baber/WOPTO huggingface dataset:
Patent KR-20180114055-A (KR)
Title: 내마모성 복합 재료, 야금로를 위한 냉각 요소의 응용 및 그 제조 방법
Inventor: JASTRZEBSKI MACIEJ URBAN
IPC: F27B1/24
Filed: 2017-02-17
Abstract: 제 1 금속으로 이루어진 본체를 갖는 스타브 냉각기 또는 송풍 냉각기와 같은 야금로 냉각 요소의 작용면에 대한 내마모성 재료. 상기 내마모성 재료는 제 2 금속의 매트릭스보다 더 큰 경도를 갖는 제 2 금속의 매트릭스로 침투된 실질적으로 반복적이고 엔지니어링된 형상으로 배열된 내마모성 입자를 포함하는 매크로-복합 재료를 포함한다. 야금용 냉각 요소는 제 1 금속으로 구성된 본체를 가지며, 본체는 내마모성 재료를 포함하는 대면층을 갖는다. 방법은 대면층을 형성하도록 주형 캐비티의 영역 내에 배치된 엔지니어링된 형상의 주형 캐비티 내의 내마모성 입자의 엔지니어링된 구조를 위치시키는 단계; 상기 냉각 요소 본체의 제 1 금속을 포함하는 용융된 금속을 캐비티 내부로 도입하는 단계를 포함한다.
Patent KR-20180132628-A (KR)
Title: 활성 에너지선 경화형 접착제 조성물, 적층 편광 필름 및 그 제조 방법, 적층 광학 필름 및 화상 표시 장치
Inventor: OKAMOTO MASAYUKI
IPC: C09J133/26
Filed: 2017-03-06
Abstract: 적어도 라디칼 중합성 화합물을 함유하는 활성 에너지선 경화형 접착제 조성물로서, 라디칼 중합성 화합물은, 옥탄올/물 분배 계수를 나타내는 logPow 가 ―2 ∼ 2 인 A 성분과, logPow 가 7 보다 큰 B 성분을 함유하는 것을 특징으로 하는 활성 에너지선 경화형 접착제 조성물.     A 성분은, (메트)아크릴아미드 유도체, 아미노기 함유 모노머, 및 함질소 복소 고리 함유 비닐 모노머로 이루어지는 군에서 선택되는 적어도 1 종의 질소 함유 모노머를 함유하는 것이 바람직하고, B 성분은, 탄소수 18 ∼ 20 의 알킬(메트)아크릴레이트를 함유하는 것이 바람직하다.
Patent KR-20180118675-A (KR)
Title: 통신 인터페이스, 그리고 통신 인터페이스의 작동 방법
Inventor: SIELAND DIRK
IPC: H04L25/49
Filed: 2017-01-27
Abstract: 본 발명은 자동차에서 제어 유닛과, 전기 부하 유닛, 특히 펌프 모터를 포함한 부하 유닛 간의 통신 인터페이스에 관한 것이며, 제어 유닛은 송신기 및/또는 수신기로서 구성되고, 부하 유닛은 수신기 및/또는 송신기로서 구성되며, 송신기와 수신기 간의 통신은 신호 라인을 통해 펄스폭 변조 신호에 의해 수행된다.  이 경우, 신호 라인은 정전류원과 연결되며, 그리고 송신기는 펄스폭 변조를 이용하여 신호 라인을 통해 흐르는 전류 흐름을 변조하도록 구성된다.  또한, 본 발명은 상기 통신 인터페이스의 작동을 위한 방법에도 관한 것이다.
Patent KR-20180115299-A (KR)
Title: 계측 데이터에 대한 기여도들의 분리
Inventor: TEL WIM TJIBBO
IPC: G03F7/20
Filed: 2017-02-17
Abstract: 기판 상의 제1변수의 지문(fingerprint)과 상기 제1변수의 특정 값을 조합함으로써 패터닝 프로세스에 의해 프로세싱되는 기판의 또는 기판을 위한 패턴의 제1변수의 값을 계산하는 단계; 및 상기 제1변수의 상기 계산된 값에 적어도 부분적으로 기초하여 상기 패턴의 제2변수의 값을 결정하는 단계를 포함하는, 방법.
Patent KR-20190002440-A (KR)
Title: 자원 할당 방법, 장비 및 시스템
Inventor: TANG HAI
IPC: H04W76/36
Filed: 2016-05-06
Abstract: 본 발명은 자원 할당 방법, 장비 및 시스템을 제공한다. 상기 방법은 네트워크 측 장비가 단말 서비스 예측 정보에 따라, 후속 서비스를 처리하는 네트워크 자원을 단말 장비에 사전에 할당하는 단계를 포함한다. 본 발명의 실시예에 따른 자원 할당 방법, 장비 및 시스템은, 단말기가 네트워크 측 장비에 의해 사전에 할당된 네트워크 자원에 따라 후속 서비스를 처리하는 것을 구현하고, 처리 효율 및 응답 속도를 향상시킨다.
Patent KR-20190003507-A (KR)
Title: 유리질 세라믹 물품
Inventor: ROUX NICOLAS
IPC: A47B77/08
Filed: 2017-04-24
Abstract: 본 발명은, 적어도 하나의 유리질 세라믹 판 및 그 동작을 위한 요소로 형성된, 특히 조리대 또는 가구의 물품에 관한 것으로서, 요소 중 적어도 하나는 회로 차단기에 커플링된 가동형의 2-차원적 또는 3-차원적 지지부 상에 배치되며, 그에 따라, 지지부가 제1 위치에 있을 때, 요소는 판으로부터 10 cm 이하의 거리에서 판의 하나의 면에 대면되고 활성화될 수 있으며, 그리고, 지지부의 제2 위치에서, 지지부의 단부 중 적어도 하나가 판에 대해서 그리고 판에 수직으로, 적어도 2 mm의 거리 만큼 이동되거나 그 거리에 놓이고, 그리고 제1 위치에 대해서 적어도 5 cm의 거리만큼 이동되거나 그 거리에 놓이고, 요소는 비활성화된다.
Patent KR-20190003532-A (KR)
Title: 경보 시스템을 구비한 물품
Inventor: KIMURA Tasuku
IPC: A41D13/00
Filed: 2017-04-10
Abstract: 과제는, 안정성, 작업성, 편리성을 확보하면서, 건조물내에서의 위치 정보를 검지하고, 열사병 등의 생명에 관한 위험을 검지하고, 경보하는 것이 가능하고, 경보 시스템을 구비한 방호 장비 물품을 제공하는 것이며, 해결 수단은, 경보 시스템을 구비한 물품으로서, 상기 경보 시스템이 위치 정보 센서와, 3축 가속도 센서 또는 자이로 센서 또는 지자기 센서 또는 그의 조합과, 상기 센서로부터 발해지는 정보로부터 위치를 자율 추정가능한 수단 등을 포함하는 경보 시스템을 구비한 물품이다.
Patent KR-20180123578-A (KR)
Title: 생분해성 폴리아미드 섬유, 그러한 섬유를 수득하기 위한 방법 및 그로부터 제조되는 폴리아미드 물품
Inventor: REDONDO BONALDI RENATA
IPC: C08L77/06
Filed: 2016-04-04
Abstract: 본 발명은 생분해성 폴리아미드 섬유에 관한 것이다. 본 발명은 또한 그러한 섬유를 수득하기 위한 방법 및 그로부터 제조되는 물품을 개시한다. 본 발명의 생분해성 폴리아미드 섬유는 하기에 기재된 특정 폴리아미드의 용융-방사 압출 동안 생분해제를 첨가함으로써 수득될 수 있다.
