Patent application number | Description | Published |
20090098402 | Nanocrater catalyst in metal nanoparticles and method for preparing the same - Disclosed are a nanocrater catalyst in metal nanoparticles with a nanocrater form of hole structure in center of the catalyst which is useful for manufacturing nano-sized materials and/or articles with desired structure and characteristics, a preparation method thereof including a plasma etching and chemical etching process (“PTCE process”), and nano-sized materials and/or articles manufactured by using the nanocrater catalyst in metal nanoparticles. | 04-16-2009 |
20090194736 | Nanosized nickel-doped carbon nanotubes for hydrogen storage and production method thereof - Disclosed herein is a method of doping nanosized nickel (Ni) on the surface of carbon nanotubes to improve the hydrogen storage capacity of the carbon nanotubes. The method comprises: sonicating carbon nanotube samples produced by vapor deposition, in sulfuric acid solution, followed by filtration to remove a metal catalyst from the carbon nanotube samples; and doping the carbon nanotube samples in liquid phase solution, followed by drying and reduction, so as to dope nanosized nickel on the surface of the carbon nanotubes. | 08-06-2009 |
20100015031 | Carbonnitride nanotubes with nano-sized pores on their stems, their preparation method and control method of size and quantity of pore thereof - Disclosed are carbon nitride (C | 01-21-2010 |
20110009258 | Titanate Nanostructure and Method for Preparation Thereof - Disclosed is a titanate nanostructure, especially, represented by a chemical formula of NaKTi | 01-13-2011 |
20110110848 | Titanate Nanostructure and Method for Using Thereof - Disclosed is a titanate nanostructure, especially, represented by a chemical formula of AaBbTixOy wherein A and B are alkaline metals and 0≦a≦9, 0≦b≦9, 1≦a+b≦18, 1≦x≦10 and 2≦y≦20 with a, b, x and y each being an integer. A method for using the titanate nanostructure as a hydrogen storage medium is also provided. | 05-12-2011 |
20120142524 | NANOCRATER CATALYST IN METAL NANOPARTICLES AND METHOD FOR PREPARING THE SAME - Disclosed are a nanocrater catalyst in metal nanoparticles with a nanocrater form of hole structure in center of the catalyst which is useful for manufacturing nano-sized materials and/or articles with desired structure and characteristics, a preparation method thereof including a plasma etching and chemical etching process (“PTCE process”), and nano-sized materials and/or articles manufactured by using the nanocrater catalyst in metal nanoparticles. | 06-07-2012 |
20140021589 | Semiconductor Photocatalyst Coated with Graphitic Carbon Film and Method of Fabricating the Same - A semiconductor of which a substance such as a semiconductor photocatalyst is uniformly coated on the surface thereof with a graphitic carbon film and a method of fabricating the same are disclosed. According to the inventive method, a graphitic carbon film having a thickness of 1 nm or less is uniformly formed on the surface of the semiconductor by performing hydrothermal synthesis and pyrolysis on glucose, so as to keep the original structure crystallinity of the semiconductor photocatalyst to be a support of the carbon film. | 01-23-2014 |
Patent application number | Description | Published |
20080301782 | BROADCAST/MULTICAST SERVICE SYSTEM AND METHOD PROVIDING INTER-NETWORK ROAMING - A method of providing a broadcast/multicast (BCAST) service, the method including receiving, from a terminal, a request of access to a BCAST service, performing service authorization with a home network, delivering, to the terminal, a message including a rights object (RO) to access the BCAST service, if the terminal is authorized to receive the BCAST service as a result of the service authorization, and providing the BCAST service to the terminal that was authorized to receive the BCAST service. | 12-04-2008 |
20090141665 | BROADCAST/MULTICAST SERVICE METHOD BASED ON USER LOCATION INFORMATION - A method and device for providing a broadcast/multicast service are discussed. According to an embodiment, the invention provides a method comprising: receiving, by a client module, a service guide including contents information with respect to one or more contents from a broadcast/multicast server; transmitting, by the client module, a broadcast/multicast request message with respect to contents selected by a user of a specific terminal among the contents information included in the received service guide to the broadcast/multicast server; transmitting, by the client module, a location tracking request message with respect to the specific terminal to a network entity; receiving a response message with respect to the location tracking request message, the response message including a location tracking result from the network entity; transmitting, by the client module, location information of the specific terminal to the broadcast/multicast server. | 06-04-2009 |
20090147721 | BROADCAST/MULTICAST SERVICE METHOD BASED ON USER LOCATION INFORMATION - A method and device for receiving a broadcast/multicast service as discussed. According to an embodiment, the invention provides a method of receiving a broadcast/multicast service by a terminal, the method comprising: receiving a service guide from a network including a broadcast/multicast server, the service guide being used by a user to select specific contents related to a broadcast/multicast service; transmitting information on the contents selected by the user, to the network; transmitting a content request to the network; and receiving contents from the network in response to the content request, wherein the received contents were further selected, among the contents selected by the user, by the broadcast/multicast server that performed an exact location tracking of the terminal to enable location based filtering of services corresponding to the contents selected by the user. | 06-11-2009 |
20100044630 | TiO2-xNx Nanotubes and Method for Preparing the Same | 02-25-2010 |