baber/WOPTO huggingface dataset:
Patent KR-20090015712-A (KR)
Title: Method for forming vertically structured light emitting diode device
Inventor: KIM TAE HYUNG
IPC: H01L33/00
Filed: 2007-08-09
Abstract: A method for forming vertically structured light emitting diode device is provided to prevent the damage to the light emitting structure in a process for forming a structural support layer and laser lift-off process for removing a sapphire substrate. In a method for forming vertically structured light emitting diode device, a sapphire substrate(110) is prepared. The n-type gallium nitride semiconductor layer(121), an active layer(122), and a light emitting structure in which the p-type gallium nitride semiconductor layer(123) are successively laminated on the sapphire substrate. The P-electrode(150) is formed on the p-type gallium nitride semiconductor layer. In the sapphire substrate, an LLO process of separating a first area from the light emitting structure. The second part of the sapphire substrate is separated from a light emitting structure so that the n-type gallium nitride semiconductor layer is exposed while the structural support layer is formed on P-electrode. The N-type electrode is formed on the exposed n-type gallium nitride semiconductor layer.
Patent KR-20090016641-A (KR)
Title: A chair seat length control
Inventor: KIM JAE HO
IPC: A47C7/00
Filed: 2007-08-12
Abstract: A seat adjustable chair is provided to allow the length of the seat to be changed by controlling the back supporting part connected with the seat according the size of the human body. A seat adjustable chair is controlled by dividing the seat into two parts, connecting the two parts by using a connection part(2); controlling the length by using the connection part; and controlling the back supporting part connected with the seat front and back by using a connection part so as to change the length of the seat.
Patent KR-20090003060-A (KR)
Title: Knowledge management system and method for implementing management software using the same
Inventor: YEUNG ALAN S
IPC: G06F17/00
Filed: 2007-08-17
Abstract: An information management system and a management software implementing method for implementing the enterprise software by using an information management system are provided to collect necessary data for implementing management software. An information management system(200) is set up within a management host installed with a administration software. The information management system includes management database(210), the network calibration module(220), and the software approval. The information management system includes a plurality of information based table.
Patent KR-20090020064-A (KR)
Title: Device for sensing flow of fluid
Inventor: YOON YOUNG SOO
IPC: G01F1/00
Filed: 2007-08-22
Abstract: A fluid flow sensing device is provided to precisely sense the circulation of a fluid along a path and control the operation of various systems in the fluid circulation structure not to be damaged by the non-circulation state of the fluid. A detecting switch(50) has a probe(54) fitted into an operation hole(21) of an end cap(20) and contacting an elastic diaphragm(30) and a movable contact point(53) biased toward the elastic diaphragm to be separated from a fixed contact point(52). A detecting core(40) is inserted into a first path(11) of a body part and deforms the elastic diaphragm by the pressure of a fluid for pushing the movable contact point to be connected to the fixed contact point.
Patent KR-20080081795-A (KR)
Title: Rechargeable hi-pass terminal
Inventor: CHO KI YOUNG
IPC: H04B1/40
Filed: 2007-08-27
Abstract: A rechargeable hi-pass terminal is provided to enhance user convenience by enabling a user to easily charge the hi-pass terminal by using a conventional charging connector used for cellular phones. A card reader(254) reads a smart card(252) for paying toll fares. A key input unit(256) receives key signals from a user. A wireless transceiver(258) wirelessly communicates with an electronic toll collection system. A display unit(260) displays whether a payment is successful using visual or audio information. A controller(262) controls inner components. A connector(272) is arranged on one side of a hi-pass terminal. One end of a power cable is connected to the connector. A rechargeable battery(270) receives power from the connector and is charged by the received power. The rechargeable battery supplies power to the display unit and the controller.
Patent KR-20090021998-A (KR)
Title: A system and method for design evaluation of mobile devices using virtual reality based prototypes
Inventor: JO DONG SIK
IPC: G06F17/50
Filed: 2007-08-29
Abstract: A system and a method for design evaluation of mobile devices using virtual reality based prototypes are provided to project design factors such as color, material, style, etc. in a high quality 3 dimensional model and to enable a user to evaluate and estimate the preference of design based on human sensibility ergonomics in real time. A CAD model storing unit(100) stores a 3 dimensional data model of a virtual mobile apparatus, and a component database selecting unit(110) selects data files and components of the virtual data model in the CAD model storing unit and takes the data files and components form the storing unit. A design factor setting unit(140) sets up design factors in the selected virtual mobile device data, and a 3D model visualizing unit(120) visualizes the setup virtual mobile device in a 3D model. A product operation controlling unit(150) simulates the operation and function of the visualized mode, and a design preference result display unit(130) provides the design preference result of the visualized and simulated virtual article.