Patent KR-20190008299-A (KR)
Title: 피부 화장료
Inventor: MATSUO MASAKI
IPC: A61K8/34
Filed: 2018-03-07
Abstract: 본 발명은, 비이온 계면활성제(성분 A), 탄소수 5∼10의 1,2-알칸디올 및 페녹시에탄올로 이루어지는 군으로부터 선택되는 1종 이상의 화합물(성분 B), 디프로필렌글리콜(성분 C), 미리스토일 글루타민산염(성분 D) 및 물(성분 E)을 함유하는, 피부 화장료에 관한 것이다.
Patent KR-20190040136-A (KR)
Title: 승객 또는 화물 수송용 자율 조종 항공기
Inventor: LYASOFF RODIN
IPC: B64C25/32
Filed: 2017-02-16
Abstract: 본 개시 내용은 비교적 긴 범위에 걸쳐 화물 수송 및 승객 수송을 위해 작동하기에 안전하고, 저소음이며, 비용 효과적인 자율 조종형 전기 수직 이륙 및 착륙(VTOL) 항공기에 관한 것이다.  VTOL 항공기는 프로펠러 중복성을 제공하기 위해 각 날개에 하나 이상의 프로펠러가 장착된 탠덤 날개 구성을 가지므로 프로펠러 또는 다른 비행 제어 장치의 고장시 충분한 추진력 및 제어가 유지될 수 있다.  이러한 배열은 프로펠러가 전기적으로 구동될 수 있도록 하면서 비교적 낮은 블레이드 속도로 충분한 추력을 제공할 수 있어서 소음을 줄이는 데 도움이 된다.  또한, 항공기는 요잉, 피치 및 롤에 대한 중복 제어 기능을 갖춘 효율적인 비행 동작을 위해 공기역학적으로 설계된다.
Patent KR-20190026683-A (KR)
Title: 기계 가공용 지그 및 가공 방법
Inventor: KIGUCHI Hirofumi
IPC: B23F5/20
Filed: 2017-06-26
Abstract: 통형부의 외주에, 직경 방향으로 돌출하며 그리고 둘레 방향에 교차하여 연장되는, 돌출부(突條: ridge)를 갖는 가공 소재에, 공구로 기계 가공을 실시할 때에, 상기 공구에 대하여 상기 가공 소재를 유지하는 기계 가공용 지그로서, 상기 가공 소재의 외주에 배치되는 통형의 본체부와, 상기 본체부로부터 내방으로 돌출하며 그리고 상기 돌출부의 표면 중 상기 공구가 상기 돌출부의 가공 부분으로부터 빠져나오는 측의 면을 접촉하여 정지시키는 접촉정지부를 갖는, 유지 지그, 및 상기 유지 지그와 동축이며 그리고 상기 유지 지그가 고정되는, 동축 받침대를 구비하는 것인, 기계 가공용 지그.
Patent KR-20200084155-A (KR)
Inventor: YeonJung Kim
IPC: F24F11/88
Filed: 2019-01-02
Abstract: The present invention relates to a power converting device and an air conditioner having the same. According to an embodiment of the present invention, the power converting device comprises: a rectification unit having a plurality of switching elements and rectifying a three-phase input alternating current (AC) power source; an N-phase connection element having one end connected to a neural line of the input AC power source; and a first capacitor connected between the other end of the N-phase connection element and a grounding terminal. Lower-arm switching elements among the plurality of switching elements provided in the rectification unit can be connected to the grounding terminal. Accordingly, the grounding terminal of compositions provided in the power converting device is unified and different voltages can be generated. Other various embodiments of the present invention are possible.
Patent KR-20200086055-A (KR)
Inventor: JUNG HYUN WOO
IPC: E06B3/46
Filed: 2019-01-08
Abstract: The present invention relates to a door device for an injection molding machine, which comprises: a door frame forming an accommodation space for accommodating an injection molding machine; a door installed to be movable along an opening and closing direction with respect to the door frame to open a connection passage connecting the outside and the accommodation space or close the connection passage; and a vertical alignment unit for aligning the position of the door with respect to the door frame based on a vertical direction perpendicular to the opening and closing direction.
