baber/WOPTO huggingface dataset:
Patent KR-20130047683-A (KR)
Inventor: JANSSENS STIJN JOZEF RITA JOHANNA
IPC: F28F9/22
Filed: 2011-05-11
Abstract: 기체를 압축 및 건조시키는 장치를 개시하며, 이 장치(25)는 저압 스테이지(30), 고압 스테이지(36) 및 압력 파이프(39)를 구비한 다단 압축기와, 건조 구역(41) 및 재생 구역(40)을 구비한 흡착 건조기(27)를 포함하며, 저압 스테이지(30)와 고압 스테이지(36) 사이에 중간 냉각기(34)가 배치되며, 메인 구획(7)을 갖는 열교환기(1)가 더 마련되며, 메인 구획(7)은 제1 일차 유체를 위한 입구부(9)와 출구부(10)를 구비하며, 튜브(13)들의 단부가 각 튜브 세트(11, 12)에 대해 별개의 입구 구획(14, 16) 및 출구 구획(15, 17)에 각각 연결되며, 제1 튜브 세트(11)의 튜브들은 중간 냉각기(34)의 냉각 회로를 형성하여, 상기 흡착 건조기(27)의 재생을 위해 고압 스테이지(36)로부터 온 기체를 가열한다.
Patent KR-20120125532-A (KR)
IPC: H04B7/04
Filed: 2010-02-12
Abstract: 본 발명은 멀티-사이트 멀티-이용자 조인트 송신을 위한 방법을 제안하고, 방법은 이용자 단말에 의해 각각의 기지국으로부터 비롯된 다운링크 채널을 측정하는 단계; 다운링크 채널에 대한 측정에 따라, 이용자 단말에 의해 각각의 기지국에 대한 사이트 당 채널 정보 및 부가적인 사이트 간 채널 정보를 정량화하고 획득하는 단계로서, 상기 부가적인 사이트 간 채널 정보는 다수의 기지국들에 대한 조인트 채널 정보를 계산하기 위해 이용되는, 상기 채널 정보를 정량화하고 획득하는 단계; 및 이용자 단말에 의해, 기지국이 멀티-사이트 멀티-이용자 조인트 송신을 실행하기 위해 스케줄링을 수행하도록 각각의 기지국에 대한 사이트 당 채널 정보 및 부가적인 사이트 간 채널 정보를 피드백(feed back)하는 단계를 포함한다.
Patent KR-20130031825-A (KR)
Inventor: TAKENAGA TOMOHIRO
IPC: H01L23/36
Filed: 2011-06-07
Abstract: 냉각기(4)는 천장판(10)과, 내부에 냉매(40)가 흐르는 냉각 케이스(20)와, 냉매(40)가 흐르는 흐름 방향을 따라 측면에 볼록 형상 곡면부(31)와 오목 형상 곡면부(32)를 교대로 갖는 복수의 사행 핀(30)을 구비한다.  이 냉각기(4)에서는, 냉매(40)가 대향하는 볼록 형상 곡면부(31)와 오목 형상 곡면부(32) 사이를 통과하여 사행한다.  그리고 볼록 형상 곡면부(31)에는, 이 볼록 형상 곡면부(31)로부터 대향하는 오목 형상 곡면부(32)를 향하는 냉매(40)의 흐름을 발생시키는 뱅크(31x)가 설치된다.  이 뱅크(31x)에 의해, 냉매(40)의 주류(MS)의 일부(MS1)와 오목 형상 곡면부(32)의 근방에서 정체되고 있는 냉매(40)를 혼합시킬 수 있어, 사행 핀(30)의 열 전달률을 향상시킬 수 있다.  이렇게 해서, 오목 형상 곡면부(32)의 근방에서 냉매(40)의 정체가 발생하는 것을 방지하여, 냉각기(4)의 냉각 성능을 향상시킬 수 있다.
Patent KR-20130023228-A (KR)
Inventor: DOLENTE COSIMO
IPC: C07D487/04
Filed: 2011-03-25
Abstract: 본 발명은, 하기 화학식 I의 아릴-사이클로헥실-테트라아자벤조[e]아줄렌, 이의 제조 방법, 이를 함유하는 약학 조성물 및 약제로서의 이의 용도에 관한 것이다: 
[화학식 I] 
   
상기 식에서, R 1 , R 2  및 R 3 은 본원에 기재된 바와 같다. 