Patent KR-20090025734-A (KR)
Inventor: SHIN SANG HOON
IPC: G11C29/00
Filed: 2007-09-07
Abstract: 개시된 본 발명은 반도체 메모리 장치에 관한 것으로서, MRS 신호에 응답하여 테스트 신호 또는 상기 테스트 신호의 반전 신호를 선택적으로 테스트 입력 신호로서 출력하는 스위칭부; 상기 테스트 입력 신호와 퓨즈 신호를 논리 조합하여 출력 신호를 출력 하는 신호 조합부를 포함한다. 
       
     Fuse, Test Mode, MRS
Patent KR-20090030022-A (KR)
Title: Method of vector quantization and computer program electronic recording medium for the method
Inventor: YOO HOI JUN
IPC: G06F17/00
Filed: 2007-09-19
Abstract: A method of vector quantization and a computer program electronic recording medium for the method are provided in order to reduce the operation quantity for the vector quantization by detecting the element sum total range of vector having the query and minimum distance. A method of vector quantization performs the followings: the element sum total is included in a segment, and is analyzed; all vectors of the segment block in which the element sum total is included and distance of the query vector save; the minimum distance value at the segment block is set up as the arbitrary minimum distance value; the vector quantization is performed from the segment including the value in which the arbitrary minimum distance value is reduced in the element sum total of the query vector about the database section of segment including the value adding the element sum total and arbitrary minimum distance value of the query vector; and the element sum total range of vector having the query vector and minimum distance is detected.
Patent KR-20090034032-A (KR)
Title: A method of accelerated water speed to down on inclined waterway and shipping facilitys
Inventor: JEONG DEOK HAN
IPC: B63B39/00
Filed: 2007-10-02
Abstract: An accelerated flow reduction method of an inclined waterway and an auxiliary device for ship operation are provided to improve the travel safety of a ship by reducing the lining gravity of an inclined waterway. In an accelerated flow reduction method of an inclined waterway, a ship is stably operated by forming a water flow(9) controlled at the horizontal state by forming a flow spoiler(5) about the inclined water by facing high water pressure of an exhaust nozzle(2) against water pressure of the accelerated water flow(8) by the lining gravity of water flowing in an inclined waterway without using the manpower or power. In an auxiliary device for ship operation, a guide rail is installed at both inner walls of an inclined waterway in which the depth of water is low, and a part of the total weight of the ship is assigned by rolling a trolley connected with the ship. Rolling and pitching is not affected by lowering an immersion level of the ship.
Patent KR-20080031808-A (KR)
Title: Benzofluorene compound, emission materials and organic electroluminescent device
Inventor: WANG GUOFANG
IPC: C09K11/06
Filed: 2007-10-04
Abstract: A benzofluorene compound is provided to obtain a light emitting material capable of imparting excellent heat resistance, light emitting efficiency, current efficiency, lifespan and external quantum efficiency to an organic electroluminescence device. A benzofluorene compound is represented by the following formula 1. In formula 1, each of Ar1 and Ar2 represents a substituted or non-substituted aryl; and each of R1 and R2 independently represents H, a substituted or non-substituted alkyl, substituted or non-substituted cycloalkyl or substituted or non-substituted aryl, with the proviso that at least one of R1 and R2 is a substituted or non-substituted aryl.
Patent KR-20090035398-A (KR)
Title: The rice ball for wrap
Inventor: WOO JI HEON
IPC: B65D75/04
Filed: 2007-10-06
Abstract: A wrap for making rice-ball is provided, which makes making rice-ball more easy and convenient and reduces amount of the vinyl won on the hands of a user while making the rice-ball. A wrap for making rice-ball is made of a piece of wrap. The rice is put in the wrap, the end of four directions of the wrap is puckered, pressure is applied, and a rice-ball of the round shape is made. The wrap for making the rice-ball is made of HDPE(high density polyethylene).
Patent KR-20090039180-A (KR)
Title: Ion conductive hybrid membrane, membrane-electrode assembly and fuel cell
Inventor: MOON GO YOUNG
IPC: H01M8/02
Filed: 2007-10-17
Abstract: An ion conductive hybrid membrane is provided to ensure excellent mechanical strength and electrochemical durability due to excellent ion conductivity, thin thickness, low ohm resistance and easy humidity control. An ion conductive hybrid membrane comprises fiber of fluoride or partially fluoride-based polymer resin. The ion conductive hybrid membrane comprises a porous mat formed through an electrospinning method and fluoride or partially fluoride-based polymer resin dipped in the porous mat.
