Patent application number | Description | Published |
20080259045 | METHOD OF CONTROLLING MOBILE COMMUNICATION DEVICE EQUIPPED WITH TOUCH SCREEN, COMMUNICATION DEVICE AND METHOD OF EXECUTING FUNCTIONS THEREOF - A method of controlling a mobile communication device equipped with a touch screen, and a communication device and a method of executing functions thereof are disclosed. A method of controlling a mobile communication device includes displaying a plurality of execution keys on a touch screen in a standby mode and executing an operation assigned to a specific one of the plurality of execution keys by touching and dragging the specific execution key. | 10-23-2008 |
20090088594 | BISMUTH MOLYBDATE-BASED CATALYSTS, METHOD OF PREPARING THEREOF AND METHOD OF PREPARING 1,3-BUTADIENE USING THEREOF - This invention relates to a bismuth molybdate catalyst, a preparation method thereof, and a method of preparing 1,3-butadiene using the same, and to a bismuth molybdate catalyst, a preparation method thereof, and a method of preparing 1,3-butadiene using the same, in which 1,3-butadiene can be prepared through oxidative dehydrogenation directly using a C4 mixture including n-butene and n-butane as a reactant in the presence of a mixed-phase bismuth molybdate catalyst including α-bismuth molybdate (Bi2Mo3On) and γ-bismuth molybdate (Bi2MoO6). According to this invention, the C4 raffinate, containing many impurities, is used as a reactant, without an additional n-butane separation process, thus obtaining 1,3-butadiene at high yield. Unlike complicated multicomponent-based metal oxides, the catalyst of the invention has simple constituents and synthesis routes, and can be easily formed through physical mixing, and thus is very advantageous in assuring reproducibility and can be directly applied to commercial processes. | 04-02-2009 |
20100121123 | ZINC FERRITE CATALYSTS, METHOD OF PREPARING THEREOF AND METHOD OF PREPARING 1,3-BUTADIENE USING THEREOF - The present invention relates to a zinc ferrite catalyst, a method of producing the same, and a method of preparing 1,3-butadiene using the same. Specifically, the present invention relates to a zinc ferrite catalyst which is produced in a pH-adjusted solution using a coprecipitation method, a method of producing the same, and a method of preparing 1,3-butadiene using the same, in which the 1,3-butadiene can be prepared directly using a C4 mixture including n-butene and n-butane through an oxidative dehydrogenation reaction. The present invention is advantageous in that 1,3-butadiene can be obtained at a high yield directly using a C4 fraction without performing an additional process for separating n-butene, as a reactant, from a C4 fraction containing impurities. | 05-13-2010 |
20100125161 | METHOD OF PREPARING MULTICOMPONENT BISMUTH MOLYBRDATE CATALYSTS WITH CONTROLLING PH AND A METHOD OF PREPARING 1,3-BUTADIENE USING THEREOF - This invention relates to a method of preparing a multicomponent bismuth molybdate catalyst by changing the pH of a coprecipitation solution upon coprecipitation and a method of preparing 1,3-butadiene using the catalyst. The multicomponent bismuth molybdate catalyst, coprecipitated using a solution having an adjusted pH, the preparation method thereof, and the method of preparing 1,3-butadiene through oxidative dehydrogenation using a C4 mixture including n-butene and n-butane as a reactant are provided. The C4 raffinate, containing many impurities, is directly used as a reactant without an additional process for separating n-butane or extracting n-butene, thus obtaining 1,3-butadiene at high yield. The activity of the multicomponent bismuth molybdate catalyst can be simply increased through precise pH adjustment upon coprecipitation, which is not disclosed in the conventional techniques. This method can be applied to the increase in the activity of multicomponent bismuth molybdate catalysts reported in the art. | 05-20-2010 |
20100249482 | METHOD OF PREPARING MULTICOMPONENT BISMUTH MOLYBDATE CATALYSTS COMPRISING FOUR METAL COMPONENTS AND METHOD OF PREPARING 1,3-BUTADIENE USING SAID CATALYSTS - This invention relates to a method of preparing multicomponent bismuth molybdate catalysts composed of four metal components and a method of preparing 1,3-butadiene using the catalyst, and particularly, to multicomponent bismuth molybdate catalysts composed of a divalent cationic metal, a trivalent cationic metal, bismuth and molybdenum, a preparation method thereof, and a method of preparing 1,3-butadiene from a C4 mixture including n-butene and n-butane using oxidative dehydrogenation. According to this invention, it is possible to prepare catalysts having high activity for the preparation process of 1,3-butadiene only using four metal components as shown through systematic investigation of types and ratios of metal components, unlike conventional multicomponent metal oxide catalysts having a complicated composition of metal components. | 09-30-2010 |
20110004041 | METHOD OF PRODUCING 1,3-BUTADIENE FROM N-BUTENE USING CONTINUOUS-FLOW DUAL-BED REACTOR - A method of producing 1,3-butadiene by the oxidative dehydrogenation of n-butene using a continuous-flow dual-bed reactor designed such that two kinds of catalysts charged in a fixed-bed reactor are not physically mixed. More particularly, a method of producing 1,3-butadiene by the oxidative dehydrogenation of n-butene using a C4 mixture including n-butene and n-butane as reactants and using a continuous-flow dual-bed reactor in which a multi-component bismuth molybdate catalyst and a zinc ferrite catalyst having different reaction activity in the oxidative dehydrogenation reaction of n-butene isomers (1-butene, trans-2-butene, cis-2-butene). | 01-06-2011 |
20110222595 | POWER LINE COMMUNICATION METHOD FOR TRANSMITTING DATA SIGNAL WITH SPLITTING OF POWER TRANSMISSION INTERVAL - A power line communication method is provided, which divides the entire interval for transmitting power and data signals into a power transmission interval and a data transmission interval, and carries one or a plurality of data signals at the data transmission interval in the divided intervals. | 09-15-2011 |
Patent application number | Description | Published |
