baber/WOPTO huggingface dataset:
Patent KR-20020041880-A (KR)
Title: Glass cleaning or etching composition and treatment method for alternative using hydrogen fluoride
Inventor: LEE EUL KYU
IPC: C09K13/06
Filed: 2000-11-29
Abstract: PURPOSE: Provided is a composition for cleaning and etching the surface of glass for the substitution of fluoric acid, which can reduce the excessive corrosion and the hazardousness of the fluoric acid remarkably and keep the cleaning force for a long time. CONSTITUTION: The composition contains 1L of water, 10-50g/l of an organic acid containing a sulfonic ion, such as methane sulfonic acid or propane sulfonic acid, and 1-300g/l of an inorganic salt containing a fluorine ion, such as ammonium bifluoride. Or the composition contains 1L of the water, 10-500g/l of the organic acid containing the sulfonic ion, 10-300g/l of an organic acid containing a carboxyl group, 1-300g/l of the inorganic salt containing the fluorine ion, 1.5-20g/l of a polymerization accelerator, and 0.1-20g/l of an alkali metal.
Patent KR-20020046024-A (KR)
Title: Liquid crystal display structure for improving transmittance and residual image
Inventor: LEE GYEONG HA
IPC: G02F1/133
Filed: 2000-12-12
Abstract: PURPOSE: A liquid crystal display is provided to increase transmissivity, reduce driving voltage and improve residual image. CONSTITUTION: The first ITO layer(4) is patterned into electrodes arranged in order of a signal electrode(Vsig), a common electrode(Vcom) and a signal electrode(Vsig) formed on a glass substrate(14). The second ITO layer(6) is patterned into electrodes arranged in order of a common electrode, a signal electrode and a common electrode placed above the first ITO layer. In the aforementioned structure, the common electrode and the signal electrode have electric fields crossed each other. The distance between the common electrode and the signal electrode formed from the first ITO layer and the distance between the common electrode and the signal electrode formed from the second ITO layer are less than 10 micrometers.
Patent KR-20020046767-A (KR)
Title: Supporting method of electronic payment for web billing and carrying out as withdrawal proxy for information brokerage
Inventor: BAEK GYU TAE
Filed: 2000-12-15
Abstract: PURPOSE: A method for operating a payment unit for a web billing and a withdrawal agency service is provided to enable a subscriber and a contents provider to use various payment systems conveniently and effectively when using a charged information system by constituting a hub having only a connection interface with respect to each payment system and supplying a unit for easily charging an electronic money. CONSTITUTION: A gateway judges whether a joining of a contents provider, a joining of a user, or a connection to the contents provider of a subscriber is requested. If a connection to the contents provider of a subscriber is requested, the gateway receives a contents provider connection request and checks whether the subscriber is registered. If the subscriber is registered, it is checked whether the contents provider is registered. If the contents provider is registered, it is checked whether the subscriber has electronic money or not(607). If the subscriber has electronic money, it is checked whether the contents provider receives an electronic payment(611). If the contents provider receives an electronic payment, it is checked whether the contents provider wishes to charge an account using a telephone number(617). If the contents provider wishes to charge an account using a telephone number, charging information is saved in a corresponding telephone number and a charging is performed(618). The subscriber is connected to the contents provider(619). Contents of the contents provider are transmitted to the subscriber(620), a charge is paid(621), and using details are informed to the contents provider and the subscriber(622). An information rental free except a commission is supplied to the contents provider(623).