Patent KR-20200086403-A (KR)
Title: Post for sunlight power
Inventor: JEONG BOK YONG
IPC: H02S20/30
Filed: 2019-01-08
Abstract: The present invention provides a post for a solar power generation module which does not require a fixing flange and a concrete anchor, and can be easily installed by driving. The post for a solar power generation module is made of a corrosion-resistant band steel material, is bent in a ㄷ shape, and has outward wings integrally formed at open ends of both sides extending out from a base unit at the same length to increase a ground friction force.
Patent KR-20200092692-A (KR)
Title: Composition for hangover cures
Inventor: AN YUANJI
IPC: A23L33/105
Filed: 2019-01-25
Abstract: The present invention relates to a composition for relieving a hangover, and more specifically, to a composition for relieving a hangover comprising a variety of medicinal materials and natural physiologically active substances in a concentrate extract of Hovenia dulcis fruit. The composition for relieving a hangover of the present invention contains various herbal medicines and vegetable physiologically active ingredients based on the concentrate extract of Hovenia dulcis fruit which is effective in relieving a hangover, thereby having an excellent effect of relieving a hangover, and is a very useful invention in the health functional food industry because the composition can be easily prepared and taken in a liquid or pill form.
Patent KR-20200092734-A (KR)
Title: Temperature sensing system using infrared rays
Inventor: KIM NAM HOON
IPC: G01J5/08
Filed: 2019-01-25
Abstract: An objective of the present invention is to provide an infrared temperature sensing system capable of accurately measuring the temperature of a temperature measurement target regardless of noise existing around an infrared ray temperature sensor. The infrared temperature sensing system comprises a first infrared sensing structure, a second infrared sensing structure, and a controller. The first infrared sensing structure includes: an infrared condensing lens to condense an infrared ray emitted by a temperature measurement target; an infrared passing filter allowing the infrared ray to pass therethrough; and a first infrared temperature sensor to generate a first output signal based on noise existing around the infrared ray. The second infrared sensing structure is positioned adjacent to the first infrared sensing structure and includes: a second infrared temperature sensor identical to the first infrared temperature sensor and generating a second output signal based only on the noise; and an infrared blocking filter to block the entry of the infrared ray into the second infrared temperature sensor. The controller generates a noise error signal corresponding to the difference between the first output signal and the second output signal when the infrared ray does not exist, generates a temperature signal corresponding to the difference between the first output signal and the second output signal when the infrared ray exits, and generates a final temperature signal by removing the noise error signal from the temperature signal.
Patent KR-20190093523-A (KR)
Title: Structure for adjusting shutting off
Inventor: JANG EUN SIM
IPC: E06B7/16
Filed: 2019-02-01
Abstract: The present invention provides a structure which comprises: a shutting off adjusting unit blocking or securing a portion or the whole of a gap in the inside or the outside of the gap formed between a first object and a second object by interaction with the second object of the first object, or adjusting exchange between spaces through the gap at a position coming in contact with or spaced from the gap; and a connection unit connecting the shutting off adjusting unit to the first object, the second object, or both of the first object and the second object.
Patent KR-20200099292-A (KR)
Inventor: LEE SUNG BOK
IPC: G04C23/04
Filed: 2019-02-14
Abstract: The present invention relates to a decorative member for a bezel of a wearable apparatus. More specifically, the decorative member for the bezel of the wearable apparatus of the present invention includes: a decorative unit disposed on the top of the bezel coupled to an upper part of a case of the wearable apparatus; and an adhesive unit disposed on the lower surface of the decorative unit and coupling the decorative unit to the bezel. An inner bent unit bent downward is formed at one side end of the decorative unit. Therefore, it is possible to change a design of the wearable apparatus easily and simply, and a user can easily find a coupling position of the decorative unit at once.
Patent KR-20200108987-A (KR)
Title: Method of manufacturing jam using persimmon
Inventor: SONG NAK HO
IPC: A23L5/00
Filed: 2019-03-12
Abstract: The present invention relates to a jam manufacturing method using semi-dried persimmons, in which semi-dried persimmons obtained by semi-drying peeled persimmons and pulverized mulberry and aronia are mixed, followed by heating and extruding, to remove tannins and provide functionality to benefit health. The present invention can obtain jam by mixing 20-40 wt% of semi-dried persimmons with seeds removed, 20-40 wt% of pulverized mulberry, and 20-40 wt% of pulverized aronia, and sterilizing and extruding the mixture with an extruder maintaining the temperature at 100-150°C. The jam manufacturing method using persimmons in the present invention includes: a) a pretreatment step of removing dirt, microorganisms, foreign substances, etc. adhering to the surface by washing fresh persimmons, fresh mulberry and fresh aronia two to four times with clean water; b) a step of pulverizing mulberry and aronia; c) a peeling step of peeling the raw persimmons using a fruit peeler; d) a drying step of putting the peeled persimmons into a dryer and drying into a semi-dried state; e) a step of removing inner persimmon seeds and stalk by cutting the semi-dried persimmons; f) a step of mixing the semi-dried persimmons with mulberry and aronia; and g) an extrusion and sterilization step of putting the mixture into the extruder and extruding under pressure to obtain jam. The present invention may further include a weighing and packaging step after the extrusion and sterilization step.
Patent KR-20190108068-A (KR)
Title: Use of tubing as temperature control tubing
Inventor: ZIMMER WERNER
IPC: F16L11/20
Filed: 2019-03-12
Abstract: Tubing (1) through which a temperature control medium passes is used as temperature control tubing (1) of a vehicle. The tubing has a layer structure as follows from the outside to the inside: at least one outer layer of polyolefin; a first adhesive layer; at least one barrier layer of polyamide; a second adhesive layer; and at least one inner layer of polyolefin. The total wall thickness of the tubing is within 0.5 to 3.5 mm. Figure 1 is also presented.
Patent KR-20200109127-A (KR)
Title: Battery module and method of manufacturing the same
Inventor: CHO YOUNG BUM
IPC: H01M50/595
Filed: 2019-03-12
Abstract: According to an embodiment of the present invention, provided is a battery module which can increase reliability for adhesion. The battery module comprises: a battery cell stack in which a plurality of battery cells are stacked; a bus bar frame connected to the battery cell stack; cell terraces each protruding from the battery cells adjacent to each other among the battery cells included in the battery cell stack; electrode leads each protruding from the cell terraces; and an insulation adhesive layer located between the electrode leads adjacent to each other among the electrode leads and covering a boundary portion of the cell terrace and the electrode lead. The insulation adhesive layer is in close contact with a step portion formed by the cell terrace and the electrode lead.
Patent KR-20200112333-A (KR)
Inventor: KANG HAE RAN
IPC: G07C9/00
Filed: 2019-03-21
Abstract: The present invention relates to a room use authentication system for public use space and a smart push-pull door lock used therefor. The room use authentication system for public use space comprises: a service server for connecting a terminal of an operator having a permission to use a room in which a push-pull door lock is installed, which is opened by an input of an unlock pattern, and a terminal of a customer for obtaining the permission to use the room, through a communications network; an authentication number issuing unit for setting a valid period for allowing the consumer to use the room through the terminal of the operator who accesses the service server, and upon request from the terminal of the operator, issuing an authentication number for setting the unlock pattern of the push-pull door lock; a pattern setting unit for performing setting of the unlock pattern of the operator, which is used within the valid period, through the terminal of the operator who accesses the service server, and when inputting the authentication number by the terminal of the customer who accesses the service server, performing setting of an unlock pattern of the customer, which is used within the valid period, through the terminal of the customer; and a pattern transmission unit for transmitting the unlock pattern of the operator and the unlock pattern of the customer to the push-pull door lock, and releasing locking when the unlock pattern of the operator or the unlock pattern of the customer is input to the push-pull door lock.
Patent KR-20200114145-A (KR)
Inventor: AN GYO WOO
IPC: F28C1/02
Filed: 2019-03-27
Abstract: The present invention relates to a cooling fan driving device for a cooling tower and a cooling tower, and more specifically, to a cooling fan driving device for a cooling tower and a cooling towe, which can generate a rotational force of a cooling fan using a flow of cooling water in a counter flow type cooling tower. The cooling fan driving device for the cooling tower of the present invention includes: an inlet pipe arranged so that the cooling water falls vertically; a branch pipe installed on an upper part of a cooling tower main body and transferring the cooling water introduced through the inlet pipe into the cooling tower main body; an impeller installed inside the branch pipe and rotated by the cooling water flowing into the branch pipe; and a cooling fan connected to the impeller and rotating.
Patent KR-20200114406-A (KR)
Title: ANT-INFLAMMATORY COMPOSITION AND ITS MANUFACTURING METHOD USING Zanthoxylum schinifolium OIL
Inventor: KIM SEON JEONG
IPC: A61P29/00
Filed: 2019-03-28
Abstract: Disclosed are an anti-inflammatory composition of Zanthoxylum schinifolium oil according to a pretreatment process, and a method for manufacturing the same. The method for manufacturing the anti-inflammatory composition of Zanthoxylum schinifolium oil according to the pretreatment process of the present invention comprises: a drying step of drying fruits of Zanthoxylum schinifolium; a separation step of separating the dried fruit into pericarp and seeds; a treatment step of treating seeds by using a method selected from using seeds as they are, roasting, and steaming the same; and an oil expression step of pulverizing seeds treated in the treatment step, followed by extracting oil by pressing.
Patent KR-20190114916-A (KR)
Title: Method and System for creating and managing the relation based document
Inventor: CHO YOUNG HWA
IPC: G06Q50/18
Filed: 2019-03-30
Abstract: Disclosed is an authoring management method based on a relation of an electronic document, which forms various types of authoring contents to be in an associated relation in an authoring document creating box, and sets a three-dimensional relation attribute to the associated relation to allow the authoring contents to be stored and managed as dynamic information. The authoring management method of the present invention comprises: a content designated section setting step of setting a designated section of content by an input key of an input device; an authoring content collecting step of collecting content of an electronic work positioned in the designated section as authoring content; an identification information generating step of generating identification information on the authoring content; an associated relation collecting step of collecting an associated relation with authoring content different from the authoring content; a relation attribute collecting step of collecting a relation attribute related to an attribute of a change in another authoring content other than the authoring content; and an RD generating step of generating RD by converting the authoring content, identification information, the associated relation, and the relation attribute into a dataset. Accordingly, newly or already created authoring content to correspond to a thought change of an author is directionally associated with at least one another authoring content, is linked to each other, and is defined with attributes thereof to be managed as data, thereby easily recognizing and comprehending a change in the authoring content of an author, and always analyzing and verifying the authoring contents each other on the basis of the relation attribute.
Patent KR-20200116388-A (KR)
Inventor: JEONG JIN NAM
IPC: A61B5/103
Filed: 2019-04-01
Abstract: The present invention relates to a toilet seat system for user weight management. According to the present invention, the toilet seat system for user weight management comprises: a seat unit (100) including a load cell (130); a display unit (200) for displaying weight data; a management unit (300) for managing and processing the weight data; and a transmission and reception unit (400). According to the present invention, the accuracy of weight measurement can be improved.
