FR2181943B1 - - Google Patents
Info
- Publication number
- FR2181943B1 FR2181943B1 FR7314520A FR7314520A FR2181943B1 FR 2181943 B1 FR2181943 B1 FR 2181943B1 FR 7314520 A FR7314520 A FR 7314520A FR 7314520 A FR7314520 A FR 7314520A FR 2181943 B1 FR2181943 B1 FR 2181943B1
- 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.)
- Expired
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 FR2181943A1 (ko) | 1973-12-07 |
FR2181943B1 true FR2181943B1 (ko) | 1975-08-22 |
Family
ID=22935371
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7314520A Expired FR2181943B1 (ko) | 1972-04-26 | 1973-04-20 |
Country Status (3)
Country | Link |
---|---|
CA (1) | CA997134A (ko) |
FR (1) | FR2181943B1 (ko) |
GB (1) | GB1432692A (ko) |
Families Citing this family (12)
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 |
US4147651A (en) * | 1974-09-03 | 1979-04-03 | Beckman Instruments, Inc. | Biphenyl based liquid crystal compositions |
US3984344A (en) * | 1975-04-30 | 1976-10-05 | General Electric Company | Positive dielectric anisotropy liquid crystal compositions |
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 |
DE2967129D1 (en) * | 1979-05-28 | 1984-08-30 | Merck Patent Gmbh | Liquid-crystal compositions |
US4399298A (en) * | 1980-02-15 | 1983-08-16 | Chisso Corporation | Carboxylic acid ester derivatives of 4-fluorophenol |
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 |
US4659501A (en) * | 1984-01-30 | 1987-04-21 | Chisso Corporation | 2-cyano-4-halogenophenyl substituted-benzoates |
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 |
FR2604440B1 (fr) * | 1986-09-30 | 1988-11-10 | Thomson Csf | Polymeres mesomorphes a chaines laterales derives du 1-(phenyl)-2-(4-cyanophenyl) ethane |
-
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
Also Published As
Publication number | Publication date |
---|---|
CA997134A (en) | 1976-09-21 |
GB1432692A (en) | 1976-04-22 |
FR2181943A1 (ko) | 1973-12-07 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |