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Joo Hee
Joo Hee Han, Daejeon KR
| Patent application number | Description | Published |
|---|---|---|
| 20090269267 | Continuous method and apparatus for functionalizing carbon nanotube - The present invention relates to a continuous method and apparatus for functionalizing a carbon nanotube, and more specifically, to a continuous method and apparatus for functionalizing a carbon nanotube including preparing a functionalized product by functionalizing a carbon nanotube solution including nitro compound according to the following Chemical Formula 1 and carbon nanotube mixture including an oxidizer for forming nitric acid under subcritical water or supercritical water condition of 50 to 400 atm and a continuous method and apparatus for functionalizing a carbon nanotube under subcritical water or supercritical water condition using nitro compound without using strong acids or strong bases. | 10-29-2009 |
| 20090297424 | Continuous method and apparatus of functionalizing carbon nanotube - The present invention relates to a continuous method for functionalizing a carbon nanotube, and more specifically, to a continuous method for functionalizing a carbon nanotube by feeding functional compounds having one or more functional group into a functionalizing reactor into which a carbon nanotube mixture including oxidizer is fed under a pressure of 50 to 400 atm and a temperature of 100 to 600° C. to a subcritical water or supercritical water condition of a pressure of 50 to 40 atm by using a continuously functionalizing apparatus to obtain the functionalized products, such that the functional group of the functional compound can be easily introduced to the carbon nanotube, thereby increasing the functionalized effect of the carbon nanotube and increasing the dispersibility accordingly. | 12-03-2009 |
| 20100065776 | Continuous methods and apparatus of functionalizing carbon nanotube - The present invention relates to a continuous method and apparatus of functionalizing a carbon nanotube, and more specifically, to a continuous method of functionalizing a carbon nanotube under subcritical water or supercritical water conditions without additional functionalizing processes, comprising: a) continuously feeding the carbon nanotube solution and an oxidizer under a pressure of 50 to 400 atm, respectively or together, and then preheating the mixture of said carbon nanotube solution and said oxidizer; b) functionalizing the carbon nanotube in the preheated said mixture under the subcritical water or the supercritical water condition of to 400 atm; c) cooling down the functionalized product into 0 to 100° C. and depressurizing the functionalized product into 1 to 10 atm; and d) recovering the cooled down and depressurized product. | 03-18-2010 |
| 20100080748 | CONTINUOUS METHOD AND APPARATUS OF PURIFYING 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. | 04-01-2010 |
Joo Hee Lee, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20100150112 | MOBILE TERMINAL AND METHOD OF MOVING NETWORK THEREOF - A mobile terminal and method of moving network thereof are disclosed. The mobile terminal includes a first communication module configured to set a link with a first network, to receive second network-associated information from the first network, and to output the received second network-associated information, a second communication module configured to set a receive-only mode with respect to the second network, to receive signal strength information of one or more neighbor cells belonging to the second network from the second network using the second network-associated information output from the first communication module, and to output the received signal strength information and a controller configured to control a signal input/output operation between the first and second communication modules and a signal transmission/reception operation between the first communication module and the first network, and the second communication module and the second network, respectively. | 06-17-2010 |
Joo Hee Son, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20100097321 | MOBILE TERMINAL AND METHOD FOR CONTROLLING THE SAME - Disclosed are a terminal in which a shape or configuration of a virtual keypad is transformable by considering user's convenience and a method for controlling the same, the terminal including: a display module configured to display a virtual keypad; a user input unit configured to receive a touch or drag input from a user; and a controller configured to transform the shape of the virtual keypad according to a dragged direction or dragged length when a spot of the virtual keypad is touched to be dragged in a specific direction. | 04-22-2010 |
| 20100115405 | TERMINAL AND METHOD FOR USING THE INTERNET - A mobile communication terminal is provided. The mobile communication terminal includes a memory, a touch screen, and a controller. The touch screen is configured to display an Internet address input window, at least a portion of an Internet page corresponding to an Internet address in the Internet address input window, and a virtual key pad. The controller is configured to generate a duplicate window of the Internet address input window in response to a first touch input performed on the Internet address input window, move the duplicate window in response to a drag operation, store the Internet address in a memory in response to dropping the moved duplicate window on a key in the virtual key pad, and generate a short-cut by assigning the stored Internet address to the key. | 05-06-2010 |
Joo Hee Song, Busan KR
| Patent application number | Description | Published |
|---|---|---|
| 20110094256 | Refrigerator having sub door and manufacturing method of sub door - A refrigerator having a sub door which reduces energy loss and a method of manufacturing method the sub door. The refrigerator includes a main body provided with storage chambers formed therein, doors opening and closing the storage chambers, and provided with an opening, a sub door to open and close the opening, and a cooling unit provided on the rear surface of the sub door. When the sub door is opened, cool air of the cooling unit is transmitted to a stored article put on the rear surface of the sub door, and when the sub door is closed, relatively uniform temperature distribution in the storage chamber is achieved and thus storage performance of the refrigerator is improved. | 04-28-2011 |
Joo Hee Song, Nam-Gu KR
| Patent application number | Description | Published |
|---|---|---|
| 20100107679 | Refrigerator - Disclosed is a refrigerator including a main body provided with a storage chamber; a door to respectively open and close the storage chamber; a control unit installed the door to select an operation; a reception part provided in the door to receive the control unit; and an installation hole provided on a side end of the door to cause the control unit to be inserted into the reception part. The control unit is installed through the side end of the door, which is deviated from a user's line of sight. | 05-06-2010 |
| 20110048059 | Kimchi refrigerator - A kimchi refrigerator includes an evaporator surrounding a storage chamber in contact with an outer surface of the storage chamber; a basket received in the storage chamber to receive at least one container storing kimchi, and taken in and out of the storage chamber according to the opening and closing operation of the door; and an auxiliary cooling member surface-contacting a front outer surface of the basket, which is adjacent to the evaporator. The auxiliary cooling member is made of a high thermal-conductivity material so that high inner temperature of the storage chamber is efficiently transferred, accordingly reducing the temperature deviation. | 03-03-2011 |