본 발명에 따른 화합물은 V1a 수용체 조절제, 특히 V1a 수용체 길항제로서 작용한다.  본 발명의 활성 화합물은, 월경통, 남성 또는 여성 성기능 장애, 고혈압, 만성 심부전, 바소프레신 분비 이상, 간경변증, 신증후군, 불안, 우울 장애, 강박 장애, 자폐증, 정신 분열증, 및 공격적 행동의 증상에 말초적으로 및 중추적으로 작용하는 치료제로서 유용하다.
Patent KR-20120135439-A (KR)
Inventor: SHIBAZAKI YUICHI
IPC: H01L21/68
Filed: 2005-06-08
Abstract: 기판 홀더 (PH) 는, 기재 (PHB) 와, 기재 (PHB) 에 형성되고 또한 기판 (P) 을 흡착 유지하는 제 1 유지부 (PH1) 와, 기재 (PHB) 에 형성되고 또한 제 1 유지부 (PH1) 에 흡착 유지된 기판 (P) 의 근방에 플레이트 부재 (T) 를 흡착 유지하는 제 2 유지부 (PH2) 를 구비하고 있다.     기판 홀더 (PH) 를 구비하는 노광 장치는, 플레이트의 교환이 용이하고, 메인터넌스가 용이하다.     따라서, 액침 노광에 적합하다.
Patent KR-20140093350-A (KR)
Inventor: LEE SEUNG BOK
IPC: F28F3/00
Filed: 2013-01-15
Abstract: The present invention relates to a platen assembling heat exchanger comprising a core with a pair of electric plates attached and having a pair assembled to form a first flow passage inside for forming a second flow passage among pairs; support beams that are located on the edge of the core; a U-shaped curved core spring that is positioned between the core and support beam; and a pair of casing that is connected to the both ends of each support beam.
Patent KR-20140093443-A (KR)
Title: 퇴적물 자동 배출 및 담체 자동 재이송 기능을 갖는 혐기성 소화조
Inventor: HONG SANG HUN
IPC: C12M1/06
Filed: 2013-01-18
Abstract: 이 발명의 혐기성 소화조(100)는 일반적인 혐기성 소화조의 외관 구조를 갖는 소화조 본체(110)와, 슬러지의 교반 시에 침전되어 소화조 본체의 바닥면에 점점 쌓이는 퇴적물을 한 곳으로 모으는 집적수단(120)과, 집적수단에 의해 모인 퇴적물을 소화조 본체의 외부로 자동 배출하는 배출수단(130)과, 배출수단에 의해 배출되는 퇴적물에서 담체가 함유된 담체 함유액을 분리하는 분리수단(140), 및 분리수단에 의해 분리된 담체 함유액을 소화조 본체의 내부로 재이송시키는 재이송수단(150)으로 구성된다.  이 발명은 슬러지의 교반 시에 침전되어 바닥면에 점점 쌓이는 퇴적물을 모아서 편리하게 외부로 자동 배출함과 더불어 이때 함께 배출되는 담체를 회수해 소화조 본체의 내부로 자동 재이송시켜 편리하게 재사용할 수 있는 장점이 있다.
Patent KR-20130090837-A (KR)
Title: Acrylic pressure-sensitive adhesive tape
Inventor: KATAMI HIROFUMI
IPC: C09J133/04
Filed: 2013-02-06
Abstract: PURPOSE: An acrylic adhesive tape has excellent adhesion and foam-separation resistance and has excellent step conformability, thereby being used for attaching a glass object and a plastic object to each other. CONSTITUTION: An acrylic adhesive tape includes an acrylic adhesive layer. The 180° adhesion of the acrylic adhesive tape to a glass sheet is 10 N/20 mm or greater. The 180° adhesion of the acrylic adhesive to an acryl sheet is 10 N/20 mm or greater. The acrylic adhesive layer contains an acrylic polymer. The gel fraction of the acrylic adhesive layer is 65% or higher. The 300% tensile residual stress of the acrylic adhesive layer is 7-16 N/cm^2. The acrylic polymer contains a monomer containing a hydroxyl group in a molecule as a monomer unit.
