baber/WOPTO huggingface dataset:
Patent KR-20100047715-A (KR)
Title: Heating apparatus and water supply apparatus for livestock having the same
Inventor: TARK DONG SOO
IPC: A01K7/04
Filed: 2008-10-29
Abstract: PURPOSE: A heater and a water supply device for domestic animals including the same are provided, which can reduce electrical energy consumption and facilitate manufacture and installation. CONSTITUTION: A water supply device for domestic animals comprises: a water tub(110) in which water is put; and a heater(150) which is equipped with a warm water flow path(152) and heats the water inside the water tub. The water tub is formed into the cylindrical form opened upwardly so that the water can be accepted. The water tub is made of plastic member. In the lower part of the tub, a plurality of legs(115) are equipped.
Patent KR-20100048014-A (KR)
Title: Parking brake pedal device
Inventor: PARK MIN SUNG
IPC: B60T7/04
Filed: 2008-10-30
Abstract: PURPOSE: A parking brake pedal device is provided to release a parking brake by stepping a pedal which a protrusion of pole is extruded by the rotation of a main connection rod around a rod fixing hinge axis and the separation of a pole from a ratchet. CONSTITUTION: A parking brake pedal device comprises: a ratchet(200) is placed in a parking brake pedal(100); a pole(300) which engages to the ratchet; a main connection rod(400) whose one end(410) touches a protrusion(310) which is a part of the pole and combined with the concave part of the ratchet by operating of the parking brake pedal; and a foot rest(120) which is connected to the other end(420) of the main connection rod around a rod fixing hinge axis(430) on the main connection rod. The main connection rod rotates around a rod fixing hinge axis and pushes the projection of the pole from a ratchet while an operator steps the foot rest.
Patent KR-20090045871-A (KR)
Inventor: WEYLER STEFANIE
IPC: C07C49/603
Filed: 2008-10-31
Abstract: 본 발명은 지연제로서 퀴논 메티드 및 용매를 포함하는 지연제-함유 조성물을 올레핀계 불포화 단량체 또는 1종 이상의 올레핀계 불포화 단량체를 포함하는 단량체 혼합물에 첨가하는 올레핀계 불포화 단량체의 안정화 방법, 및 그로부터 생성된 단량체 조성물에 관한 것이다. 
       
     올레핀계 불포화 단량체, 지연제, 중합 억제제, 퀴논 메티드
Patent KR-20100048769-A (KR)
Title: Power factor correction circuit and driving method thereof
Inventor: HWANG JONG TAE
IPC: G05F1/70
Filed: 2008-10-31
Abstract: PURPOSE: A power factor correction circuit and a driving method thereof are provided to reduce power consumption by using a reference signal similar to the frequency and phase of an input voltage. CONSTITUTION: In a power factor correction circuit and a driving method thereof, a power transfer device receives an input voltage. The power transfer device flows the input current corresponding to the input voltage. A switch(11) is connected to the power transfer device. The switch controls an output voltage. The output voltage generates the current flowing in the power transfer device. A power factor correction unit detects input voltage and a zero voltage. The power factor correction circuit controls a switching operation of a switch by using an amplification reference signal and a sensing signal.
Patent KR-20100050347-A (KR)
Title: Led package module
Inventor: PAEK HO SUN
IPC: H01L33/60
Filed: 2008-11-05
Abstract: PURPOSE: An LED package module is provided to output uniform white light on the whole region of an LED package module by preventing chromatic aberration. CONSTITUTION: An electrode pattern is formed on a substrate. A plurality of LED chips are mounted on the substrate to be separated each other and are electrically connected to the electrode pattern. A main layer(120) receives LED chips and reflects the light emitted from the LED chips. A sub layer(130) includes a sub reflection surface(132) on the upper side of the main layer.
Patent KR-20100052352-A (KR)
Title: Connection pipe and refrigerant flowing system
Inventor: KIM HONG SEONG
IPC: F24F1/00
Filed: 2008-11-10
Abstract: PURPOSE: A connecting pipe and a refrigerant circulating system comprising the same are uniformly circulate the refrigerant in a refrigerant pipe. CONSTITUTION: A connecting pipe(200) comprises a first combining part(211), a second combining part(213), and a mixing part(215). The first combining part is combined with a first refrigerant pipe through which the refrigerant flows and receives the refrigerant from the first refrigerant pipe. The second refrigerant is combined with the second refrigerant pipe connected to the first refrigerant pipe and transfers the refrigerant to the second refrigerant pipe. The mixing part is located between the first combining part and the second combining part, mixes the liquid refrigerant transferred to the first combining part with the vapor refrigerant and transfers the mixed refrigerant to the second combining part. The flow cross section area formed at the mixing part is narrower than that of the flow path formed at the inside of each of the first and second combining parts.
