| HANWHA CHEMICAL CORPORATION Patent applications |
| Patent application number | Title | Published |
|---|
| 20120112134 | Blending Improvement Carbon-Composite having Carbon-Nanotube and its Continuous Manufacturing Method and Apparatus - Provided area carbon nanotube composite material obtained by treating a mixture including carbon nanotubes, at least one carbon compound other than carbon nanotubes and a dispersion medium under a sub-critical or super-critical condition of 50-400 atm, and a method for producing the same. More particularly, the method for producing a carbon nanotube composite material, includes: introducing a mixture including carbon nanotubes, at least one carbon compound other than carbon nanotubes and a dispersion medium into a preheating unit under a pressure of 1-400 atm to preheat the mixture; treating the preheated mixture under a sub-critical or super-critical condition of 50-400 atm; cooling and depressurizing the resultant product to 0-1000 C and 1-10 atm; and recovering the cooled and depressurized product. Provided also is an apparatus for producing a carbon nanotube composite material in a continuous manner. | 05-10-2012 |
| 20120093710 | PURIFIED CARBON NANOTUBES - Provided is a continuous method and apparatus of purifying carbon nanotubes. The continuous method and apparatus of purifying carbon nanotubes is characterized in a first purifying step for injecting a carbon nanotube liquid mixture containing an oxidizer into a purifying reactor under a sub-critical water or supercritical water condition at a pressure of 50 to 400 atm and a temperature of 100 to 600° C. to obtain a purified product, thereby removing amorphous carbon and producing the carbon nanotube product. | 04-19-2012 |
| 20120021288 | ELECTRODE-ACTIVE ANION-DEFICIENT LITHIUM TRANSITION-METAL PHOSPHATE, METHOD FOR PREPARING THE SAME, AND ELECTROCHEMICAL DEVICE USING THE SAME - The invention provides an anion-deficient lithium transition-metal phosphate as an electrode-active material, which is represented by the chemical formula Li | 01-26-2012 |
| 20110318583 | Fine Barium Titanate Powder - Provided is barium titanate based powder represented by Chemical Formula 1: | 12-29-2011 |
| 20110263770 | Method of Preparing of 60% or More CIS-DI(C4-C20)Alkyl Cyclohexane-1,4-Dicarboxylate - Provided is a method for preparing 60% or more cis-di(C4-C20)alkyl cyclohexane-1,4-dicarboxy-late which exhibits superior plasticizing property for PVC resin. Instead of a phthalate- or terephthalate-based aromatic ester derivative, 60% or more cis-dimethyl cyclo-hexane-1,4-dicarboxylate is used as a starting material. The 60% or more cis-dimethyl cyclohexane-1,4-dicarboxylate is subjected to transesterification with (C4-C20) primary alcohol to prepare 60% or more cis-di(C4-C20)alkyl cyclohexane-1,4-dicarboxylate. Methanol produced as a byproduct during the transesterification is removed and some of the primary alcohol, which is evaporated, is recycled. Thus prepared 60% or more cis-di(C4-C20)alkyl cyclohexane-1,4-dicarboxylate exhibits superior plasticizer characteristics, including good plasticizing efficiency for PVC resin, high absorption rate, good product transparency after gelling, less bleeding toward the surface upon long-term use, and the like. | 10-27-2011 |
| 20110201834 | Scaffold Materials-Transition Metal Hydride Complexes, Intermediates Therefor and Method for Preparing the Same - The present invention relates to substances which can be applied to the technical fields of gas storages, polymerization catalysts and optical isomers, their intermediates, and processes for preparing the same, which is characterized in that 1) possible disintegration of structure of the scaffold material (SM) is impeded, and 2) they are prepared by a simple manufacturing system as compared to the substances conventionally suggested in the application field. Specifically, it relates to scaffold material-transition metal hydride complexes comprised of scaffold material (SM) and transition metal hydride (M | 08-18-2011 |
| 20110162867 | TELEPHONE CABLE INSULATION COMPOSITION, AND TELEPHONE CABLE USING THEREOF - Provided are an oxidation stabilizer for polyolefin, and an insulation composition comprising the same. The insulation composition according to the invention is to be used for coating and jacket of wires and cables, especially of telephone cables. | 07-07-2011 |