Patent KR-20130092502-A (KR)
Title: Method for generating gridlines on non-square substrates
Inventor: COBB CORIE
IPC: H01L31/042
Filed: 2013-02-08
Abstract: PURPOSE: A method for generating a grid line on a non-rectangular circuit board is provided to improve efficiency on a single crystalline silicon wafer by implementing a grid line on a printing system. CONSTITUTION: A printing head body (101) forms input ports (116-1, 116-2), nozzles (162-1, 162-21, 162-22), and floating distribution systems (163-1, 163-2). The floating distribution system forms the floating path of a nozzle path from the input port. A plurality of first output orifices (169-1) is arranged in the center of the printing head. A plurality of second output orifices (169-21, 169-22) is arranged at a first and a second surface which are arranged outside a center cross-process area. The first output orifices are offset from the second output orifices. [Reference numerals] (60) Material supply system; (61-2,61-1) Valve; (90) Controller; (AA) Closure-2; (BB) Opening; (CC) Closure-1
Patent KR-20140101225-A (KR)
Inventor: LEE JI YOUN
IPC: H01L51/50
Filed: 2013-02-08
Abstract: An organic light emitting device is disclosed. The organic light emitting device comprises: a substrate; a first electrode on the substrate; a second electrode facing the first electrode; a light emitting layer interposed between the first electrode and the second electrode; a hole transport region between the first electrode and the light emitting layer; and an electrode transport region between the light emitting layer and the second electrode. The light emitting device can have a low driving voltage, high brightness, high efficiency, and a long service life.
Patent KR-20140103409-A (KR)
Inventor: KIM JUNG HOON
IPC: G06F40/00
Filed: 2013-02-18
Abstract: A mind web system is provided. The mind web system according to one embodiment of the present invention includes a page management module which manages a first entity corresponding to the detailed information about a first keyword inputted by a first user and a history management module which manages the change history of the first page if the first page is changed. If a second page derived from the first page is generated, the history management module separately manages the history change of the first and second pages.
Patent KR-20140118443-A (KR)
Inventor: MOON JIN YOUNG
IPC: A61B6/03
Filed: 2013-03-29
Abstract: The present invention relates to a mammography device to photograph a subject to be examined using an X-ray. Provided is the mammography device comprising: a device body which is movable in a vertical axis direction and is rotatable around a first horizontal axis to allow cranio-caudal photographing and mediolateral oblique photographing of a subject to be examined; a generator which is fixed to one end of the device body to irradiate by an X-ray; a subject support unit which is fixed to the other end of the device body and includes a detector facing the generator; a first moving unit to move the device body in the vertical axis direction; a rotating unit to rotate the device body around the first horizontal axis; and a controller to control the first moving unit and the rotating unit, wherein the controller controls the rotating unit to rotate the device body so that the center of the upper surface of the subject support unit can be located on the same horizontal plane while controlling the first moving unit to move the device body in connection with the rotating unit.
Patent KR-20140125104-A (KR)
Inventor: CHOI NAK MIN
IPC: A47G9/10
Filed: 2013-04-18
Abstract: The present invention provides a double-sided quilted pillow cover. The double-sided quilted pillow cover is manufactured by inserting a filling material between a lining and a surface material, preparing two covers having two or more quilting parts via quilting all at once, placing the surface materials of the two covers to be faced to the outside, and overlapping edge surfaces to form a space part for filling pillow stuffing therebetween. Both of front and rear surfaces can be used owing to double-sided quilting operation and thus the pillow cover can be used for a long period of time. The double-sided quilted pillow cover can be used sanitarily by preventing the pollution of the pillow stuffing via sweat absorption. In addition, the double-sided quilted pillow cover can be used for a long period of time as the stiffness of the surfaces is enhanced by the quilted quilting parts and thus the pillow cover is not damaged easily by frequent washing. Also, the reliability and marketability of the product can be improved by beautifying the image of the whole cover via the quilting parts.
Patent KR-20140125960-A (KR)
Inventor: LEE EUNG SUK
IPC: B66C13/18
Filed: 2013-04-19
Abstract: The present invention relates to a transfer error control device of a gantry transfer type mechanical apparatus and a method thereof. The transfer error control device of the gantry transfer mechanical device according to the embodiment of the present invention includes a column part which is composed of a vertical column part and a horizontal column part, a transfer rail which is combined with the vertical column part to slide, a pitch sensor which measures a pitch error of a gantry transfer device, a yaw sensor which is installed in the center of the upper side of the horizontal column part and measures an error about the yaw of the gantry transfer device, a servo motor which supports the sliding movement of the column part, and a control unit which produces a compensation value about the yawing error of the column part to control the rotation quantity of the servo motor.
Patent KR-20140127617-A (KR)
Inventor: SHIM SEUNG HYUN
IPC: H01L27/115
Filed: 2013-04-25
Abstract: A semiconductor device and a manufacturing method thereof are disclosed. According to an embodiment of the present invention, the semiconductor device comprises: a first lower line which is extended in a first direction and located in a first height from a substrate; a second lower line located in a second height which is higher than the first height; an upper line which is located on the first and the second lines, and extended in a second direction which crosses the first direction; and a variable resistance device which is interposed between the first lower line and the upper line, and between the second lower line and the upper line.
Patent KR-20140135443-A (KR)
Inventor: YU SANG HUN
IPC: H01L23/48
Filed: 2013-05-16
Abstract: The present invention discloses a manufacturing method for a semiconductor module and a semiconductor module according to the same capable of securing a stable combination structure and minimizing thermal resistance when an input/output terminal and a bus bar are combined, by changing a bending direction of the input/output terminal. For example, as to a manufacturing method for a semiconductor module including an input/output terminal preparing step of preparing an input/output terminal, an input/output terminal′s lower part bending step of vertically bending a lower part of an input/output terminal, a module body forming step of forming a module body to make an upper part and the bent lower part of the input/output terminal protrude, a radiator panel combining step of combining a radiator panel having a substrate attached with a lower part of the module body, a die attaching and wire bonding step of attaching a semiconductor die to the substrate and connecting a conductive wire, a module cover attaching step of attaching a module cover to the upper part of the module body, and an input/output terminal′s upper part bending step of vertically bending the upper part of the input/output terminal, the input/output terminal includes a curved surface part formed into a relatively rounded shape and the curved part is bent to face the bottom.
Patent KR-20140135459-A (KR)
Inventor: SEO BYEONG SU
IPC: F04B53/02
Filed: 2013-05-16
Abstract: The present invention provides a poppet valve type piston pump which improves efficiency according to sludge transfer by which a disc corner part of a piston pump is in close contact with a sheet, and can also prolong lifespan by fixing the disc in a stable state. According to the present invention, the poppet valve type piston pump comprises: a valve housing which includes a first valve port connected to a discharging pipe, a second valve port connected to a piston cylinder, and a third valve port which can draw in sludge; a poppet valve disc installed at the front end of the cylinder; and a poppet valve seat.
Patent KR-20140145022-A (KR)
Title: 기판 고정 장치 및 이를 포함하는 기판 검사 장치
Inventor: CHUNG HEE SUK
IPC: G01N23/227
Filed: 2013-06-12
Abstract: 기판 고정 장치 및 이를 포함하는 기판 검사 장치가 개시된다. 본 발명의 일 실시예에 따른 기판 고정 장치는 솔더가 형성된 기판이 배치되는 스테이지, 홀이 형성되어 기판의 상부에 배치되는 접지 플레이트 및 스테이지 및 접지 플레이트와 결합하여 홀을 통해 솔더가 관측되도록 접지 플레이트를 솔더에 접촉시키는 접지 플레이트 홀더를 포함한다.
Patent KR-20130143497-A (KR)
Inventor: TEPPNER RANDOLF
IPC: B63H25/38
Filed: 2013-06-18
Abstract: 잠수함은 그것의 선박 몸체상에 배치된 방향타 블레이드들을 포함한다. 이 선박 몸체의 바깥면 및 이 선박과 마주하는 방향타 블레이드들의 적어도 하나의 측면은 서로 배치되고 중립위치 밖의 피봇 영역 내의 방향타 블레이드가 자유공간이 없는 식으로 선박 몸체의 바깥면에 접속되는 식으로 설계된다.
Patent KR-20140018099-A (KR)
Title: Resin film based polyalkylene carbonate and method for preparing the same
Inventor: CHO HYUN JU
IPC: C09D7/65
Filed: 2013-06-21
Abstract: The present invention relates to a polyalkylene carbonate based resin film and a manufacturing method of the same. The polyalkylene carbonate based resin film of the present invention has biodegradability and complete combustion properties to secure environmentally friendly properties and similar properties to rubber. The resin film can be applied to various resin articles which require elasticity including, particularly, disposable gloves, disposable containers, and disposable rubber articles.