Patent KR-20080035504-A (KR)
Title: Inorganic plate and its production
Inventor: UKAI MASANORI
IPC: C04B16/02
Filed: 2007-10-19
Abstract: An inorganic plate material is provided to prevent calcium hydrate and a fibrous reinforcing material from water absorption, dimensional change and carbonation-derived shrinking, thereby realizing excellent absorption resistance, dimensional stability and freezing/thawing resistance. An inorganic plate material comprises: a cement-like water curable material; a beaten fibrous material; and a saturated carboxylic acid. The fibrous reinforcing material is used in an amount of 1-30 wt% based on the total solid content. The saturated carboxylic acid is used in an amount of 0.1-2.0 wt% based on the total solid content. The saturated carboxylic acid includes stearic acid or succinic acid.
Patent KR-20090040621-A (KR)
Title: Liquid crystal display device
Inventor: LEE JUNG MOK
IPC: G02F1/1333
Filed: 2007-10-22
Abstract: A liquid crystal display device is provided to reduce the thickness by arranging a light source at sides of a liquid crystal panel and light guide plate. A frame(100) accommodates a backlight assembly and a liquid crystal panel(300). A housing unit(110) accommodates a light source(240) and a light guide member(230). The light guide member guides the light generated from the light source. A reflection plate(210) reflects the light upward. A light guide plate(220) emits the incident light upward through the total reflection. The light source is arranged in the housing unit. The light guide member disperses the light to the light guide plate. An optical sheet(250) improves optical properties of the passing light. A liquid crystal panel controls the intensity of the passing light according to each pixel.
Patent KR-20090046181-A (KR)
Inventor: SOHN JAE HONG
IPC: G01B11/24
Filed: 2007-11-05
Abstract: 본 발명은 실험실에서 주행주인 타이어의 접지형상을 측정하는 장치에 관한 것으로, 더욱 상세하게는 고속으로 주행하는 타이어의 접지형상을 실시간으로 정확하게 측정할 수 있는 주행 타이어의 접지형상 측정장치에 관한 것으로, 이를 위해 본 발명은 시험 타이어(1)에 하중을 가한 상태에서 구동시키는 회전드럼(2)과, 이 회전드럼(2)에 접지하여 회전하는 시험 타이어(1)의 접지형상을 측정하는 카메라(3), 상기 시험 타이어(1)에 캠버각을 부여하는 캠버각 부여부(4), 상기 시험 타이어(1)에 하중을 측정하는 하중 측정부(5) 및, 이 시험 타이어(1)에 가해지는 하중을 제어하는 하중 제어부(6)로 이루어지되, 상기 회전드럼(2)에는 원주방향으로 일정폭으로 형성된 강화유리(7)가 부착되고, 이 강화유리(7)에 시험 타이어(1)의 접지면이 접지되며, 상기 강화유리(7)를 통한 시험 타이어(1)의 접지형상을 카메라(3)가 측정하도록 구성되어 있다.
Patent KR-20080042015-A (KR)
Title: Motor drive circuit, method for driving motor and semiconductor integrated circuit device
Inventor: OURA HISASHI
IPC: H02P6/06
Filed: 2007-11-07
Abstract: A motor drive circuit, a method for driving a motor and a semiconductor integrated circuit device are provided to make a slope of current variation be steady without adjusting performance of the motor and performance of a switching element. A motor drive circuit(6) includes a power converting device, a speed control calculating unit, a first pulse width modulating signal generating unit, a second pulse width modulating signal generating unit, a predetermined overlap period generating unit(16), a signal selecting unit(9), and a pulse width modulation controlling unit. The power converting device supplies drive power to a plural-phase coil of a motor(4). The speed control calculating unit(13) outputs a current instruction signal(a) calculated based on a difference between a rotation speed and a speed instruction value. The pulse width modulation controlling unit controls the power converting device by a pulse width modulation method on the basis of a selection signal from the signal selecting unit.