Patent KR-20100054208-A (KR)
Title: Mutiple charging station with step-difference structure using wireless power transfer technology
Inventor: JUNG CHUN KIL
IPC: H02J13/00
Filed: 2008-11-14
Abstract: PURPOSE: A wireless multi charging station is provided to stably charge by detecting foreign material flowing into a first side core. CONSTITUTION: A wireless multi charging station comprises a control part(10), a station part(30), and a display part(101). The control part comprises an electronic circuit for power supply and data transmission and reception. The station part is electrically connected to the control part. A battery pack is installed on the station part. The station part comprises a top station(31) and a bottom station(32). The height of top station and the bottom station are different from each other. The display part is arranged in the upper side of the control part in order to display the operating state of the battery pack and the control part.
Patent KR-20100054222-A (KR)
Inventor: PARK GUN
IPC: F03B7/00
Filed: 2008-11-14
Abstract: PURPOSE: An energy generation method by the center displacement of weight or power is provided to generate rotational energy by converting a lever motion into rotation. CONSTITUTION: An energy generation method by the center displacement of weight or power is as follows. Identical active members having an effort point, a fulcrum, and a load point like a lever motion are raised and lowered at the same time at the lever ratio of 1:1.5:5 and 1:2:1 within paths(1,2). Natural rotation is created as one of the active members with a higher angle pushes the other with a lower angle. Therefore, the center of mass changes and energy is generated.
Patent KR-20090052825-A (KR)
Inventor: TANAKA SHIN
IPC: H01J65/00
Filed: 2008-11-21
Abstract: 유리관 벌브의 크랙 발생을 쉽게 야기하지 않는 외부 전극형 형광 램프가 제공된다.     외부 전극형 형광 램프는 유리관 벌브, 유리관 벌브의 내측 면 상에 형성된 형광체층, 유리관 벌브 내에 봉입된 방전 매체, 유리관 벌브의 외측 면 양 단부 상에 형성된 전극부들을 포함한다.     전극부들의 각각은 유리관 벌브의 외주면 상에 판 형태의 도전성 재료를 감아서 형성된다.     판 형태의 도전성 재료는 유리관 벌브용 재료의 열팽창 계수와 대략 동일한 열팽창 계수를 갖는다.      
       
     외부 전극형 형광 램프, 유리관 벌브, 형광체, 방전 매체, 열팽창 계수, 액정 표시 장치
Patent KR-20100058308-A (KR)
Title: Transfer table of linear motor system formed composite material
Inventor: EUN IN UNG
IPC: B23Q5/28
Filed: 2008-11-24
Abstract: PURPOSE: A transfer table made of composite material for a linear motor is provided to reduce cross torque due to inertia by maintaining rigidity on magnetic suction force and also, reducing weight. CONSTITUTION: A transfer table(5) made of composite material for a linear motor is guided by an LM guide and an LM(Linear Motion) block. The main body of the transfer table is formed of carbon fiber reinforced plastics(9). A metal sheet(10) is attached to a double-sided adhesive film(11) on the upper and lower parts of the main body. A cooler contact metal sheet(13) contacts a cooler(6) on the lower part of the transfer table. A step-shaped contact part(16) is formed from a transfer table contact metal sheet(14) in the cooler contact metal sheet.
Patent KR-20100059180-A (KR)
Title: A method to obtain unlimited kinetic energy by using the v-type-array of permanent magnets
Inventor: PARK JUNG IL
IPC: H02N11/00
Filed: 2008-11-26
Abstract: PURPOSE: A method for obtaining infinite power energy is provided to obtain infinite power energy by continuously moving an moving object by enabling several pairs of permanent propulsion mode to overcome the resistivity of a pair of permanent magnet resistance mode. CONSTITUTION: A permanent magnet(100,110) which is arranged in a moving object is provided in a line. A permanent magnet which is arranged in a fixed object in a V-shaped pattern is prepared. A magnetic force blocking plate(300) for stopping the start of the movement are arranged between the permanent magnets. The moving body is moved if the magnetic force blocking plate is pulled out. A magnetic force blocking plate for reducing moving resistance force(310) is arranged near the permanent magnets.
