baber/WOPTO huggingface dataset:
Patent KR-20010108050-A (KR)
IPC: C07D249/06
Filed: 1999-12-24
Abstract: 아래의 일반식 (1)로 나타내어지는, 농약, 특히 살충제 및 살진드기제로 유용한 아크릴로니트릴 화합물. 
     
       
     
     위의 식에서 R은 C 1 ∼C 6 알킬, C 1 ∼C 4 알킬로 치환되어 있어도 좋은 C 3 ∼C 7 시클로알킬, 나프틸 등이고; R 1 은 H, 할로겐, C 1 ∼C 6 알킬 등이며; A는 N, O 및 S 중에서 선택되는 2개의 헤테로 원자를 함유하는 특정의 5원 방향족 헤테로환 등이고; B는 H, C 1 ∼C 4 알킬, C 2 ∼C 4 알콕시알킬 등이다.
Patent KR-20010101832-A (KR)
Title: Arrangement at a portable electric apparatus
IPC: H05K5/02
Filed: 1999-12-13
Abstract: Arrangement at a portable electric apparatus having a main unit containing electronic equipment, and a power source unit. The arrangement is designed to allow ventilation of gaseous media in both directions inside and out from the main unit and from the main unit and from the power source unit due to changes in ambient temperature. One or more channels are provided for ventilating gasesous media in a controlled fashion via vent orifices in one or both units.
Patent KR-20010109336-A (KR)
IPC: G06F12/02
Filed: 2000-03-10
Abstract: 비휘발성 메모리내의 경계를 이동하는 방법이 기재되어 있다. 이 방법은 비휘발성 메모리내의 경계 위치를 식별하는 단계를 포함한다. 경계 위치는 제1 타입의 제1 블록과 제2 타입의 제2 블록 사이의 위치를 포함한다. 이 방법은 또한 제1 타입의 최종 블록으로부터 제1 타입의 제2 블록으로 객체를 할당하는 단계를 포함한다. 또한, 이 방법은 제1 타입의 최종 블록을 소거하는 단계를 포함한다.
Patent KR-20020024597-A (KR)
IPC: F28F3/08
Filed: 2000-06-02
Abstract: 최소한의 툴링(tooling)으로 어떤 크기로도 편리하게 제작할 수 있는 판(plate) 및 핀(fin)형태의 열교환기에 관한 것이다. 본 발명의 열교환기는 2매 1조의 복수의 적층 판 대우로 형성되어 있으며(20), 유체 통로(54)를 판 대우 내부로 한정(define)시키기 위한,  접어 올린 측변 부분들을 (peripheral edge portio- ns) (50,52)을 가지고 있다. 상기 판 대우들의 각 판(44,46)에는 완만한 단을 이루며(formed with offset), 분기(diverging)하는 종단(縱端=end) 플랜지(56, 68) 부분이 있어, 각 판 대우들 사이를 띄워 놓는다. U자형의 유동통로(26,28)가 판의 종단 플랜지를 감싸면서 그 곳에 매니폴드(26, 28)를 형성하게 된다. 끝 쪽의 캡(cap) 또는 판(36,40)이 U자형 유동 통로의 열려있는 양 끝을 막으면서 매니폴드의 모양이 완성되며, 유입구와 유출구)(30,32)를 원하는 바에 따라 매니폴드에 마련하면 열교환기가 완성된다.
Patent KR-20020033634-A (KR)
Title: 저주파수 백내장 분쇄 디바이스
IPC: A61F9/007
Filed: 2001-04-03
Abstract: 기계적 절결 엘리먼트에 연결된 트랜스듀서에 구동신호를 제공하는 제어회로.  트랜스듀서는 공진 모드로 동작할 수 있다.  다수의 펄스를 포함하는 구동신호눈 트랜스듀서가 공진 모드에서 동작하지 않게 하는 시간 간격으로 제공된다.
Patent KR-20020060074-A (KR)
IPC: A23C20/00
Filed: 2000-09-27
Abstract: 식품원료 및 그 제조방법, 치즈류 식품 및 그 제조방법을 제공한다. 
     가공된 치즈류 식품을 적어도 120℃의 온도에서 가열용융처리하여 식품원료로서 취득하는 것을 특징으로 한다.
