HK184A - Cyclohexyl-pyrimidine nitriles,useful in liquid crystal mixtures and display devices - Google Patents
Cyclohexyl-pyrimidine nitriles,useful in liquid crystal mixtures and display devicesInfo
- Publication number
- HK184A HK184A HK1/84A HK184A HK184A HK 184 A HK184 A HK 184A HK 1/84 A HK1/84 A HK 1/84A HK 184 A HK184 A HK 184A HK 184 A HK184 A HK 184A
- Authority
- HK
- Hong Kong
- Prior art keywords
- nitriles
- pyrimidine
- cyclohexyl
- useful
- liquid crystal
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
- C07D239/02—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
- C07D239/24—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
- C07D239/26—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
-
- 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
- C09K19/34—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring
- C09K19/3441—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring having nitrogen as hetero atom
- C09K19/345—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring having nitrogen as hetero atom the heterocyclic ring being a six-membered aromatic ring containing two nitrogen atoms
- C09K19/3458—Uncondensed pyrimidines
- C09K19/3469—Pyrimidine with a specific end-group other than alkyl, alkoxy or -C*-
-
- 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
- C09K19/52—Liquid crystal materials characterised by components which are not liquid crystals, e.g. additives with special physical aspect: solvents, solid particles
- C09K19/60—Pleochroic dyes
- C09K19/601—Azoic
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Liquid Crystal Substances (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH110279 | 1979-02-05 | ||
CH599679 | 1979-06-27 | ||
CH1012679 | 1979-11-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
HK184A true HK184A (en) | 1984-01-13 |
Family
ID=27172697
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK1/84A HK184A (en) | 1979-02-05 | 1984-01-05 | Cyclohexyl-pyrimidine nitriles,useful in liquid crystal mixtures and display devices |
Country Status (9)
Country | Link |
---|---|
US (2) | US4273929A (en) |
EP (1) | EP0014885B1 (en) |
KR (1) | KR840001440B1 (en) |
CA (1) | CA1120478A (en) |
DD (1) | DD151937A5 (en) |
DE (1) | DE3063719D1 (en) |
GB (1) | GB2042533B (en) |
HK (1) | HK184A (en) |
SG (1) | SG53383G (en) |
Families Citing this family (51)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4702561A (en) * | 1977-04-11 | 1987-10-27 | Minnesota Mining And Manufacturing Company | Pleochroic dyes and electro-optical displays therewith |
US4273929A (en) * | 1979-02-05 | 1981-06-16 | Hoffmann-La Roche Inc. | Heterocyclic compounds |
US4360447A (en) * | 1979-03-16 | 1982-11-23 | Mitsui Toatsu Chemicals, Inc. | Composition for liquid crystal color display elements |
CH642393A5 (en) | 1979-10-02 | 1984-04-13 | Ebauches Sa | LIQUID CRYSTAL COMPOSITION FOR ELECTRO-OPTICAL DEVICE. |
US4364838A (en) * | 1979-11-14 | 1982-12-21 | Hoffmann-La Roche Inc. | Liquid crystal mixtures |
