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| Number | Title | Issue Date |
| 8097696 | Method for preparing multi-arm poly(ethylene glycol) chlorides A method for preparing multi-arm poly(ethylene glycol) (PEG) chlorides from multi-arm PEG polyols is described. The method comprises a process, wherein the multi-arm PEG polyol is reacted with thionyl chloride to form the multi-arm PEG chloride. ... | 01/17/2012 |
| 8088883 | Transition metal complex and process for producing conjugated aromatic compound using the transition metal complex A transition metal complex obtained by contacting a bipyridine compound represented by the formula (1): wherein R1, R2 and R3 represent a C1-C10 alkyl group which may be substituted, etc., a... | 01/03/2012 |
| 8013109 | Industrially viable method for the production of polycarbynes, polymeric precursors to diamond and diamond like ceramics This invention is related to a new method of synthesizing polycarbynes. These polymers are known to produce diamond and diamond like ceramics upon heating, by plasma processing, and chemical vapour deposition. The method of synthesizing polycarbynes is charac... | 09/06/2011 |
| 7893193 | Method for making a chlorohydrin Process for preparing a chlorohydrin, comprising the following steps: (a) a polyhydroxylated aliphatic hydrocarbon, an ester of a polyhydroxylated aliphatic hydrocarbon or a mixture thereof is reacted with a chlorinating agent and an organic acid so as ... | 02/22/2011 |
| 7608680 | Triarylamine polymer, process for producing the same, and use thereof It is an object of the present invention to provide a novel triarylamine polymer which is excellent in solubility and film-forming property and has improved thermal stability; a simple process for its production; and an electronic element employing it. A tria... | 10/27/2009 |
| 7544765 | Methods for producing thermoplastic fluoropolymers A process for producing a class of polyarylenes having p-bis-(chlorodifluoromethyl) benzene or p-bis(bromodifluoromethyl) benzene as a comonomer. The p-bis-(chlorodifluoromethyl) benzene or the p-bis(bromodifluoromethyl)benzene act as precursors in a polycondensatio... | 06/09/2009 |
| 7439275 | Anion-conducting polymer, composition, and membrane Anion-conducing polymers and membranes with enhanced stability to aqueous alkali include a polymer backbone with attached sulfonium, phosphazenium, phosphazene, and guanidinium residues. Compositions also with enhanced stability to aqueous alkali include a support e... | 10/21/2008 |
| 7390578 | Aryl-substituted poly-p-arylenevinylenes Aryl-substituted poly-p-arylenevinylenes comprising a repeating unit of the formula (C1), in which one or more of the unsubstituted aromatic carbon atoms may be replaced by nitrogen atoms, —OCm and —OCn ... | 06/24/2008 |
| 7375176 | Liquid crystal poly(phenylene sulfonic acids) A rigid, rod liquid crystal polymer includes a poly(phenylene sulfonic acid). ... | 05/20/2008 |
| 7368068 | Sulfonic group-containing polyarylene block copolymer, process for production thereof, solid polymer electrolyte and proton conductive membrane The present invention provides a sulfonic group-containing polyarylene block copolymer superior to the perfluoroalkylsulfonic acid polymers in cost, conductive properties and proccessability, a process for producing the copolymer, a solid polymer electrolyte and a p... | 05/06/2008 |
| 7365146 | Substituted polyphenylenes via supported transition metal catalysis Substituted polyphenylenes and methods for producing such substituted polyphenylenes using supported transition metal catalysis are provided. ... | 04/29/2008 |
| 7351788 | Polymer containing substituted triphenylamine units A method for making a polymer containing a first repeat unit having formula: —Ar—N(R)—Ar(N(R′)—Ar)x— which may be substituted or unsubstituted where x or 0 or 1; each Ar is the same or different and independently is a substituted or unsubstitu... | 04/01/2008 |
| 7348072 | Light-emitting polymer and organoelectroluminescent display using the same A spirofluorene-type of a blue light-emitting polymer including an indenofluorene repeating unit having a spiroanthracene structure, and an organic electroluminescent display using the polymer. The brightness and efficiency property of the organic electroluminescent... | 03/25/2008 |
| 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 |
| 7323533 | Conjugated polymers containing spirobifluorene units and the use thereof The present invention relates to novel conjugated polymers comprising spirobifluorene units and their use in optoelectronic devices, preferably in, for example, displays based on polymeric organic light-emitting diodes. ... | 01/29/2008 |
| 7318964 | Fluorene compounds containing various functional groups, polymers thereof and EL element using the same The present invention relates to fluorene compounds and polymers thereof, having various structures and functional groups, and capable of being used as a luminescent material for organic and polymer-based electro-luminescence (EL) element and other optical element, ... | 01/15/2008 |
| 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 |
| 7301002 | Sulfonated polyphenylene polymers Improved sulfonated polyphenylene compositions, improved polymer electrolyte membranes and nanocomposites formed there from for use in fuel cells are described herein. The improved compositions, membranes and nanocomposites formed there from overcome limitations of ... | 11/27/2007 |
| 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 |
| 7288617 | Conjugated polymers containing spirobifluorene units and fluorene units, and the use thereof The present invention relates to novel polymers which comprise spirobifluorene and fluorine units of the formulae (I) and (II) and may further comprise additional structural elements which may have charge transport properties, hole transport properties and/or electr... | 10/30/2007 |