Patent KR-20020023965-A (KR)
IPC: C07C255/52
Filed: 1999-09-10
Abstract: 일반식(I) 
     
       
     
     로 표기되는 테트라하이드로나프탈렌 유도체와 그것을 함유하는 액정 조성물.  일반식(I)의 화합물은 액정성 및 현재 범용인 액정 화합물 또는 조성물과의 상용성이 우수하다.  또, 그것의 첨가에 의해 응답성을 거의 악화시키지 않고 역치 전압을 크게 저감시키는 것이 가능하다.  또한, 공업적으로도 제조가 용이하며, 무색이고 화학적으로도 안정하다.  따라서, 이것을 함유하는 액정 조성물은 실용적 액정으로서, 특히 온도 범위가 넓고 저전압 구동과 고속 응답을 필요로 하는 액정 표시용으로서 매우 유용하다.
Patent KR-20020021147-A (KR)
IPC: B60T17/02
Filed: 2000-06-21
Abstract: 본 발명은 펌프 보어 (3) 와 일체화된 노이즈 댐핑실 (6) 을 포함하는 미끄럼 방지 브레이크 장치에 관한 것으로서,  브레이크 압력 생성기 포트 (THZ) 와 노이즈 댐핑실 (6) 사이를 펌프 보어 (3) 내로 반경방향으로 또는 접선방향으로 개방되는 압력유체채널 (3') 을 통해 유압적으로 연결되며, 입구밸브를 수용하는 수용부재 (1) 의 제 1 밸브열 (X) 의 밸브 수용 보어 (2) 로 연결된다.
Patent KR-20030065047-A (KR)
Title: Multi-channel A/D converter and system therewith
Inventor: AHN YEONG JUN
IPC: H03M1/12
Filed: 2002-01-29
Abstract: PURPOSE: A multichannel A/D converter and a system thereof are provided to change a channel selection order and sampling frequencies without correcting hardware, and reduce time delay. CONSTITUTION: A programmable memory(10) has a frame table wherein a channel selection order and sampling frequencies are recorded. A channel selecting unit(20) selects a channel according to the channel selection order recorded in the programmable memory. The channel selecting unit includes a synchronous signal generator generating a synchronous signal, and a channel selection controller outputting a channel selecting signal by referring the channel selection order. A converting unit(30) converts an analog signal of the selected channel into digital data. The converting unit includes a multiplexer receives corresponding analog signals of a plurality of channels for outputting the analog signal of the corresponding channel based on the channel selecting signal, and an A/D(Analog to Digital) converter converts the analog signal to digital data.
Patent KR-20030065152-A (KR)
Title: Cap sealing method of field emission display and fabricating method thereof
Inventor: YOON SANG JO
IPC: H01J9/385
Filed: 2002-01-31
Abstract: PURPOSE: A cap sealing method and a method for manufacturing a cap are provided to prevent an oxidation of an emitter by permitting the cap to be sealed in a vacuum process. CONSTITUTION: A cap sealing method comprises the steps of forming a cap(136) covering a hole(132) formed at a lower substrate(130) and which has a bottom surface deposited with a sealant(138); disposing a panel in a vacuum chamber(142); permitting the panel to have a vacuum inside by evacuating air from the vacuum chamber; disposing the cap on the hole; and solidifying the sealant by scanning a laser beam onto the cap. The cap is made of a material same as the materials of an upper substrate(140) and the lower substrate, or a material having a coefficient of thermal expansion with small differences from the coefficients of thermal expansion of the upper and lower substrates, to thereby prevent damages of the upper and lower substrates during scanning of laser beam.
Patent KR-20020066207-A (KR)
Inventor: MATSUSHITA ATSUSHI
IPC: B65G49/00
Filed: 2002-02-08
Abstract: PURPOSE: To prevent plasma generation in a waiting chamber of a treatment apparatus including a load lock chamber. CONSTITUTION: A pressure in the waiting chamber 2 and a treatment chamber 3 are lowered to several Pas(Pascals), an untreated substrate is put in the treatment chamber 3 by raising a mounting table 22, and the bottom opening of the treatment chamber 3 is hermetically closed by the mounting table 22. Whereafter a nitrogen gas is introduced into the waiting chamber 2 through a pipe 21 to increase a pressure in the waiting chamber to 200 to 3000 Pas, and in parallel with this, gas for ashing is introduced into the treatment chamber 3. A pressure in the treatment chamber 3 resultingly becomes in the range of 100 Pas. A high frequency is applied to an electrode of the treatment chamber 3 in this state to generate plasma in the treatment chamber 3, conducting, ashing treatment to the substrate W.