Patent KR-20020048688-A (KR)
Title: Antenna device for high sensitivity
Inventor: IN SEONG TAE
IPC: H01Q1/24
Filed: 2000-12-18
Abstract: PURPOSE: An automatic sensitivity response antenna is provided to improve the sensitivity of an antenna by constructing an antenna assembly being inserted into/stretched from a main body. CONSTITUTION: A cover unit(30b) is provided with an antenna light inside thereof. A helical antenna(10) is coupled to an upper surface of the cover unit(30b). A whip antenna(20b) is inserted into the cover unit(30b) and provided with a hook(22) having an expanded diameter on the center thereof. A pipe(40) makes the whip antenna(20b) completely insert into the cover unit(30b). An antenna spring(50) is installed on a lower portion of the whip antenna(20b) in order to add an elasticity in drawing out it. A pipe spring(60) adds the elasticity to the pipe(40). An antenna spring(70) is contacted with one end of the pipe(40) so that the other end thereof restricts the antenna spring(50).
Patent KR-20020049457-A (KR)
Title: System and method of configuration management on internet
Inventor: KIM HYU CHEOL
IPC: G06F15/00
Filed: 2000-12-19
Abstract: PURPOSE: A method and a system for managing an Internet configuration are provided to increase the quality of a system by rapidly and accurately analyzing an error in a specific area at a distributed system, and by maintaining a functional and a hierarchical relation among configuration information in changing internal configuration information. CONSTITUTION: An operating system(10) is supported for operating a configuration management system in a personal computer terminal. A CMS(Configuration Management System) processing block(11) processes the configuration management system. An Internet interface block(12) connects an Internet network(20). A subscriber terminal processor(30) can be accessed by all users. The configuration management system(11) performs a TCP/IP communication through the Internet interface block(12).
Patent KR-20020046876-A (KR)
Inventor: CHOI HAE YONG
IPC: H01J9/24
Filed: 2000-12-15
Abstract: PURPOSE: A method for fabricating a spheric screen is provided to shape a plastic material and a screen surface material by using an air pressure instead of a spheric mold. CONSTITUTION: A plastic material(4) of a heated state is loaded and fixed on an upper end portion of a vacuum frame(7) injecting compressed air. The plastic material(4) is shaped by using the compressed air. The plastic material(4) of a spheric shape is formed by performing a shaping process for the plastic material(4). A screen surface material(5) is loaded on an upper end portion of the vacuum frame(7). The plastic material(4) of the spheric shape is arranged on a rear side of the screen surface material(5). An elastic plate(3) is arranged on a rear side of the plastic material(4) of the spheric shape. The screen surface material(5) is shaped and combined with the plastic material(4) of the spheric shape by injecting the compressed air to the screen surface material(5).
Patent KR-20020053103-A (KR)
Title: A diagnosis method of the variable force solenoid valve
Inventor: KWON HYEONG GEUN
IPC: G01M13/00
Filed: 2000-12-26
Abstract: PURPOSE: A fault diagnosis method is provided to diagnose faults of solenoid valve of motor vehicle transmission by using the change of state of frequency characteristics. CONSTITUTION: A fault diagnosis method comprises a step(S21) of detecting a voltage level of a feedback signal output terminal of a variable force solenoid valve; a step(S22) of judging whether the detected voltage level is at "on" state; a step(S23,S24) of increasing a short counter value by one, making a disconnection counter value zero, and judging the short counter value, if the detected voltage level is at "on" state; a step(S25) of generating a short fault code if the short counter value is greater than a first reference value; a step(S26,S27) of increasing the disconnection counter value by one, making the short counter value zero, and judging the disconnection counter value, if the detected voltage level is at "off" state; and a step(S28) of generating a disconnection fault code if the disconnection counter value is greater than a second reference value.
Patent KR-20010015753-A (KR)
Title: 바이러스 제거 방법
IPC: A61L2/00
Filed: 1998-10-14
Abstract: 실질적으로 바이러스가 없는 면역글로불린, 구체적으로는 항-D 면역글로불린의 제조 방법 및 이로부터 얻은 생성물에 관한 것이다.  구체적으로는, 항-D 면역글로불린을 고이온 강도 완충액 및 폴리소르베이트 80과 같은 부형제를 사용하여 나노여과시키는 방법을 제공한다.  추가의 단계는 항-D 단백질을 농축시키고 존재하는 부형제의 농도를 감소시키기 위한 투석여과를 포함한다.
Patent KR-20010031625-A (KR)
Title: 생분해성 열가소성 조성물
IPC: D04H3/16
Filed: 1998-10-30
Abstract: 폴리(락트산) 중합체; 폴리부틸렌 숙시네이트 중합체 또는 폴리부틸렌 숙시네이트 아디페이트 중합체 또는 상기 중합체의 혼합물; 및 습윤제의 미반응 혼합물을 포함하는 열가소성 조성물에 관한 것이다.  열가소성 조성물은 상당한 생분해성을 나타내면서도 용이하게 가공처리된다.  열가소성 조성물은 체액과 같은 유체의 흡수용으로 의도된 일회용 흡수 제품에 사용될 수 있는 다성분 섬유 또는 부직 구조물을 제조하는데 유용하다.
Patent KR-20010031890-A (KR)
Title: 마이크로파 에너지를 이용한 무정질 필름 어닐링 방법
IPC: H01L21/20
Filed: 1998-11-03
Abstract: 챔버(133)의 내부의 영역에 마이크로파를 제공하도록 배치된 마이크로파 발생기(173)를 포함하는 프로세싱 챔버내에서 기판상의 필름을 어닐링하기 위한 시스템과 방법에 관한 것이다. 마이크로파는  필름이 대부분 흡수성이지만 기판이 대부분 흡수성이 아니도록 하는 주파수를 가지다. 도파관(175)은 필름의 표면에 마이크로파를 분포시켜서  필름의 표면에 마이크로파의 거의 균일한 적량을 제공한다. 본 발명은 상기 프로세싱 챔버내의 기판상에 필름을 증착하는 단계를 포함한다.   증착 단계의 적어도 일부분 동안,  필름이 흡수 피크를 가지지만 기판이 실질적인 흡수 피크를 가지지 않도록 하는 주파수를 가진 마이크로파를 발생한다.  필름을 향해 상기 마이크로파를 안내한다.
Patent KR-20010032344-A (KR)
Title: 밸브 액츄에이션 시스템으로부터 공기 및 찌꺼기를제거하기 위한 시스템 시동 장치 및 방법
IPC: F01L9/02
Filed: 1998-11-20
Abstract: 본 발명은 엔진 밸브 액츄에이션 어셈블리용 시동 시스템(200)에 관한 것이다. 상기 시동 시스템(200)은 엔진 시동 작동 도중 상기 엔진 밸브 액츄에이션 어셈블리로부터 공기 및 찌꺼기 중 적어도 하나를 제거하기 위한 제거 어셈블리를 포함할 수 있다. 상기 제거 어셈블리는 상기 엔진 밸브 액츄에이션 어셈블리로부터 공기 및 찌꺼기 중 적어도 하나를 제거하기 위해 고압하에서 상기 엔진 밸브 액츄에이션 어셈블리로 유체를 공급하기 위한 공급 어셈블리를 포함할 수 있다. 상기 공급 어셈블리는 유압 유체의 공급량을 저장하기 위한 저장 어셈블리 및 상기 저장 어셈블리로 유체를 공급하기 위한 유체 공급 어셈블리를 포함할 수 있다. 상기 유체는 압력하에서 상기 저장 어셈블리로부터 상기 엔진 밸브 액츄에이션 어셈블리로 공급될 수 있다. 또한, 상기 유체는 중력의 영향하에서 상기 저장 어셈블리로부터 상기 엔진 밸브 액츄에이션 어셈블리로 공급될 수 있다.
