Title:
SMECTIC LIQUID CRYSTAL PHASES
Document Type and Number:
WIPO Patent Application WO1987005013
Kind Code:
A3
Abstract:
PCT No. PCT/EP87/00055 Sec. 371 Date Oct. 9, 1987 Sec. 102(e) Date Oct. 9, 1987 PCT Filed Feb. 5, 1987 PCT Pub. No. WO87/05013 PCT Pub. Date Aug. 27, 1987.Compounds of the formula I I wherein R1 and R2 each independently of one another are R, OR, OCOR, COOR or OCOOR, is alkyl with 1 to 15 C atoms, wherein one or more CH2 groups which are not adjacent and are not linked by O can also be replaced by -O-, -CO-, -O-CO-, -CO-O-, -CH-halogen, -CHCN- and/or -CH=CH-, A1, A2 and A3 each independently of one another are 1,4-phenylene or trans-1,4-cyclohexylene, m, n and o are each 0 or 1, m+n+o is 0, 1 or 2, Z1 and Z2 each independently of one another are -CH2-O-, -OCH2-, -CH2CH2- or a single bond and X is F, Cl, Br, I or CN, with the provisos given in claim 1, can be used as components of ferroelectric liquid crystal phases.
Inventors:
KRAUSE JOACHIM (DE)
REIFFENRATH VOLKER (DE)
GEELHAAR THOMAS (DE)
REIFFENRATH VOLKER (DE)
GEELHAAR THOMAS (DE)
Application Number:
PCT/EP1987/000055
Publication Date:
January 14, 1988
Filing Date:
February 05, 1987
Export Citation:
Assignee:
MERCK PATENT GMBH (DE)
KRAUSE JOACHIM (DE)
REIFFENRATH VOLKER (DE)
GEELHAAR THOMAS (DE)
KRAUSE JOACHIM (DE)
REIFFENRATH VOLKER (DE)
GEELHAAR THOMAS (DE)
International Classes:
G02F1/13; C07C67/00; C07C69/76; C07C69/90; C07C69/92; C07C69/94; C07C69/96; C07C253/00; C07C255/51; C09K19/08; C09K19/20; C09K19/30; C09K19/46; (IPC1-7): C07C69/76; C09K19/20; C09K19/30
Foreign References:
| FR2309509A1 | 1976-11-26 |
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