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| Number | Title | Issue Date |
| 7858724 | Polymeric, phosphorescent, organically semi-conductive emitter materials based on perarylated boranes, method for their production and use thereof The invention relates to luminescent compounds with semi-conducting properties, as well as their production and their use in organic light-emitting diodes (OLEDs). The compounds are copolymers comprising a metal complex with a central atom from subgroup 8 of the per... | 12/28/2010 |
| 7632908 | Substituted fluorene polymers, their preparation and use in optical devices A polymer for use in an optical device comprising a hole transporting region, an electron transporting region, an emissive region, said polymer comprising an optionally substituted repeat unit of formula (I): ... | 12/15/2009 |
| 7629429 | Substituted fluorene polymers their preparation and uses A polymer having a first repeat unit comprising a group having general formula (I) which is substituted or unsubstituted: where at least one of R1 or R2 comprises at least two substituted or unsubstitute... | 12/08/2009 |
| 7427443 | Low dielectric constant insulating material and semiconductor device using the material The use of a material possessing a six-member borazine ring consisting of at least boron and nitrogen elements in the form of a low dielectric constant insulating film in a hard mask, a Cu diffusion barrier layer and an etching stopper which are necessary when low d... | 09/23/2008 |
| 7402343 | Molecular chemical compounds with structures allowing electron displacement and capable of emitting photoluminescent radiation, and photoluminescence quenching device employing the same A chemical compound which has an electron donor group, an electron acceptor group, and a conjugated bridging element bridging between the electron donor group and the electron acceptor group. The chemical compound has a readily displaceable electron, is capable of e... | 07/22/2008 |
| 7335717 | Methods, compositions, and biomimetic catalysts for the synthesis of silica, polysilsequioxanes, polysiloxanes, non-silicon metalloid-oxygen networks, polymetallo-oxanes, and their organic or hydrido conjugates and derivatives The in vitro polymerization of silica, silicone, non-silicon metalloid-oxane and metallo-oxane polymer networks, by combining a catalyst and a substrate to polymerize the substrate to form silica, polysiloxanes, polymetalloid-oxanes polymetallo-oxanes (metal oxides)... | 02/26/2008 |
| 7329896 | Polymerizable charge transport compounds The invention relates to polymerizable charge transport compounds, their use as semiconductors or charge transport materials, in optical, electrooptical or electronic devices like for example organic field effect transistors (FET or OFET) for thin film transistor li... | 02/12/2008 |
| 7326514 | Organoelement resists for EUV lithography and methods of making the same Resist compositions containing silicon, boron, or both silicon and boron may be used with ultra-violet lithography processes and extreme ultra-violet (EUV) lithography processes to increase the reactive ion etch resistance of the resist compositions, improve transmi... | 02/05/2008 |
| 7301003 | Method of preparing polymers having terminal amine groups The present invention is directed to methods of preparing linear polymers such as polyalkylene oxides containing a terminal amine in high purity. One preferred method includes reacting a polyalkylene oxide such as polyethylene glycol containing a terminal azide with... | 11/27/2007 |
| 7157154 | Polymer and polymeric luminescent element comprising the same A polymer characterized by comprising repeating units represented by the following formula (1) and having a number-average molecular weight, in terms of polystyrene, of 103 to 108. (In the f... | 01/02/2007 |
| 7138483 | Monomers, conjugated polymers and electronic devices using such polymers The energy levels (HOMO, LUMO) of the conjugated polymer are tuned independently, so that an energy match on both sides of the device can be accomplished while keeping the emission color in the blue region. Such polymers can be formed by polymerization of a mixture ... | 11/21/2006 |
| 7102156 | Memory elements using organic active layer A memory element includes a first electrode, a passive layer on and in contact with the first electrode, a polyfluorene active layer on and in contact with the active layer, and a second electrode on and in contact with the polyfluorene active layer. The chemical st... | 09/05/2006 |
