GB2255776B - Liquid crystal cyanoalkanes and cyanoalkenes - Google Patents

Liquid crystal cyanoalkanes and cyanoalkenes

Info

Publication number: GB2255776B
Authority: GB; United Kingdom
Prior art keywords: cyanoalkenes; cyanoalkanes; liquid crystal; crystal; liquid
Prior art date: 1990-02-08
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 - Fee Related

Application number

GB9215306A

Other versions

GB2255776A (en

GB9215306D0 (en

Inventor

George William Gray

David Lacey

Kenneth Johnson Toyne

Ibrahim Gindy Shenouda

Abdul Luheshi

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

UK Secretary of State for Defence

Original Assignee

UK Secretary of State for Defence

Priority date (The priority date 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 date listed.)

1990-02-08

Filing date

1992-07-17

Publication date

1993-09-08

1990-02-08 Priority claimed from GB909002830A external-priority patent/GB9002830D0/en

1992-07-17 Application filed by UK Secretary of State for Defence filed Critical UK Secretary of State for Defence

1992-07-17 Priority to GB9215306A priority Critical patent/GB2255776B/en

1992-09-16 Publication of GB9215306D0 publication Critical patent/GB9215306D0/en

1992-11-18 Publication of GB2255776A publication Critical patent/GB2255776A/en

1993-09-08 Application granted granted Critical

1993-09-08 Publication of GB2255776B publication Critical patent/GB2255776B/en

2012-07-17 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C255/00—Carboxylic acid nitriles
- C07C255/01—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms
- C07C255/32—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms having cyano groups bound to acyclic carbon atoms of a carbon skeleton containing at least one six-membered aromatic ring
- C07C255/35—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms having cyano groups bound to acyclic carbon atoms of a carbon skeleton containing at least one six-membered aromatic ring the carbon skeleton being further substituted by halogen atoms, or by nitro or nitroso groups
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C255/00—Carboxylic acid nitriles
- C07C255/01—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms
- C07C255/32—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms having cyano groups bound to acyclic carbon atoms of a carbon skeleton containing at least one six-membered aromatic ring
- C07C255/33—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms having cyano groups bound to acyclic carbon atoms of a carbon skeleton containing at least one six-membered aromatic ring with cyano groups linked to the six-membered aromatic ring, or to the condensed ring system containing that ring, by saturated carbon chains
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C255/00—Carboxylic acid nitriles
- C07C255/01—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms
- C07C255/32—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms having cyano groups bound to acyclic carbon atoms of a carbon skeleton containing at least one six-membered aromatic ring
- C07C255/37—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms having cyano groups bound to acyclic carbon atoms of a carbon skeleton containing at least one six-membered aromatic ring the carbon skeleton being further substituted by etherified hydroxy groups
- 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
- C09K19/30—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing saturated or unsaturated non-aromatic rings, e.g. cyclohexane rings
- C09K19/3001—Cyclohexane rings
- C09K19/3028—Cyclohexane rings in which at least two rings are linked by a carbon chain containing carbon to carbon single bonds
- 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
- C09K19/32—Non-steroidal liquid crystal compounds containing condensed ring systems, i.e. fused, bridged or spiro ring systems
- C09K19/321—Compounds containing a bicyclo [2,2,2] octane ring
- 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
- C09K19/42—Mixtures of liquid crystal compounds covered by two or more of the preceding groups C09K19/06 - C09K19/40
- C09K19/44—Mixtures of liquid crystal compounds covered by two or more of the preceding groups C09K19/06 - C09K19/40 containing compounds with benzene rings directly linked
- 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
- C09K19/42—Mixtures of liquid crystal compounds covered by two or more of the preceding groups C09K19/06 - C09K19/40
- C09K19/46—Mixtures of liquid crystal compounds covered by two or more of the preceding groups C09K19/06 - C09K19/40 containing esters

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Crystallography & Structural Chemistry (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

GB9215306A 1990-02-08 1992-07-17 Liquid crystal cyanoalkanes and cyanoalkenes Expired - Fee Related GB2255776B (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
GB9215306A GB2255776B (en)	1990-02-08	1992-07-17	Liquid crystal cyanoalkanes and cyanoalkenes

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
GB909002830A GB9002830D0 (en)	1990-02-08	1990-02-08	L.c.cyanoalkenes & alkenes
PCT/GB1991/000188 WO1991012233A1 (en)	1990-02-08	1991-02-06	Liquid crystal cyanoalkanes and cyanoalkenes
GB9215306A GB2255776B (en)	1990-02-08	1992-07-17	Liquid crystal cyanoalkanes and cyanoalkenes