Patent KR-20100059525-A (KR)
Inventor: KWAK YOON SEOK
IPC: H01J11/28
Filed: 2008-11-26
Abstract: 본 발명에 따른 플라즈마 디스플레이 장치는 상부기판; 상부기판에 형성되는 제1 전극 및 2 전극; 상부기판과 대향하여 배치되는 하부기판; 및 하부기판에 형성되는 제3 전극을 포함하며, 제1 전극은 단일 층(one layer)으로 형성되며, 제3 전극과 교차하는 방향으로 형성된 제1 전극라인과 제1 전극라인으로부터 제2 전극 방향으로 연장되는 보조전극부를 포함하고, 
     보조전극부는 제1 전극 라인과 평행하게 형성되는 제1,2 보조전극라인; 제1 전극라인과 제1,2 보조전극라인들을 연결하는 제1 연결전극; 및 제2 보조전극라인으로부터 제2 전극을 향하는 방향으로 돌출된 제1 돌출전극;을 포함하는 것을 특징으로 한다. 
     상기한 바와 같이 구성되는 본 발명에 따른 플라즈마 디스플레이 장치에 의하면, ITO(Indium Tin Oxide)로 이루어진 투명 전극을 제거하여 플라즈마 디스플레이 패널의 제조 원가를 감소시킬 수 있으며, 동시에 효율이 개선된다.  
       
     플라즈마 디스플레이 장치, pdp, 전극구조
Patent KR-20090056855-A (KR)
Title: Pneumatic tire
Inventor: MRUK RALF
IPC: D03D19/00
Filed: 2008-11-27
Abstract: A pneumatic pressure tire provides the improved adhesion between a textile cord and a nearby rubber when the textile cord is processed with RFL including polyvinylpyrrolidone. A pneumatic pressure tire comprises a rubber composition contacting a textile cord for reinforcement selected from a group consisting of a polyester cord, an aramid cord, a nylon cord and an aramid/nylon hybrid cord. In the textile cord, resorcinol-formaldehyde-latex(RFL) adhesive arranged on the surface of the textile cord is included. The RFL adhesive comprises polyvinylpyrrolidone and one or more other elastomers.
Patent KR-20100060857-A (KR)
Title: Veronicastrum sibiricum extracts for improving insulin resistance and products containing them as effective ingredient
Inventor: MYOUNG KIL SUN
IPC: A61K36/80
Filed: 2008-11-28
Abstract: PURPOSE: A Veronicastrum sibiricum ethanol extract and a product containing the same are provided to suppress SOCS-3 protein expression and to prevent and treat metabolic syndrome. CONSTITUTION: A method for manufacturing Veronicastrum sibiricum ethanol extract comprises: a step of collecting and drying root parts of Veronicastrum sibiricum; adding 50% of ethanol; a step of reacting for seven days to obtain the Veronicastrum sibiricum extract; a step of filtering the Veronicastrum sibiricum extract; and a step of freeze-drying to pulverize. A pharmaceutical composition for preventing and treating metabolic syndrome contains Veronicastrum sibiricum ethanol extract as an active ingredient.
Patent KR-20090077663-A (KR)
Title: Cokes-alternative solid carbonized fuels and method for preparing thereof
Inventor: CHUNG BOK YIM
IPC: C10L5/44
Filed: 2008-12-01
Abstract: Coke-replacing solid carbonized fuels and a preparation method thereof are provided to prepare coke-replacing solid carbonized fuels having excellent heating value and physical properties similar to or superior to those of coke environmentally friendly and economically by using a woody or herbal biomass, fine iron ore, and starch containing amylopectin. A method of preparing a coke-replacing solid carbonized fuel comprises the steps of: (a) carbonizing a woody or herbal biomass to prepare a charcoal powder; (b) adding 800 to 1200 parts by weight of water in 100 parts by weight of starch containing 80%(w/w) of amylopectin and heating the mixture to prepare a mixture of water and starch containing 80%(w/w) or more of amylopectin; (c) mixing 100 parts by weight of the prepared charcoal powder with 750 to 1156 parts by weight of fine iron ore and 5 to 17 parts by weight of a mixture of water and the starch containing 80%(w/w) or more of amylopectin and molding the mixture to manufacture a molding; and (d) drying the manufactured molding to obtain a solid carbonized fuel. The heating process of the step(b) is performed at 40 to 95 deg.C for 5 to 30 minutes. The starch containing 80%(w/w) or more of amylopectin is selected from the group consisting of cassava starch, glutinous rice starch, and glutinous corn starch. The fine iron ore of the step(c) has a diameter of 1 to 5 mm. The method further comprises the step of crushing the molding to a diameter of 3 mm after drying the molding.