Patent KR-20010032871-A (KR)
Title: 유리 섬유 부직포 및 인쇄 배선 기판
IPC: D04H3/00
Filed: 1998-12-01
Abstract: 부직포는 단면이 평탄한 유리 섬유이고 2.0 내지 10 의 평탄율을 가지며 패킹 율이 적어도 85% 바람직하게는 적어도 90% 인 단면을 가지는 고 평탄 유리 섬유로 이루어진다.  이 부직포에서, 유리 섬유 단면은 직사각형에 가까운 형상을 가지며, 따라서, 유리 섬유는 고 부피 밀도를 가진 얇은 부직포를 형성하기 위하여 매우 조밀하게 배치되며, 적층판 재료로서 사용되는 경우, 유리 섬유 용량은 증가될 수 있고, 동시에 표면 평탄율은 높아지고 인쇄 배선 기판용 강화 수지로서 충분히 사용될 수 있다.  또한, 상기 유리 섬유는, 예를 들면, 평탄 노즐 홀을 가지는 노즐 칩의 장축 벽을 한 측면이 부분적으로 노치된 형상을 가진 노즐을 사용하여 제조될 수 있다.
Patent KR-20010033453-A (KR)
Title: 비스무트를 함유한 모노기능성 개질 촉매
IPC: B01J29/62
Filed: 1998-11-06
Abstract: VIII족 금속, 소량의 비스무트 및 제올라이트 L을 함유한 촉매를 사용한 촉매개질방법이 개시되어 있다. 촉매는 비-산성, 모노기능성 개질촉매이다. 바람직하게는 촉매는 하나이상의 할로겐을 포함한다. 바람직하게는, 원료는 C 8 탄화수소를 함유한다. 소량의 비스무트 첨가는 촉매 안정성을 증가시키거나 또는 실질적으로 유지시킨다. 방향족화합물, 특히 파라크실렌과 같은 크실렌을 생성하는 개질반응에 있어서 촉매를 사용하여 현저히 낮은 탈알킬화율을 달성하였다.
Patent KR-20010033715-A (KR)
Title: 전자 메시지의 용어를 프로그램 정보에 링크하기 위한방법 및 인터페이스
IPC: H04N21/858
Filed: 1999-01-08
Abstract: 전자 메시지의 용어(terms)를 전자 프로그램 가이드(EPG: Electronic Program Guide)의 프로그램 정보에 링크하기 위한 방법 및 인터페이스가 제공된다. 상기 방법은, 용어 비교의 단계에 기초하여 프로그램 정보에서 부합하는 전자 메시지의 임의의 용어가 부합하지 않는 용어와 구별가능하도록, 전자 메시지를 수신하는 단계와, 전자 메시지의 용어를 EPG의 프로그램 정보의 용어와 비교하는 단계, 및 전자 메시지를 디스플레이하는 단계를 포함한다. 전자 메시지 인터페이스는 수신기, 비교 유닛, 및 디스플레이 장치를 포함한다. 수신기는 전자 메시지를 수신하는데 적합하다. 비교 유닛은 수신기에 관련되고, 전자 메시지의 용어를 EPG의 프로그램 정보의 용어와 비교하는데 적합하다. 디스플레이 장치는, 용어 비교에 기초하여 프로그램 정보에서 부합하는 전자 메시지의 임의의 용어가 부합하지 않는 용어와 구별가능하도록, 비교 유닛에 적어도 간접적으로 연결되고, 전자 메시지를 디스플레이하는데 적합하다.
Patent KR-20010034060-A (KR)
Title: 은폐된 역반사 패턴을 갖는 반사 제품
IPC: G02B5/26
Filed: 1998-12-10
Abstract: 패턴화된 역반사층을 덮는 다층 필름을 갖는 반사 제품이 개시되어 있다.  하나의 실시태양에서, 패턴화된 역반사층은 역반사 기재를 덮는 개별적인 표시자층을 포함한다.  표시자층은 보통의 관측 조건하에서는 실질적으로 숨겨져 있으나, 역반사 조명 조건하에서는 용이하게 관측될 수 있다.  다양한 유형의 역반사층이 개시되어 있다.  상기 제품은 또한 주변 조명하에서 할로그래픽 이미지를 내지만, 역반사 조건하에서는 사라지는 미세구조화 부조 패턴을 포함한다. 다층 필름은 적어도 제1 및 제2 중합체의 교대층을 포함하고, 대략 가시 스펙트럼과 동연상에 있는 제1 스펙트럼 범위내에서 수직 입사광에 대해 비교적 높은 반사율을 갖고, 제2 스펙트럼 범위내에서는 수직 입사광에 대해 비교적 낮은 반사율을 갖는다.  제2 스펙트럼 범위는 가시 스펙트럼에서 적어도 부분적으로 위치하는 15% 이하의 분획 띠폭의 투과 창을 포함할 수 있다.  필름 구조물은 종래에 얻얼 수 있었던 것보다 더 날카로운 스펙트럼 변이를 달성하는 것으로 개시되어 있다.  필름 구조물은 또한 높은 유입(경사)각에서도 이러한 날카로운 변이를 보존하는 것으로 개시되어 있다.
Patent KR-20010042482-A (KR)
Title: Ｍｒｐ1의 억제 방법
IPC: C07D498/04
Filed: 1999-04-07
Abstract: 본 발명은 내성이 부분적으로 또는 전적으로 MRP1에 의해 부여되는 내성 종양의 억제에 유용한 화학식 I의 화합물에 관한 것이다. 
     〈화학식 I〉
Patent KR-20010043443-A (KR)
Title: 지폐 처리 장치 및 그 제어 방법
IPC: G07D11/00
Filed: 2000-03-07
Abstract: 본 발명은 스택 드럼에 연동하는 캐리어 스위치의 상태를 캐리어 SW 검출부(1)에서 검출하고, 그 검출 결과에 따라 시간 계측부(4)가 스택 드럼이 소정의 위치까지 회전하는 데 걸리는 시간을 계측하고, 타이머 값 산출부(3)가 계측한 시간에 따라 스택 모터를 정지하는 시간을 산출한다.
Patent KR-20010043988-A (KR)
IPC: A23L5/20
Filed: 1999-06-23
Abstract: The present invention relates to a method of producing a heterologous protein or polypeptide having phytase activity in a yeast system. The invention also provides proteins having phytase activity which have increased thermostability. Yeast strains which produce a heterologous phytase and the vectors used to produce the phytase are also provided.
Patent KR-20020061223-A (KR)
Title: semiconductor package and manufacturing method the same
Inventor: BAEK JONG SIK
IPC: H01L23/28
Filed: 2001-01-15
Abstract: PURPOSE: A semiconductor package and a manufacturing method thereof are provided to furnish a slim structure as well as to shorten a length of a signal line connecting a semiconductor chip and a lead frame. CONSTITUTION: The semiconductor package comprises a CCD(Charge Coupled Device) chip(110) having a via hole penetrating a bonding pad(113), a lead frame(130) having a chip mounting part(132) at one inner side part of each lead(131) and a glass mounting part(133) to one outer side part of each lead, a connection tool connecting the CCD chip and the lead frame electrically, the adhesives(160) coated to the girth of the glass mounting part of each lead and the end part of the CCD chip, a transparent glass(170) joining to the lead frame and the CCD chip, and a molding compound(180) protecting the CCD chip from the outside.
Patent KR-20010078088-A (KR)
Title: Methods for renaming stack references in a computer processing system
Inventor: GUSHUINDO MICHAEL K
IPC: G06F12/00
Filed: 2001-01-26
Abstract: PURPOSE: To provide a method for renaming memory reference to a stack place in a computer processing system. CONSTITUTION: This method includes a step for detecting stack reference using an architecturally defined stack access method and a step for replacing the stack reference with reference to a register in a processor. The architecturally defined stack access method includes a memory access using one of a stack pointer and a frame pointer and an argument pointer. Moreover, the architecturally defined stack access method includes a push, pop, and the other stack operation.
