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| Number | Title | Issue Date |
| 8158835 | Fluorene compound and organic electroluminescence device Provided is a novel fluorene compound, which is represented by the following general formula (1): ... | 04/17/2012 |
| 8039681 | Functionalized carbon materials This invention relates to carbon materials, such as a fullerene molecule or a curved carbon nanostructure, that are functionalized by addition chemistry performed on surface C—C double bond. ... | 10/18/2011 |
| 7524998 | Fabrication of self-assembled dendron monolayers A dendron (2) comprising a focal point (4) and a plurality of fluorinated end groups (9) is disclosed, including one having a thiol, a silane, a carboxylic acid, a phosphonate or another moiety at the focal point suitable for chemisorption to a substrate (3). A self... | 04/28/2009 |
| 7488856 | Compounds based on fluoranthene and use thereof The invention relates to fluoranthene derivatives of the general formula (I) in which R1, R2, R3 and a are each defined according to the description, with the proviso that at least one of th... | 02/10/2009 |
| 7439407 | Fluorinated pentacene derivative and method of producing same Fluorinated pentacene derivatives, for example, the novel compounds tetradecafluoropentacene, 5,6,7,12,13,14-hexafluoropentacene, 5,7,12,14-tetrafluoropentacene, and 6,13-difluoropentacene, and intermediates therefor are provided. And a method of producing fluorinat... | 10/21/2008 |
| 7407691 | Photopolymerizable oxetane derivative and liquid-crystal composition containing it Provided are a liquid-crystal compound and a liquid-crystal composition containing the compound, of which the advantages are that they show nematic hybrid orientation on a rubbed TAC substrate, they are polymerizable in open air and they readily give a polymer havin... | 08/05/2008 |
| 7374700 | Hexenediyne derivative Provided is a liquid crystalline compound which has a large value of refractive index anisotropy, exhibits a liquid crystal phase in a wide temperature range, and is stable under use conditions. It is a liquid crystalline compound represented by the following... | 05/20/2008 |
| 7358406 | Electroluminescent fluorinated pyrenes, and devices made with such compounds This invention relates to electroluminescent fluorinated pyrene compounds. It also relates to electronic devices in which the active layer includes an electroluminescent fluorinated pyrene compound. ... | 04/15/2008 |
| 7351452 | Liquid crystalline compounds containing a biphenyl core A compound of formula (I) or a dimer thereof; where R1 and R2 are independently selected from optionally substituted alkyl, optionally substitituted alkenyl, optionally substit... | 04/01/2008 |
| 7321050 | Anti-inflammatory and psoriasis treatment and protein kinase inhibition by hydroxy stilbenes and novel stilbene derivatives and analogues The present invention provides novel diphenyl ethene compounds and pharmaceutically-acceptable salts thereof. Also provided are methods for making the compounds of the invention as well as methods for the use thereof in the treatment of immune, inflammatory, and aut... | 01/22/2008 |
| 7318950 | Chiral compounds II The invention relates to chiral compounds of formula (I) R1—X1-(A1-Z1)m-G-(Z2-A2)n-X2—R2, wherein R1, R2, X1, X2 | 01/15/2008 |
| 7316830 | Liquid-crystalline phenol esters The invention relates to liquid-crystalline phenol esters of the formula I in which R, A1, Z1, m, L and Y are as defined in Claim 1, to liquid-crystalline media comprising a... | 01/08/2008 |
| 7309395 | System for forming composite polymer dielectric film A system for depositing a composite polymer dielectric film on a substrate is disclosed, wherein the composite polymer dielectric film includes a low dielectric constant polymer layer disposed between a first silane-containing layer and a second silane-containing la... | 12/18/2007 |