| 20100330463 | PROCESS FOR PREPARING OF A CATALYST SOLUTION FOR FUEL CELL AND A MEMBRANE ELECTRODE ASSEMBLY USING THE SAME - The present invention discloses a process for preparing catalyst solution for a membrane-electrode assembly in a fuel cell, which comprises the steps of a) mixing a catalyst solution (Solution A) wherein catalyst particles are dispersed in water and an ion conductive resin solution (Solution B) wherein an ion conductive resin is dissolved in water, low boiling point organic solvent or a mixture thereof, to form a dispersion; b) mixing the dispersion obtained from step a) with functional additive dissolved in high boiling point solvent or a mixture of low boiling point solvent arid water (Solution C) to prepare catalyst ink dispersion; and c) aging the catalyst ink dispersion obtained from step b). | 12-30-2010 |
| 20100233578 | Process for the Electrochemical Catalysts of Fuel Cells Based on Polymer Electrolytes - The present invention relates to a process for the preparation of electrochemical catalysts of the polymer electrolytes-based fuel cells. With the process of the present invention, high catalyst activity while uniformly supporting a large amount of metal particles on a surface of a support can be achieved. Also, the present invention provides a process for the preparation of electrochemical catalysts of the polymer electrolytes-based fuel cells capable of using a small amount of toxic solvent without an additional high-temperature hydrogen annealing. | 09-16-2010 |
| 20100227222 | Lithium-Metal Composite Oxides and Electrochemical Device Using the Same - Disclosed is a lithium-containing metal composite oxide comprising paramagnetic and diamagnetic metals, which satisfies any one of the following conditions: (a) the ratio of intensity between a main peak of 0±10 ppm (Io PPm) and a main peak of 240±140 ppm (I240 pPm), Uoppm/124o PPm), is less than 0.117·Z wherein Z is the ratio of moles of the diamagnetic metal to moles of lithium; (b) the ratio of line width between the main peak of 0±10 ppm (Io PPm) and the main peak of 240+140 ppm (I24o PPm), (W24o PPm/WO ppm), is less than 21.45; and (c) both the conditions (a) and (b), the peaks being obtained according to the 7Li—NMR measurement conditions and means disclosed herein. Also, an electrode comprising the lithium-containing metal composite oxide, and an electrochemical device comprising the electrode are disclosed. The lithium-containing multicomponent metal composite oxide shows crystal stability and excellent physical properties as a result of an improved ordering structure of metals, in which the components of the composite oxide are uniformly distributed. Thus, it can provide a battery having high capacity characteristics, long cycle life characteristics and improved rate characteristics. | 09-09-2010 |
| 20100227221 | Preparation Method of Lithium-Metal Composite Oxides - Disclosed is a method for preparing a lithium-metal composite oxide, the method comprising the steps of: (a) mixing an aqueous solution of one or more transition metal-containing precursor compounds with an alkalifying agent and a lithium precursor compound to precipitate hydroxides of the transition metals; (b) mixing the mixture of step (a) with water under supercritical or subcritical conditions to synthesize a lithium-metal composite oxide, and drying the lithium-metal composite oxide; and (c) subjecting the dried lithium-metal composite oxide either to calcination or to granulation and then calcination. Also disclosed are an electrode comprising the lithium-metal composite oxide, and an electrochemical device comprising the electrode. In the disclosed invention, a lithium-metal composite oxide synthesized based on the prior supercritical hydrothermal synthesis method is subjected either to calcination or to granulation and then calcination. Thus, unlike the prior dry calcination method or wet precipitation method, a uniform solid solution can be formed and the ordering of metals in the composite oxide can be improved. Accordingly, the lithium-metal composite oxide can show crystal stability and excellent electrochemical properties. | 09-09-2010 |
| 20100183924 | ELECTRODE-ACTIVE ANION-DEFICIENT NON-STOICHIOMETRIC LITHIUM IRON PHOSPHATE, METHOD FOR PREPARING THE SAME, AND ELECTROCHEMICAL DEVICE USING THE SAME - The invention provides an anion-deficient non-stoichiometric lithium iron phosphate as an electrode-active material, which is represented by the formula Li | 07-22-2010 |