Patent KR-20200117426-A (KR)
Inventor: JO SUNG EUN
IPC: G21F3/00
Filed: 2019-04-04
Abstract: The present invention relates to a jig for assembling a neutron shielding box for a spent fuel transportation and dry storage container which minimizes a gap between the neutron shielding box and the storage container, and the neutron shielding boxes by correcting the bent or twisted neutron shielding boxes when installing a neutron shielding body to shield neutrons generated in the storage container in which spent fuel is stored, and facilitates welding of the neutron shielding boxes in contact with each other. The jig for assembling a neutron shielding box for a spent fuel transportation and dry storage container comprises: a plurality of neutron shielding boxes (120) arranged along a circumferential direction on an outer surface of a storage container (100) for storing spent fuel, and in which a neutron shielding material to shield neutrons generated from the spent fuel is injected inside in a form of a tube or box; a plurality of fixing jigs (130) corresponding to the neutron shielding box (120) one-to-one and closely fixing side surfaces of the neutron shielding boxes (120) to the storage container (100); and an annular support (140) supporting the plurality of fixing jigs (130).
Patent KR-20200118946-A (KR)
Inventor: PARK YOUNG GON
IPC: B23K1/00
Filed: 2019-04-09
Abstract: The present invention relates to a heat exchanger manufacturing method; and a system for removing foreign matters, which is capable of removing foreign matters attached to a heat exchanger manifold during a heat exchanger manufacturing process. The heat exchanger manufacturing method of the present invention includes: a coating step of hydrophilic coating a heat exchanger; and a foreign matter removing step of removing foreign matters from the hydrophilic coated surface of the heat exchanger.
Patent KR-20190046728-A (KR)
Inventor: MIYAZATO SHOKO
IPC: A61K9/00
Filed: 2019-04-25
Abstract: An object of the present invention to provide a novel IgA secretagogue, useful as a mucosal immunity enhancer. According to the present invention, significant IgA secretion promoting action is recognized by oral administration of indigestible dextrin.
Patent KR-20190124664-A (KR)
Inventor: MORI TAKANORI
IPC: C09K19/30
Filed: 2019-04-26
Abstract: Provided are a liquid crystal composition, which satisfies at least one property or has a balance suitable for at least two properties among properties such as high upper limit temperature, low lower limit temperature, low viscosity, proper optical anisotropy, high dielectric anisotropy, high specific resistivity, high stability for light, high stability for heat, and to an AM device including the same. To this end, the liquid crystal composition of the present invention comprises: a compound represented by formula (S) as a first additive; and at least one compound selected from a compound in which at least one hydrogen is substituted with a monovalent group among the compounds represented by the formula (S). The liquid crystal composition may comprise a specific compound having a large positive (+) dielectric anisotropy as a first component, a specific compound having a high upper limit temperature or lower viscosity as a second component, or a specific compound having a large negative (-) dielectric anisotropy as a third component.
Patent KR-20190046750-A (KR)
Inventor: KANG OH HYUN
IPC: C09D7/61
Filed: 2019-04-29
Abstract: The present invention relates to an eco-friendly paint composition having a rare earth component and a preparation method thereof. Specifically, the paint composition is formed of a rare-earth element and a silica component such that the composition absorbs indoor and outdoor harmful components and enables components favorable to the human body to be generated at the same time. The paint composition of the present invention comprises the steps of: firing a rare earth metal at the temperature of 700 to 1,200°C to obtain a fired rare earth metal; forming powder having an average diameter of 10 to 150 μm from the fired rare earth metal, thereby obtaining rare-earth metal powder; preparing a binder, and an additive consisting of silicon dioxide, aluminum oxide, titanium dioxide, potassium oxide, and iron oxide; and injecting the rare-earth metal powder and the additive along with the binder into a solvent, wherein the rare earth metal is contained in the paint composition in an amount of 0.2 to 2.0 wt% with respect to 100 wt% of silicon dioxide.