DE2951099A1 (en) * | 1979-12-19 | 1981-06-25 | Merck Patent Gmbh, 6100 Darmstadt | TETRAHYDROCHINAZOLINE, METHOD FOR THE PRODUCTION THEREOF, THE LIQUID CRYSTALINE CONTAINING THEM AND ELECTRO-OPTICAL DISPLAY ELEMENT |
JPS56100885A (en) * | 1980-01-17 | 1981-08-13 | Mitsui Toatsu Chem Inc | Composition for liquid crystal color display |
DE3007198A1 (en) * | 1980-02-26 | 1981-09-03 | Siemens AG, 1000 Berlin und 8000 München | PLEOCHROITIC ANTHRACHINONE DYE, METHOD FOR THE PRODUCTION THEREOF AND USE OF THE DYE |
CH646452A5 (en) * | 1980-03-14 | 1984-11-30 | Asulab Sa | LIQUID CRYSTAL COMPOSITION FOR ELECTRO-OPTICAL DEVICE. |
EP0043904A3 (en) * | 1980-07-10 | 1982-03-31 | F. HOFFMANN-LA ROCHE & CO. Aktiengesellschaft | Mixtures containing a dyestuff, dyestuffs and their use in liquid crystal mixtures |
US4391489A (en) * | 1980-07-29 | 1983-07-05 | The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland | Liquid crystal materials containing pleochroic anthraquinone dyes |
US4405211A (en) * | 1980-07-29 | 1983-09-20 | The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland | Liquid crystal compositions with pleochroic anthraquinone dyes |
DE3036895C2 (en) * | 1980-09-30 | 1985-07-11 | Merck Patent Gmbh, 6100 Darmstadt | Anthraquinone pleochroism dye and manufacturing process for such a dye and its use in a liquid crystal mixture |
CH645102A5 (en) * | 1980-10-14 | 1984-09-14 | Hoffmann La Roche | DISUBSTITUTED PYRIMIDINE. |
DE3040102A1 (en) * | 1980-10-24 | 1982-06-03 | Merck Patent Gmbh, 6100 Darmstadt | DICHROITIC ANTHRACHINONE DYES, THIS CONTAINING LIQUID CRYSTALINE DIELECTRICS AND ELECTRO-OPTICAL DISPLAY ELEMENT |
US4325830A (en) * | 1980-12-24 | 1982-04-20 | Timex Corporation | Three ring dioxane liquid crystalline compounds |
US4452718A (en) * | 1981-07-31 | 1984-06-05 | Hoffmann-La Roche Inc. | Pyridazines |
CH651025A5 (en) * | 1982-05-14 | 1985-08-30 | Hoffmann La Roche | PYRIDAZINE AND THEIR USE AS COMPONENT LIQUID CRYSTALLINE MIXTURES. |
DD207308A3 (en) * | 1981-08-18 | 1984-02-22 | Dietrich Demus | APPLICATION OF NEW CRYSTALLINE FLUID NEMATIVE SUBSTANCES |
JPS5857489A (en) * | 1981-10-01 | 1983-04-05 | Alps Electric Co Ltd | Color liquid crystal composition |
US4401369A (en) * | 1981-10-19 | 1983-08-30 | Electronic Display Systems, Inc. | Class of dichroic dyes for use with liquid crystals |
US4411812A (en) * | 1981-11-12 | 1983-10-25 | General Electric Company | Dichroic liquid crystal compositions made with asymmetric tris-azo dyes |
US4528114A (en) * | 1981-12-18 | 1985-07-09 | Hoffmann-La Roche Inc. | Acetylenes |
US5227484A (en) * | 1982-01-14 | 1993-07-13 | Merck Patent Gmbh | Anisotropic compounds having nematic phase and liquid crystal mixtures |
DE3270906D1 (en) * | 1982-01-14 | 1986-06-05 | Merck Patent Gmbh | Liquid crystal mixtures |
JPS58186723A (en) * | 1982-04-26 | 1983-10-31 | Seiko Epson Corp | Liquid crystal display |
EP0099014A3 (en) * | 1982-07-16 | 1984-12-12 | Asulab S.A. | Dark coloured composition based on liquid crystals |