Patent KR-20100065613-A (KR)
Title: Method and system for settlement of agency driving service
Inventor: SUH SEUNG KYUN
IPC: H04W4/12
Filed: 2008-12-08
Abstract: PURPOSE: A settlement method and a system thereof for performing cost payment about a proxy driving service are provided to accurately recognize a payment history of the service cost by directly performing online payment through a credit card. CONSTITUTION: A proxy driver's portable terminal(10) requests the payment initiative of the rent-a-drive service cost. A proxy driving customer's portable terminal(20) for the rent-a-drive client advances the settlement request. The card payment information is inputted. A proxy driving management server informs the requirement of the payment. The management server requests the payment approval to a payment processing server(80).
Patent KR-20100066153-A (KR)
Title: A safety device of opening and shutting doors
Inventor: HWANG JAE HYO
IPC: E06B7/36
Filed: 2008-12-09
Abstract: PURPOSE: A safety device for a hinged door is provided to prevent fingers from being caught in a door by forming first and second safety bars, and to protect the fingers even if the fingers are caught in the door. CONSTITUTION: A safety device for a hinged door comprises a main body fixing bar(20), a first safety bar(30), a second safety bar(50), a guide, first elastic members and second elastic members. The first safety bar is coupled to the main body fixing bar using hinges. The second safety bar is coupled to the first safety bar using hinges. The guide is formed inside the main body fixing bar. The first elastic members are attached between the main body fixing bar and the first safety bar. The second elastic members are attached between the first safety bar and the second safety bar.
Patent KR-20100066212-A (KR)
Inventor: LEE SONG HEE
IPC: B65D85/48
Filed: 2008-12-09
Abstract: 본 발명은 안정적인 액정표시모듈의 포장 컨테이너가 개시된다. 
     개시된 액정표시모듈의 포장 컨테이너는 서로 대응되는 형상으로 이루어져 액정표시모듈의 측면을 보호하는 제1 및 제2 패킹 바텀(Packing bottom) 및 제1 및 제2 패킹 바텀의 상부면과 결합하여 액정표시모듈의 상부면을 보호하는 패킹 탑(Packing Top)을 포함하고, 제1 및 제2 패킹 바텀의 내부면에는 액정표시모듈이 수납되는 복수의 장입홈과, 하나의 장입홈에 장입되는 복수의 액정표시모듈과 각각 대응되도록 서로 다른 높이를 가지는 복수의 지지면을 포함하는 것을 특징으로 한다.
Patent KR-20100066924-A (KR)
Inventor: PARK JONG EUN
IPC: B60R7/04
Filed: 2008-12-10
Abstract: 본 발명은 트레이 록킹장치에 관한 것으로, 하우징부에 회전 가능하도록 결합되는 도어부에 설치되어 상하 이동되는 손잡이부; 및 도어부에 내장되고 도어부에 형성되는 관통홀을 통해 하우징에 형성되는 록킹홀에 삽입되며, 손잡이부에 안착되어 탄성 지지되는 래치부를 포함한다. 
     본 발명에 따른 트레이 록킹장치는 손잡이부와 래치부가 분리되어 작동됨으로써, 도어부 폐쇄과정에서 손잡이부의 마찰력이 발생되지 않게 된다. 
       
     트레이, 록킹, 탄성체, 래치, 손잡이
Patent KR-20100069848-A (KR)
Title: House capable of generating electric energy
Inventor: YU YOUNG DONG
IPC: E04H1/12
Filed: 2008-12-17
Abstract: PURPOSE: A self-generating house is provided to improve residence performance by improving insulation and structural performance regardless of electric facilities in a construction area. CONSTITUTION: A self-generating house(100) comprises a base support(14), a housing main body(12), and a solar panel(18). The base support is manufactured by a steel structure and is positioned to have an internal space. The housing main body is fixed on a base support and comprises a pedestal, a floor, a wall(20), and a roof(16). The solar panel is installed on the roof and converts the solar energy into the electrical energy.
