Class / Patent application number | Description | Number of patent applications / Date published |
556406000 | Ring consisting of carbon and silicon | 15 |
20090143605 | POLYCYCLIC FUSED RING TYPE PI-CONJUGATED ORGANIC MATERIAL, INTERMEDIATE THEREFOR, PROCESS FOR PRODUCING POLYCYCLIC FUSED RING TYPE PI-CONJUGATED ORGANIC MATERIAL, AND PROCESS FOR PRODUCING INTERMEDIATE OF POLYCYCLIC FUSED RING TYPE PI-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 dimetalated is trapped with an organosilicon reagent (i: (1) n-BuLi or t-BuLi; (2) HMe | 06-04-2009 |
20100298590 | Silole-based monomers and polymers for organic light-emitting diode devices - This invention relates generally to organic electroluminescent norbornene-silole monomer, poly(norbornene) homopolymer, and poly(norbornene) copolymer compounds, containing functionalized aryl and alkyl silole side chains having good host characteristics and solution processability, and to an electron transporting and/or hole blocking layers, and light-emitting layers, organic electronic devices and compositions of matter, which include these compounds. | 11-25-2010 |
20100324323 | 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; reacting the alcohol with the 2-benzyloxy-1-methylpyridinium triflate by heating above ambient temperature to generate the benzylated alcohol; and separating the benzylated alcohol from the mixture. | 12-23-2010 |
20110040114 | METHOD OF MANUFACTURING AN AMINOARYL-CONTAINING ORGANOSILICON COMPOUND AND METHOD OF MANUFACTURING AN INTERMEDIATE PRODUCT OF THE AFOREMENTIONED COMPOUND - To provide an aminoaryl-containing organosilicon compound with high efficiency, after protecting amino groups of a haloaniline compound with a specific compound, to form a Grignard reagent and to deprotect the aforementioned groups by reacting the Grignard reagent with a silicon compound. | 02-17-2011 |
20110077420 | PRODUCTION METHOD FOR LINEAR AND CYCLIC TRISILAALKANE - The present invention relates to a preparation method for a linear or cyclic trisilaalkane which is a substance useful in the preparation of polycarbosilane and silicon carbide precursors. Linear or cyclic trisilaalkane and organic trichlorosilane derivatives can be synthesized simultaneously and in high yield by reacting bis(chlorosily)methane having a Si—H bond, either alone or together with an organic chloride, using a quaternary organic phosphonium salt compound as a catalyst. Further, since the catalyst can be recovered after use, the present invention is very economical and is thus effective for mass-producing precursors for organic/inorganic hybrid substances. | 03-31-2011 |
20110105777 | SILYL SUBSTITUTED 1,4-DISILACYCLOHEXANE DERIVATIVES AND PREPARATION METHOD THEREOF - The present invention relates to novel 1,4-disilacyclohexane derivatives and a preparation method thereof. More particularly, the invention provides a method for preparing 1,4-disilacyclohexane derivatives with a hexagonal ring structure at high yield through double silylation of an organosilane compound and a vinyl silane compound having an unsaturated double bond using quaternary organophosphonium salts as a catalyst. According to the present invention, tris(silyl)ethanes having three silyl groups in one molecule can be prepared at the same time and the catalyst can be recovered after reaction. Thus, the method is economical and enables mass-production of 1,4-disilacyclohexane derivatives and tris(silyl)ethanes which are precursors of organic-inorganic hybrid materials. | 05-05-2011 |
20110105778 | Materials for Organic Electroluminescence Devices - The present invention relates to compounds containing a moiety of the formula (1) and to the use thereof in organic electroluminescent devices and to organic electroluminescent devices which comprise compounds of this type. | 05-05-2011 |
20110130584 | INSULATING FILM MATERIAL, METHOD OF FILM FORMATION USING INSULATING FILM MATERIAL, AND INSULATING FILM - An insulating film material for plasma CVD represented by a chemical formula (1) shown below, a method of film formation using the insulating film material, and an insulating film. According to the present invention, an insulating film having a low dielectric constant and a superior copper diffusion barrier property suitable for an interlayer insulating film or the like of a semiconductor device can be obtained. In the chemical formula (1), n represents an integer of 3 to 6, and each of R | 06-02-2011 |