EP0107759B1 (en) * | 1982-08-26 | 1992-12-16 | MERCK PATENT GmbH | Cyclohexane derivatives and their use as components for liquid crystals |
JPS5939876A (en) * | 1982-08-26 | 1984-03-05 | Chisso Corp | Pyrimidine derivative |
EP0110205B1 (en) * | 1982-11-29 | 1987-12-09 | F. HOFFMANN-LA ROCHE & CO. Aktiengesellschaft | Coloured liquid crystal mixtures containing phenyl ethanes |
DE3247896A1 (en) * | 1982-12-24 | 1984-06-28 | Merck Patent Gmbh, 6100 Darmstadt | ANTHRACHINONE DYES |
JPS59161348A (en) * | 1983-03-02 | 1984-09-12 | Chisso Corp | Cyanotercyclohexane derivative |
US4565425A (en) * | 1983-03-16 | 1986-01-21 | Hoffmann-La Roche Inc. | Liquid crystals |
DE3465192D1 (en) * | 1983-03-16 | 1987-09-10 | Hoffmann La Roche | Liquid crystal components having an alkenyl chain |
US4581155A (en) * | 1983-03-31 | 1986-04-08 | Chisso Corporation | Halogenopyrimidine derivatives |
DE3315295A1 (en) * | 1983-04-27 | 1984-10-31 | Merck Patent Gmbh, 6100 Darmstadt | FLUORINE PYRIMID DERIVATIVES |
EP0136480B1 (en) * | 1983-08-22 | 1990-01-17 | Chisso Corporation | 2,3-dicyano-5-substituted pyrazines and liquid crystal composition containing them |
DE3332692A1 (en) * | 1983-09-10 | 1985-03-28 | Merck Patent Gmbh, 6100 Darmstadt | ANISOTROPE COMPOUNDS AND LIQUID CRYSTAL MIXTURES |
DE3401321A1 (en) * | 1984-01-17 | 1985-07-25 | Merck Patent Gmbh, 6100 Darmstadt | NITROGENIC HETEROCYCLES |
DE3404116A1 (en) * | 1984-02-07 | 1985-08-08 | Merck Patent Gmbh, 6100 Darmstadt | NITROGENIC HETEROCYCLES |
US4609485A (en) * | 1984-02-17 | 1986-09-02 | Chisso Corporation | Bipyrimidinyl derivatives |
DE3577211D1 (en) * | 1984-06-07 | 1990-05-23 | Seiko Instr Inc | LIQUID CRYSTAL CONNECTION. |
JPS61152659A (en) * | 1984-12-27 | 1986-07-11 | Chisso Corp | 1,4-dipyrimidinylbenzene derivative |
US4715984A (en) * | 1985-01-22 | 1987-12-29 | Merck Patent Gesellschaft Mit Beschrankter Haftung | Liquid-crystalline dihydroazines |
JPS61233689A (en) * | 1985-03-22 | 1986-10-17 | メルク・パテント・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | Heterocyclic boron compound |
US4874546A (en) * | 1985-05-15 | 1989-10-17 | Chisso Corporation | Phenylpyrimidinecarboxylate derivative |
JPS6210083A (en) * | 1985-07-04 | 1987-01-19 | Chisso Corp | Pyrimidinyldioxane derivative |
WO1987005018A2 (en) * | 1986-02-17 | 1987-08-27 | MERCK Patent Gesellschaft mit beschränkter Haftung | Optically active compounds |
JPS62234066A (en) * | 1986-04-01 | 1987-10-14 | Chisso Corp | Phenylpyridine derivative |
US4980082A (en) * | 1986-09-02 | 1990-12-25 | Seiko Instruments Inc. | Ferroelectric SmC liquid crystal composition which comprises pyrimidinylphenyl ester compounds |
DE4029897A1 (en) * | 1990-09-21 | 1992-03-26 | Merck Patent Gmbh | Novel pyrimidine ester(s) - useful as low viscosity components of liq. crystal mixts. |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DD105701A1 (en) * | 1973-07-02 | 1974-05-05 | ||
CH617452A5 (en) * | 1974-10-25 | 1980-05-30 | Hoffmann La Roche | |
US4145114A (en) * | 1975-06-17 | 1979-03-20 | The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland | Pleochroic dyes |
