Polyoxy Patents (Class 568/643)
  • Patent number: 10343982
    Abstract: Disclosed are compounds of formula I the use of compounds of formula I in liquid crystal media and in particular to flexoelectric liquid crystal devices containing the liquid crystal media.
    Type: Grant
    Filed: September 8, 2014
    Date of Patent: July 9, 2019
    Assignee: MERCK PATENT GMBH
    Inventors: Kevin Adlem, Owain Llyr Parri
  • Patent number: 9005314
    Abstract: A compound having formula (I) wherein G represents at least one substituent selected from the group consisting of C1-C12 alkyl and C1-C12 alkoxy.
    Type: Grant
    Filed: October 4, 2011
    Date of Patent: April 14, 2015
    Assignee: Dow Global Technologies LLC
    Inventors: George David Green, Raymond John Swedo
  • Publication number: 20150087847
    Abstract: There is provided a compound having a good miscibility with another liquid crystal compound and having a combination of a low viscosity (?), high storage stability, and high T?i even after being used to produce a liquid crystal composition. In particular, it is a compound having a 2-fluorophenyloxymethane structure is provided. Since the compound having a 2-fluorophenyloxymethane structure is highly miscible with another liquid crystal compound, using the compound having a 2-fluorophenyloxymethane structure as a component of a liquid crystal composition enables a production of a liquid crystal composition which exhibits a liquid crystal phase at low viscosity and in a wide temperature range and which has a high storage stability and enables production of a liquid crystal display device which responds fast and which has excellent display characteristics.
    Type: Application
    Filed: March 24, 2013
    Publication date: March 26, 2015
    Applicant: DIC CORPORATION
    Inventors: Kenta Tojo, Tetsuo Kusumoto, Masashi Osawa, Masakazu Kaneoya, Kiyofumi Takeuchi
  • Patent number: 8987538
    Abstract: The present invention provides cycloparaphenylene compounds, their macrocyclic precursors, and methods for making the compounds. The cycloparaphenylene compounds can be used to prepare armchair carbon nanotubes.
    Type: Grant
    Filed: May 6, 2013
    Date of Patent: March 24, 2015
    Assignee: The Regents of the University of California
    Inventors: Ramesh Jasti, Carolyn Bertozzi
  • Publication number: 20150069304
    Abstract: The invention relates to novel fullerene derivatives, to methods for their preparation and educts or intermediates used therein, to mixtures and formulations containing them, to the use of the fullerene derivatives, mixtures and formulations as organic semiconductors in, or for the preparation of, organic electronic (OE) devices, especially organic photovoltaic (OPV) devices and organic photodetectors (OPD), and to OE, OPV and OPD devices comprising, or being prepared from, these fullerene derivatives, mixtures or formulations.
    Type: Application
    Filed: September 11, 2014
    Publication date: March 12, 2015
    Applicants: Nano-C, Inc., MERCK PATENT GMBH
    Inventors: Nicolas BLOUIN, Stephane BERNY, Edward A. JACKSON, Henning RICHTER, Feng HE
  • Publication number: 20150060732
    Abstract: An object is to provide a liquid crystal compound satisfying at least one of physical properties such as a high stability to heat and light, a high clearing point, a low minimum temperature of a liquid crystal phase, a small viscosity, a suitable optical anisotropy, a large dielectric anisotropy, a suitable elastic constant and an excellent compatibility with other liquid crystal compounds, a liquid crystal composition containing the compound, and a liquid crystal display device including the composition. A solution is a compound represented by formula (1). In formula 1, R1 is alkyl having 1 to 10 carbons, for example; ring A1 and ring A2 are independently 1,4-cyclohexylene or 1,4-phenylene; Z1 and Z2 are independently a single bond or —CF2O—; L1 and L2 are halogen; and a is 1 or 2.
    Type: Application
    Filed: August 27, 2014
    Publication date: March 5, 2015
    Applicants: JNC PETROCHEMICAL CORPORATION, JNC CORPORATION
    Inventors: Yasuyuki GOTOH, Masakazu YANO
  • Patent number: 8883037
    Abstract: Chiral liquid crystal compounds of the general formula (1): in which at least one of R1 and R2 is a chiral substituent, K may be a single bond or the same as K1-5 and K1-5 denote a six-membered ring system which rings may be at least partially unsaturated, wherein the number of atoms in these rings or ring systems between the two atoms forming a part of the link to the next ring, or to one of the substituents R1 and R2, does not differ by more than one if counted in the clockwise, and in the counter-clockwise sense, starting from the same atom in each case, X1-20 denote alkyl, or alkoxy, or fluorinated alkyl, or fluorinated alkoxy groups, or atom H, or halogen atoms, mixtures comprising such chiral liquid crystal compounds, and liquid crystal displays comprising such mixtures as active ingredients.
    Type: Grant
    Filed: April 15, 2013
    Date of Patent: November 11, 2014
    Assignee: Tetragon LC Chemie AG
    Inventors: Wolfgang Haase, Artsiom Lapanik
  • Publication number: 20140275577
    Abstract: The present invention relates to a compound having a 2-fluorophenyloxymethane structure and useful for organic electronic materials and medical and agricultural chemicals, particularly materials for liquid crystal display elements. A problem to be solved by the invention is to provide a compound having relatively large ??, relatively high T?i, low viscosity (?), and high miscibility with other liquid crystal compounds, and also provide a liquid crystal composition containing the compound as a constituent component. The present invention provides a compound having a 2-fluorophenyloxymethane structure and also provides a liquid crystal composition containing the compound and a liquid crystal display device using the liquid crystal composition.