Patent KR-20090050689-A (KR)
Inventor: YANG JIN HO
IPC: G09G3/291
Filed: 2007-11-16
Abstract: 플라즈마 표시 장치는 유지 기간 동안 유지 방전을 수행하는 전극에 하이 레벨 전압과 로우 레벨 전압을 교대로 인가한다. 이러한 동작을 위해, 전극과 하이 레벨 전압을 공급하는 제1 전원 사이에 제1 스위치가 연결되어 있고, 상기 전극과 로우 레벨 전압을 공급하는 제2 전원 사이에 제2 스위치가 연결되어 있다. 전력 회수용 커패시터에 적어도 하나의 인덕터의 제1단이 연결되어 있으며, 상기 적어도 하나의 인덕터의 제2단과 상기 전극 사이에 제1 다이오드와 제3 스위치가 직렬로 연결되어 있으며, 상기 적어도 하나의 인덕터의 제2단과 상기 전극 사이에 제2 다이오드와 제4 스위치가 직렬로 연결되어 있다. 이때, 적어도 하나의 인덕터의 제2단에 연결되어 있는 클램핑 회로부는 제1 및 제2 스위치의 턴온 시에 상기 적어도 하나의 인덕터에 의해 발생하는 공진 에너지를 흡수한다. 
       
     PDP, 전극, 방전, 프리휠링 전류, 에너지, 유지 펄스, 클램핑, 공진 에너지
Patent KR-20090051556-A (KR)
Inventor: PYO SOON CHAN
IPC: F01P7/16
Filed: 2007-11-19
Abstract: 본 발명은 차량의 EGR 쿨러로 냉각수를 공급할 수 있도록 하는 차량의 EGR 쿨러 냉각수 공급장치에 관한 것으로, 
     종래의 장치는 엔진 냉각수가 계속 순환하여 EGR 쿨러의 배기가스 온도를 계속적으로 떨어뜨리게 되지만 EGR 쿨러(20')에 의해 냉각수가 과도하게 냉각되어 CO/HC 발생량이 많아지게 되고, 그에 따라 촉매 백금 로딩량이 많아지게 되는 문제가 있었던 바, 
     일정 냉각수온 이상에서 내부의 밸브가 열려 차량의 라디에이터로 고온의 냉각수를 공급시키는 써머스탓의 출구측에 EGR 쿨러를 접속하여 써머스탓으로부터 EGR 쿨러로 냉각수를 공급하는 것과, 써머스탓 출구측의 EGR 쿨러 접속 부위에 냉각수온에 따라 개폐되는 냉각수 공급밸브를 설치하여 냉각수온이 낮을 때에 EGR 쿨러에 냉각수가 공급되지 않도록 하는 것 등을 특징으로 하는 본 발명에 의하면 EGR 쿨러로 공급되는 냉각수 온도는 써모스탓 내부의 밸브 특성에 의해 조정 가능하게 되므로 EGR 쿨러로 인한 과도한 냉각을 차단할 수 있게 되어 CO/THC 발생을 저감시킬 수 있게 되고, 그에 따라 촉매 백금 로딩(Loading)량을 저감시킬 수 있게 되어 원가를 절감할 수 있게 되는 등의 효과를 얻을 수 있게 된다. 
       
     EGR 쿨러, 써머스탓, 냉각수, 촉매 로딩량
Patent KR-20090051930-A (KR)
Inventor: LEE CHUL HO
IPC: H01L21/304
Filed: 2007-11-20
Abstract: 본 발명은 기판 세정 장치 및 방법을 개시한 것으로서, 기판의 이동 방향에 경사진 방향으로 브러시를 배치하여 기판을 세정 처리하는 것을 특징으로 가진다. 
     이러한 특징에 의하면, 기판의 세정 효율을 증대시키며, 기판의 이동 안전성을 증가시키고, 세정액의 챔버 외부 누출을 억제할 수 있는 기판 세정 장치 및 방법을 제공할 수 있다. 
     
     기판, 세정, 브러시, 경사각
Patent KR-20070116769-A (KR)
Title: Reinforcing batting power device for billiard que
Inventor: JUNG HAN BONG
IPC: A63D15/08
Filed: 2007-11-21
Abstract: A device for reinforcing a hitting force of a billiard que is provided to increase a hitting speed and a rotation force of a ball so as to reduce a user's hitting force and to improve his/her game-play performance, and to allow him/her to carry out an artistic play and various game patterns easily even when he/she is a beginner. A device for reinforcing a hitting force of a billiard que comprises: a main body(100), which is formed in a cylindrical shape, as well as one side of which has an inner threaded circumference(120), and the other side of which has a lateral end with a hanging lug(110) which is formed along a peripheral inside of the lateral end; an upper bar connection(500), built in the other side of the main body, and having an upper-bar connecting hole, penetrated through the center of the connection body, so that the upper-bar connecting hole is screw-connected to an upper bar of the billiard que; a lower-bar connection(300), having a disk-shaped base(310) and a lower-bar connecting rod(320), on an outer circumference of which a threaded groove is formed; a cylindrical receiving part(200), one side of which is opened, the other side of which is closed, and the center of which has a through-hole through which the connecting rod is passed; and an elastic body(400), one side of which is in contact with the base so as to be received into the receiving part, and the other side of which is in contact with a one side of the upper-bar connection so as to be seated inside the main body.