| 7084133 | Dicarba-closo-dodecaborane derivatives A compound represented by the following general formula (I), wherein R1 represents a hydroxy-substituted alkyl group, a hydroxy-substituted alkenyl group, a hydroxy-substituted arylalkyl group (said arylalkyl group may have a substituent on the aryl ring)... | 08/01/2006 |
| 7078724 | Organic compounds having a core-shell structure The invention relates to compounds having a core-shell structure, to a process for preparing them and to their use as semiconductors in electronic components. ... | 07/18/2006 |
| 7074884 | Conjugated polymer preparation via Suzuki-coupling in emulsion A process for preparing a conjugated polymer, which comprises polymerizing in a reaction mixture (a) an aromatic monomer having at least two boron derivative functional groups selected from the group consisting of boronic acid groups, boronic ester groups, and boran... | 07/11/2006 |
| 7041280 | Aryl boronate functionalized polymers for treating obesity Disclosed are polymers comprising one or more phenyl boronate ester, boronamide or boronate thioester groups. The phenyl boronate ester, boronamide and boronate thioester groups are represented by one of the following structural formulas: | 05/09/2006 |
| 7012124 | Solid polymeric electrolytes for lithium batteries Novel conductive polyanionic polymers and methods for their preparion are provided. The polyanionic polymers comprise repeating units of weakly-coordinating anionic groups chemically linked to polymer chains. The polymer chains in turn comprise repeating spacer grou... | 03/14/2006 |
| 6967179 | Process for manufacturing boron nitride fibers from borylborazines The aim of the present invention is a process for manufacturing boron nitride fibers, in particular continuous boron nitride fibers with good mechanical properties, which may be used for producing ceramic composite materials such as BN/BN composites, thermostructura... | 11/22/2005 |
| 6936190 | Electrically conductive organic compound and electronic device In an electrically conductive organic compound, a side chain portion simultaneously exhibiting refractive index anisotropy and σ conjugated system electrical conductivity is bonded to a main chain portion exhibiting π conjugated system electrical conductivity. The... | 08/30/2005 |
| 6864339 | Process for preparing aromatic polymers The present invention is generally directed to a process for preparing aromatic polymers. It further relates to devices that are made with the polymers. ... | 03/08/2005 |
| 6767981 | Thermoset and ceramic containing silicon and boron A thermoset polymer has a repeating unit comprising at least one crosslinking group having at least one unsaturated carbon-carbon bond and at least two crosslinking bonds, at least one borate group, at least one silyl group and/or at least one siloxyl group. The the... | 07/27/2004 |
| 6395840 | Precursor polymers to refractory metal carbides and metal borides The present invention provides a method for producing precursor polymers which decompose to a substantially pure refractory metal carbide or refractory metal boride. The method comprises mixing a transition metal compound with either (a) an organometallic... | 05/28/2002 |
| 6372873 | Linear phosphine-borane polymers and methods of preparation therefor Linear backbone phosphorus-boron polymers of the general formula (I): ##STR1## wherein R1, R2, R3, and R4, are the same or different and selected from H, optionally substituted alkyl, alkenyl and phenyl; and n i... | 04/16/2002 |
| 6353072 | Polymer preparation from boron derivative functional group-containing monomers A process for preparing a conjugated polymer, which comprises polymerizing in a reaction mixture (a) an aromatic monomer having at least two reactive boron derivative groups selected from a boronic acid group, a boronic ester group and a borane group, and... | 03/05/2002 |
| 6231790 | Tetrakis-pentafluorophenyl borates from pentafluorophenyl grignard reagents Pentafluorophenyl Grignard reagents are reacted with a boron trihalide in a non-ethereal solvent such as toluene to produce a tetrakis pentafluorophenyl borate magnesium halide.... | 05/15/2001 |
| 6025453 | Linear inorganic-organic hybrid copolymers containing random distribution of boranyl, silyl, or siloxyl, and acetylenic units An organoboron polymer having a backbone with a repeating of at least one kynyl group, at least one silyl group, at least one boranyl group, optionally at least one siloxyl group, and optionally an aryldisilyl group. The boron containing units in and the ... | 02/15/2000 |