    Type: Application
    Filed: May 22, 2012
    Publication date: September 18, 2014
    Applicant: DIC CORPORATION
    Inventors: Kenta Tojo, Kiyofumi Takeuchi, Masashi Osawa, Masakazu Kaneoya, Tetsuo Kusumoto
  • Patent number: 8828902
    Abstract: A microencapsulated catalyst is prepared by dissolving or dispersing a catalyst in a first phase (for example an organic phase), dispersing the first phase in a second, continuous phase (for example an aqueous phase) to form an emulsion, reacting one or more microcapsule wall-forming materials at the interface between the dispersed first phase and the continuous second phase to form a microcapsule polymer shell encapsulating the dispersed first phase core and optionally recovering the microcapsules from the continuous phase. The catalyst is preferably a transition metal catalyst and the encapsulated catalyst may be used for conventional catalysed reactions. The encapsulated catalyst may recovered from the reaction medium and re-cycled.
    Type: Grant
    Filed: July 9, 2002
    Date of Patent: September 9, 2014
    Assignee: Reaxa Limited
    Inventors: Chandrashekar Ramarao, David Joszef Tapolczay, Ian Malcolm Shirley, Stephen Christopher Smith, Steven Victor Ley
  • Publication number: 20140203209
    Abstract: An object is to provide a liquid crystal compound satisfying at least one of physical properties such as a high stability to heat, light and so forth, a high clearing point, a low minimum temperature of a liquid crystal phase, a small viscosity, a suitable optical anisotropy, a large dielectric anisotropy, a suitable elastic constant and an excellent compatibility with other liquid crystal compounds, a liquid crystal composition containing the compound, and a liquid crystal display device including the composition. A solution is the compound represented by formula (1): wherein, in formula (1), for example, R1 is alkyl having 1 to 10 carbons; ring A1 and ring A2 are independently 1,4-cyclohexylene or 1,4-phenylene; Z1 and Z2 are independently a single bond or —CF2O—; L1 and L2 are halogen; and a is 1 or 2.
    Type: Application
    Filed: January 21, 2014
    Publication date: July 24, 2014
    Applicants: JNC PETROCHEMICAL CORPORATION, JNC CORPORATION
    Inventors: Yasuyuki GOTOH, Kenji HIRATA
  • Patent number: 8785503
    Abstract: The present invention provides a novel biphenyl compound or pharmaceutically acceptable salts thereof, methods for preparing the same, and pharmaceutical compositions for preventing or treating diabetic complications containing the same as an active ingredient. Novel biphenyl compounds, according to the present invention, effectively suppress generation activity of advanced glycation end products, which cause diabetic complications and are a criterion for evaluating the effectiveness of a treating agent for diabetic complications, and show an excellent therapeutic effect on retina blood vessels, increased occludin, and decreased angiogenic growth factor in actual diabetic retinopathy induced retina. Thus, novel biphenyl compounds according to the present invention can be used effectively as an active ingredient in compositions for preventing or treating diabetic complications such as diabetic retinopathy.
    Type: Grant
    Filed: August 11, 2011
    Date of Patent: July 22, 2014
    Assignee: Korea Institute of Oriental Medicine
    Inventors: Jin Sook Kim, Young Sook Kim, Jung Hyun Kim, Eun Jin Shon, Ki Mo Kim, Chan-Sik Kim, Dong Ho Jung, Yun Mi Lee, Kyu Hyung Jo, Ohn Soon Kim, Nam-Hee Yoo
  • Publication number: 20140145113
    Abstract: A liquid crystal compound having high stability to heat, light and so forth, a high clearing point, a low minimum temperature of a liquid crystal phase, small viscosity, suitable optical anisotropy, large dielectric anisotropy, a suitable elastic constant and excellent compatibility with other liquid crystal compounds, a liquid crystal composition containing the compound, and a liquid crystal display device including the composition. The compound is represented by formula (1-1): wherein, for example, R1 is hydrogen, halogen or alkyl having 1 to 20 carbons; ring A1, ring A2, ring A3, ring A4 and ring A5 are independently 1,4-cyclohexylene or 1,4-phenylene; Z1, Z2, Z3 and Z4 are independently a single bond, —(CH2)2—, —CH?CH— or —CF?CF—: and a, b, c and d are independently 0 or 1, and a sum of a, b, c and d is one or more.
    Type: Application
    Filed: November 26, 2013
    Publication date: May 29, 2014
    Applicants: JNC PETROCHEMICAL CORPORATION, JNC CORPORATION
    Inventors: Tomohiro YANO, Junichi YAMASHITA
  • Publication number: 20140138582
    Abstract: A liquid crystal compound having high stability to heat, light and so forth, a high clearing point, a low minimum temperature of a liquid crystal phase, small viscosity, suitable optical anisotropy, large negative dielectric anisotropy, a suitable elastic constant and excellent compatibility with other liquid crystal compounds, a liquid crystal composition containing the compound, and a liquid crystal display device including the composition. The compound is represented by formula (1-1): wherein, for example, R1 is alkyl having 1 to 10 carbons, alkoxy having 1 to 9 carbons or alkenyl having 2 to 10 carbons; R2 is alkyl having 1 to 10 carbons, alkoxy having 1 to 9 carbons or alkenyl having 3 to 10 carbons; ring A1 is 1,4-cyclohexylene or 1,4-phenylene; ring A2 is 1,4-cyclohexylene, 1,4-phenylene or 2,3-difluoro-1,4-phenylene; Z1 and Z2 are single bonds; L1 and L2 are fluorine; and 1 is 0, 1 or 2.
