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| Number | Title | Issue Date |
| 8183403 | Organosilicon compound as well as rubber composition, tire, primer composition, paint composition and adhesive using the same This invention relates to a novel compound capable of largely reducing hysteresis loss of a rubber composition but also highly improving wear resistance, and more particularly to an organosilicon compound characterized by having one or more silicon-oxygen bond (Siâ€... | 05/22/2012 |
| 8158812 | Diol-derived organofunctional silane and compositions containing same Described are diol-derived organofunctional silanes in which the silanes contain cyclic and bridged alkoxy groups derived from hydrocarbon-based diols and methods for the preparation of the silanes. Also described are rubber compositions containing the diol-derived ... | 04/17/2012 |
| 7973190 | Polycyclic fused ring type π-conjugated organic material, intermediate therefor, process for producing polycyclic fused ring type π-conjugated organic material, and process for producing intermediate of polycyclic fused ring type π-conjugated organic material A polycyclic fused ring type π-conjugated organic material (VIIa, VIIb, VIIc, VIId) is obtained in the following manner. That is, as shown in Scheme 1 below, a starting material (I) is dimetalated with an organometallic base. The starting material (I) thus dimetala... | 07/05/2011 |
| 7960576 | Diol-derived organofunctional silane and compositions containing same Described are diol-derived organofunctional silanes in which the silanes contain cyclic and bridged alkoxy groups derived from hydrocarbon-based diols and methods for the preparation of the silanes. Also described are rubber compositions containing the diol-derived ... | 06/14/2011 |
| 7928258 | Cyclic diol-derived blocked mercaptofunctional silane compositions Diol derived blocked mercaptofunctional silane compositions in which the silanes comprise cyclic and bridged alkoxy groups derived from hydrocarbon-based diols and processes for their preparation are provided. Also provided are rubber compositions comprising the cyc... | 04/19/2011 |
| 7915437 | Compounds and methods of arylmethylation (benzylation) as protection for alcohol groups during chemical synthesis A process for benzylating an alcohol includes mixing 2-benzyloxy-1-methylpyridinium triflate in an aromatic hydrocarbon solvent having a predetermined boiling point; adding an acid scavenger to the mixture; combining the alcohol to be benzylated with the mixture; re... | 03/29/2011 |
| 7781604 | Fluorine-containing acrylate The present invention is a fluorine-containing acrylate or alpha-substituted, fluorine-containing acrylate, represented by the following formula (1): wherein a is an integer of from 1 to 4 and b is ... | 08/24/2010 |
| 7750174 | Fluoroalkyl carbinol generating silane surface treatment agents The compound is a silane surface treatment agent and is useful for modifying the surfaces of silicon oxide and other metal oxides with hexafluorodimethyl carbinol functional groups. Additionally provided is a surface treatment procedure that effectively bonds it and... | 07/06/2010 |
| 7705174 | Condensed polycyclic π-conjugated organic material, intermediate product therefor, and method of manufacturing condensed polycyclic π-conjugated organic material The invention provides condensed polycyclic π-conjugated organic materials and manufacturing methods for the materials. A metal reducing agent is reacted with a straight-chain, triple bond-containing hydrocarbon (aryl acetylene compound, phenyl acetylene compound),... | 04/27/2010 |
| 7579495 | Active-releasing cyclic siloxanes Cyclic siloxanes that contain releasable active ingredients are described. The active ingredient can be an alcohol or enolizable carbonyl-containing compound such as a ketone, aldehyde, or ester. The product siloxanes are useful in a variety of personal and househol... | 08/25/2009 |
| 7534905 | Reagents for asymmetric allylation, aldol, and tandem aldol and allyation reactions A new class of reagents and method of use of the reagents in the reaction of the reagents with electrophilic compounds. The invention in one embodiment is directed to a method for the formation of an alcohol of the formula (I). The method includes reacting a reagent... | 05/19/2009 |
| 7438981 | Indenofluorene compounds and organic electroluminescent devices using the same An organic electroluminescent material and a device using the same wherein the electroluminescent material is a charge transport indenofluorene selected from one of Formula (I) and Formula (II) wher... | 10/21/2008 |