Patent KR-20100072445-A (KR)
Inventor: KIM YONG SUN
IPC: H04N13/00
Filed: 2008-12-22
Abstract: 본 발명은 3D입체동영상시스템에 관한 비지니스모델로서 동영상관람시청자가 컴퓨터 모니터상의 본 기술의 동영상을 볼 때 화면상에서 전후좌우 상하를 자유롭게 볼 수 있는 기술로서 즉 자동차 쇼케이스 중 모델이 자동차 앞에서 쇼를 진행할 때 관람자가 모델의 전후좌우를 차량과 더불어 관람할 수 있도록 된 기술로서 즉 모델이 자동차의 전면을 설명하는 동안 동영상관람시청자가 동영상에서 차량의 옆모습을 보고 싶다면 마우스로 화면상의 각도를 옆으로 돌려 자동차와 모델의 옆모습을 볼 수 있는 것으로 이와같이 전후좌우로 동영상의 각도를 돌려 실사 동영상의 3D 입체 관람이 가능한 기술의 발명이며 동영상 촬영시 촬영하는 물체의 전후좌우에 원하는 화질에 맞게 복수개의 카메라들을 설치하고 그 데이터가 컴퓨터 하드디스크 또는 디지털저장장치에 저장되게 하고 저장된 데이터를 관람자가 볼 때 관람자가 동영상을 전후좌우로 돌려 볼 수 있도록 프로그래밍하되 필름이 로딩 상영될때 다른필름도 다중 예비로딩 되게 하고 관람자가 선택한 각도의 장면이 항상 플레이될 수 있도록 된 특징이 있으며 본 기술을 사용하거나 본 기술을 응용하여 동영상을 제작하고자 할때  온라인으로 본 발명의 시스템 사이트에 접속 일정한 절차를 거친 후 승인을 받고 해당 소프트웨어를 다운로드받은 후 본 발명의 기술을 사용토록 된 특징이 있는 3D입체동영상시스템 이다.    
       
     3D입체 동영상, 동영상, 가상현실
Patent KR-20100079806-A (KR)
Title: Thrust measuring equipment and method for thruster
Inventor: JEON SANG WOON
IPC: G01L5/12
Filed: 2008-12-31
Abstract: PURPOSE: A device and a method for measuring thrust are provided to accurately measure thrust even if a shaft for a thruster is not the same as a shaft for the device and to easily obtain calibration data for measuring thrust. CONSTITUTION: A device for measuring thrust comprises a thruster adapter(110), a second base(120), a measuring load cell(130), a calibrating load cell, and a controller. The thruster adapter is composed of a fixing member which fixes a thruster(200). The second base is installed in the bottom of the thruster adapter and is horizontally moved on a first base. The measuring load cell has a measuring load cell bar and a measuring adapter. The calibrating load cell gas a calibrating load cell bar(141) and a calibration adapter(143). The controller calculates and corrects an error value of the measuring load cell.
Patent KR-20080028454-A (KR)
Title: Continous heat treatment furnace and utilizing the same, metal pipe and method of heat treatment
Inventor: TATSUOKA MIKIO
IPC: C21D9/56
Filed: 2005-07-25
Abstract: A continuous heat treatment furnace adapted to introduce an ambient gas into heating chamber (1) having heating zone (1a), continuously charge metal pipes along an axial direction from furnace entrance (2a) and discharge the metal pipes having undergone heat treatment from furnace exit (2b), wherein anterior compartment (4) having preheating zone (3) is disposed on the entry side of the heating chamber and wherein seal curtains (5a,5b) are disposed on the entry side and exit side of the anterior compartment. Further, there is provided a metal pipe heat treated by this heat treatment furnace and provided a method of heat treatment conducted with the use of the heat treatment furnace. It is preferred that posterior compartment (6) be installed on the exit side of the heating chamber and that seal curtain (7a) be fitted on the entry side of the posterior compartment. By virtue of these heat treatment furnace and method of heat treatment, even when the cleaning operation after cold working consists only of alkali defatting and washing, attachments to the internal and external surfaces of metal pipes can be easily removed prior to the heat treatment. ® KIPO & WIPO 2008
Patent KR-20080040732-A (KR)
Title: Encrypting data in a communication network
Inventor: YONGE LAWRENCE W III
IPC: G06F15/16
Filed: 2006-07-27
Abstract: A method for communicating in a network (2) is presented. The method includes encapsulating content from a plurality of high level data units from a high level layer to generate a stream (100); dividing the stream into a plurality of segments (102); individually encrypting at least some of the segments, wherein an encrypted segment (106) includes a plurality of encrypted blocks, and at least some of the encrypted blocks are encrypted based on at least one other encrypted block within the encrypted segment; and supplying low level data units (110) to a physical layer that handles physical communication over the network, at least some of the low level data units each including a plurality of encrypted segments.