    Type: Application
    Filed: November 15, 2013
    Publication date: May 22, 2014
    Applicants: JNC PETROCHEMICAL CORPORATION, JNC CORPORATION
    Inventors: Yasuyuki GOTOH, Masahide KOBAYASHI
  • Publication number: 20140142346
    Abstract: A compound having formula (I), wherein R represents C1-C18 alkyl, C5-C18 cycloalkyl, C3-C18 alkenyl or C3-C18 alkynyl; provided that, when —OR groups are in 2,2?-positions on benzene rings in formula (I), R is not methyl, ethyl, hexyl, octyl or allyl.
    Type: Application
    Filed: June 28, 2012
    Publication date: May 22, 2014
    Applicant: ANGUS CHEMICAL COMPANY
    Inventors: George D. Green, Raymond J. Swedo
  • Patent number: 8722942
    Abstract: A method produces a biphenyl derivative, with an industrially high yield and excellent productivity, by use of a raw material which is low in cost and toxicity. The method for producing the biphenyl derivative represented by Formula (1) is characterized in that a chlorine atom in a benzene derivative represented by Formula (2) reacts with magnesium metal to convert the benzene derivative into a Grignard reagent, and then the Grignard reagent is subjected to a coupling reaction in the presence of a catalyst and a dichloropropane: (wherein A represents at least one selected from alkyl groups, alkoxy groups, alkoxymethyl groups, a vinyl group, phenyl groups and chlorine, and n represents an integer of 1 to 4).
    Type: Grant
    Filed: October 12, 2007
    Date of Patent: May 13, 2014
    Assignee: Toray Fine Chemicals Co., Ltd.
    Inventors: Tamio Hayashi, Jiro Nakatani
  • Publication number: 20140097383
    Abstract: A liquid crystal composition and an AM liquid crystal display device are described. The liquid crystal composition contains a specific compound having a small viscosity as a first component, may further contain a specific compound having a large negative dielectric anisotropy as a second component and a specific compound having a small viscosity as a third component, and has a negative dielectric anisotropy and a ratio of rotational viscosity to an elastic constant in the range of 4.2 GPa·s/N or lower. The liquid crystal display device includes the composition.
    Type: Application
    Filed: February 8, 2013
    Publication date: April 10, 2014
    Applicants: JNC PETROCHEMICAL CORPORATION, JNC CORPORATION
    Inventors: Yoshimasa Furusato, Masayuki Saito
  • Publication number: 20140077131
    Abstract: The invention provides a liquid crystal compound represented by formula (1): wherein, in formula (I), for example, R1 is fluorine, chlorine, or alkyl having 1 to 10 carbons, and in the alkyl, at least one of —CH2— may be replaced by —O—, —S—, —CO— or —SiH2—, and at least one of —(CH2)2— may be replaced by —CH?CH— or —C?C—. The compound has a low threshold voltage and excellent compatibility with other liquid crystal compounds, and further excellent general physical properties required for the compound. The invention also provides a liquid crystal composition containing at least one of the compounds and having excellent properties, and a liquid crystal display device including the composition, and having a wide usable temperature range, a short response time, a large contrast ratio and a low driving voltage, and therefore can be used for a liquid crystal projector and a liquid crystal television.
    Type: Application
    Filed: September 10, 2013
    Publication date: March 20, 2014
    Applicants: JNC PETROCHEMICAL CORPORATION, JNC CORPORATION
    Inventor: Yasuyuki SASADA
  • Publication number: 20140081051
    Abstract: A compound having formula (I), wherein G1 represents a C4-C22 alkyl or alkenyl group, a C8-C20 aralkyl group or formula (II) wherein G3 is a difunctional C2-C18 alkyl or alkenyl group, a difunctional C6-C20 aryl group or G3 is absent; provided that G1 is not 2-butyl, n-hexyl, n-octyl, n-dodecyl, n-hexadecyl or 2-phenylethyl.
    Type: Application
    Filed: May 7, 2012
    Publication date: March 20, 2014
    Applicant: ANGUS Chemical Company
    Inventors: George David Green, Raymond John Swedo
  • Publication number: 20140034876
    Abstract: To provide a liquid crystal compound having a high stability to light, a high clearing point, a low minimum temperature of a liquid crystal phase, a small viscosity, a suitable optical anisotropy, a large dielectric anisotropy, a suitable elastic constant and an excellent solubility in other liquid crystal compounds.
    Type: Application
    Filed: July 1, 2013
    Publication date: February 6, 2014
    Inventors: Yasuyuki Gotoh, Hiroki Ookawa
  • Publication number: 20140021409
    Abstract: The present invention relates to a liquid-crystal medium which comprises a component A which consists of one or more compounds of the formula X in which the parameters have the respective meanings given in the claims or in the text, and to the corresponding, novel mesogenic compounds and to the preparation thereof. The present invention likewise relates to the use of these liquid-crystal media, in particular in components for high-frequency technology, and to components of this type which contain the media according to the invention, and to the production and use of these components. The components according to the invention are suitable, in particular, for phase shifters in the microwave and millimetre wave region, for microwave and millimetre wave array antennae and very particularly for so-called tuneable “reflectarrays”.
