[origin: US5804097A] PCT No. PCT/EP94/03069 Sec. 371 Date Aug. 22, 1996 Sec. 102(e) Date Aug. 22, 1996 PCT Filed Sep. 14, 1994 PCT Pub. No. WO95/08604 PCT Pub. Date Mar. 30, 1995Liquid-crystalline compounds of the formula IX(-Y-A-Y-M-Y-B)nI,where X is an aromatic or aliphatic ring system, n is an integer from 2 to 6, each Y, independently of the others, is a direct bond, -COO-, -OCO-, -O-, -CONH- or -CON(R)-, where R is C1- to C4-alkyl, A is a spacer, M is a mesogenic group and B is a side chain, are particularly suitable for use in displays or for the production of light-reflecting coatings.
IPC 1-7
C09K 19/20; C09K 19/30; C09K 19/34; C09K 19/04; C09K 19/46; C09K 19/42
IPC 8 full level
G02F 1/13 (2006.01); C07C 69/76 (2006.01); C07C 69/773 (2006.01); C07C 69/92 (2006.01); C07C 69/94 (2006.01); C07D 239/26 (2006.01); C07D 285/12 (2006.01); C09K 19/04 (2006.01); C09K 19/12 (2006.01); C09K 19/20 (2006.01); C09K 19/22 (2006.01); C09K 19/30 (2006.01); C09K 19/34 (2006.01); C09K 19/42 (2006.01); C09K 19/46 (2006.01)
CPC (source: EP KR US)
C07C 69/76 (2013.01 - EP US); C07C 69/92 (2013.01 - EP US); C07C 69/94 (2013.01 - EP US); C07D 239/26 (2013.01 - EP US); C07D 285/12 (2013.01 - EP US); C09K 19/04 (2013.01 - EP US); C09K 19/20 (2013.01 - KR); C09K 19/2007 (2013.01 - EP US); C09K 19/2014 (2013.01 - EP US); C09K 19/2028 (2013.01 - EP US); C09K 19/3068 (2013.01 - EP US); C09K 19/3458 (2013.01 - EP US); C09K 19/3497 (2013.01 - EP US); C09K 19/42 (2013.01 - EP US)
Designated contracting state (EPC)
CH DE FR GB LI NL
DOCDB simple family (publication)
US 5804097 A 19980908; CN 1134168 A 19961023; DE 4332733 A1 19950330; DE 59406690 D1 19980917; EP 0720641 A1 19960710; EP 0720641 B1 19980812; JP H09504788 A 19970513; KR 960704995 A 19961009; WO 9508604 A1 19950330
DOCDB simple family (application)
US 64813496 A 19960822; CN 94194026 A 19940914; DE 4332733 A 19930925; DE 59406690 T 19940914; EP 9403069 W 19940914; EP 94927612 A 19940914; JP 50954095 A 19940914; KR 19960701537 A 19960325