Patent KR-20080053467-A (KR)
Title: Decorated trim element
Inventor: PARUCHURI SREENIVAS
IPC: B60R13/02
Filed: 2006-09-11
Abstract: The present invention relates to a trim element for the passenger compartment of a motor vehicle, comprising a substrate and a film bonded to it, the film consisting of polypropylene (PP) or a polypropylene copolymer.
Patent KR-20080068685-A (KR)
Title: Method for producing antimicrobial plastic compositions
Inventor: PUDLEINER HEINZ
IPC: C08K5/34
Filed: 2006-09-23
Abstract: The invention relates to a method for producing antimicrobial plastic compositions from a thermoplastic material, especially a thermoplastic elastomer, and at least one powdery antimicrobial substance, especially from the group of the bis-(4-amino-1-pyridinium)-alkanes, and to the use of said compositions for catheters and other medical and surgical products.
Patent KR-20090046744-A (KR)
Inventor: TRAN THANH
IPC: H04L12/24
Filed: 2007-08-02
Abstract: 노트북의 통신 포트들 사이의 스위칭은 전형적으로 오프-칩 LAN 스위치 또는 오프-칩 고속 아날로그 멀티플렉서를 사용하여 수행된다. 이러한 오프-칩 구성요소는, 부가적인 구성요소로 인한 증가되는 비용, 전송 크기 손실로 인한 증가되는 전체 전력 소모, 및 하이브리드 부정합 및 신호 왜곡에 기인한 감소되는 케이블 리치 및 링크 성능과 같은 몇 가지 이유들 때문에 단점이 있다. 비용을 감소시키고 전기적 및 네트워킹 성능을 유지하기 위해, 통합된 스위치가 다중 네트워크 경로들로 네트워킹 통신 칩의 신호들을 멀티플렉싱하기 위해 제공된다.
Patent KR-20080066870-A (KR)
Title: Assembling lighting elements onto a substrate
Inventor: SCHUG JOSEF ANDREAS
IPC: H01L33/60
Filed: 2006-11-03
Abstract: The present application relates to assembling a lighting element (20) onto a substrate (28). To enable exact positioning of the lighting element (20) and further optical components (30), there is provided aligning the lighting element (20) with a support element (22) within one mounting plane P, surface mounting the lighting element (20) together with the support element (22) onto a substrate (28) within one step, and mounting a further component (30) onto the support element (22) such that no mechanical stress is applied to the lighting element (20).
Patent KR-20080072925-A (KR)
Title: Information reproducing device and method, and computer program
Inventor: TAKAKUWA NOBUYUKI
IPC: H04N5/91
Filed: 2006-11-22
Abstract: An information reproduction device (200) comprises display means (353) for displaying a main image and a sub-image of a first type, the display of which can be started at a desired reproduction time, storage means (355, 360) for storing the identification number of the sub-image, first control means (354, 359) for discarding the identification number of the sub-image in case the current reproduction time of the main image exceeds the range of the reproduction time, at which the sub-image is to be displayed, and second control means (354, 359) for continuously storing the identification number of the sub-image in case the current reproduction time of the main image does not exceed the range of the reproduction time, at which the sub-image is to be displayed.
Patent KR-20080085033-A (KR)
Title: Lubricant oil and lubricating oil additive concentrate compositions
Inventor: GATTO VINCENT J
IPC: C07C39/04
Filed: 2007-01-12
Abstract: A lubricant oil composition having a synergistic oxidative stability is disclosed, the composition comprising at least one hindered phenolic antioxidant, at least one mono-boronated hindered phenolic antioxidant, at least one di-boronated hindered phenolic antioxidant, and at least one alkylated diphenylamine. The invention also provides a lubricating oil additive concentrate composition that imparts synergistic oxidative stability to a lubricant oil upon its addition, the concentrate composition comprising at least one hindered phenolic antioxidant, at least one mono-boronated hindered phenolic antioxidant, at least one di-boronated hindered phenolic antioxidant, and at least one alkylated diphenylamine. Further, the concentrate compositions of the present invention may also be prepared with a high concentration of hindered phenolic antioxidants without deleterious effects on viscosity or lubricant solubility.