    Type: Application
    Filed: March 7, 2012
    Publication date: January 23, 2014
    Applicant: MERCK PATENT GMBH
    Inventors: Atsutaka Manabe, Christian Jasper, Volker Reiffenrath, Elvira Montenegro, Detlef Pauluth, Dagmar Klass
  • Publication number: 20130341565
    Abstract: The present invention discloses a liquid crystal (LC) molecule having a flexible structure and a mixture thereof. A traditional LC molecule is modified into the LC molecule having the flexible structure. The wetting ability of the LC molecule within a color-filter-on-array (COA) type LC panel is increased by properties of the flexible structure, so that the LC molecule having the flexible structure can obtain better diffusing performance than that of the traditional LC molecule. The present invention can increase the wetting ability of the LC molecule within an LC panel by modification of the flexible structure of the LC molecule, and thus the problem of drop Mura effect in the COA type LC panel can be improved.
    Type: Application
    Filed: May 28, 2012
    Publication date: December 26, 2013
    Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO. LTD.
    Inventor: Chung-Ching Hsieh
  • Publication number: 20130337196
    Abstract: The present invention discloses a liquid crystal (LC) molecule having a five-membered ring structure and a mixture thereof. A traditional LC molecule is modified into the LC molecule having the five-membered ring structure. The rotational viscosity of the LC molecule within an LC panel is decreased by properties of the five-membered ring structure, so that the LC molecule having the five-membered ring structure has a fast off-time than that of the traditional LC molecule. The present invention can decrease the rotational viscosity of the LC molecule within the LC panel by modification of the five-membered ring structure of the LC molecule, and thus the problem of cross-talk effect produced from switching a two-dimensional mode to a three-dimensional mode in an LC display can be improved.
    Type: Application
    Filed: July 2, 2012
    Publication date: December 19, 2013
    Applicant: Shenzhen China Star Optopelectronics Technology Co., Ltd.
    Inventor: Chung-Ching Hsieh
  • Patent number: 8603359
    Abstract: A liquid crystal compound having a high stability to heat, light or the like, a high clearing point, a low minimum temperature of a liquid crystal phase, a small viscosity, a suitable optical anisotropy, a large dielectric anisotropy, a suitable elastic constant and an excellent compatibility with other liquid crystal compounds, and a liquid crystal composition including this compound, and a liquid crystal display device containing this composition. A compound represented by formula (1): for example, R1 is alkyl having 1 to 10 carbons; ring A1, ring A2 and ring A3 are 1,4-cyclohexylene, 1,4-phenylene or 1,4-phenylene in which at least one of hydrogen has been replaced by fluorine; Z1 is a single bond, and Z2 and Z3 are —CF2O— or —OCF2—; X1 is fluorine; and L1 and L2 are fluorine.
    Type: Grant
    Filed: June 6, 2012
    Date of Patent: December 10, 2013
    Assignees: JNC Corporation, JNC Petrochemical Corporation
    Inventors: Takahiro Kubo, Yasuyuki Goto
  • Publication number: 20130232853
    Abstract: The present invention is directed generally to a method of production of biobased chemicals, biofuels, and lignin residues from lignin sources, including waste lignin. This method may allow for selectively producing biobased chemicals, biofuels, and lignin residues from lignin sources using certain processing methods. The methods for production of these biobased chemicals, biofuels, and lignin residues may be provided by chemical-induced processing, catalytic oxidative lignin depolymerisation processing, and catalytic hydroprocessing. Further, the catalytic hydroprocessing from processes including catalytic reduction processing, catalytic hydrodeoxygenation processing, and/or catalytic/dehydrogenation processing may also be used. The method described herein also provides a means in which waste from the process(es) may be reduced and/or recycled.
    Type: Application
    Filed: May 14, 2012
    Publication date: September 12, 2013
    Applicant: THESIS CHEMISTRY, LLC
    Inventors: John R. Peterson, Jignesh S. Patel, Vladimir Romakh, Benjamin M.T. Scott
  • Patent number: 8530689
    Abstract: The invention concerns processes for the synthesis of a compound of the formula: wherein: R1 and R2 are each, independently, C1-C12 alkyl, CO2R3, OR4, R5(OR6), or C6-C18 aryl; R3-R6 are each, independently, C1-C12 alkyl or C6-C12 aryl; and n and m are each, independently, O or an integer from 1-5; said process comprising:—contacting a compound of the formula H0-R7-0H with BH3 and a compound of the formula in the presence of a nickel-containing catalyst to produce a first product, where R7 is a C2-C12 hydrocarbon group and X is a halogen, OMs or OTs;—contacting the first product in situ with a compound of the formula: in the presence of a nickel-containing catalyst to produce a compound of formula I, where Z is a halogen.
