FR2181943A1 - - Google Patents
Info
- Publication number
- FR2181943A1 FR2181943A1 FR7314520A FR7314520A FR2181943A1 FR 2181943 A1 FR2181943 A1 FR 2181943A1 FR 7314520 A FR7314520 A FR 7314520A FR 7314520 A FR7314520 A FR 7314520A FR 2181943 A1 FR2181943 A1 FR 2181943A1
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K19/00—Liquid crystal materials
- C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
- C09K19/06—Non-steroidal liquid crystal compounds
- C09K19/08—Non-steroidal liquid crystal compounds containing at least two non-condensed rings
- C09K19/10—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings
- C09K19/20—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings linked by a chain containing carbon and oxygen atoms as chain links, e.g. esters or ethers
- C09K19/2007—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings linked by a chain containing carbon and oxygen atoms as chain links, e.g. esters or ethers the chain containing -COO- or -OCO- groups
Landscapes
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US24756372A | 1972-04-26 | 1972-04-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2181943A1 true FR2181943A1 (de) | 1973-12-07 |
FR2181943B1 FR2181943B1 (de) | 1975-08-22 |
Family
ID=22935371
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7314520A Expired FR2181943B1 (de) | 1972-04-26 | 1973-04-20 |
Country Status (3)
Country | Link |
---|---|
CA (1) | CA997134A (de) |
FR (1) | FR2181943B1 (de) |
GB (1) | GB1432692A (de) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3984344A (en) * | 1975-04-30 | 1976-10-05 | General Electric Company | Positive dielectric anisotropy liquid crystal compositions |
US4001137A (en) * | 1971-08-07 | 1977-01-04 | Merck Patent Gesellschaft Mit Beschrankter Haftung | Nematic compounds and mixtures |
US4083797A (en) * | 1974-09-03 | 1978-04-11 | Beckman Instruments, Inc. | Nematic liquid crystal compositions |
EP0011002A1 (de) * | 1978-10-27 | 1980-05-14 | Thomson-Csf | Organische mesomorphe Verbindung, deren chemische Formel sich von einer 4-Alkoxyltetrafluorbenzoesäure ableitet, und eine solche Verbindung verwendende Flüssigkeitskristallvorrichtung |
EP0019665A1 (de) * | 1979-05-28 | 1980-12-10 | MERCK PATENT GmbH | Flüssigkristalline Verbindungen |
EP0034350A1 (de) * | 1980-02-15 | 1981-08-26 | Chisso Corporation | Esterderivate des 4-Fluorophenols und sie enthaltende Flüssigkristallzusammensetzungen |
EP0152014A2 (de) * | 1984-01-30 | 1985-08-21 | Chisso Corporation | Substituierte 2-Cyano-4-halogenophenyl-benzoate und sie enthaltende flüssigkristalline Zusammensetzungen |
FR2604440A1 (fr) * | 1986-09-30 | 1988-04-01 | Thomson Csf | Polymeres mesomorphes a chaines laterales derives du 1-(phenyl)-2-(4-cyanophenyl) ethane |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2085910B (en) * | 1980-10-13 | 1985-05-22 | Secr Defence | A liquid crystal composition comprising a mixture of diester(s) and cyclohexane derivative(s) |
DE3465192D1 (en) * | 1983-03-16 | 1987-09-10 | Hoffmann La Roche | Liquid crystal components having an alkenyl chain |
DE3575158D1 (de) * | 1984-07-12 | 1990-02-08 | Hoffmann La Roche | Fluessigkristalline gemische enthaltend komponenten mit einer 4-alkenyl- oder 2z-alkenyl-seitenkette. |
US5238602A (en) * | 1984-07-16 | 1993-08-24 | Hoffmann La Roche Inc. | Liquid crystals |
-
1973
- 1973-03-05 CA CA165,270A patent/CA997134A/en not_active Expired
- 1973-04-20 FR FR7314520A patent/FR2181943B1/fr not_active Expired
- 1973-04-26 GB GB1991673A patent/GB1432692A/en not_active Expired
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4001137A (en) * | 1971-08-07 | 1977-01-04 | Merck Patent Gesellschaft Mit Beschrankter Haftung | Nematic compounds and mixtures |
US4083797A (en) * | 1974-09-03 | 1978-04-11 | Beckman Instruments, Inc. | Nematic liquid crystal compositions |
US3984344A (en) * | 1975-04-30 | 1976-10-05 | General Electric Company | Positive dielectric anisotropy liquid crystal compositions |
EP0011002A1 (de) * | 1978-10-27 | 1980-05-14 | Thomson-Csf | Organische mesomorphe Verbindung, deren chemische Formel sich von einer 4-Alkoxyltetrafluorbenzoesäure ableitet, und eine solche Verbindung verwendende Flüssigkeitskristallvorrichtung |
FR2439765A1 (fr) * | 1978-10-27 | 1980-05-23 | Thomson Csf | Compose organique mesomorphe dont la formule chimique derive d'un acide alcoxy-4 tetrafluorobenzoique, et dispositif a cristal liquide utilisant un tel compose |
EP0019665A1 (de) * | 1979-05-28 | 1980-12-10 | MERCK PATENT GmbH | Flüssigkristalline Verbindungen |
EP0034350A1 (de) * | 1980-02-15 | 1981-08-26 | Chisso Corporation | Esterderivate des 4-Fluorophenols und sie enthaltende Flüssigkristallzusammensetzungen |
EP0152014A2 (de) * | 1984-01-30 | 1985-08-21 | Chisso Corporation | Substituierte 2-Cyano-4-halogenophenyl-benzoate und sie enthaltende flüssigkristalline Zusammensetzungen |
EP0152014A3 (en) * | 1984-01-30 | 1985-10-02 | Chisso Corporation | 2-cyano-4-halogenophenyl substituted-benzoates and liquid crystal compositions containing them |
US4659501A (en) * | 1984-01-30 | 1987-04-21 | Chisso Corporation | 2-cyano-4-halogenophenyl substituted-benzoates |
FR2604440A1 (fr) * | 1986-09-30 | 1988-04-01 | Thomson Csf | Polymeres mesomorphes a chaines laterales derives du 1-(phenyl)-2-(4-cyanophenyl) ethane |
EP0263022A1 (de) * | 1986-09-30 | 1988-04-06 | Thomson-Csf | Seitenketten enthaltende mesomorphe Polymere aus 1-(Phenyl)-2-(4-Cyanophenyl)Ethan |
US4824923A (en) * | 1986-09-30 | 1989-04-25 | Thomson Csf | Side-chain mesomorphic polymers derived from 1-(phenyl)-2-(4-cyanophenyl)-ethane |
Also Published As
Publication number | Publication date |
---|---|
GB1432692A (en) | 1976-04-22 |
CA997134A (en) | 1976-09-21 |
FR2181943B1 (de) | 1975-08-22 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |