baber/WOPTO huggingface dataset:
Patent KR-20170120674-A (KR)
Title: 전기 기계
Inventor: HELANDER JOONAS
IPC: H02K7/08
Filed: 2016-03-11
Abstract: 회전자(100), 고정자(200) 및 지지 구조물(300)을 포함하는 전기 기계를 개시한다. 상기 고정자(200)는 고정자 코어(210) 및 고정자 프레임(220)을 포함한다. 상기 고정자 프레임은 축(X-X) 단부들 및 종축 방향의 측면들을 갖는다. 상기 회전자(100)는 상기 지지 구조물(300) 상에서 베어링(140, 150)으로써 지지 된다. 주철의 단부 지지 구조물(600)이 상기 고정자 프레임(220)의 각각의 단부에 제공된다. 상기 단부 지지 구조물(600)은 종축 방향의 중간 부분(610) 및 위쪽으로 연장되는 두 개의 단부 부분(620, 630)들로 형성된다. 상기 단부 지지 구조물(600)은 고정자 프레임(220)의 축(X-X) 단부들의 외곽 모서리들 사이에서 횡단 방향으로 연장된다. 상기 단부 지지 구조물(600)은 압축 조인트들로써 고정자 프레임(220)의 축(X-X) 단부와 상기 지지 구조물(300)에 부착된다.
Patent KR-20180013864-A (KR)
Title: 광전변환 소자 및 고체 촬상 장치
Inventor: HASEGAWA YUTA
IPC: H01L27/146
Filed: 2016-05-19
Abstract: 본 개시의 한 실시 형태의 광전변환 소자는, 대향 배치된 제1 전극 및 제2 전극과, 제1 전극과 제2 전극 사이에 마련됨과 함께, 서로 다른 모골격을 갖는 제1 유기 반도체 재료, 제2 유기 반도체 재료 및 제3 유기 반도체 재료를 포함하는 광전변환층을 구비한 것이고, 제1 유기 반도체 재료는, 풀러렌 또는 풀러렌 유도체이고, 제2 유기 반도체 재료는, 단층막의 상태에서의 제1 유기 반도체 재료 및 제3 유기 반도체 재료의 각 단층막보다도 가시광 영역에서의 극대 광흡수 파장의 선흡수계수가 높고, 제3 유기 반도체 재료는, 제2 유기 반도체 재료의 HOMO 준위 이상의 값을 갖는다.
Patent KR-20180002638-A (KR)
Title: 고분자 수지 필름과 이것을 구비하는 통기막, 통음막, 음향 저항체, 통기막 부재, 통음막 부재, 음향 저항체 부재 및 음향 기기, 그리고 고분자 수지 필름의 제조 방법
Inventor: MATSUO NAOYUKI
IPC: C08J9/00
Filed: 2016-04-26
Abstract: 본 개시의 고분자 수지 필름은, 두께 방향으로 연장되는 복수의 관통 구멍을 갖는다.  관통 구멍은, 수지 필름의 기질 구조를 관통하고 있다.  필름의 양쪽 주면에는 복수의 관통 구멍의 개구가 형성되어 있고, 관통 구멍은, 당해 관통 구멍이 연장되는 방향에 수직인 단면의 면적이 필름의 한쪽 주면으로부터 다른 쪽 주면에 이르기까지 변화되지 않거나, 또는 한쪽 주면으로부터 다른 쪽 주면을 향해 증가하는 형상을 갖는다.  상기 한쪽 주면에 있어서, 개구의 직경이 3㎛ 이상 80㎛ 이하이고, 개구에 의한 당해 주면의 기공률의 변동이 10％ 이하이고, 개구의 밀도(개수/㎠)의 변동이 1000개/㎠ 이하이다.  본 개시의 고분자 수지 필름은, 두께 방향으로 통기성을 갖는 고분자막이며, 통기성의 변동이 종래의 막보다 작다.