    Type: Grant
    Filed: April 30, 2009
    Date of Patent: September 10, 2013
    Assignee: The Trustees Of The University Of Pennsylvania
    Inventors: Virgil Percec, Brad Matthew Rosen, Daniela A. Wilson, Christopher J. Wilson
  • Publication number: 20130228720
    Abstract: Chiral liquid crystal compounds of the general formula (1): in which at least one of R1 and R2 is a chiral substituent, K may be a single bond or the same as K1-5 and K1-5 denote a six-membered ring system which rings may be at least partially unsaturated, wherein the number of atoms in these rings or ring systems between the two atoms forming a part of the link to the next ring, or to one of the substituents R1 and R2, does not differ by more than one if counted in the clockwise, and in the counter-clockwise sense, starting from the same atom in each case, X1-20 denote alkyl, or alkoxy, or fluorinated alkyl, or fluorinated alkoxy groups, or atom H, or halogen atoms, mixtures comprising such chiral liquid crystal compounds, and liquid crystal displays comprising such mixtures as active ingredients
    Type: Application
    Filed: April 15, 2013
    Publication date: September 5, 2013
    Applicant: Tetragon LC Chemie AG
    Inventors: Wolfgang Haase, Artsiom Lapanik
  • Publication number: 20130230669
    Abstract: To provide a liquid crystal compound showing a large absolute value of dielectric anisotropy (|??|. A compound is represented by formula (1): wherein, in formula (1), Ra and Rb are fluorine, alkyl having 1 to 10 carbons or the like, and in the alkyl, at least one of —CH2— may be replaced by —O— or the like, however, Ra and Rb are not identical; A1, A2, A3, A4 and A5 are 1,4-cyclohexylene, 1,4-phenylene or the like, and in the groups, at least one of hydrogen may be replaced by fluorine; Z1, Z2, Z4 and Z5 are a single bond or the like; Y1, Y2, Y3 and Y4 are hydrogen, fluorine or the like; and m, n, q and r are 0, 1 or 2, and a sum of m, n, q and r is 0, 1, 2, 3 or 4.
    Type: Application
    Filed: February 28, 2013
    Publication date: September 5, 2013
    Applicants: JNC PETROCHEMICAL CORPORATION, JNC CORPORATION
    Inventor: Yasuyuki SASADA
  • Publication number: 20130210928
    Abstract: The present invention provides a novel biphenyl compound or pharmaceutically acceptable salts thereof, methods for preparing the same, and pharmaceutical compositions for preventing or treating diabetic complications containing the same as an active ingredient. Novel biphenyl compounds, according to the present invention, effectively suppress generation activity of advanced glycation end products, which cause diabetic complications and are a criterion for evaluating the effectiveness of a treating agent for diabetic complications, and show an excellent therapeutic effect on retina blood vessels, increased occludin, and decreased angiogenic growth factor in actual diabetic retinopathy induced retina. Thus, novel biphenyl compounds according to the present invention can be used effectively as an active ingredient in compositions for preventing or treating diabetic complications such as diabetic retinopathy.
    Type: Application
    Filed: August 11, 2011
    Publication date: August 15, 2013
    Applicant: KOREA INSTITUTE OF ORIENTAL MEDICINE
    Inventors: Jin Sook Kim, Young Sook Kim, Jung Hyun Kim, Eun Jin Shon, Ki Mo Kim, Chan-sik Kim, Dong Ho Jung, Yun Mi Lee, Kyu Hyung Jo, Ohn Soon Kim, Nam-Hee Yoo
  • Publication number: 20130182202
    Abstract: The present invention relates to liquid-crystalline media (LC media) having negative or positive dielectric anisotropy comprising self-aligning mesogens (SAMs) which effect homeotropic (vertical) alignment of the LC media at a surface or the cell walls of a liquid-crystal display (LC display). The invention therefore also encompasses LC displays having homeotropic alignment of the liquid-crystalline medium (LC medium) without conventional imide alignment layers. The LC media may be supplemented by a polymerisable or polymerised component, which serves for stabilisation of the alignment, for adjustment of the tilt angle and/or as passivation layer.
    Type: Application
    Filed: August 29, 2011
    Publication date: July 18, 2013
    Applicant: MERCK PATENT GESELLSCHAFT MIT BESCHRANKTER HAFTUNG
    Inventors: Archetti Graziano, Andreas Taugerbeck
  • Publication number: 20130131337
    Abstract: An optically active bisbenzyl compound or a racemic bisbenzyl compound represented by formula (2) that has axial chirality. An optically active azepine derivative or a racemic azepine derivative represented by formula (3). Methods of producing an optically active quaternary ammonium salt compound represented by formula (8).
    Type: Application
    Filed: December 5, 2012
    Publication date: May 23, 2013
    Applicant: NIPPON SODA CO., LTD.
    Inventor: NIPPON SODA CO., LTD.
  • Publication number: 20130126783
    Abstract: A liquid crystal compound is described, which has stability to heat, light and so forth, keeps a nematic phase in a wide temperature range, has a small viscosity, a suitable optical anisotropy and a suitable elastic constant K33, and further has a large negative dielectric anisotropy and an excellent compatibility with other liquid crystal compounds. The liquid crystal compound is represented by formula (1): wherein, for example, R1 is alkyl having 1 to 10 carbons, R2 is alkoxy having 1 to 10 carbons; ring A1, ring A2 and ring A5 are 1,4-cyclohexylene, 1,4-phenylene, or 1,4-phenylene in which arbitrary hydrogen is replaced by fluorine; Z1 and Z4 are a single bond, —CH2CH2— or —CH?CH—; a, b and e are 0 or 1, and c and d is 0; X1, X2 and X4 are hydrogen, and X3 is fluorine; and L1 and L2 are fluorine.
    Type: Application
    Filed: July 27, 2011
    Publication date: May 23, 2013
    Applicants: JNC PETROCHEMICAL CORPORATION, JNC CORPORATION
    Inventors: Takahiro Kubo, Hiroyuki Tanaka
  • Publication number: 20130085306
    Abstract: A liquid crystal compound and a liquid crystal medium are described. The liquid crystal compound is stable to heat and light and has a large dielectric anisotropy and a large optical anisotropy. The liquid crystal medium has a wide temperature range of liquid crystal phase, a large optical anisotropy and a large dielectric anisotropy, and exhibits an optically isotropic liquid crystal phase. The liquid crystal compound has 4 or 5 benzene rings, one of which is a chlorofluorobenzene ring. The liquid crystal medium is characterized in containing the liquid crystal compound and a chiral dopant and exhibiting an optically isotropic liquid crystal phase.