Patent KR-20140029150-A (KR)
Title: Semiconductor memory device
Inventor: YANO MASARU
IPC: G11C16/08
Filed: 2013-06-21
Abstract: A semiconductor memory device performing high speed reading with a miniaturized sensing circuit is provided. A pre-charge voltage from a virtual potential (VPRE′) is provided to an odd bit line when an even bit line is selected, the pre-charge voltage is provided from a source voltage supply unit (230) to a shared odd source line (SL_o), and a ground potential is provided from the source voltage supply unit (230) to an even source line (SL_e). [Reference numerals] (160B) Latch circuit; (230) Source voltage supply unit
Patent KR-20140007746-A (KR)
Title: Operating device
Inventor: KAMIYA KAZUSHI
IPC: B66F9/20
Filed: 2013-07-03
Abstract: Provided is an operating device which can perform a highly accurate operation and have excellent sensitivity for operation. According to the present invention, a thumb knob (1) comprises: a bracket (5); a knob (9); and first and second torsion springs (21, 25) between the bracket (5) and the knob (9). When the knob (9) is rotated on a central axis (O) from a reference position (B) counterclockwise, the first torsion spring (21) does not move, and when the knob (9) is rotated from the reference position (B) clockwise, the first torsion spring (21) exerts a force to return the knob (9) to the reference position (B). When the knob (9) is rotated on the central axis (O) from the reference position (B) clockwise, the second torsion spring (25) does not move, and when the knob (9) is rotated from the reference position (B) counterclockwise, the second torsion spring (25) exerts a force to return the knob (9) to the reference position (B).
Patent KR-20150007570-A (KR)
Inventor: HONG JIN SEOK
IPC: C07D401/14
Filed: 2013-07-11
Abstract: The present invention relates to a compound, an organic optoelectronic device including the same, and a display apparatus including the same organic optoelectronic device. The present invention provides the compound which is represented by Chemical Formula 1 (In Chemical Formula 1, definitions of Ar, X, R1, and R2 are same as defined in the specification). The compound can be used for providing the organic optoelectronic device having properties such as high efficiency and a long life span.
Patent KR-20150012857-A (KR)
IPC: B22D11/06
Filed: 2013-07-26
Abstract: The present invention relates to a coil manufacturing method which can predict defects of a coil and improves the quality of a product by predicting a mixed inclusions defect index of the coil. According to the present invention, provided is a coil manufacturing method which comprises: a measurement step of measuring the number of times when the level of molten steel of a mold per slab exceeds 10 mm; a prediction step of predicting the mixed inclusions defect index of the coil by considering the number of times when the level of molten steel of a mold per slab exceeds 10 mm which is measured in the measurement step, and the thickness of the coil to be produced; and a control step of changing the thickness of the coil to be produced when the predicted mixed inclusions defect index of the coil exceeds a predetermined mixed inclusions defect index of the coil.
Patent KR-20150014701-A (KR)
IPC: H01L23/48
Filed: 2013-07-30
Abstract: A semiconductor package according to the embodiment of the present invention includes a bottom package substrate which includes a wiring part and a core part which is arranged on the wiring part and includes connection buried vias and opening parts to expose the connection buried vias and a bottom semiconductor chip which is buried in the core part; and a top package which includes a top package substrate, a top semiconductor chip which is stacked on the top package substrate and solder balls which are arranged on the lower side of the top package substrate. The connection buried vias and the solder balls include inter-metal compound films which are combined with each other and are interposed between the connection buried vias and the solder balls in the opening part.
Patent KR-20150017266-A (KR)
IPC: G06Q40/02
Filed: 2013-08-06
Abstract: Disclosed are a financial service providing method and a financial system performing the same. The financial service providing method to provide a financial service in the financial system includes the steps of: displaying each set of information of financial products, which are sold by business branches of a financial institution, by branch, and opening an open market site, which provides a user interface capable of purchasing a financial product selected by a user among multiple sets of the financial product information, on the internet; registering information of financial product sold by a business branch on the open market site by receiving the information of financial product from a connected terminal of the business branch; providing the open market site to a connected user terminal; and performing a membership process of the financial product selected by the user terminal among multiple financial products displayed on the open market site.