Patent KR-20170134603-A (KR)
Title: 어댑터 및 충전 제어 방법
Inventor: TIAN CHEN
IPC: H02J7/00
Filed: 2017-01-07
Abstract: 어댑터（10）와 충전 제어 방법에 있어서, 어댑터（10）는: 전력 변환 유닛（11), 샘플링 유지 유닛（12)과 전류 채집 제어 유닛(13）을 포함한다. 전력 변환 유닛(11）은 입력한 교류 전류에 대하여 전환을 행하여, 어댑터（10）의 출력 전압과 출력 전류를 얻기 위한 것이고, 어댑터（10）의 출력 전류가 제1 맥동 파형의 전류이며; 샘플링 유지 유닛（12)은 전력 변환 유닛（11)과 연결되고, 샘플링 유지 유닛（12）이 샘플링 상태에 있을 경우, 샘플링 유지 유닛(12）은 제1 맥동 파형의 전류에 대하여 샘플링을 행하기 위한 것이고; 전류 채집 제어 유닛（13）은 샘플링 유지 유닛（12）과 연결되고, 샘플링 유지 유닛（12)이 유지 상태에 있는지 여부를 판단하고, 샘플링 유지 유닛（12)이 유지 상태에 처함을 판단 할 경우, 샘플링 유지 유닛（12)이 유지하는 제1 맥동 파형의 전류의 피크값을 채집한다. 어댑터（10）는 전지의 수명을 향상할수 있다.
Patent KR-20170137863-A (KR)
Title: 코팅된 벼 종자 및 그의 제조 방법
Inventor: SUMITA TOMOKO
IPC: C09D175/04
Filed: 2016-04-14
Abstract: 코팅층을 갖는 코팅된 벼 종자로서, 상기 코팅층이 아연 옥사이드, 계면활성제, 및 하기 군 (A) 로부터 선택되는 적어도 1 종을 포함하는 코팅된 벼 종자가 제공된다. 
군 (A): 아크릴 수지, 비닐 아세테이트 수지, 우레탄 수지, 및 부타디엔 공중합체로 이루어지는 군.
Patent KR-20180013886-A (KR)
Title: 이산화염소 발생용 유닛 및 이산화염소 발생 장치
Inventor: MATSUBARA KAZUKI
IPC: C01B11/02
Filed: 2016-05-31
Abstract: [과제] 소형이면서, 실용적으로 충분한 양의 이산화염소를, 장시간에 걸쳐 방출할 수 있는 이산화염소 발생용 유닛을 제공한다.   
[해결 수단] 이산화염소 발생용 유닛으로서, 상기 유닛은 약제 수납부, 및 적어도 2개의 광원부를 구비하고, 상기 광원부는 실질적으로 가시 영역의 파장으로 이루어지는 광을 발생시키기 위한 것이며, 상기 약제 수납부에는 고형의 아염소산염을 함유하는 약제가 수납되어 있고, 상기 약제 수납부에는 상기 약제 수납부의 내부와 외부를 에어가 이동할 수 있도록 하나 또는 복수의 개구부가 구비되어 있고, 상기 약제 수납부의 상기 하나 또는 복수의 개구부는 통기성 시트로 덮여 있고, 여기서, 상기 약제 수납부의 내부에 존재하는 상기 약제가, 상기 광원부로부터 발생되는 상기 광에 의해 조사됨으로써, 이산화염소 가스가 발생하는 것을 특징으로 하는, 이산화염소 발생용 유닛을 제공한다.
Patent KR-20170135979-A (KR)
Title: 다수의 장치를 갖는 인터랙티브 미디어 안내 시스템
Inventor: ELLIS MICHAEL D
IPC: H04N21/4788
Filed: 2006-12-08
Abstract: 사용자 기기 장치(user equipment device) 상에 구현되는 인터랙티브 미디어(interactive media) 안내 애플리케이션은 사용자가 서로 다른 홈 또는 홈 네트워크 내에 위치될 수 있는 사용자 기기 장치의 그룹을 생성할 수 있게 해줄 수 있다. 인터랙티브 미디어 안내 애플리케이션은 사용자가 사용자의 홈 내에 위치되어 있는 사용자 기기 장치를 추가할 수 있게 해줄 수 있다. 인터랙티브 미디어 안내 애플리케이션은 또한 사용자가 다른 홈 또는 홈 네트워크 내에 위치된 사용자 기기 장치를 그룹에 참여하도록 초대하거나, 그룹에 참여하려는 다른 홈 또는 홈 네트워크 내에 위치된 사용자 기기 장치로부터의 요청을 수락할 수 있게 해줄 수 있다. 그룹 내의 사용자 기기 장치 상에 구현되는 인터랙티브 미디어 안내 애플리케이션은 사용자가 저장될 콘텐츠를 선택할 수 있게 해줄 수 있다. 콘텐츠는 그룹 내의 사용자 기기 장치와 공유될 수 있다.
Patent KR-20180006456-A (KR)
Title: 로크 배열체를 포함하는 로드 캐리어
Inventor: TUEYLUECE ABDURRAHMAN
IPC: B60R9/055
Filed: 2016-07-01
Abstract: 본 발명은 로드 캐리어(1) 그리고 로드 캐리어를 동작시키는 방법에 관한 것이다.  로드 캐리어(1)는 기부(3) 및 리드(4)를 포함하고, 로드 캐리어(1)는 기부(3) 및/또는 리드(4) 상에 배열되어 리드(4)를 기부(3)에 로킹하는 로크 배열체(10)를 포함한다.  로크 배열체(10)는 로킹된 위치와 로킹해제된 위치 사이에서 동작가능한 제1 및 제2 변위가능 로크 요소(40)를 적어도 포함한다.  제1 및 제2 로크 요소(40)는 로킹된 위치에 위치될 때에 대향하는 기부(3) 또는 리드(4) 상에 배열되는 제1 및 제2 로크 부재(41)와 각각 결합하도록 배열된다.  로크 배열체(10)는 제1 및 제2 로크 요소(40)와 공동 협력하는 긴 작동 요소(30)를 추가로 포함한다.  작동기(20)가 긴 작동 요소(30)를 로킹된 위치로부터 제1 위치로 변위시키고 그에 의해 제1 및 제2 로크 요소(40)를 로킹된 위치로부터 로킹해제된 위치로 변위시키도록 배열된다.  제1 로크 요소(40) 및 제2 로크 요소(40)는 긴 작동 요소(30)에 연결되고 그에 따라 그것들은 로킹해제된 위치로부터 로킹된 위치로 순차적으로 변위될 수 있다.
Patent KR-20180004843-A (KR)
Inventor: LEE JUNG A
IPC: G06Q10/08
Filed: 2018-01-02
Abstract: An embodiment of the present invention provides an on-demand delivery method comprising: a step in which an overnight delivery terminal positioned at a common gathering place provides a goods gathering notice message to a deliverer terminal when goods are gathered at the common gathering place positioned at each area; a step in which the overnight delivery terminal generates and outputs an identification code to be attached to the goods when the goods are loaded on a delivery transportation vehicle of a deliverer; and a step in which the deliverer terminal displays the goods gathering notice message to get the deliverer to load the goods on the delivery transportation vehicle at the common gathering place and provides information on transportation of the goods to an orderer terminal by linking with a position recognition module of the delivery transportation vehicle during the delivery of the goods. Therefore, the present invention enables a user to receive the goods at a desired time, thereby enhancing user convenience.
Patent KR-20190086612-A (KR)
Title: Heater device of electric vehicle
Inventor: LEE KI SUNG
IPC: B60H1/22
Filed: 2018-01-12
Abstract: The present invention relates to a heater device of an electric vehicle. The heater device of an electric vehicle comprises: a circulation pump for circulating supplied water; a heating element for heating the circulated water; a water temperature sensor for measuring the temperature of the water heated by the heating element; a supply joint for distributing the water heated by the heating element to a plurality of heaters for supplying the hot water into a vehicle; an inflow joint for collecting cold water cooled by the plurality of heaters and feeding back the collected cold water to the circulation pump; a controller for controlling the heating element for the temperature measured by the water temperature sensor to satisfy a set temperature value; and a power supply unit for supplying electricity to a resistor. In addition, a heat exchange portion is provided with the plurality of heating elements, and provided with a heat exchange pipe portion surrounding the plurality of heating elements.
Patent KR-20180085366-A (KR)
Inventor: KWON JOONG HAK
IPC: A24B15/16
Filed: 2018-01-18
Abstract: The present disclosure relates to a fine particle generating apparatus which comprises: a power storage device; a heater generating heat by receiving electricity from the power storage device; and an electronic circuit connecting the power storage device and the heater. Additionally, disclosed is a fine particle device including an at least a portion of which is formed of a single crystal material where at least a portion of which is formed of a single crystal material.
Patent KR-20190092932-A (KR)
Title: Moving object detection method in real-time using FMCW Radar
Inventor: KYUNG SIK SEO
IPC: G01S7/35
Filed: 2018-01-31
Abstract: The present invention relates to a moving target detection technique, and more specifically, to a real-time moving target detection method using a frequency modulated continuous wave radar for detecting a moving target in real time by using robust principal component analysis (RPCA) through gradient descents, which comprises: a step of collecting input data by extracting fast Fourier transform (FFT) information from a reflection signal received to the frequency modulated continuous wave radar in a detection area; a preprocessing step of performing compensation and correction on the collected input data; a step of modeling a lower noise background by using RPCA through gradient descents in order to separate a noise background and foreground moving objects corresponding to a moving target with respect to the preprocessed data; and a step of detecting a position of the foreground moving objects without noise by performing automatic multiscale-based peak detection (AMPD) after applying the RPCA.
Patent KR-20190092942-A (KR)
Inventor: KIM DO YOUN
IPC: A61B5/12
Filed: 2018-01-31
Abstract: An apparatus for diagnosing tinnitus considering age according to an embodiment of the present invention includes an input part for receiving the age of a subject, a stimulus sound determination part for determining the amplitude of background noise and the duration of silent gap to be used for a tinnitus test based on the age of the subject, a stimulus sound generation part which includes a first stimulus sound including pulse noise generated while the background sound continues, and a second stimulus sound including pulse noise that occurs while the background sound continues after the background sound continues and the silence gap is as long as the duration, a GPI ratio measuring part which measures a gap pre-pulse inhibition (GPI) ratio which is a ratio of a first amplitude between poles of an auditory evoked potential waveform of the subject according to a first stimulus sound to a second amplitude between poles of an auditory evoked potential waveform of the subject according to a second stimulus sound, and a determination part for determining whether the subject has tinnitus by comparing the GPI ratio and the normal GPI ratio for each age corresponding to the age of the subject.
Patent KR-20190093065-A (KR)
Title: Multifunction card payment terminal
Inventor: LEE TAE SUOK
IPC: G06Q20/34
Filed: 2018-01-31
Abstract: Provided is a multifunctional card payment terminal capable of fundamentally preventing errors from occurring in card payment or receipt printing. To achieve the purpose, the multifunctional card payment terminal includes: a main body forming the body of a terminal; a keypad unit placed on the upper surface of the main body to input payment information; and a display unit placed in front of the keypad unit on the upper surface of the main body to output an image of the inputted payment information.
Patent KR-20180090745-A (KR)
Inventor: KIM KWANG SOO
IPC: G08B25/14
Filed: 2018-02-01
Abstract: The present invention relates to a train access warning system. More specifically, the present invention relates to a train access warning system which enables to make an operator efficiently recognize access of a train. According to an embodiment of the present invention, the train access warning system comprises: an access detecting part located in a track operation area, and obtaining vibration data by using a vibration sensor; a server analyzing the vibration data obtained by the access detecting part, matching a characteristic pattern for train entry with pre-stored data, and calculating train access information; and an access warning part outputting a warning signal according to the train access information calculated by the server. The server matches the vibration data with pre-stored learning data and transmits an evacuation notice providing command signal to the access warning part according to the matched result.
Patent KR-20190094889-A (KR)
Title: Tire with qr code embeded for overall production management and method for overall production management using qr code embeded tire
Inventor: KIM BYUNG LIP
IPC: B23K26/359
Filed: 2018-02-06
Abstract: The present invention relates to a tire with a QR code embedded for overall production management and a method for overall production management using a QR code embedded tire, wherein a QR code is imprinted to have an embossed portion and an intaglio portion by a laser marker in a portion on a surface of the tire, and the embossed portion of the QR code is colored in a preset color. The intaglio portion of the QR code is not colored and has the same color as the outer surface color of the tire, and colors of the embossed portion and the intaglio portion can be distinguished when being reflected by a camera of an electric device. Therefore, in case of production of a tire, a history of each process is stored in a database computer network, and through a QR codes, a consumer can check contents stored in the database computer network.
Patent KR-20180101274-A (KR)
Inventor: BOTHO HOFFMANN
IPC: C08L77/06
Filed: 2018-03-05
Abstract: The present invention relates to an amorphous or microcrystalline copolyamide comprising at least following monomers: (a) at least one alicyclic diamine; (b) 0.25-4.4 mol% of at least one dimer fatty acid; at least one aromatic dicarboxylic acid selected from a group consisting of isophthalic acid, terephthalic acid and naphthalene dicarboxylic acid; and (d) 0-37.75 mol% of at least one aliphatic dicarboxylic acid. The total of the monomers (b), (c) and optionally the monomer (d) is 50 mol% in total, and the sum of the molar ratios of all the monomers present in the copolyamide (A) is 100 mol% in total. The present invention also relates to a molding compound comprising a copolyamide (A), a molded article manufactured therefrom and uses thereof.
Patent KR-20190106199-A (KR)
Title: Compact optical system
Inventor: CHOI DO KWON
IPC: G02B9/62
Filed: 2018-03-08
Abstract: The present invention relates to a compact optical system. The compact optical system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens installed in the order listed from a subject side towards an image sensor. The first lens has a positive (+) refractive index and consists of a lens convex towards the subject. The second lens has a negative (-) refractive index and consists of a lens concave towards the image sensor. The third lens has a positive (+) refractive index and consists of a lens convex towards the subject. The fifth lens includes a fifth incident surface towards the subject and a fifth exit surface towards the image sensor, and at least one of the fifth incident surface and the fifth exit surface forms a plane on an optical axis. The sixth lens includes a sixth exit surface towards the image sensor and consists of a lens whose both surfaces are non-spherical, and the sixth exit surface is concave towards the image sensor. When the distance from a first incident surface of the first lens to the image sensor is TTL, the focal distance of the optical system is f, and the focal distance of the first lens is f1, the conditional expressions, 0.5 < f1/f < 1.5, and TTL/f < 1.4, are satisfied with respect to the focal distances.
Patent KR-20190055685-A (KR)
Title: Blue host material, organic electroluminescence device and application thereof
Inventor: KIM JIN WOO
IPC: H01L51/50
Filed: 2018-03-12
Abstract: The present invention relates to a light emitting material and, more specifically, to a blue host or dopant material, and an organic electroluminescent device and an application thereof. According to the present invention, the blue host or dopant material is expressed by chemical formula, wherein R_1 is a hydrogen or a derivative of a phenyl, pyridine, naphthalene, phenanthrene, anthracene, phenanthridine, biphenyl, pyridinyl, or triazinyl group, R_2 is a hydrogen, alkyl or phenyl with a straight or branch chain of C1 to C20, or a derivative of a pyridine, naphthalene, phenanthrene, anthracene, phenanthridine, biphenyl, pyridinyl, or triazinyl group, R_3 is a hydrogen or a derivative of a phenyl, pyridine, naphthalene, phenanthrene, anthracene, phenanthridine, biphenyl, pyridinyl, pyrimidinyl, or triazinyl group, and R_4 is a hydrogen, alkyl or phenyl with a straight or branch chain of C1 to C20, or a derivative of a pyridine, naphthalene, phenanthrene, anthracene, phenanthridine, biphenyl, pyridinyl, pyrimidinyl, or triazinyl group. Accordingly, when such compound is applied to a light emitting device, light emitting efficiency and lifetime of the device can be increased.
Patent KR-20180111669-A (KR)
Title: Organic-inorganic composite particles and cosmetic product
Inventor: WATANABE SATOSHI
IPC: A61K8/25
Filed: 2018-03-30
Abstract: An objective of the present invention is to provide an organic-inorganic composite particle having a spherical shape and good biodegradability. The organic-inorganic composite particle of the present invention contains silica components and biodegradable plastic. The organic-inorganic composite particle exhibits the average particle diameter (d1) of 0.5 to 25 μm, the real specific gravity of more than 1.0 to 2.0 g/cm^3, and the contact angle to water less than 90°. A cosmetic composition containing the organic-inorganic composite particle having such properties has excellent texture characteristics.
Patent KR-20190115180-A (KR)
Title: Parking assistance system and method for improving detection performance of ultrasonic sensor thereof
Inventor: LEE TAE HO
IPC: B60R21/013
Filed: 2018-04-02
Abstract: According to the present invention, provided is a parking assistance system of a vehicle which comprises: an ultrasonic sensor detecting an object by outputting ultrasonic waves to a first detection section and a second detection section set after the first detection section; a memory storing a program for detecting an object based on information sensed by the ultrasonic sensor; and a processor executing a program stored in the memory. As the processor executes the program, the processor determines the authenticity of the received waves to the ultrasonic sensor based on whether the object is detected in the first detection section or the second detection section.
Patent KR-20180113177-A (KR)
Title: Method for manufacturing photomask blank
Inventor: KISHITA TAKAHIRO
IPC: G03F7/20
Filed: 2018-04-04
Abstract: Provided is a method for producing a photomask blank, capable of reducing risks of having defects in penetrable pinholes on a hard mask film, taking place during a washing process. To this end, the method for producing the photomask blank is to form a pattern formation film on a substrate having transparency with respect to exposure light and to form the hard mask film with thickness T on the pattern formation film. In order to form the hard mask film, the method comprises the following processes: growing a thin film having thickness smaller than the thickness T of the hard mask film; and repeating a process of removing foreign substances on the thin film by washing twice or more, so as to form the hard mask film with thickness T.
Patent KR-20190118277-A (KR)
Inventor: LEE KI YONG
IPC: A46B11/00
Filed: 2018-04-10
Abstract: The present invention relates to a toothbrush, which comprises: a head unit having bristles arranged in the mouth for brushing teeth to keep the teeth clean; a neck unit extending to the rear of the head unit to form a predetermined inclination angle and determining the brushing angle of the bristles; and a handle unit formed extending to the rear of the neck unit. The bristles have an inclined form in which the height gradually decreases from the tip to the rear. The neck unit is bent in the range of 135 to 165° based on the handle unit. By providing such a toothbrush, the surface of the teeth can be kept clean during the brushing process, and in particular, the foreign matter caught inside the teeth or between the inside of the molar teeth can be effectively removed.