| 20100172902 | METHOD FOR TREATING A VCAM-1 MEDIATED DISEASE - A method for treating a VCAM-1 mediated disease comprising administering a therapeutically effective amount of a monoclonal antibody to a patient in need thereof. The monoclonal antibody specifically binds to both human and mouse vascular cell adhesion molecule-1 (VCAM-1). The monoclonal antibody comprises(a) a light chain CDR 1 region defined by SEQ ID NO:5, a light chain CDR 2 region defined by SEQ ID NO:6, and a light chain CDR 3 region defined by SEQ ID NO:7, and (b) a heavy chain CDR 1 region defined by SEQ ID NO:8, a heavy chain CDR 2 region defined by SEQ ID NO:.9 or 11, and a heavy chain CDR 3 region defined by SEQ ID NO:10 or 12. | 07-08-2010 |
| 20100022791 | ORGANOMETALLIC COMPLEXES AS HYDROGEN STORAGE MATERIALS AND A METHOD OF PREPARING THE SAME - The present invention relates to an organic-transition metal complex which can safely and reversibly store hydrogen in a high capacity, and a process for preparing the same. In order to achieve the objects, the hydrogen storage material according to the invention comprises a complex generated by combination of an organic substance containing a hydroxyl (—OH) group(s) with a transition metal containing compound, which can more effectively store hydrogen with more than one transition metal being bonded per molecule. Examples of the organic substances containing hydroxyl (—OH) group(s) include alkyl derivatives such as ethylene glycol, trimethylene glycol and glycerol, and hydroxyl-containing aryl derivatives such as fluoroglucinol. As the transition metal, titanium (Ti), vanadium (V) and scandium (Sc), which can make Kubas binding, may be mentioned. | 01-28-2010 |
| 20090247678 | Cross-Linkable Polyolefin Composition Having the Tree Resistance - The present invention relates to a tree resistant, cross-linkable polyolefin resin composition for insulation capable of improving electric properties of an insulator of the high voltage power cable and thus improving a long-life stability of an underground distribution cable as having a more superior resistance to water tree deterioration caused by moisture, superior thermal-oxidative stability, superior scorch resistance when extruding as well as obtaining a proper cross-linking degree when cross-linking. | 10-01-2009 |
| 20090156395 | Method for Preparing Metal Oxide Containing Precious Metals - The present invention relates to a method for preparing a metal oxide containing precious metals, which can be used for a catalyst for purifying automobile exhaust gases and has excellent heat resistance and, more particularly, to a method for preparing a metal oxide containing precious metals including the step of continuously reacting a reaction mixture, including (i) water, (ii) a water-soluble precious metal compound, (iii) a water-soluble cerium compound and (iv) at least one water-soluble metal compound selected from the group consisting of a zirconium compound, a scandium compound, a yttrium compound and a lanthanide metal compound other than a cerium compound, at a temperature from 2000 C to 700° C. and at a pressure from 180 bar to 550 bar, wherein the molar ratio of precious metal to metal other than the precious metal in a reaction product is in the range from 0.001 to 0.1. | 06-18-2009 |
| 20080237545 | Advanced Anisotropic Insulated Conductive Ball For Electric Connection, Preparing Method Thereof and Product Using the Same - Disclosed are anisotropic conductive balls for electric connection comprised of conductive balls and insulation resin layers coating the surfaces of those conductive balls. The conductive balls are coated with a core-shell-structured emulsion-phase or suspension-phase or water-dispersible resin to form insulation resin layers as the shells of the insulation resin layers are coated with resin layers having the water-emission ability. Also disclosed are methods of manufacturing anisotropic conductive balls for electric connection as well as the products using them. Although the surfaces of the anisotropic conductive balls are coated with single- or multi-layered insulation resin layers, they show superior alive and insulation characteristics. | 10-02-2008 |