Patent KR-20010078289-A (KR)
Title: Process for producing a semiconductor wafer with polished edge
Inventor: HEIER GERHARD
IPC: B24B37/08
Filed: 2001-02-02
Abstract: PURPOSE: A manufacturing method of a semiconductor wafer is provided to polish both surfaces of the semiconductor wafer and to have front and back surfaces and a polished edge. CONSTITUTION: The edge of the semiconductor wafer is polished with polishing cloth. The both surfaces of the semiconductor wafer are simultaneously polished. The both surfaces and the edge of the semiconductor wafer are entirely wetted with a liquid film immediately after the both surfaces of the semiconductor wafer are simultaneously polished. Then the semiconductor wafer is cleaned and dried.
Patent KR-20010044318-A (KR)
Inventor: KANG KYU SOO
IPC: A47C7/36
Filed: 2001-02-06
Abstract: PURPOSE: A comfortable chair for a backbone is provided to regain spinal health by supporting the natural curved state of a backbone, neck bone and hipbone. CONSTITUTION: A comfortable chair for a backbone comprises leftward and rightward backbone back plates(10) of a curved structure to support the curvature of the backbone and hipbone, a vertical backing(30) supporting the leftward and rightward backbone back plates, a horizontal backing(40) at the center of the vertical backing, an end plate attached to the top end of the horizontal backing to support the neck bone, and a support plate(60) having the elastic force of the vertical backing at the lower end of a chair seat(70).
Patent KR-20010082070-A (KR)
Title: Vehicular brake control apparatus
Inventor: SHIMIZU SATOSHI
IPC: B60T8/26
Filed: 2001-02-08
Abstract: PURPOSE: To provide a braking control device allowing a driver to feels no sense of incompatibility in the braking operation while maintaining the brake performance and the stability of the vehicle. CONSTITUTION: The braking force applied to rear wheels of the vehicle when the vehicle is in a predetermined operational made is limited compared with other cases (Step S4), and when the driver judges that the braking quantity is increased during the control of the braking force (transfer from Step S5 to Step S6), the braking force applied to the rear wheels is increased (Step S6).
Patent KR-20010044385-A (KR)
Inventor: KIM HYO WON
IPC: G06F17/00
Filed: 2001-02-15
Abstract: PURPOSE: A system, a method and a record medium for personal information exchange are provided to exchange personal information on a web site without change of a system itself by executing synchronization to the personal information. CONSTITUTION: A P-client(310) comprises a P-client network management part(316) so as a message is transmitted through a network. A P-client message executing part(313) comprises a P-client message analyzing part(313a) so as to generate a message utilizing a command and data according to requested operation performed with a PSS(PITP(Personal Information Transfer Protocol) Site Server program) server(120) or to divide a transmitted message into a command and data. A PSS(PITP Site Server program) network management part(321) controls message to be transmitted through the network. A PSS message executing part(323) comprises a PSS message analyzing part (323a) and a command processing part(323b) so as to analyze an operation to be performed with the P-client(310), collects necessary information, executes the operation, converts the result of the operation into a message and provides the message. A data manager(325) manages a mode designated by a web site manager so as to link information transmitted through the network with a DB(Data Base) installed in the server(120). A DB link part(324) performs DB operation according to a mode designated by the web site manager regardless of DB type installed in the server(120).
Patent KR-20020005374-A (KR)
Title: Portable Case for Audio Mix
Inventor: HANS-PETER WILFER
IPC: H05K5/02
Filed: 2001-02-16
Abstract: PURPOSE: A portable container for receiving a sound or light mixing console is provided to facilitate the installation and dismantlement thereof in the place of event. CONSTITUTION: The portable container, which is used to transport a sound or light mixing console, is formed around frame elements(30). The portable container opens up to provide access through the front side, the rear side, and the top. Access is provided by a hinged lid(18) and flap down front and back lids(24,25). Carrying straps(20) are provided on the sides.