    Type: Application
    Filed: November 30, 2012
    Publication date: April 4, 2013
    Inventor: YASUHIRO HASEBA
  • Publication number: 20120313041
    Abstract: A liquid crystal compound having a high stability to heat, light or the like, a high clearing point, a low minimum temperature of a liquid crystal phase, a small viscosity, a suitable optical anisotropy, a large dielectric anisotropy, a suitable elastic constant and an excellent compatibility with other liquid crystal compounds, and a liquid crystal composition including this compound, and a liquid crystal display device containing this composition. A compound represented by formula (1): for example, R1 is alkyl having 1 to 10 carbons; ring A1, ring A2 and ring A3 are 1,4-cyclohexylene, 1,4-phenylene or 1,4-phenylene in which at least one of hydrogen has been replaced by fluorine; Z1 is a single bond, and Z2 and Z3 are —CF2O— or —OCF2—; X1 is fluorine; and L1 and L2 are fluorine.
    Type: Application
    Filed: June 6, 2012
    Publication date: December 13, 2012
    Applicants: JNC PETROCHEMICAL CORPORATION, JNC CORPORATION
    Inventors: Takahiro KUBO, Yasuyuki GOTO
  • Patent number: 8298632
    Abstract: The invention provides a liquid crystal compound having a suitable value of refractive index anisotropy, a suitable value of dielectric anisotropy, steep characteristics electro-optic characteristics, a wide temperature range of a nematic phase and an excellent compatibility with other liquid crystal compounds, and a liquid crystal compounds especially having a wide temperature range of a nematic phase. A compound represented by formula (1). For example, R1 and R2 are each independently alkyl having 1 to 9 carbons or alkenyl having 2 to 9 carbons, alkoxy having 1 to 8 carbons or alkenyloxy having 2 to 8 carbons; Q1 and Q4 are each independently fluorine or chlorine; Q2 and Q3 are each independently hydrogen, fluorine or chlorine, and one of Q2 and Q3 is hydrogen; Z is —CH2 O— or —COO—; and h is 1 or 2.
    Type: Grant
    Filed: January 27, 2010
    Date of Patent: October 30, 2012
    Assignees: JNC Corporation, JNC Petrochemical Corporation
    Inventors: Teru Shimada, Junichi Yamashita
  • Publication number: 20120168677
    Abstract: A liquid crystal compound represented by formula (1-1). For example, R1 and R2 are independently hydrogen, alkyl having 1 to 10 carbons, alkenyl having 2 to 10 carbons, alkoxy having 1 to 9 carbons, alkoxyalkyl having 2 to 9 carbons or alkenyloxy having 2 to 9 carbons; the ring A1 is trans-1,4-cyclohexylene, 1,4-cyclohexenylene, 1,3-dioxane-2,5-diyl, pyrimidine-2,5-diyl or pyridine-2,5-diyl; L1 and L2 are independently hydrogen or fluorine, and at least one of them is fluorine; and Z1, Z2 and Z3 are independently a single bond, —(CH2)2—, —CH?CH—, —C?C—, —CH2O—, —OCH2—, —COO— or —OCO—.
    Type: Application
    Filed: September 2, 2010
    Publication date: July 5, 2012
    Applicants: JNC PETROCHEMICAL CORPORATION, JNC CORPORATION
    Inventors: Masahide Kobayashi, Junichi Yamashita
  • Patent number: 8187494
    Abstract: The invention provides a liquid crystal compound having stability to heat, light and so forth, a wide temperature range of a nematic phase, a small viscosity, a suitable optical anisotropy, and a suitable elastic constant K33, and further having a suitable and negative dielectric anisotropy and an excellent compatibility with other liquid crystal compounds, and a liquid crystal composition having stability to heat, light and so forth, a low viscosity, a large optical anisotropy, a suitable and negative dielectric anisotropy, and a suitable elastic constant K33, a low threshold voltage, a high maximum temperature (phase-transition temperature on a nematic phase-isotropic phase) of a nematic phase, and a low minimum temperature of the nematic phase. The liquid crystal compound which has a specific structure having fluorine at a lateral position and also having phenylene in which hydrogen on the benzene ring is replaced by fluorine, and a liquid crystal composition containing the compound are prepared.
    Type: Grant
    Filed: August 26, 2008
    Date of Patent: May 29, 2012
    Assignees: JNC Corporation, Chisso Petrochemical Corporation
    Inventors: Masahide Kobayashi, Teru Shimada
  • Publication number: 20120101309
    Abstract: The present invention discloses an optically active quanternary ammonium salt having axial asymmetry and a method for producing an ?-amino acid and a derivative thereof using the same. The optically active quanternary ammonium salt having axial asymmetry of the present invention is a chiral phase-transfer catalyst that has a simple structure and that can be produced in a smaller number of process steps. The compound of the present invention is very useful as a phase-transfer catalyst in the synthesis of an ?-alkyl-?-amino acid and a derivative thereof as well as an ?,?-dialkyl-?-amino acid and a derivative thereof. Therefore, the compound of the present invention can be used in the development of novel foods and pharmaceuticals.
    Type: Application
    Filed: December 28, 2011
    Publication date: April 26, 2012
    Applicant: NAGASE & CO., LTD.
    Inventors: Keiji MARUOKA, Kenichiro YAMAMOTO, Yukifumi NISHIMOTO
  • Publication number: 20120101310
    Abstract: The present invention discloses an optically active quarternary ammonium salt having axial asymmetry and a method for producing an ?-amino acid and a derivative thereof using the same. The optically active quarternary ammonium salt having axial asymmetry of the present invention is a chiral phase-transfer catalyst that has a simple structure and that can be produced in a smaller number of process steps. The compound of the present invention is very useful as a phase-transfer catalyst in the synthesis of an ?-alkyl-?-amino acid and a derivative thereof as well as an ?,?-dialkyl-?-amino acid and a derivative thereof. Therefore, the compound of the present invention can be used in the development of novel foods and pharmaceuticals.
    Type: Application
    Filed: December 28, 2011
    Publication date: April 26, 2012
    Applicant: NAGASE & CO., LTD.
    Inventors: Keiji MARUOKA, Kenichiro Yamamoto, Yukifumi Nishimoto
  • Publication number: 20120090225
    Abstract: A compound having formula (I) wherein G represents at least one substituent selected from the group consisting of C1-C12 alkyl and C1-C12 alkoxy.
    Type: Application
    Filed: October 4, 2011
    Publication date: April 19, 2012
    Inventors: George David Green, Raymond John Swedo
  • Publication number: 20120029235
    Abstract: The present invention concerns compounds derived from the anaethetic propofol. The compounds may be useful in the treatment of pain, particularly, but not exclusively, chronic pain and central pain sensitisation.
    Type: Application
    Filed: December 9, 2009
    Publication date: February 2, 2012
    Inventors: Martin Leuwer, Paul O'Neill, Neil Berry, Gertrud Haeseler
  • Publication number: 20120018672
    Abstract: The invention provides a liquid crystal compound having a high stability to heat, light or the like, a wide temperature range of a nematic phase, a small viscosity, a large optical anisotropy and a suitable elastic constant K33, and further having a suitable negative dielectric anisotropy and an excellent compatibility with other liquid crystal compounds. The invention also provides a liquid crystal composition including this liquid crystal compound and a liquid crystal display device containing this liquid crystal composition. A liquid crystal compound represented by formula (a): For example, Ra and Rb are alkyl having 1 to 10 carbons, alkenyl having 2 to 10 carbons or alkoxy having 1 to 9 carbons; the ring A1 and the ring A2 are 1,4-phenylene or trans-1,4-cyclohexylene; L1, L2, L3 and L4 are hydrogen or fluorine, and at least three of them are fluorine; and Z1 and Z2 are a single bond, —(CH2)2—, —CH?CH—, —CH2O— or —OCH2—.
    Type: Application
    Filed: January 12, 2010
    Publication date: January 26, 2012
    Applicants: CHISSO PETROCHEMICAL CORPORATION, JNC CORPORATION
    Inventor: Masahide Kobayashi
  • Publication number: 20110315925
    Abstract: The invention provides a liquid crystal composition that satisfies at least one of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a small viscosity, a large optical anisotropy, a large dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or that is suitably balanced between at least two of the characteristics. The liquid crystal composition has a nematic phase, and includes a specific optically active compound as a first component and may optionally include a specific compound having a high maximum temperature or a small viscosity as a second component, and a specific compound having a large positive dielectric anisotropy as a third component, and the liquid crystal display device contains this composition.
    Type: Application
    Filed: March 2, 2010
    Publication date: December 29, 2011
    Applicants: CHISSO PETROCHEMICAL CORPORATION, JNC CORPORATION
    Inventors: Takashi Hiraoka, Masayuki Saito, Kouki Sago
  • Publication number: 20110272630
    Abstract: The invention provides a liquid crystal compound having a suitable value of refractive index anisotropy, a suitable value of dielectric anisotropy, steep characteristics electro-optic characteristics, a wide temperature range of a nematic phase and an excellent compatibility with other liquid crystal compounds, and a liquid crystal compounds especially having a wide temperature range of a nematic phase. A compound represented by formula (1). For example, R1 and R2 are each independently alkyl having 1 to 9 carbons or alkenyl having 2 to 9 carbons, alkoxy having 1 to 8 carbons or alkenyloxy having 2 to 8 carbons; Q1 and Q4 are each independently fluorine or chlorine; Q2 and Q3 are each independently hydrogen, fluorine or chlorine, and one of Q2 and Q3 is hydrogen; Z is —CH2O— or —COO—; and h is 1 or 2.
    Type: Application
    Filed: January 27, 2010
    Publication date: November 10, 2011
    Applicants: CHISSO PETROCHEMICAL CORPORATION, JNC CORPORATION
    Inventors: Teru Shimada, Junichi Yamashita
  • Publication number: 20110240919
    Abstract: The subject is to provide a liquid crystal that has a high stability to heat, light and so forth, a wide temperature range of a nematic phase, a small viscosity, a large optical anisotropy and a suitable elastic constant K33, and further has a large negative dielectric anisotropy and an excellent compatibility with any other liquid crystal compound. The invention provides the compound (1): wherein, for example, R1 and R2 are hydrogen, alkyl having 1 to 10 carbons, alkenyl having 2 to 10 carbons, alkoxy having 1 to 9 carbons, alkoxyalkyl having 2 to 9 carbons or alkenyloxy having 2 to 9 carbons; when one of the ring A1, the ring A2 and the ring A3 is 1,4-phenylene or 2,3-difluoro-1,4-phenylene, the other two are 1,4-cyclohexylene or 1,4-cyclohexenylene; and Z1 is a single bond, —(CH2)2—, —CH2O—, —OCH2—, —COO— or —OCO—.