Patent KR-20030068803-A (KR)
Title: Rhodococcus sp. strain DK17 with metabolic versatility to degrade a wide variety of substituted benzenes and terpenes
Inventor: KIM DEOK GYU
IPC: C12N1/20
Filed: 2002-02-18
Abstract: PURPOSE: A microorganism Rhodococcus sp. strain DK17 with metabolic versatility to degrade a wide variety of substituted benzenes and terpenes is provided, thereby effectively purifying the polluted environment without causing the second environmental pollution. CONSTITUTION: A microorganism Rhodococcus sp. strain DK17(KCCM 10332) has the activity to degrade alkyl benzenes, phenols, phthalates or terpenes, wherein the alkyl benzene compound is selected from the group consisting of o-xylene, ethylbenzene, isopropylbenzene, propylbenzene, butylbenzene, pentylbenzene, hexylbenzene, toluene and benzene; the phenol compound is selected from the group consisting of phenol, o-cresol, m-cresol and p-cresol; and the phthalate compound is selected from the group consisting of phthalate or terephthalate; the terpene compound is limonene. 2,4-dimethylresorcinol, 2,5-dimethylhydroquinone or 3,4-dichlorocatechol is prepared by culturing Rhodococcus sp. DK17(KCCM 10332) together with m-xylene, p-xylene or 1,2-dichlorobenzene.
Patent KR-20030071077-A (KR)
Title: Microbacterium sp. PA5(KCTC 10172BP) capable of degrading lignin
Inventor: JUNG SANG UK
IPC: C12N1/20
Filed: 2002-02-27
Abstract: PURPOSE: A microorganism Microbacterium sp. PA5(KCTC 10172BP) capable of degrading lignin is provided, thereby effectively purifying organic waste water. CONSTITUTION: A microorganism Microbacterium sp. PA5(KCTC 10172BP) capable of degrading lignin or derivatives thereof is provided, wherein the derivative of lignin is selected from vanillin, phenol, protocatechuic acid, syringic acid, vanillic acid, syringaldehyde, salicylic acid and 2,4-dinitrotoluene; and Microbacterium sp. PA5(KCTC 10172BP) is isolated by the steps of: collecting samples from the soil; culturing the soil samples on plate counting agar at 30 deg. C for 48 hours to isolate 20 strains; inoculating 20 strains in a nutrient medium containing vanillin cophenyl alcohol and culturing them at 30 deg. C for 48 hours to select 8 strains showing good growth activity; and culturing 8 strains in organic waste water containing vanillin cophenyl alcohol to select one strain showing the excellent growth activity and vanillin cophenyl alcohol decomposing activity.
Patent KR-20030073520-A (KR)
Title: Medicine composition for protecting grave corpse
Inventor: SHIN BYUNG CHUL
IPC: A01N1/00
Filed: 2002-03-12
Abstract: PURPOSE: A drug composition for protecting a burial vault of a grave from plant roots, reptiles, insects, wild animals, water or the like is provided which has an effect of safely protecting the dead body without damage thereof for a long period of time. CONSTITUTION: A drug composition for protecting a burial vault of a grave comprises 25 to 40 parts by weight of a powdery water-proofing agent, 20 to 35 parts by weight of anhydrous gypsum, 5 to 10 parts by weight of lightweight material and 3 to 8 parts by weight of alum.
Patent KR-20020077278-A (KR)
Inventor: YAMADA TSUTOMU
IPC: H01L21/336
Filed: 2002-03-30
Abstract: PURPOSE: To optimize making of a polycrystal by laser annealing. CONSTITUTION: A driver-containing active matrix type display device or the like comprises a metal layer 32 formed on a partial region on a transparent substrate, and a buffer layer 11 provided to cove any of the metal layer 32 forming region and a metal layer 32 non-forming region. In this case, even on the layer 11, a first polycrystal silicon film is disposed on the metal layer forming region, and a second polycrystal silicon film is formed on the non- forming region. The layer 11 has sufficient film thickness and thermal capacity, an increased interlayer distance between the active layer and the lower metal layer is increased, and hence a heat leakage of the metal layer can be relieved. Thus, first and second polycrystal silicon films having suitable grain sizes can be obtained by laser annealing by setting an amorphous silicon film formed on the layer 11 to the same conditions.
Patent KR-20030082302-A (KR)
Title: Pneumatic tire with net in tread groove
Inventor: SHIN GWAN HUN
IPC: B60C11/12
Filed: 2002-04-17
Abstract: PURPOSE: A pneumatic tire with a reticular layer in a tread groove is provided to increase braking force during traveling on a snowy road, a frozen road or a wet road by forming the reticular layer in the tire tread groove. CONSTITUTION: In a pneumatic tire, a reticular layer(4) is formed in a groove(2) of a tire tread portion(1). The reticular layer is made of material among steel, polyester fiber, nylon, or aramid fiber, and protruded up 1-2 mm on the tread portion of the tire. The reticular layer is formed by inserting 1-2 mm to the tread groove of the tire. The diameter of a string of the reticular layer is 0.1-1.2 mm, and 2-20 nets are arranged within the length of 1 cm of the reticular layer. Traction is improved during traveling on the icy road or the wet road.
Patent KR-20030083450-A (KR)
Title: A method of Changing rate and Omitting patterns in Instant Learning with artificial neural network electronic device
Inventor: LEE TAE SEUNG
IPC: G06F15/18
Filed: 2002-04-23
Abstract: PURPOSE: A learning rate changing and learning omitting method is provided to use rich redundancies of pattern recognition data in applying an online EBP(Error Back Propagation) of an MLP(Multi Layer Perceptron) to a pattern recognition and to change a learning rate for each pattern of the electronic product in preceeding a learning so that it can enhance a learning speed. CONSTITUTION: The method comprises several steps. An upper limit of a learning rate is obtained via an experiment. The range of an output neuron is limited from 0 to the obtained upper limit. The limited value is also limited by an average error for a prior epoch in which all the learning data is offered. The EBP and internal variable updating process is omitted.
Patent KR-20020048343-A (KR)
Inventor: HONG SEONG HO
IPC: A01K63/04
Filed: 2002-05-15
Abstract: PURPOSE: An apparatus for removing ammoniacal nitrogen and sterilizing bacteria in seawater effectively in a filtration and recirculation type fish farm is provided. It has an excellent sterilization effect against Escherichia coli and common bacteria and needs no additional sterilizers such as ozonizer. CONSTITUTION: A seawater circulation part(20) comprises a filter(22) for filtering and forcedly circulating seawater discharged through a discharge hole(11) in a fish farm tank(10) and a metering pump. Seawater supplied from the seawater circulation part is introduced into an electrolytic cell(30) to remove ammoniacal nitrogen and sterilize bacteria in seawater. The apparatus also contains an active carbon absorption tower(60) for removing unreacted residual chlorine of the effluent and a DC power source supply apparatus(50).
Patent KR-20030089746-A (KR)
Title: Hydrogen barrier and method for fabricating semiconductor device having the same
Inventor: YOON DONG SU
IPC: H01L21/02
Filed: 2002-05-18
Abstract: PURPOSE: A hydrogen barrier layer and a method for manufacturing a semiconductor device with the same are provided to be capable of preventing the diffusion of hydrogen into a capacitor by using an AlTiO layer as the hydrogen barrier layer. CONSTITUTION: A capacitor is formed on a semiconductor substrate(21) having a transistor. The first hydrogen barrier layer(32) made of AlTiO is formed on the capacitor. A metal interconnection(35) is formed so as to connect the capacitor and the transistor. The second hydrogen barrier layer(36) made of AlTiO is formed on the metal interconnection(35). Then, a passivation layer is formed on the second hydrogen barrier layer.
Patent KR-20030092597-A (KR)
Title: Antenna for receiving radio broadcasting of satellite
Inventor: LEE SEONG CHEOL
IPC: H01Q3/26
Filed: 2002-05-30
Abstract: PURPOSE: An antenna for receiving a satellite radio broadcasting is provided to improve the receive sensitivity by simultaneously receiving right and left polarized waves using a LAN(Local Area Network) circuit. CONSTITUTION: An isosceles triangle shaped patch plate(200) receives a satellite signal. A reflecting plate(400) is installed on a lower portion of the isosceles triangle shaped patch plate(200) by being separated at predetermined intervals. A LAN circuit unit(600) is fixed on a lower surface of the reflecting plate(400) to receive and process simultaneously right and left polarized waves so as to receive and process a received satellite signal at a tuner. A feeding line is connected to a predetermined part of the isosceles triangle shaped patch plate(200) and penetrates the reflecting plate(400) to be connected to the LAN circuit unit(600).