Patent KR-20150018202-A (KR)
IPC: G03G15/00
Filed: 2013-08-09
Abstract: According to one embodiment of the present invention, provided are a print medium transferring apparatus and an image forming apparatus including the same, capable of accurately separating a specific paper with a low friction coefficient by rotating a retard roller in an opposite direction of the rotation direction of a forward roller by selectively transmitting a driving force transmitted to a driving gear which is a dual gear to a first reversing gear through a second reversing gear to accurately separate and feed various papers with different frictional forces. According to one embodiment of the present invention, the paper is accurately separated and fed by making an optimal separation state according to the paper fed with regard to various kinds of papers with different materials, thicknesses, and frictional forces by selectively connecting the second reversing gear to the driving gear.
Patent KR-20150019219-A (KR)
Title: 레귤레이터 및 이를 포함하는 디스플레이 장치
IPC: G05F1/569
Filed: 2013-08-13
Abstract: 본 발명은 입력전압을 레귤레이팅 하여 출력 노드로 출력하는 전압 공급부; 상기 전압 공급부의 출력 노드와 출력단 사이에 연결되는 메인 스위치; 및 상기 출력단으로 프리 차지 전압을 공급하는 프리 차지부; 를 포함하는 레귤레이터 및 이를 포함하는 디스플레이 장치에 관한 것이다. 본 발명에 따르면, 인러쉬 전류의 발생을 방지하여, 부하의 오동작 및 손상을 최소화할 수 있는 레귤레이터 및 이를 포함하는 디스플레이 장치를 제공할 수 있다.
Patent KR-20150019345-A (KR)
IPC: H04B1/38
Filed: 2013-08-13
Abstract: The purpose of the present invention is to provide a mobile terminal provided with a key module for preventing the mobile terminal from being arbitrarily operated as a button is pushed regardless of a user intent. The mobile terminal includes a body, and the key module mounted on the body to enable a push input. The key module includes a key button made of a conductive material, and configured to form a part of the exterior of the body, a dome key disposed to be overlapped with the key button so as to be pushed by the key button, and a sensor electrically connected to the key button so as to control signal input through the dome key by sensing a microcurrent transmitted to the key button.
Patent KR-20150022250-A (KR)
Inventor: KANG DAE HEE
IPC: G06F17/30
Filed: 2013-08-22
Abstract: Disclosed are a device for searching an image by using a time reference, a method, and a computer readable recording medium. The present invention relates to the device for searching the image by using the time reference, the method, and the computer readable recording medium capable of generating a search result for an inputted search word from a plurality of image clips for a photographing image; extracting an image clip included in time interval information and an image clip comprising an object from the search result; and generating the final search result. The present invention is provided to reduce an unnecessary search result, thereby accurately finding a useful result value required by a user.
Patent KR-20140061224-A (KR)
Title: Manufacturing equipment for manhole using various connecting pipe, manufacturing method for the same and connecting method for the manhole with a connecting pipe
Inventor: CHOE SEUNG SEON
IPC: F16L5/00
Filed: 2013-08-29
Abstract: The present invention relates to a manhole manufacturing device capable of using various kinds of connection pipes, a manufacturing method for the same, and a connection method for a connection pipe in a manhole. The manhole manufacturing device capable of using various kinds of connection pipes includes an outer mold forming the outer surface of the manhole; an inner mold forming the inner side of the manhole; and a jig for assembling a connector which is installed between the outer mold and the inner mold to form a connection hole of the manhole and fixes the connector, which is formed while one side is embedded into the manhole, while the connector is bent by being attached to the connection pipe inserted into the connection hole and preventing a fluid from being leaked.
Patent KR-20150025839-A (KR)
Inventor: CHOI HAN YOUNG
IPC: C09J133/04
Filed: 2013-08-30
Abstract: 본 발명은 점착제 조성물에 관한 것으로서, 보다 상세하게는 아크릴계 공중합체 및 하기 화학식 1 또는 화학식 2의 이온성 대전방지제를 함유함으로써, 대전방지제의 표면 이행으로 인한 들뜸, 기포 및 박리 등의 현상이 없어 내구성 및 대전방지성이 우수한 점착제 조성물에 관한 것이다. 
[화학식 1] 
     
 [화학식 2] 
   
(식 중, R 1 은 C 1 -C 12 의 지방족 탄화수소기 또는 C 6 -C 12 의 아릴기가 치환된 C 1 -C 3 의 지방족 탄화수소기이고, R 2 는 C 1 -C 20 의 지방족 탄화수소기 이고, n은 1 내지 3의 정수이며, A는 N을 포함하는 C 5 -C 8 의 지환족 탄화수소기임).