| 7348073 | Spirocyclopentaphenanthrenefluorene-based compound and organoelectroluminescent device using the same A spiro-based compound containing cyclopentaphenanthrene and fluorene, which is used for an organoelectroluminescent device and an organoelectroluminescent device having the spiro-based compound. The spiro-based compound containing cyclopentaphenanthrene and fluoren... | 03/25/2008 |
| 7151139 | Antimicrobial polymeric surfaces Bactericidal compositions are disclosed that comprise a polymeric compound immobilized on a material. Medical devices are also disclosed which comprise such a bactericidal composition. Methods are disclosed for covalently derivatizing the surfaces of common material... | 12/19/2006 |
| 7138841 | Programmable phase shift and duty cycle correction circuit and method A phase shift and duty cycle correction circuit is disclosed herein as comprising a programmable digital to analog converter (DAC), a storage device (e.g., a capacitor), a charge sub-circuit and dump sub-circuit for charging and discharging the storage device, respe... | 11/21/2006 |
| 7108922 | Siloxane-based resin and interlayer insulating film formed using the same A siloxane-based resin having a novel structure and a semiconductor interlayer insulating film using the same. The siloxane-based resins have a low dielectric constant in addition to excellent mechanical properties and are useful materials in an insulating film betw... | 09/19/2006 |
| 7049454 | Alkoxysilacycloalkanes, process for their preparation and their use for the polymerization of olefins The invention relates to alkoxysilacycloalkanes, to the process of their preparation and to their use in the polymerization of olefins. The introduction of these alkoxysilacycloalkanes into the olefin polymerization environment makes it possible to raise the heptane... | 05/23/2006 |
| 7014925 | Heterogeneous spiro compounds in organic light emitting device elements A family of non-polymeric heterogeneous spiro compounds having visible light emissive, hole-transport, electron transport or bipolar-transport properties may be used in organic light emitting devices (OLEDs), as an emissive layer in the OLEDs and/or in one or more o... | 03/21/2006 |
| 6962758 | Organic light-emitting device using iptycene derivatives An organic light-emitting device (OLED) in which an iptycene derivative is used as the emissive layer and/or one or more of the charge transport layers, or as a host material for one or more of these layers. ... | 11/08/2005 |
| 6949666 | Process for producing polyorganosiloxane with solid-acid zirconium oxide catalyst The method for producing polyorganosiloxane from at least one type of organosilicon compound having a siloxane unit or alkoxysilane by the equilibrating reaction involving cleavage and recombination of the silicon-oxygen bond as a method carried out in the presence ... | 09/27/2005 |
| 6916555 | Organic luminescence device In an organic luminescence device formed of one or plural layers of organic films between an anode and a cathode, at least one layer is any one of a luminescence layer, an electron injection layer and an electron-transporting layer and is formed of at least a spiro ... | 07/12/2005 |
| 6740765 | Method for preparing cyclohexane carboxylic acids This invention relates to a method for preparing 4-substituted-4-cyanocyclohexane carboxylates by forming the cyclohexane ring by treating a α,α-bis(2-haloethyl)-4-benzeneacetonitrile with a dialkyl malonate and decarboxylating the resulting diester. ... | 05/25/2004 |
| 6740766 | Preparation of organochlorosilanes by the silylation of conjugated dienes with trichlorosilane The present invention relates to a process for preparing organosilicon compounds by the silylation of conjugated dienes and more particularly, to the process for preparing organosilicon compounds expressed by the following Formulas 1a and 1b in high yield, comprisin... | 05/25/2004 |
| 6635779 | Metallocene compounds, process for their preparation and their use in catalytic systems for the polymerization of olefins A class of metallocene compounds is disclosed having general formula (I) wherein Y is a moiety of formula (II) wherein A, B, and D, same or different from each other, are selected from an element of the groups 14 to 16 of the Periodic Table of the Element... | 10/21/2003 |
| 6576729 | Silylene catalysis of olefin polymerization Disclosed herein are methods for producing a polymer. One polymerizes monomers selected from alkene monomers and terminal alkyne monomers, in the presence of a catalyst which is a silylene. The catalyst can be a heterocyclic amido silylene which is at lea... | 06/10/2003 |
| 6476250 | Optically active fluorinated binaphthol derivative In order to provide a novel optically active binaphthol derivative useful as an asymmetric catalyst or the like, with which a higher reaction yield and a higher optical yield (selectivity) may be attained in asymmetric synthesis, an asymmetric catalyst us... | 11/05/2002 |