| 5986032 | Linear metallocene polymers containing acetylenic and inorganic units and thermosets and ceramics therefrom Organometallic linear polymers containing metallocene, inorganic units (such as silicon and boron), and acetylenic units which display superb processability, and which are readily converted to a thermoset through the acetylenic groups, yielding high tempe... | 11/16/1999 |
| 5872070 | Pyrolysis of ceramic precursors to nanoporous ceramics The present invention provides for amorphous, nanoporous, ceramic material having a surface area in excess of 70 m2 /gm and characterized by a high content of open microporous cell structure wherein the micropores have a mean width of less than... | 02/16/1999 |
| 5844052 | Linear metallocene polymers containing acetylenic and inorganic units and thermosets and ceramics therefrom Thermally stable thermosets are formed from novel linear polymer containing acetylenic units and a random distribution of organotransition metal complexes, siloxane, boron, and/or carborane-siloxane units formed by crosslinking of the linear copolymers th... | 12/01/1998 |
| 5807905 | Borate photoinitiators from polyboranes Compounds of the formula I ##STR1## in which n and o are a number from 0 to 50, m is a number from 1 to 50, u and v are 0 or 1, and at least one of the indices u and v is 1, R1, R2, R2a, R3 and R4 | 09/15/1998 |
| 5684115 | (Co)polycarbonate composition containing boric acid and a basic catalyst A processes for producing a (co)polycarbonate having a low terminal hydroxyl group concentration and being excellent in heat resistance and hue, which comprises melt-polycondensing a dihydroxy compound with a carbonic diester in the presence of a catalyst... | 11/04/1997 |
| 5670604 | Preparation of a polycarbonate by melt-polycondensation of a dihydric phenol and a carbonic diester A process for preparing a substantially chloride-ion-free, high-molecular-weight, colorless and transparent polycarbonate by melt-polycondensing a dihydric phenol with a carbonic diester, which comprises using a carbonic diester which is substantially fre... | 09/23/1997 |
| 5625010 | Macromonomers having reactive side groups Rigid-rod macromonomers, and methods for preparing such macromonomers, having a polyaromatic backbone, solubilizing side groups, and reactive side groups are provided. The macromonomers are chemically incorporated into polymer systems to provide stronger,... | 04/29/1997 |
| 5504173 | Chemical process Process for preparing the (E)-isomer of a compound (II) by contacting the (E) or (Z) isomer of the 2-methylphenyl precursor, or a mixture of both, with bromine in an organic solvent, in the presence of a polymeric base and light. ##STR1##... | 04/02/1996 |
| 5476915 | Method for controlled synthesis of polymers Living polymer synthesis methods for the synthesis of oligomeric and high molecular weight polymers with low polydispersity are disclosed. The disclosed methods are based on the discovery that the reaction of a ylid with an organoborane at a high ylid:bor... | 12/19/1995 |
| 5473036 | Process for forming a bromomagnesium tetrakis (fluorophenyl) borate Bromomagnesium tetrakis(fluorophenyl) borate reactible intermediates can be formed by reacting at least four equivalents of fluorophenyl magnesium bromide with every one equivalent of boron trifluoride in ether solvent using a sufficient amount of heat to... | 12/05/1995 |
| 5386006 | Shape sintered articles derived from boro-containing polysilazanes The present invention relates to preceramic polymers incorporating boron and their application in the sintering of SiC ceramics. The present invention is also directed to a process for preparing a boron-substituted polysilazane which involves preparing a ... | 01/31/1995 |
| 5317058 | Microwave-absorbing materials containing polar icosahedral molecular units and methods of making the same A microwave-absorbing material composed of blends of polar icosahedral molecular units with a variety of host matrices, or with polymers with the units covalently bonded in a pendant manner to the polymer chain. Both blends and polymers must impart a high... | 05/31/1994 |
| 5256487 | High char yield silazane derived preceramic polymers and cured compositions thereof Novel polysiloxane-silazane preceramic polymer compositions are prepared by the controlled hydrolysis polymerization of a trimer or tetramer of a monomer of the structure ##STR1## wherein R1, R2, R3, and R4... | 10/26/1993 |
| 5206327 | Preceramic polymers incorporating boron and their application in the sintering of carbide ceramics The present invention relates to preceramic polymers incorporating boron and their application in the sintering of SiC ceramics. The present invention is also directed to a process for preparing a boron-substituted polysilazane which involves preparing a ... | 04/27/1993 |