| 7294371 | Liquid crystal compound having high optical anisotropy and negative dielectric anisotropy, liquid crystal composition including the same and liquid crystal display including the liquid crystal composition Provided are a liquid crystal compound represented by formula 1, a liquid crystal composition including the same, and a liquid crystal display including the liquid crystal composition: wh... | 11/13/2007 |
| 7279202 | Liquid crystalline compound for vertical alignment and a liquid crystalline composition comprising the same A vertical alignment liquid crystalline compound containing a laterally substituted aromatic cyclic moiety. The liquid crystalline compound has a wide temperature range of the nematic phase, a high optical anisotropy and a high negative dielectric anisotropy. In add... | 10/09/2007 |
| 7270856 | Cyclobutane derivatives The invention relates to novel cyclobutane derivatives of the formula (I), in which R1, R2, A, Z, m, n and o have the meaning indicated in claim 1, to the use thereof as components of liquid-crystalline media, and to liquid-crystal and e... | 09/18/2007 |
| 7250199 | Phenylcyclohexanes and a liquid-crystalline medium Novel phenylcyclohexanes of the formula I in which n is 0 to 7, Q1 and Q2 are H, or one of these radicals is alternatively CH3, r is 0, 1, 2, 3, 4 or 5, A is trans-1,4-cyclohexyle... | 07/31/2007 |
| 7220784 | Substituted stilbenes and their reactions The present invention relates to stilbene and quinone compounds related to combretastatin A-4 and their use as anticancer compounds and prodrugs. The compounds include those with an alkyl group on the double bond of cis or trans-stilbenes, compounds with one or more... | 05/22/2007 |
| 7183447 | Process for the preparation of ring compounds In a process for the preparation of ring compounds via a combinatorial synthesis, the reaction procedure is based on a Suzuki coupling, subsequent halo-demetallation and finally a further Suzuki coupling. The Suzuki couplings are each carried out with a boronic acid... | 02/27/2007 |
| 7182885 | Fluorinated indenes and 1,7-dihydroindacenes of negative dielectric anisotropy Fluorinated indenes and 1,7-dihydroindacenes of the general formulae (I) and (II) of negative dielectric anisotropy (Δε | 02/27/2007 |
| 7135210 | Liquid crystal compounds The invention relates to liquid crystal compounds of formula (I), where X1, X2, X3, Z1, Z2, L1, L2, L3, L4, L5, L6, L7, L8,... | 11/14/2006 |
| 7125589 | Liquid crystal compound having hydrogen as a terminal group, composition comprising the compound, and liquid crystal display element comprising the composition A compound represented by the following formula (1), a composition comprising the composition and an element comprising the composition: Ra is alkyl having 1 to 15 carbons and so forth; A1, A2 | 10/24/2006 |
| 7122710 | Fluorination of polymeric C The present invention is directed towards the fluorination of polymeric C60 and towards the chemical and physical modifications of polymeric C60 that can be accomplished through fluorination. ... | 10/17/2006 |
| 7122228 | Compound having negative Δε The invention relates to indanes having negative Δε of the formula Ia or Ib in which R, A, Z, X, Y, V, W, n and m are as defined in claim 1. The compounds are particularly suitable for producing VA-TFT ... | 10/17/2006 |
| 7105467 | Nickel catalyzed cross-coupling reactions between organomagnesium compounds and anisole derivatives The present invention provides nickel catalysts and solvents which are useful in a cross-coupling reaction between an organomagnesium compound and an aromatic ether compound, such as an anisole derivative. ... | 09/12/2006 |
| 7087272 | Fluorinated fluorene derivatives The invention relates to fluorinated fluorene derivatives of negative DC anisotropy, of the formula I R1—(—A1—Z1—)k1—(—A2—Z2—)k2—W—(—Z3—A3 | 08/08/2006 |
| 7083832 | Partially fluorinated liquid crystal material The invention provides LC compositions that exhibit V-shaped switching when aligned in an analog device configuration and exhibit bistability when aligned in a bookshelf-type device configuration. The invention more specifically provides LC compositions of formula 1... | 08/01/2006 |