| 6462214 | Method of preparing silacycloalkanes According to the present invention, a method of preparing a silacycloalkane, comprising the steps of (A) adding a substituted silacycloalkane having the formula: ##STR1## wherein X1 is --F, --Cl, --Br, or --OR1 and X2 is X... | 10/08/2002 |
| 6444833 | Metallocene compounds, process for their preparation and their use in catalytic systems for the polymerization of olefins A class of metallocene compounds is disclosed having the general formula (I): ##STR1## wherein Y is a moiety of formula (II) ##STR2## wherein A, B and D, same or different from each other, are selected from an element of the groups 14 to 16 of the Pe... | 09/03/2002 |
| 6376694 | Silole derivatives and organic electroluminescent element containing the same A specific silole derivative represented by Formula (1) is incorporated into an organic electroluminescent element. Thus, the element can have a high efficiency and a long life. ##STR1## In Formula (1), R1 and R2 each independently r... | 04/23/2002 |
| 6329082 | Hetero-spiro compounds and their use as electroluminescence materials Hetero-spiro compounds of the formula (I), ##STR1## where .PSI. is an element of the 4th main group of the Periodic Table with the exception of carbon, preferably Sn, Ge or Si, particularly preferably Ge or Si, and K1 and K2 are, ind... | 12/11/2001 |
| 6329027 | Chlorobenzene derivatives, liquid-crystal composition, and liquid-crystal display elements Provided are liquid crystalline compounds having excellent physical properties and being excellent in miscibility with other liquid crystal materials; liquid crystal compositions comprising the crystalline compound; and liquid crystal display device fabri... | 12/11/2001 |
| 6228961 | Alkoxysilacycloalkanes, process for their preparation and their use for the polymerization of olefins The invention relates to alkoxysilacycloalkanes, to the process for their preparation and to their use in the polymerization of olefins. The introduction of these alkoxysilacycloalkanes into the olefin polymerization environment makes it possible to raise the ... | 05/08/2001 |
| 6184322 | Metal-containing side chain liquid crystal polymers A group fo liquid crystalline compounds defined by formulas (1) and (2) ##STR1## including polymers, monomers, oligomers and intermediates for their preparation. Also included are symmetric and non-symmetric poly(dimethylsiloxy) compounds having end group... | 02/06/2001 |
| 6169193 | Polysiloles and polygermoles Disclosed herein are polysilole and polygermole compounds. The silicon or germanium ring atom is directly linked in the polymer to another silicon or germanium ring atom from another polymer unit. The result is compounds that fluoresce and have electrolum... | 01/02/2001 |
| 6162799 | Pesticidal compounds This invention relates to certain naphthoquinone derivatives of the general formula ##STR1## or a salt thereof, in which m, n, R, R1, R2, R3, R4, R5, R6, R7, R8 a... | 12/19/2000 |
| 6153781 | Silacyclobutene compounds, methods of preparing same, and polymers formed therefrom A silacyclobutene compound having the formula: ##STR1## wherein R1 and R2 are independently chloro, triorganosiloxy, organooxy, triorganosilyl, or a monovalent hydrocarbon group; R3 is a monovalent hydrocarbon group f... | 11/28/2000 |
| 6051319 | Silacyclopentadiene derivatives and an organic electroluminescent element obtained by using the silacyclopentadiene derivative An electroluminescence element (EL) obtained by using a silacyclopentadiene derivation expressed by the general formula (I) and the derivative are provided. ##STR1## (wherein X and Y are independently hydrocarbon radicals with from 1 to 6 atoms ... | 04/18/2000 |
| 6007740 | Polyhaloalkyl ether derivatives as well as liquid crystal compositions and liquid crystal display elements containing them A compound expressed by the general formula (1): wherein R1 denotes an alkyl group having 1 to 20 carbon atoms in which one or more methylene groups in said group may be replaced by oxygen atoms or --CH.dbd.CH-- and one or more hydrogen atoms in sai... | 12/28/1999 |
| 6005128 | Silacyclopentadiene derivative The present invention provides a silacyclopentadiene derivative represented by the following Formula (1): ##STR1## wherein X1 and Y1 represent independently a halogen atom, an amino group, a hydroxyl group, or an amino group or ... | 12/21/1999 |
| 6004478 | Silacyclohexane compounds, preparation thereof, liquid crystal compositions comprising the same, and liquid crystal devices comprising the composition A silacyclohexane compound of the formulas (I) ##STR1## wherein R represents an organic residue, ##STR2## represents an unsubstituted or substituted silicon-containing cyclohexylene group or a 1,4-cyclohexylene group, ##STR3## represen... | 12/21/1999 |