Patent KR-20030093661-A (KR)
Title: Composition of hair growth accelerant and the method of marking it.
Inventor: HWANG IN MYUNG
IPC: A61Q7/00
Filed: 2002-06-04
Abstract: PURPOSE: A hair growth-promoting agent comprising extracts of 9 kinds of medicinal plants capable of maintaining the scalp and hair healthy is provided. Therefore, it reduces hair loss, dandruff and the inflammation of the scalp while promoting the growth of hair roots of dropped hair. CONSTITUTION: A hair growth-promoting agent contains 1 to 2 parts by weight of a mixed extract of wormwood(Artemisia princeps Pampan.), Paeoniae Radix, Rehmanniae Radix Preparata and Angelicae Gigantis Radix, 25 to 35% by weight of an extract of Acori Graminei Rhizoma, Astragali Radix and Ginkgo biloba leaves, 10 to 20 parts by weight of an extract of mulberry leaves and 20 to 30% by weight of an extract of Ginseng Radix leaves. The agent promotes blood circulation of the scalp, prevents hair loss and promotes the hair growth.
Patent KR-20030095877-A (KR)
Title: Hollow Fiber Membrane Module Manufacture Device and Manufacture Method
Inventor: JUNG JIN HYE
IPC: B01D69/08
Filed: 2002-06-15
Abstract: PURPOSE: An apparatus and a method for manufacturing a hollow fiber membrane module are provided to improve strength of the hollow fiber membrane, extend service life of the hollow fiber membrane, obtain merits of double filtration, continuously maintain filtering function even when outer filtering layer is peeled off and obtain cost reduction effect. CONSTITUTION: The apparatus comprises a hollow pipe(10) vertically formed; a weaving part(20) which is positioned on an upper part of the hollow pipe(10), and at which a loom(21) is installed; weaving cones(30) at least three or more of which are radially positioned on an upper surface of the loom(21), and on which solid yarn(31) is wound; and a spinneret(40) oppositely directed to the weaving part(20) and installed at a lower part of the hollow pipe(10), wherein the hollow pipe(10) comprises an inner coating solution inlet(11) formed at one end of an upper part of the hollow pipe(10), and spinning undiluted solution discharge holes circumferentially formed on a lower part of the hollow pipe(10) correspondingly to the inner coating solution inlet(11), and wherein the spinneret(40) comprises an inserting part(41) formed in such a way that the hollow pipe(10) is penetrated into the inserting part(41), a space part(43) connected to the inserting part(41) and formed inside the spinneret(40), and an outer coating solution inlet(45) connected to the space part(43) and formed on an outer part of the spinneret(40).
Patent KR-20030096963-A (KR)
Title: In-line FPD AOI having display panel conveyer using a stage type
Inventor: HA EUNG JU
IPC: H01J9/48
Filed: 2002-06-18
Abstract: PURPOSE: An in-line test equipment is provided to achieve improved accuracy of test by preventing the display panel from being deviated during scanning, while significantly reducing the test time. CONSTITUTION: An in-line test equipment comprises a transfer device, wherein the transfer device includes a guide unit having first and second guide blocks(114a,114b) opposed to each other on a scan section, a review section and an unloading section, a fixed member(120) extended from the end of the scan section to the end of the review section, and first and second movable members(122a,122b) being transferred along the fixed member; and a clamping unit(130) having a first stage(132a) arranged above the first and second movable members and which vacuum-adsorbs the display panel and reciprocates in the scan section, and a second stage(132b) which vacuum-adsorbs the display panel, reciprocates in the review section and transfers the display panel to the unloading section.
Patent KR-20040001366-A (KR)
Title: Method for Polishing a Surface of Chrome Oxygen Passivation
Inventor: KANG DU HONG
IPC: C25F3/24
Filed: 2002-06-27
Abstract: PURPOSE: A method for forming a chrome oxide passivation (COP) film is provided to prevent pitting corrosion due to the gas and form uniformed chrome oxide passivation film by inducing distribution of constant current as controlling an amount of gas generated by impressing electrolyte and power supply to the surface of semiconductor or stainless steel using the electrolyte. CONSTITUTION: The method comprises the steps of setting respective parameters based on indication values detected from the manometer(242), flow meter(244) and temperature sensor(248) in the control box(210); supplying a power supply to the jigs(230) from the rectifier(220); performing COP (chrome oxide passivation) treatment on a product by the jigs using a power supply supplied from the rectifier and an electrolyte supplied from the manifold(240); reading the indication values detected from the manometer, flow meter and temperature sensor in the control box; and controlling a supply quantity of the electrolyte transferred to the jigs by controlling the flow rate control valve based on the detected indication values in the control box.