Patent KR-20090052635-A (KR)
Inventor: LEE CHUNG WOO
IPC: G11B9/00
Filed: 2007-11-21
Abstract: 본 발명은 기록 매체, 정보 저장 장치 및 기록 매체 위치 정보 신호를 발생하는 장치에 관한 것으로, 기록 매체에 트랙 정보 패턴을 형성하고, 이 트랙 정보 패턴을 감지하여 기록 매체의 트랙 정보를 파악함으로써, 정보 저장 장치는 처리 속도를 향상시킬 수 있는 장점이 있다. 
     또한, 본 발명은 트랙 정보 신호 및 트래킹 위치 에러 신호를 감지할 수 있으므로, 기록 매체의 전 영역의 위치 정보를 파악할 수 있는 장점이 있다. 
       
     기록매체, 트랙, 정보, 트래킹, 위치, 패턴
Patent KR-20090052641-A (KR)
Inventor: KIM EUN KYU
IPC: H01L27/115
Filed: 2007-11-21
Abstract: 실리콘 카바이드 나노입자를 이용한 비휘발성 메모리 소자 및 이의 제조방법이 개시된다. 열처리를 통해 실리콘 카바이드층은 실리콘 카바이드 나노입자로 변환된다. 실리콘 카바이드 나노입자는 비휘발성 메모리에서 부유 게이트로 활용된다. 이를 통하여 정보의 프로그램 및 소거가 가능한 나노 양자점이 형성되며, 저전력 및 고속 동작이 가능한 비휘발성 메모리 소자가 제작된다. 
       
     실리콘 카바이드, 비휘발성 메모리, 부유 게이트
Patent KR-20090029158-A (KR)
Title: A wideband track-and-hold amplifier
Inventor: CHOI MICHAEL BYUNG
IPC: G11C27/02
Filed: 2007-11-21
Abstract: A wideband track-and-hold amplifier is provided to increase bandwidth of an output signal by correcting a high capacitance component of an analog to digital converter. A wideband track-and-hold amplifier comprises a sampling unit(101), a transconductor unit(102), and an output load unit(103). The sampling unit samples an analog signal. An output terminal(105) of the transconductor unit is connected to an analog to digital converter. The transconductor unit delivers a signal sampled in the sampling unit to the analog to digital converter. The output load unit is branched in the output terminal of the transconductor unit, and vibrates a signal delivered to the analog to digital converter. The sampling unit includes a PMOS(P-channel Metal Oxide Semiconductor) transistor(202) and a hold capacitor(203). A source of the PMOS transistor is connected to an input terminal(201). One end of the hold capacitor is connected to a drain of the PMOS transistor.
Patent KR-20090053073-A (KR)
Inventor: YU SEI BEOM
IPC: H04W8/24
Filed: 2007-11-22
Abstract: 본 발명은, 콘텐츠 제공방법 및 그에 따른 단말기에 관한 것으로, 예를 들어, 와이브로(Wibro)와 같은 휴대 무선 인터넷 기능이 구비된 모바일 폰과 같은 단말기를 이용하여, 콘텐츠 제공서버(CP Server)와 연결 접속한 후, 사용자 인증 및 결제 절차를 수행하기 위해 미리 저장된 콘텐츠 코드(Contents Code)를 독출 전송함으로써, 사용자 인증 및 과금 결제 절차를 자동으로 간편하게 수행할 수 있게 되며, 또한 콘텐츠 제공서버와의 인터페이스를 통해, 다수의 콘텐츠들에 대한 동영상 미리 보기(Preview) 동작을 수행함으로써, 사용자가 원하는 콘텐츠를 보다 용이하게 선택할 수 있게 되므로, 사용자의 편리성을 크게 향상시킬 수 있게 되는 효과가 있다.  