Patent KR-20190120545-A (KR)
Title: Spine correcting and traction device
Inventor: YANG JAE LAK
IPC: A61H9/00
Filed: 2018-04-16
Abstract: The present invention relates to a spine correcting and pulling device capable of correcting a spine and obtaining a treatment effect, which comprises: a first supporter frame (2); a first semi-circular frame (3); a first bed (4); a first slide frame (5); a second supporter frame (6); a second bed (7); a second slide frame (8); a second semi-circular frame (9); and a third bed (10).
Patent KR-20180126373-A (KR)
Title: Composition for skin whitening
Inventor: KIM WOO KEUN
IPC: A61Q19/02
Filed: 2018-05-11
Abstract: The present invention relates to a composition for skin whitening which suppresses the gene expression of tyrosinase, tyrosinase-related protein 1 (TRP 1), tyrosinase-related protein 2 (TRP 2), or microphthalmia-associated transcription factor (MITF), and thus ultimately inhibits the biosynthesis of melanin. Also, the composition of the present invention has low cytotoxicity to ensure safety, causes less side effects, and has an excellent antioxidant effect, thereby being useful as a composition for skin whitening. The composition for skin whitening of the present invention contains a compound represented by chemical formula 1, or pharmaceutically acceptable salt as an effective component.
Patent KR-20190134247-A (KR)
Title: Brainwave Analyzing Method for Improving Athletic Performance, and Media Recorded with Program Executing Brainwave Analyzing Method for Improving Athletic Performance
Inventor: HONG SUNG HO
IPC: A61B5/00
Filed: 2018-05-25
Abstract: Disclosed are a method for analyzing brainwave for improving athletic performance of an athlete, and a recording medium in which a program for executing the method for analyzing brainwave for improving athletic performance of an athlete is recorded. The method is implemented through processes of receiving brainwave data of a user doing exercise from a brainwave measurer, comparing the brainwave data of the user and predetermined reference data, and generating an alarm signal based on a comparison result of the brainwave data of the user and predetermined reference data by a user terminal. According to the present invention, in mental sports events such as golf and archery, mental training may be performed to induce an athlete to perform an impact motion in a relaxed and concentrated state.
Patent KR-20190135605-A (KR)
Title: Conversion of tetrahydroquinoline derivatives to quinoline using azocompound
Inventor: JINHO KIM
IPC: A61K31/47
Filed: 2018-05-29
Abstract: The present invention relates to a method of converting tetrahydroquinoline derivatives into quinoline using an azo compound and, more specifically, to a conversion method which is performed in a deuterium chloroform (CDCl_3) or chloroform (CHCl_3) solution including dialkyl azodicarboxylate, which is a method of producing quinoline through a dehydrogenation reaction of 1,2,3,4-tetrahydroquinoline. According to the present invention, a dehydrogenation reaction rate is dependent on the electronic and steric properties of used dialkyl azodicarboxylate; and chloroform shows better results than other substances in solvents screened with diethyl azodicarboxylate. Various types of 1,2,3,4-tetrahydroquinoline undergo the dehydration reaction of the present invention to produce the corresponding quinoline in a yield of at least 90%; and diethyl hydrazo dicarboxylate, which is a reduced form of diethyl azodicarboxylate, is readily separated and recyclable.
Patent KR-20190136307-A (KR)
Title: hinge apparatus for molded parts
Inventor: SUYEOUN LEE
IPC: B29C45/17
Filed: 2018-05-30
Abstract: The present invention relates to a hinge device for an injection product. A first portion (10) and a second portion (20) to be rotatable with each other are integrally connected by a hinge body (30). A first protrusion (34) and a first recessed portion (35) are alternately formed on a first surface (33), which is one surface of the hinge body (30), a second recessed portion (37) to correspond to the first protrusion (34) and a second protrusion (36) to correspond to the first recessed portion (35) are in a second surface (33′), which is the other surface. The hinge body (30) is integrally connected to the first portion (10) by a first connecting portion (31) of one end portion and is integrally connected with a second part (20) by a second connection part (32) of the other end portion.