Patent KR-20040003668-A (KR)
Title: A alkaloide-based compound having potent inhibiting activity for platelet aggregation
Inventor: HUH TAE RIN
IPC: A61P7/02
Filed: 2002-07-03
Abstract: PURPOSE: Provided is a piperidine or pyridone alkaloid-based compound which is effectively used in preventing and treating cerebrovascular and cardiovascular diseases with excellent platelet-aggregation inhibiting activity. CONSTITUTION: A piperidine or pyridone alkaloid-based compound is derived from the fruits of pepper family(Piperaceae) selected from the group consisting of Piper retrofrctum Vahl., Piper amalago Linn., Piper chaba, Piper brachystachyum Wall., Piper futokadsura Sieb. et Zucc., Piper guineense Schum., and Piper falconeri. The alkaloid-based compound is selected from the group consisting of piperine, pipernonaline, piperettine, pipereoctadecalidine, piperlongumine, and substituted derivatives thereof.
Patent KR-20040004825-A (KR)
Title: 3 Dimensional Shape Measuring Device Using Acoustic-Optic Tunable Filter
Inventor: KIM DAE SEOK
IPC: G02F1/11
Filed: 2002-07-05
Abstract: PURPOSE: An apparatus for measuring a three-dimensional shape of a transparent thin film using an acoustic optics tunable filter is provided to independently extract thickness information and shape information about a multi-level structure. CONSTITUTION: An apparatus for measuring a three-dimensional shape of a transparent thin film includes a light source(10) for emitting monochromatic rays, the first and second beam splitters(20,32), a Michelson interferometer module(30), an acoustic optics tunable filter, a CCD sensor(70). The second beam splitter splits the monochromatic rays emitted from the light source to send a part of the rays to a reference plane(33) and send another part of the rays to a measurement unit(80). The Michelson interferometer module includes a block plate(34) that selectively blocks irradiation of the monochromatic rays on the reference plane. The acoustic optics tunable filter selects monochromatic rays of a specific wavelength band from monochromatic rays irradiated on the filter. The first beam splitter allows reflection and transmission of the monochromatic rays among the light source, the second beam splitter and the acoustic optics tunable filter to be sequentially carried out. The CCD sensor forms an image from the monochromatic rays.
Patent KR-20040003954-A (KR)
Title: Battery steal prevent apparatus and method for mobile communication terminal
Inventor: JANG SEONG GYEONG
IPC: H04B1/40
Filed: 2002-07-05
Abstract: PURPOSE: A battery burglarproof device for a mobile communication terminal and a method therefor are provided to authenticate a user and prevent the unlawful use of a battery by inputting user information in a battery and comparing input information with user information of the mobile communication terminal. CONSTITUTION: An interface unit(50) interfaces user information inputted from a terminal. A flash ROM(60) stores user information inputted through the interface unit(50). If a battery pack is mounted on the terminal, a comparing unit(70) compares user information stored in the flash ROM(60) with user information of the terminal. A power blocking unit(80) blocks or connects the power of a battery(90) as a result of the comparison of the comparing unit(70).
Patent KR-20040006082-A (KR)
Title: Composition for Activation of Bleaching Ability containing Benzendiol as a Leaving Group and Bleaching Composition comprising the same
Inventor: CHOI HEUNG JIN
IPC: C07C69/773
Filed: 2002-07-09
Abstract: PURPOSE: A bleaching activator compound is provided to produce a bleaching agent composition having excellent storage stability, bleaching performance, washing power and sterilizing property. CONSTITUTION: The bleaching activator compound having a benzenediol leaving group is represented by the general formula 1, wherein each of R1s is independently selected from the group consisting of hydrogen, chlorine, bromine, OH and a C1-C20 alkyl group, and L is a benzenediol leaving group. In addition, the oxygen-based bleaching agent composition comprises an inorganic peroxide and 0.01-15 wt% of the bleaching activator compound based on the total weight of the composition.