20110178321 | Dopant Group-Substituted Semiconductor Precursor Compounds, Compositions Containing the Same, and Methods of Making Such Compounds and Compositions - Dopant-group substituted (cyclo)silane compounds, liquid-phase compositions containing such compounds, and methods for making the same. Such compounds (and/or ink compositions containing the same) are useful for printing or spin coating a doped silane film onto a substrate that can easily be converted into a doped amorphous or polycrystalline silicon film suitable for electronic devices. Thus, the present invention advantageously provides commercial qualities and quantities of doped semiconductor films from a doped “liquid silicon” composition. | 07-21-2011 |
20110313184 | INSULATING FILM MATERIAL, AND FILM FORMATION METHOD UTILIZING THE MATERIAL, AND INSULATING FILM - An insulating film material for plasma CVD of the present invention is constituted of a silicon compound including two hydrocarbon groups bonded to each other to form a ring structure together with a silicon atom, or at least one branched hydrocarbon group, wherein within the branched hydrocarbon group, α-carbon that is a carbon atom bonded to the silicon atom constitutes a methylene group, and β-carbon that is a carbon atom bonded to the methylene group or γ-carbon that is a carbon atom bonded to the β-carbon is a branching point. | 12-22-2011 |
20120016149 | PROCESS FOR PRODUCTION OF CYCLIC SILANE COMPOUND AND/OR CYCLIC CARBOSILANE COMPOUND - The present invention relates to: a process for producing a cyclic silane compound, which comprises subjecting a chained polysilane to pyrolysis in the presence of an oxide of a transition metal belonging to Group 8 or Group 11 of the periodic table; and a process for producing a cyclic carbosilane compound, which comprises subjecting a chained polysilane to pyrolysis in the presence of a simple substance of a metal selected from the group consisting of transition metal elements and elements belonging to Groups 12 to 15 of the periodic table or a compound thereof. | 01-19-2012 |
20120302779 | EFFECTIVE RECOVERY OF LITHIUM FROM LITHIUM ION BATTERY WASTE - A process for recovering Li-ions can include: providing a composition having Li-ions to be extracted therefrom; removing materials from the Li-ions; introducing one or more cyclic siloxane to the Li-ions so as to form one or more cyclic siloxane-Li-ion complexes; extracting the one or more cyclic siloxane-Li-ion complexes by one or more liquid-liquid extraction steps; separating an organic phase having the cyclic siloxane-Li-ion complexes from an aqueous phase; removing water from the organic phase; filtering the organic phase to obtain a filtrate; and obtaining one or more Li-ions (e.g., Li salts) from the filtrate. | 11-29-2012 |
20140128628 | PROCESS FOR PRODUCTION OF CYCLIC SILANE COMPOUND AND/OR CYCLIC CARBOSILANE COMPOUND - A process for producing a cyclic silane compound, in which a chained polysilane is subjected to pyrolysis in the presence of an oxide of a transition metal belonging to Group 8 or Group 11 of the periodic table; and a process for producing a cyclic carbosilane compound, that includes subjecting a chained polysilane to pyrolysis in the presence of a simple substance of a metal selected from the group consisting of transition metal elements and elements belonging to Groups 12 to 15 of the periodic table, or a compound thereof. | 05-08-2014 |
20150353585 | ASYMMETRICAL SI RHODAMINE AND RHODOL SYNTHESIS - [Problem] To provide: a compound resulting from substituting with a silicon atom the oxygen atom at position 10 of a xanthene ring site of a rhodamine of which amino groups at position 3 and position 6 have an asymmetrical structure; a method for producing the compound; and a fluorescent probe that uses the compound. | 12-10-2015 |
20160168169 | ORGANOAMINOSILANES AND METHODS FOR MAKING SAME | 06-16-2016 |