20110244338 | ELECTROLYTE FOR A MAGNESIUM SULFUR BATTERY - An electrochemical device, having an anode containing magnesium; a cathode stable to a voltage of at least 3.2 V relative to a magnesium reference; and an electrolyte obtained by admixture of a magnesium salt of a non-nucleophilic base comprising nitrogen and aluminum trichloride in an ether solvent is provided. As sulfur is stable to a voltage of at least 3.2 V relative to a magnesium reference, a magnesium-sulfur electrochemical device is specifically provided. | 10-06-2011 |
20110262804 | ELECTROCHEMICAL DEVICE WITH A MAGNESIUM ANODE AND A STABLE, SAFE ELECTROLYTE COMPATIBLE WITH SULFUR - An electrochemical device, having an anode containing magnesium; a cathode stable to a voltage of at least 3.2 V relative to a magnesium reference; and an electrolyte containing an electrochemically active magnesium salt obtained by mixing an organic magnesium compound with an aluminum compound in an ether solvent and separation of the electrochemically active salt from the reaction mixture is provided. The separated electrochemically active salt is stable and safe to handle in comparison to conventional Grignard based electrolyte systems. | 10-27-2011 |
20120107698 | ELECTROCHEMICAL DEVICE WITH A MAGNESIUM ANODE AND A STABLE, SAFE ELECTROLYTE COMPATIBLE WITH SULFUR - An electrochemical device, having an anode containing magnesium; a cathode stable to a voltage of at least 3.2 V relative to a magnesium reference; and an electrolyte containing a solvent and a LiCl complex of a magnesium halide salt of a sterically hindered secondary amine is provided. In a preferred embodiment the electrolyte contains tetrahydrofuran and 2,2,6,6-tetramethylpiperidinyl-magnesium chloride-lithium chloride complex. | 05-03-2012 |
Patent application number | Description | Published |
20140055378 | TOUCH PANEL AND METHOD FOR MANUFACTURING THE SAME - Disclosed herein are a touch panel and a method for manufacturing the same, the touch panel including a transparent substrate; and a conductive part formed on the transparent substrate, wherein the conductive part is formed by coating silver salt emulsion layers having different photo-sensitivities on the transparent substrate such that the silver salt emulsion layers are laminated in multiple layers, followed by exposing/developing, so that electrical conductivity of the conductive part can be significantly improved. | 02-27-2014 |
20140055380 | TOUCH PANEL - Disclosed herein is a touch panel including an electrode pattern formed by forming imaginary lattices configured of same polygons as each other, randomly generating predetermined points in the polygons, and connecting the predetermined points and vertexes of the polygons to each other. The electrode pattern is irregularly formed, thereby making it possible to prevent a Moire phenomenon and improve visibility. | 02-27-2014 |
20140062901 | TOUCH PANEL - Disclosed herein is a touch panel, including: an electrode formed in a pattern including rectangles arranged while sharing sides, the rectangle includes a first side and a second side which are parallel and a third side and a fourth side which are parallel, the first side being longer than the third side, and in the rectangles, among the rectangles, a first side of a first rectangle and a third side of a second rectangle form a straight angle, a first side of the third rectangle and a third side of a fourth rectangle form the straight angle, and a first side of the second rectangle and a fourth side of the third rectangle form the straight angle. | 03-06-2014 |
20140062902 | TOUCH PANEL - Disclosed herein is a touch panel, including an electrode formed in a pattern including continuous rectangles, and in first rectangles which are continuous in a first direction among the rectangles, first common sides and second common sides are alternately formed among the first rectangles, in second rectangles which are continuous in a second direction among the rectangles, third common sides and fourth common sides are alternately formed among the second rectangles, and the first common sides, the second common sides, the third common sides, and the fourth common sides are parallel to each other and have the same length as each other. | 03-06-2014 |
Patent application number | Description | Published |
20140184953 | TOUCH PANEL - Disclosed herein is a touch panel including: a transparent substrate and an electrode pattern formed on one surface of the transparent substrate, wherein the transparent substrate has concave-convex portions formed on one surface thereof, and the electrode pattern is formed in a shape corresponding to those of the concave-convex portions on the concave-convex portions. According to the present invention, the concave-convex portions are formed on the transparent substrate to make heights of electrode patterns irregular, thereby making it possible to prevent a moiré phenomenon generated when a mesh pattern is used as the electrode pattern. | 07-03-2014 |
20140320438 | DISPLAY DEVICE INCLUDING TOUCH PANEL AND METHOD OF EVALUATING VISIBILITY OF ELECTRODE PATTERN OF TOUCH PANEL - Disclosed herein is a display device including a touch panel, including: a transparent substrate; an electrode pattern formed as a mesh pattern on the transparent substrate; and a display unit correspondingly coupled to the electrode pattern, wherein a ratio of a pitch of the electrode pattern to a pitch of a pixel of the display unit is 1:0.3 to 1:0.5. Therefore, the Moire phenomenon that may be generated between the electrode pattern of the touch panel and the pixel pattern of the display unit coupled to the touch panel may be prevented. | 10-30-2014 |
20140320448 | TOUCH SENSOR - Disclosed herein is a touch sensor, including: a transparent substrate; and an electrode pattern formed on the transparent substrate, wherein the electrode pattern is formed in a mesh pattern and the mesh pattern includes at least one of the irregular unit patterns. According to the preferred embodiment of the present invention, the entire visibility of the touch sensor may be improved by alleviating recognition by a user for the electrode pattern of the touch sensor. | 10-30-2014 |