US4062798A (en) * | 1975-09-19 | 1977-12-13 | Hoffmann-La Roche Inc. | Phenylpyrimidine derivatives |
US4180475A (en) * | 1976-02-26 | 1979-12-25 | Hoffmann La Roche | Liquid crystal mixtures |
DE2636684C3 (en) * | 1976-08-14 | 1980-06-19 | Merck Patent Gmbh, 6100 Darmstadt | Phenylcyclohexane derivatives and their use in liquid-crystalline dielectrics |
DE2701591C3 (en) * | 1977-01-15 | 1979-12-20 | Merck Patent Gmbh, 6100 Darmstadt | Hexahydroterphenyl derivatives and their use in liquid crystalline dielectrics |
DE2702598C2 (en) * | 1977-01-22 | 1984-10-25 | Merck Patent Gmbh, 6100 Darmstadt | Cyclohexylcyclohexanes and dielectrics containing them |
DE2815860A1 (en) * | 1977-04-15 | 1978-10-19 | Hoffmann La Roche | LIQUID CRYSTALLINE MIXTURES |
US4198130A (en) * | 1977-06-03 | 1980-04-15 | Hoffmann-La Roche Inc. | Liquid crystal mixtures |
DE2862064D1 (en) * | 1977-10-14 | 1982-11-25 | Bdh Chemicals Ltd | Pleochroic dyes suitable for use in solution with liquid crystal materials for electro-optic device applications |
DD137117B1 (en) * | 1978-01-23 | 1980-10-01 | Hermann Schubert | NEMATIC CRYSTALLINE-LIQUID SUBSTANCES |
GB2024844B (en) * | 1978-05-23 | 1983-03-30 | Minnesota Mining & Mfg | Pleochroic dyes and electro-optical displays therewith |
DD137242B1 (en) * | 1978-06-16 | 1980-10-29 | Dietrich Demus | NEMATIC CRYSTALLINE-FLUID MIXTURES |
DD139867B1 (en) * | 1978-12-13 | 1982-04-28 | APPLICATION OF LIQUID CRYSTALS | |
DD139852B1 (en) * | 1978-12-13 | 1982-03-10 | Horst Zaschke | PROCESS FOR PREPARING CRYSTALLINE-FLUID SUBSTITUTED 1,3-DIOXANES |
US4273929A (en) * | 1979-02-05 | 1981-06-16 | Hoffmann-La Roche Inc. | Heterocyclic compounds |
US4304683A (en) * | 1979-03-16 | 1981-12-08 | Mitsui Toatsu Chemicals, Inc. | Composition for liquid crystal color display element |
-
1980
- 1980-01-29 US US06/116,518 patent/US4273929A/en not_active Expired - Lifetime
- 1980-01-29 CA CA000344571A patent/CA1120478A/en not_active Expired
- 1980-02-01 DD DD80218811A patent/DD151937A5/en unknown
- 1980-02-04 EP EP80100549A patent/EP0014885B1/en not_active Expired
- 1980-02-04 DE DE8080100549T patent/DE3063719D1/en not_active Expired
- 1980-02-04 KR KR1019800000444A patent/KR840001440B1/en active
- 1980-02-04 GB GB8003720A patent/GB2042533B/en not_active Expired
-
1981
- 1981-01-30 US US06/230,074 patent/US4389329A/en not_active Expired - Lifetime
-
1983
- 1983-08-22 SG SG533/83A patent/SG53383G/en unknown
-
1984
- 1984-01-05 HK HK1/84A patent/HK184A/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR830001907A (en) | 1983-05-19 |
KR840001440B1 (en) | 1984-09-27 |
EP0014885B1 (en) | 1983-06-15 |
DE3063719D1 (en) | 1983-07-21 |
DD151937A5 (en) | 1981-11-11 |
GB2042533A (en) | 1980-09-24 |
EP0014885A1 (en) | 1980-09-03 |
CA1120478A (en) | 1982-03-23 |
SG53383G (en) | 1984-04-19 |
US4389329A (en) | 1983-06-21 |
US4273929A (en) | 1981-06-16 |
GB2042533B (en) | 1983-05-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PE | Patent expired |