Publications (3)

Publication Number	Publication Date
GB9215306D0 GB9215306D0 (en)	1992-09-16
GB2255776A GB2255776A (en)	1992-11-18
GB2255776B true GB2255776B (en)	1993-09-08

Family

ID=26296631

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB9215306A Expired - Fee Related GB2255776B (en)	1990-02-08	1992-07-17	Liquid crystal cyanoalkanes and cyanoalkenes

Country Status (1)

Country	Link
GB (1)	GB2255776B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH585703A5 (en) *	1972-08-18	1977-03-15	Philips Nv
EP0134570A2 (en) *	1983-09-10	1985-03-20	MERCK PATENT GmbH	Anisotropic compounds and mixtures of liquid crystals
DD254590A5 (en) *	1986-02-17	1988-03-02	Merck Patent Gmbh,De	CHIRAL-TREATED SMEKTIC LIQUID CRYSTALLINE PHASE
DE3731619A1 (en) *	1986-10-01	1988-04-14	Merck Patent Gmbh	Nitrogen-containing compounds for use in liquid-crystalline mixtures
US4748264A (en) *	1986-05-27	1988-05-31	Pennwalt Corporation	Substituted alpha-[2'-tricyclo[3.3.1.13,7 ]-decylidene]benzeneacetonitrile derivatives

1992
- 1992-07-17 GB GB9215306A patent/GB2255776B/en not_active Expired - Fee Related

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH585703A5 (en) *	1972-08-18	1977-03-15	Philips Nv
EP0134570A2 (en) *	1983-09-10	1985-03-20	MERCK PATENT GmbH	Anisotropic compounds and mixtures of liquid crystals
DD254590A5 (en) *	1986-02-17	1988-03-02	Merck Patent Gmbh,De	CHIRAL-TREATED SMEKTIC LIQUID CRYSTALLINE PHASE
US4748264A (en) *	1986-05-27	1988-05-31	Pennwalt Corporation	Substituted alpha-[2'-tricyclo[3.3.1.13,7 ]-decylidene]benzeneacetonitrile derivatives
DE3731619A1 (en) *	1986-10-01	1988-04-14	Merck Patent Gmbh	Nitrogen-containing compounds for use in liquid-crystalline mixtures

Also Published As

Publication number	Publication date
GB2255776A (en)	1992-11-18
GB9215306D0 (en)	1992-09-16

Legal Events

Date	Code	Title	Description
2001-10-17	732E	Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
2004-06-09	732E	Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
2004-09-29	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 20040206

Publication	Publication Date	Title
EP0493798A3 (en)	1992-11-19	Liquid crystal display
EP0481700A3 (en)	1992-12-09	Liquid crystal display
EP0483804A3 (en)	1992-12-09	Liquid crystal display
HK1010800A1 (en)	1999-06-25	Liquid crystal cell
EP0473058A3 (en)	1993-04-07	Liquid crystal apparatus
EP0490171A3 (en)	1992-12-30	Scattering type liquid crystal device
EP0466497A3 (en)	1992-05-27	Liquid crystal display
GB9223741D0 (en)	1992-12-23	Liquid crystal device
EP0455886A3 (en)	1992-02-26	Liquid crystal display
EP0452030A3 (en)	1992-06-03	Liquid crystal display and shading member therefore
EP0487093A3 (en)	1992-07-29	Liquid crystal compound and liquid crystal display device
GB9015999D0 (en)	1990-09-05	Liquid crystal displays
GB2257432B (en)	1994-11-09	Liquid crystal polyacrylates
EP0429662A4 (en)	1992-01-08	Liquid crystal composition and liquid crystal element
GB2264713B (en)	1996-09-25	Liquid crystal device
EP0459759A3 (en)	1992-03-18	Liquid crystal display
EP0450368A3 (en)	1992-03-18	Liquid crystal display and liquid crystal mixture
EP0460434A3 (en)	1992-05-13	Liquid crystal medium
EP0460657A3 (en)	1992-08-12	Liquid crystal device
HK124097A (en)	1997-09-12	Liquid crystal display
GB2240846B (en)	1993-09-08	Liquid crystal thermometer
GB9027103D0 (en)	1991-02-06	Liquid crystal mixtures
EP0450354A3 (en)	1992-05-06	Matrix-liquid crystal display
EP0449288A3 (en)	1992-11-19	Phenylethanes and liquid crystal medium
EP0451854A3 (en)	1992-03-25	Liquid crystal medium