Patent KR-20020067380-A (KR)
Title: Method for programming a nand-type flash memory
Inventor: CHOI JEONG HYEOK
IPC: G11C16/12
Filed: 2001-02-16
Abstract: PURPOSE: A programming method for NAND-type flash memory is provided to improve the reliability of program operation by forming predetermined channel voltage necessary to a disturbance apparatus for program even if the state of memories prevented from being programmed are different. CONSTITUTION: A NAND flash memory includes a plurality of bit lines, a plurality of word lines, and a plurality of memory cell strings which consist of a plurality of memory cells connected in series between a string selection transistor and a ground connection transistor. A first process permits a first voltage into a non-selected word line. A second process permits a bit line voltage into a non-selected bit line. A third process permits a second voltage into the non-selected word line and permits a third voltage into a selected word line.
Patent KR-20010082734-A (KR)
Inventor: CHIKAMOTO TAKUYA
IPC: C08G65/26
Filed: 2001-02-17
Abstract: PURPOSE: Provided are a microcellular polyurethane elastomer for a shoe sole and a method of producing the same. The microcellular polyurethane elastomer has fine cells uniformly dispersed in a formed body, and is characterized by its forming density lower than that of a solid type polyurethane elastomer but higher than that of a flexible polyurethane foam. CONSTITUTION: The microcellular polyurethane elastomer has (1) an overall density (D) of 100 kg/m¬3 or more but 900 kg/m¬3 or less, and (2) overall density (D) and compression set (CS2, unit: %) satisfying a relationship shown by the following equation (1) of CS2 <= 0.00008*D2 - 0.091*D + 42 and has overall density (D) and average cell diameter (X, unit: mu m) observed on a skin surface satisfying a relationship shown by the following equation (2) of X <= 120e(-0.0015).
Patent KR-20020068133-A (KR)
Title: Method for Removing Sludges in A Crude Oil Tank and Recovering Oil Therefrom
Inventor: CHOI CHANG HYO
IPC: C10G1/00
Filed: 2001-02-20
Abstract: PURPOSE: A removing method of sludge in crude oil tank and recovering method of oil residue is provided, which can minimize air contamination caused by opening tank for a long time by conducting oil recovery work at a closed system and can reduce drastically cleaning time of tank. The method also has a merit to clean tank continuously and to use high temperature heating medium generated from oil refinery to remove sludge, thus enhancing economical profits. The recovered oil is used as feed of secondary treatment process. CONSTITUTION: The removing and recovering method comprises the following steps: (i) feed to sludge heating medium that is selected from a group consists of atmospheric residue oil, reduced pressure residue oil and reduced gas oil at a volume ratio of 3: 1-20: 1 to sludge accumulated in crude oil tank; (ii) melt the sludge mixed with the heating medium by agitating to a point at which the whole temperature of the mixture reveal a uniform distribution; (iii) settle the foreign matter from the heating medium and sludge in the tank or an additional tank; and (iv) recover the recovered oil from the mixture of heating medium and sludge.
Patent KR-20020068885-A (KR)
Title: Blue emitting phosphor composition and cathod-ray tube manufactured using the same
Inventor: HUH GYEONG JAE
IPC: C09K11/64
Filed: 2001-02-23
Abstract: PURPOSE: A blue light emitting fluorescent substance composition and a cathode ray tube prepared by using the composition are provided, to improve the brightness properties and the brightness saturation properties compared to the single blue fluorescent substance represented by ZnS:Ag,Al. CONSTITUTION: The blue light emitting fluorescent substance composition comprises 90-99 wt% of a fluorescent substance represented by ZnS:Ag,Al; and 1-10 wt% of a fluorescent substance represented by Y2SiO5:Tb. Preferably the color purity of Y2SiO5:Tb fluorescent substance is x=0.340-0.360 and y<=0.52. The surface of the Y2SiO5:Tb fluorescent substance is coated with 1-10 wt% of a blue pigment based on the weight of Y2SiO5:Tb, wherein the color purity is x=0.180-0.250 and y=0.250-0.500.