| 7081279 | Alkenyl compound having a negative Δε value, liquid crystal composition, and liquid crystal display device Liquid crystalline compounds having a large negative Δε low viscosity, a large K33/K11 value, a small Δε/Δ⊥ and mutually excellent solubility even at low temperature, compositions containing at least one of the compounds and liquid cryst... | 07/25/2006 |
| 7074462 | Ester compounds and their use in liquid crystalline media The invention relates to compounds of the formula I and to a liquid-crystalline medium based on a mixture of polar compounds of positive dielectric anisotropy, characterized in that it comprises one or more compounds of the general formula I ... | 07/11/2006 |
| 7070838 | Liquid crystalline compound, liquid crystal composition and their polymers The present invention provides a compound represented by formula (1) defined in the specification and a liquid crystal composition comprising the compound. The invention further provides a polymer obtained by polymerization of compound or composition above, and furt... | 07/04/2006 |
| 7041347 | 1,4-Di-(trans-4-cyclohexyl)benzene derivatives and their use in liquid crystal media and liquid crystal devices Liquid-crystalline media comprising one or more compounds of the formula I in which Ra, Rb, L and r are as defined herein, are suitable for use in, for example, TN and STN liquid crystal displays | 05/09/2006 |
| 7033652 | Liquid-crystalline medium Liquid-crystalline media comprising at least one compound of the formula I in which X, L1, L2 and L3 are as defined herein, are useful for use in elect... | 04/25/2006 |
| 7029730 | CFO-bridged, axially substituted cyclohexane derivatives The invention relates to CF2O-bridged cyclohexane derivatives, in particular compounds of formula (I), R1-(-A1-Z1-)k1-Q-CF2O-A2-(-Z3-A3-)K3-R2, wherein Q represents group (a); W1, W2 represent —CH2— and/or —O— inde... | 04/18/2006 |
| 7026021 | Fluorinated heterocycles and their use in liquid-crystal mixtures Compounds of the general formula (I) where: R1, R2 are each independently a) H b) -M1-A1-R5 | 04/11/2006 |
| 6955837 | Phenylcyclohexanes and a liquid-crystalline medium Novel phenylcyclohexanes of the formula I in which n is 0 to 7, Q1 and Q2 are H, or one of these radicals is alternatively CH3, r is 0, 1, 2, 3, 4 or 5, A is trans-1,4-cyclohexylene, 1,... | 10/18/2005 |
| 6943275 | Process of preparing a disubstituted 9-alkylidenefluorene or a derivative thereof The invention relates to a process of preparing disubstituted 9-alkylidenefluorenes and structure analogous compounds, to novel compounds and intermediates prepared by this process, their use for the preparation of conjugated polymers and copolymers thereof, and to ... | 09/13/2005 |
| 6909023 | Production method for benzenedimethanol compound To provide a novel method for producing a fluorinated benzenedimethanol compound useful as a starting material or an intermediate in the production of agricultural or medicinal chemicals in an industrially advantageous manner. A method for producing a fluorin... | 06/21/2005 |
| 6908645 | Liquid-crystalline medium The invention relates to liquid-crystalline compounds of the formula I and to a liquid-crystalline medium based on a mixture of polar compounds, characterized in that it comprises one or more compounds of the general formula I | 06/21/2005 |
| 6844032 | Liquid crystal compounds having bis(trifluoromethyl) phenyl rings, liquid crystal compositions and liquid crystal display devices The compound (1) having 2,3-bis(trifluoromethyl)-1,4-phenylene is stable chemically and has excellent miscibility with other liquid crystal compounds, large and negative dielectric anisotropy and proper optical anisotropy. A liquid crystal composition comprising the... | 01/18/2005 |
| 6830788 | Polymerizable compounds and optical compensators A novel polymerizable compound represented by Formula (I) is disclosed. In the formula, A1 to A4 respectively denotes a hydrogen or substituent and at least one of A1 to A4 is halogen, alkyl group, alkoxy group, formyl or ... | 12/14/2004 |
