GB1432692A - Liquid crystals - Google Patents
Liquid crystalsInfo
- Publication number
- GB1432692A GB1432692A GB1991673A GB1991673A GB1432692A GB 1432692 A GB1432692 A GB 1432692A GB 1991673 A GB1991673 A GB 1991673A GB 1991673 A GB1991673 A GB 1991673A GB 1432692 A GB1432692 A GB 1432692A
- Authority
- GB
- United Kingdom
- Prior art keywords
- april
- halogen
- liquid crystals
- phenyl
- comptroller
- Prior art date
- 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
- 239000004973 liquid crystal related substance Substances 0.000 title 1
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 abstract 2
- 229910052736 halogen Inorganic materials 0.000 abstract 2
- 150000002367 halogens Chemical class 0.000 abstract 2
- 239000004988 Nematic liquid crystal Substances 0.000 abstract 1
- 125000003342 alkenyl group Chemical group 0.000 abstract 1
- 125000000217 alkyl group Chemical group 0.000 abstract 1
- PASDCCFISLVPSO-UHFFFAOYSA-N benzoyl chloride Chemical compound ClC(=O)C1=CC=CC=C1 PASDCCFISLVPSO-UHFFFAOYSA-N 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- GJLNWLVPAHNBQN-UHFFFAOYSA-N phenyl 4-hydroxybenzoate Chemical compound C1=CC(O)=CC=C1C(=O)OC1=CC=CC=C1 GJLNWLVPAHNBQN-UHFFFAOYSA-N 0.000 abstract 1
- 150000001564 phenyl benzoates Chemical class 0.000 abstract 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 abstract 1
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 (1)
| Publication Number | Publication Date |
|---|---|
| GB1432692A true GB1432692A (en) | 1976-04-22 |
Family
ID=22935371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1991673A Expired GB1432692A (en) | 1972-04-26 | 1973-04-26 | Liquid crystals |
Country Status (3)
| Country | Link |
|---|---|
| CA (1) | CA997134A (enrdf_load_stackoverflow) |
| FR (1) | FR2181943B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1432692A (enrdf_load_stackoverflow) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0050023A1 (en) * | 1980-10-13 | 1982-04-21 | The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and | Liquid crystal devices |
| US4621901A (en) * | 1984-07-12 | 1986-11-11 | Hoffmann-La Roche Inc. | Novel liquid crystal mixtures |
| US4659501A (en) * | 1984-01-30 | 1987-04-21 | Chisso Corporation | 2-cyano-4-halogenophenyl substituted-benzoates |
| US4676604A (en) * | 1983-03-16 | 1987-06-30 | Hoffmann-La Roche Inc. | Liquid crystals |
| US5238602A (en) * | 1984-07-16 | 1993-08-24 | Hoffmann La Roche Inc. | Liquid crystals |
Families Citing this family (7)
| 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 |
| EP0019665B2 (de) * | 1979-05-28 | 1987-12-16 | MERCK PATENT GmbH | Flüssigkristalline Verbindungen |
| US4399298A (en) * | 1980-02-15 | 1983-08-16 | Chisso Corporation | Carboxylic acid ester derivatives of 4-fluorophenol |
| 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
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0050023A1 (en) * | 1980-10-13 | 1982-04-21 | The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and | Liquid crystal devices |
| US4566759A (en) * | 1980-10-13 | 1986-01-28 | The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland | Laterally fluorinated liquid crystal materials and frequency change devices |
| US4676604A (en) * | 1983-03-16 | 1987-06-30 | Hoffmann-La Roche Inc. | Liquid crystals |
| US5013478A (en) * | 1983-03-16 | 1991-05-07 | Hoffmann-La Roche Inc. | Liquid crystals |
| US4659501A (en) * | 1984-01-30 | 1987-04-21 | Chisso Corporation | 2-cyano-4-halogenophenyl substituted-benzoates |
| US4621901A (en) * | 1984-07-12 | 1986-11-11 | Hoffmann-La Roche Inc. | Novel liquid crystal mixtures |
| US4709030A (en) * | 1984-07-12 | 1987-11-24 | Hoffmann-La Roche Inc. | Novel liquid crystal mixtures |
| US5238602A (en) * | 1984-07-16 | 1993-08-24 | Hoffmann La Roche Inc. | Liquid crystals |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2181943B1 (enrdf_load_stackoverflow) | 1975-08-22 |
| FR2181943A1 (enrdf_load_stackoverflow) | 1973-12-07 |
| CA997134A (en) | 1976-09-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |