Patents by Inventor Kenneth Johnson Toyne
Kenneth Johnson Toyne has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 6391397Abstract: A fluorinated phenyl compound having the general formula [1]: wherein each of s, v and x=0 or 1, each of t and u=1, 2 or 3, and each of y and z=0, 1 or 2; A, B and C are independently selected from conjugated cyclic moieties including heterorings and fused rings; R1 and R3 may be independently cyano, or (C1-C12)alkyl, (C1-C12)alkoxy, (C1-C11) alkoxycarbonyl or (C1-C11)alkylcarbonyloxy which may be fluoro- and/or cyano-substituted; R2=H or F; R4=H or F; and R5=H or F. Such compounds have high transverse dipole moments and are potentially useful in liquid crystal compositions and in devices including same.Type: GrantFiled: April 5, 2000Date of Patent: May 21, 2002Assignees: Sharp Kabushiki Kaisha, The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern IrelandInventors: John Clifford Jones, Ian Charles Sage, John William Goodby, Michael Hird, Robert Andrew Lewis, Kenneth Johnson Toyne
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Publication number: 20020011588Abstract: A liquid crystalline compounds:Type: ApplicationFiled: August 2, 2001Publication date: January 31, 2002Inventors: Kenneth Johnson Toyne, John William Goodby, Alexander Seed, George William Gray, Damien Gerad McDonnel, Edward Peter Raynes, Sally Elizabeth Day, Kenneth John Harrison, Michael Hird
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Patent number: 6291034Abstract: Liquid crystal compounds of formula (I) are described, where formula (I) is given as R1—A—(X)m—(B)n—R2 where A is selected from naphthyl, fluorinated naphthyl, brominated naphthyl, B is selected from phenyl, methylated phenyl, brominated phenyl, fluorinated phenyl, thiophene, pyrimidine and pyridine. R1 and R2 are independently selected from alkyl, alkoxy, akynyl, thioalkyl, Br, CN, SCN, NCS, perfluoroalkyl, perfluoroalkoxy and hydrogen, X is selected from C≡C, COO and C≡C, m is 0 or 1, n is 0 or 1 where m is 1 and n is 0 where m is 0; provided that where A is naphthyl, n is 1 and m is 0 then B is selected from methylated phenyl, brominated phenyl, thiophene, pyrimidine and pyridine; and further provided that where A is naphthyl, X is C≡C, m is 1 and n is 1, then B is selected from thiophene, pyrimidine and pyridine.Type: GrantFiled: September 10, 1998Date of Patent: September 18, 2001Assignee: The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern IrelandInventors: Kenneth Johnson Toyne, John William Goodby, Alexander Seed, George William Gray, Damien Gerad McDonnel, Edward Peter Raynes, Sally Elizabeth Day, Kenneth John Harrison, Michael Hird
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Patent number: 6121448Abstract: The synthesis of novel compound (I) is described: 5-bromo-2-iodopyrimidine may be used for the synthesis of a range of chemical compounds both known and novel. The synthesis of a number of novel liquid crystalline compounds is described.Type: GrantFiled: June 16, 1999Date of Patent: September 19, 2000Assignee: The Secretary of State for Defence in Her Brittanic Majesty's Government of the United Kingdom of Great Britain and Northern IrelandInventors: Robert Andrews Lewis, John William Goodby, Kenneth Johnson Toyne, Michael Hird
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Patent number: 5986096Abstract: 5-Bromo-2-iodopyrimidine is used to synthesize a range of chemical compounds including liquid crystalline compounds.Type: GrantFiled: September 25, 1997Date of Patent: November 16, 1999Assignee: The Secretary of State for Defence in Her Britannic Majesty's a Government of the U.K. of Gt. Britain & N. Ireland of Defence Evaluation & Research AgencyInventors: Robert Andrews Lewis, John William Goodby, Kenneth Johnson Toyne, Michael Hird
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Patent number: 5955000Abstract: This invention describes compounds of formula (I) ##STR1## wherein R is C.sub.1-16 alkyl or alkoxy; X is selected from F and Cl and indicates that one or more of the phenyl rings may be laterally substituted; x is selected from 0-3; A and B are independently selected from CO.sub.2, OCO, .tbd.C and single bond; R.sub.1 and R.sub.2 are independently selected from H and C.sub.1-16 alkyl provided that R.sub.1 and R.sub.2 are different; n is 0 or 1 provided that if n is zero then B is single bond. These compounds may be used as dopants suitable for use in ferroelectric liquid crystal mixtures.Type: GrantFiled: September 25, 1997Date of Patent: September 21, 1999Assignee: The Secretary of State for DefenceInventors: Benjamin Ross Carrick, John William Goodby, Kenneth Johnson Toyne, Michael Hird, Damien Gerard McDonnell
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Patent number: 5888421Type: GrantFiled: September 19, 1994Date of Patent: March 30, 1999Assignee: The Secretary of State for Defence in her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern IrelandInventors: Kenneth Johnson Toyne, John William Goodby, Alexander Seed, George William Gray, Damien Gerad McDonnel, Edward Peter Raynes, Sally Elizabeth Day, Kenneth John Harrison, Michael Hird
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Patent number: 5853613Abstract: The present invention describes liquid crystal compounds which are suitable for use in liquid crystal devices including those which exploit the electroclinic effect.Type: GrantFiled: January 16, 1997Date of Patent: December 29, 1998Assignee: Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern IrelandInventors: John William Goodby, Kenneth Johnson Toyne, Michael Hird, Stephen John Lock
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Patent number: 5820781Abstract: R.sub.1 --A--(X).sub.m --(B).sub.n --R.sub.2 (I)R.sub.3 --J--(Y).sub.p --(Z).sub.q --R.sub.4 (II)Liquid crystal compounds of formula (I) are described, where formula (I) is given as R.sub.1 --A--(X).sub.m --(B).sub.n --R.sub.2 where A is selected from nathyl, fluorinated naphthyl, brominated naphthyl, B is selected from phenyl, methylated phenyl, brominated phenyl, fluorinated phenyl, thiophene, pyrimidine and pyridine, R.sub.1 and R.sub.2 are independently selected from alkyl, alkoxy, alkynyl, thioalkyl, Br, CN, SCN, NCS, perfluoroalkyl, perfluoroalkoxy and hydrogen, X is selected from C.tbd.C, COO and C.tbd.C, m is 0 or 1, n is 0 or 1 where m is 1 and n is 0 where m is 0; provided that where A is naphthyl, n is 1 and m is 0 then B is selected from methylated phenyl, brominated phenyl, thiophene, pyrimidine and pyridine; and further provided that where A is naphthyl, X is C.tbd.C, m is 1 and n is 1, then B is selected from thiophene, pyrimidine and pyridine.Type: GrantFiled: June 6, 1995Date of Patent: October 13, 1998Assignee: The Secretary of State for Defence in her Britannic Majesty's Government of the United Kingdom of Great Britain & Northern IrelandInventors: Kenneth Johnson Toyne, John William Goodby, Alexander Seed, George William Gray, Damien Gerad McDonnel, Edward Peter Raynes, Sally Elizabeth Day, Kenneth John Harrison, Michael Hird
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Patent number: 5798058Abstract: Compounds of formula (I) which are suitable for use in liquid crystal devices including those devices which exploit the electroclinic effect. The compounds of formula (I) may also be used as chiral dopoants suitable for use with ferroelectric liquid crystals or they may be used as chiral nematic dopants.Type: GrantFiled: December 31, 1996Date of Patent: August 25, 1998Assignee: Secretary of State for Defence in her Britannic Majesty's Government of the United Kingdom of Gt. Britain & N. Ireland of Defence Evaluation and Research AgencyInventors: John William Goodby, Kenneth Johnson Toyne, Michael Hird, Robert Andrew Lewis