       
     휴대 무선 인터넷, 모바일 폰, 미디어 플레이어, 콘텐츠 제공서버, 콘텐츠 코드, 사용자 인증, 과금 결제, 미리 보기
Patent KR-20090053182-A (KR)
Inventor: KIM HANG KEE
IPC: G06T13/40
Filed: 2007-11-22
Abstract: 본 발명은 캐릭터 애니메이션 시스템 및 그 방법에 관한 것으로, 내부 참조 메쉬을 이용하여 피부의 일그러짐을 표현하고, 레그돌 시뮬레이션과 키프레임의 보간을 이용하여 단순히 얻어 맞고 다시 자세를 잡는 등의 애니메이션도 실시간으로 표현함으로써, 피부의 일그러짐 뿐만 아니라 물리현상까지 자연스럽게 표현할 수 있으며, 얼굴 뿐만 아니라 캐릭터 전신에 적용할 수 있다.  
       
     캐릭터, 피부, 메쉬, 일그러짐, 강체, 시뮬레이션
Patent KR-20090055808-A (KR)
Inventor: LEE SUNG HOON
IPC: H01L21/027
Filed: 2007-11-29
Abstract: 본 발명은, 층간 절연막을 포함한 반도체 기판상에 하부 베리어 금속막, 금속막, 상부 베리어 금속막 및 식각 마스크막 패턴들을 순차적으로 형성하는 단계; 상기 상부 베리어 금속막을 식각할 때 비휘발성 부산물을 발생시키는 첨가 가스를 주식각 가스와 함께 사용하는 제1 식각 공정을 실시하여 상부 베리어 금속막 패턴들을 형성하는 단계; 및 상기 식각 마스크막 패턴들을 이용한 상기 금속막 및 상기 하부 베리어 금속막의 제2 식각 공정을 순차적으로 실시하여 금속 배선 및 하부 베리어 금속막 패턴들을 형성하는 단계로 이루어진다. 
       
     비트라인, 노칭(notching), 전자이동, 저항
Patent KR-20090056072-A (KR)
Title: Emergency warning message broadcasting method using range-based relay node selecting method for vehicular ad-hoc network
Inventor: KIM TAE HWAN
IPC: H04L12/28
Filed: 2007-11-29
Abstract: An emergency warning message broadcasting method using a range-based relay node is provided to minimize a message transmission time between terminals by assigning an optimum transmission delay time. An emergency warning message broadcasting method is comprised of the steps: relaying node candidate receives the EWM(Emergency Warning Message)(S2); it is determined whether the received message is the new EWM or not (S4); The location information of a primitive source node included in received EWM and location information of the previous relaying node are extracted, and the location information of the relaying node candidate is obtained through A GPS (S6); The distance between the primitive source node and the relaying node candidate and the distance between the relaying node and the relaying node candidate (S8); and It is determined whether the relaying node candidate is satisfied with the predetermined condition or not (S10).
Patent KR-20090060585-A (KR)
Title: Sterically hindered phenolic phosphonates and flame retardant polycarbonate resin composition containing them
Inventor: JOO BEOM JUN
IPC: C09K21/02
Filed: 2007-12-10
Abstract: A sterically hindered phenolic phosphonate-based flame retardant is provided to ensure excellent fire retardant effect, to prevent environmental contamination, and to be applicable to the thermalplastic flame retardant polycarbonate resin composition. A sterically hindered phenolic phosphonate-based flame retardant has a structure of chemical formula 1. In chemical formula 1, R1 is C1-C6 alkyl and C6-C14 aryl group; R2 is C1-C6 linear alkyl and C3-C6 branched alkyl group; and n is 1-3. A flame retardant polycarbonate-based resin composition comprises a base resin 100.0 parts by weight including a polycarbonate resin; and a sterically hindered phenolic phosphonate-based compound 0.5~20 parts by weight represented by chemical formula 1.
Patent KR-20090063739-A (KR)
Title: Apparatus for preventing bubble in automobile fuel tank
Inventor: JUNG HYUN SUK
IPC: B60K15/03
Filed: 2007-12-14
Abstract: A bubble generation suppressing apparatus of an automobile fuel tank is provided to restrain generation of bubbles from fuel injected at a high speed to prevent fuel blocking phenomenon which occurs when fuel is injected at a high speed. An automobile fuel tank includes a filler pipe(1) and a ventilation leveling pipe(2). A bubble generation suppressing apparatus of the automobile fuel tank includes a housing and a baffle(120). The housing includes an inlet(111), a ventilating part(112) and a fuel discharging hole(113). The inlet is connected with the filler pipe. The ventilating part is connected with leveling pipe. The fuel discharging hole discharges fuel to the fuel tank. The baffle partitions the housing.