| 7271406 | Electron transport agents for organic electronic devices Compounds and compositions are provided that can be used as electron transport agents in organic electronic devices such as organic electroluminescent devices. The compounds are non-polymeric and have an aromatic core conjugated to end capping groups. The aromatic c... | 09/18/2007 |
| 7265196 | Controlled crosslinked polyaryletherketone material with improved properties and a process by producing the same The present invention relates to a controllable crosslinking polyaryletherketone with improved properties such as stiffness, heat resistance, and stability as shown by any one of the following structures: ... | 09/04/2007 |
| 7262265 | High temperature thermoset compositions A new family of high temperature thermoset resins having high glass transition temperatures and enhanced hygrothermal stability that are synthesized using inexpensive starting materials in essentially a single step process. A trifunctional aromatic, wherein at least... | 08/28/2007 |
| 7262226 | CTFE-based thermoprocessable compositions A thermoprocessable polymeric composition formed by ethylene/chlorotrifluoroethylene copolymers containing from 0.5 to 20% by moles of ethylene, optionally in combination with the chlorotrifluoroethylene homopolymer, wherein the composition contains in total from 90... | 08/28/2007 |
| 7244515 | Polymeric fluorescent substance and polymer light-emitting device using the same A polymeric fluorescent substance showing fluorescence in the solid state, having a polystyrene reduced number-average molecular weight of 103 to 108, and comprising one or more repeating units of formula (1) and one or more repeating units of ... | 07/17/2007 |
| 7238771 | Dibenzodiazocine polymers Dibenzodiazocine polymers, methods for producing dibenzodiazocine polymers, products formed from dibenzodiazocine polymers, and uses for such dibenzodiazocine polymers are provided. ... | 07/03/2007 |
| 7234498 | Self-luminescent pneumatic tire The present invention relates to a pneumatic tire having a component comprising at least one elastomer containing olefinic unsaturation; a radioactive source of radiation; and a phosphorescent agent capable of emitting visible light upon exposure to said radiation. | 06/26/2007 |
| 7230070 | Electroactive fluorene copolymers and devices made with such polymers The present invention is generally directed to copolymers of fluorene. It further relates to devices that are made with the copolymers. ... | 06/12/2007 |
| 7229702 | Oligofluorenlylene compounds The present invention provides an oligofluorenylene compound represented by the general formula below, which enables production of an organic light-emitting device that exhibits an extremely pure luminescent hue and has a light emission of high efficiency, high brig... | 06/12/2007 |
| 7220817 | Process for producing polyarylene sulfide A process for producing polyarylene sulfide includes: steps of reacting an aromatic dihalide compound and an alkaline metal compound in a polar organic solvent for polymerization under heating and cooling a system including the reaction mixture to recover particulat... | 05/22/2007 |
| 7220820 | Electroactive fluorene copolymers and devices made with such polymers The present invention is generally directed to copolymers of fluorene. It further relates to devices that are made with the copolymers. ... | 05/22/2007 |
| 7217824 | Process for preparing a 4,7-bis(5-halothien-2-yl)-2,1,3-benzothiadiazole and a precursor therefor The present invention is directed to a method for preparing a 4,7-bis(5-halothien-2-yl)-2,1,3-benzothiadiazole, more particularly, 4,7-bis(5-bromothien-2-yl)-2,1,3-benzothiadiazole, and a precursor therefor, namely, a 4,7-bis(thien-2-yl)-2,1,3-benzothiadiazole. The ... | 05/15/2007 |
| 7214763 | Electroactive fluorene copolymers and devices made with such polymers The present invention is generally directed to copolymers of fluorene. It further relates to devices that are made with the copolymers. ... | 05/08/2007 |
| 7211643 | Electroactive fluorene copolymers and devices made with such polymers The present invention is generally directed to copolymers of fluorene. It further relates to devices that are made with the copolymers. ... | 05/01/2007 |
| 7208567 | Polymer compound and polymer light emitting device using the same Provided is a polymer compound having a polystyrene reduced number average molecular weight of 103-108, and comprising a repeating unit represented by the below formula (1-1) or (1-2), wherein Rin... | 04/24/2007 |
| 7189456 | Photochromic optical article Describes a photochromic plastic article, e.g., an ophthalmic photochromic article, such as a lens, in which the article includes (1) a rigid substrate, e.g., polymeric substrate, such as a thermoset or thermoplastic substrate, (2) a photochromic polymeric coating a... | 03/13/2007 |
| 7186790 | Sulfonated polyphenylene polymers Improved sulfonated polyphenylene compositions, improved polymer electrolyte membranes and nanocomposites formed there from for use in fuel cells are described herein. The improved compositions, membranes and nanocomposites formed there from overcome limitations of ... | 03/06/2007 |
| 7183366 | Electroactive fluorene copolymers and devices made with such polymers The present invention is generally directed to copolymers of fluorene. It further relates to devices that are made with the copolymers. ... | 02/27/2007 |
| 7183365 | Electroactive fluorene polymers having perfluoroalkyl groups, process for preparing such polymers and devices made with such polymers The present invention is generally directed to perfluoroalkylated fluorene polymers. It further relates to a process for preparing the polymers and devices that are made with the polymers. ... | 02/27/2007 |
| 7173103 | Modified Suzuki-method for polymerization of aromatic monomers A process for preparing high molecular weight polymers or copolymers by Suzuki coupling. The catalyst used in the process comprises a source of palladium and a source of a phosphine characterized in that at least one substituent on the phosphine is an ortho substitu... | 02/06/2007 |