    Type: Application
    Filed: March 28, 2011
    Publication date: October 6, 2011
    Applicants: CHISSO CORPORATION, CHISSO PETROCHEMICAL CORPORATION
    Inventor: Masahide KOBAYASHI
  • Publication number: 20110207957
    Abstract: The invention concerns processes for the synthesis of a compound of the formula: wherein: R1 and R2 are each, independently, C1-C12 alkyl, CO2R3, OR4, R5(OR6), or C6-C18 aryl; R3-R6 are each, independently, C1-C12 alkyl or C6-C12 aryl; and n and m are each, independently, O or an integer from 1-5; said process comprising: —contacting a compound of the formula H0-R7-0H with BH3 and a compound of the formula in the presence of a nickel-containing catalyst to produce a first product, where R7 is a C2-C12 hydrocarbon group and X is a halogen, OMs or OTs; —contacting the first product in situ with a compound of the formula: in the presence of a nickel-containing catalyst to produce a compound of formula I, where Z is a halogen.
    Type: Application
    Filed: April 30, 2009
    Publication date: August 25, 2011
    Applicant: THE TRUSTEES OF THE UNIVERSITY OF PENNSYLVANIA
    Inventors: Virgil Percec, Brad Matthew Rosen, Daniela A. Wilson, Christopher J. Wilson
  • Publication number: 20110166390
    Abstract: The present invention provides cycloparaphenylene compounds, their macrocyclic precursors, and methods for making the compounds. The cycloparaphenylene compounds can be used to prepare armchair carbon nanotubes.
    Type: Application
    Filed: November 29, 2010
    Publication date: July 7, 2011
    Applicant: Lawrence Berkeley National Laboratory
    Inventors: Ramesh Jasti, Carolyn Bertozzi
  • Patent number: 7960557
    Abstract: Asymmetric light-emitting dendrimers having the formulae: (a) CORE-[DENDRITE1]n[DENDRITE2]m and (b) CORE-[DENDRITE]n are disclosed.
    Type: Grant
    Filed: May 26, 2009
    Date of Patent: June 14, 2011
    Assignees: Isis Innovation Limited, The University Court of the University of St. Andrews
    Inventors: Paul Leslie Burn, Ifor David William Samuel, Shih-Chun Lo
  • Patent number: 7951877
    Abstract: A process, advantageous in producibility, for the production of a vinyl compound containing very small amounts of ionic impurities and hydrolysable halogens, which is capable of curing by means of heat and/or light and giving a cured product having excellent dielectric characteristics and heat resistance, which process can efficiently remove a generated salt and comprises reacting a non-protonic polar solvent solution of a specific bifunctional phenylene ether oligomer with a vinylbenzyl halide in the presence of an alkoxide of an alkali metal, wherein the thus-obtained reaction solution is acidified with a specific amount of an acidic substance, then a salt generated is removed, an alkali substance containing a specific amount of an alkali metal is added to the thus-obtained solution, then a salt generated is removed, and the thus-obtained solution is mixed with water or a water-alcohol mixed solution, to precipitate a solid.
    Type: Grant
    Filed: June 17, 2008
    Date of Patent: May 31, 2011
    Assignee: Mitaubishi Gas Chemical Company, Inc.
    Inventors: Jun Nakano, Takeru Horino, Makoto Miyamoto, Atsushi Hirashima, Yasumasa Norisue
  • Patent number: 7947423
    Abstract: A photosensitive compound whose size is smaller than conventional polymer for photoresist, and which has well-defined (uniform) structure, and a photoresist composition including the same are disclosed. The photosensitive compound represented by the following formula 1. Also, the photoresist composition comprises 1 to 85 wt % (weight %) of the photosensitive compound; 0.05 to 15 weight parts of a photo-acid generator with respect to 100 weight parts of the photosensitive compound; and 200 to 5000 weight parts of an organic solvent. In the formula 1, x is 1, 2, 3, 4 or 5, y is 2, 3, 4, 5 or 6, and R and R? are independently a chain type or a ring type of aliphatic or aromatic hydrocarbon group of 1 to 30 carbon atoms.
    Type: Grant
    Filed: September 11, 2008
    Date of Patent: May 24, 2011
    Assignee: Dongjin Semichem Co., Ltd.
    Inventors: Jae-Woo Lee, Min-Ja Yoo, Jun-Gyeong Lee, Young-Bae Lim, Jae-Hyun Kim
  • Publication number: 20110101271
    Abstract: The present invention relates to chemical compounds containing five or more benzene rings arranged in a linear manner and two bridging units between these rings, where at least one of these units represents a —CF2O— bridge. The invention additionally relates to liquid-crystalline media and to high-frequency components comprising these media, in particular antennae, especially for the gigahertz range.
    Type: Application
    Filed: November 3, 2010
    Publication date: May 5, 2011
    Applicant: MERCK PATENT GESELLSCHAFT MIT BESCHRANKTER HAFTUNG
    Inventors: Lars Lietzau, Werner Binder, Atsutaka Manabe, Helmut Haensel