baber/WOPTO huggingface dataset:
Patent KR-20190132473-A (KR)
Title: 도금 처리 방법, 도금 처리 시스템 및 기억 매체
Inventor: MIZUTANI NOBUTAKA
IPC: H01L21/288
Filed: 2018-03-22
Abstract: 기판 처리 방법은, 표면에, 질소를 포함하는 실리콘 화합물로 이루어지는 제 1 부분과 제 1 부분과는 상이한 재료로 이루어지는 제 2 부분을 가지는 기판을 준비하는 공정과, 기판의 표면에 SAM(자기 조직화 단분자막)을 형성하는 SAM 형성 공정과, SAM이 형성된 기판에 촉매 함유액을 공급하여 기판에 촉매를 부여하는 촉매 부여 공정과, 촉매가 부여된 기판에 도금을 실시하는 도금 공정을 구비한다. SAM 형성 공정은 질소를 포함하는 관능기를 가지지 않는 SAM 형성용의 약제를 상기 기판에 공급함으로써 행해진다.
Patent KR-20190137118-A (KR)
Title: 공동 전송 커밋 시뮬레이션
Inventor: GILES JAMES
IPC: G06F9/50
Filed: 2017-12-20
Abstract: 디지털 리소스들을 할당하기 위한 다수의 상이한 공존 커밋을 충족시키기 위한 공동 시뮬레이션을 수행하기 위한 컴퓨터 저장 매체 상에 인코딩된 컴퓨터 프로그램을 포함하는 방법, 시스템 및 장치가 개시된다. 일 양태에서, 방법은 디지털 리소스들의 사전 할당을 위해 로그 데이터에 액세스하는 단계를 포함하고, 상기 로그 데이터는 디지털 리소스들의 개별 할당과 관련된 적어도 하나의 속성을 포함한다. 로그 데이터에 포함된 디지털 리소스들의 상이한 할당은 다수의 상이한 커밋 중들 상이한 하나에 할당된다. 디지털 리소스들을 할당하기 위한 각 커밋에 대해, 다수의 상이한 커밋에 할당된 로그 데이터의 디지털 리소스들의 할당에 기초하여 상기 커밋이 최소한 지정된 최소 리소스를 할당하게 하는 예상된 필수 리소스 양이 결정된다.
Patent KR-20200011412-A (KR)
Title: 댄스 운동 폴을 위한 말단 조립체
Inventor: COOTE CLIVE MAXWELL
IPC: F16B2/10
Filed: 2017-04-01
Abstract: 댄스 운동 폴용 말단 조립체. 말단 조립체는 말단부; 및 댄스 폴에 연결하기 위해 구성된 커넥터를 포함한다. 제1 체결 요소(30, 68)는 커넥터에 연결되고, 제1 체결 요소(30, 68)와 체결 가능한 제2 체결 요소(18, 70)가 있다. 이동식 요소(6, 75)는 제1 위치와 제2 위치 사이에서 이동 가능하여 적어도 하나의 제1 체결 요소(30, 68) 또는 제2 체결 요소(18, 70)를 이동시킴으로써, 제1 체결 요소(30, 68)를 제2 체결 요소(18, 70)로부터 분리하고 커넥터가 말단부에 대해 회전할 수 있는 제1 구성과 제1 체결 요소(30, 68)가 제2 체결 요소(18, 70)와 체결되어 말단부에 대해 회전을 제한하는 제2 구성 사이에서 말단부를 각각 전환한다.
Patent KR-20190133243-A (KR)
Title: 섬유 강화를 위한 첨가제
Inventor: FORD ERICKA
IPC: D01F6/14
Filed: 2018-04-06
Abstract: 중합체, 및 알다르산, 예컨대 글루카르산을 포함하는 조성물이 개시된다.  조성물은 폴리비닐 알콜 및 글루카르산을 포함할 수 있다.  조성물은 또한 폴리아크릴로니트릴 및 글루카르산을 포함할 수 있다.  또한, 조성물은 리그닌을 추가로 포함할 수 있다.  또한 조성물을 포함하는 섬유, 섬유의 제조 방법, 및 섬유의 용도가 개시된다.
Patent KR-20190134732-A (KR)
Title: 용기 검사장치 및 용기 검사방법
Inventor: SUZUKI TAKASHI
IPC: G06K9/20
Filed: 2017-04-26
Abstract: 용기(10) 검사장치(1)는 용기(10)의 외부 표면(16)에 형성된 요철형상(17)에 대해 광을 조사하는 발광부(20)와, 중심축(12)을 중심으로 회전하는 용기(10)를 지지하는 회전 지지부(30)와, 발광부(20)의 광 중 용기(10)에 반사된 광을 스크린 (44)에 투영하는 집광렌즈(42)와, 스크린(44)에 투영된 상을 촬상하는 촬상부(40)를 포함한다. 요철형상(17)은 문자를 포함할 수 있고, 검사장치(1)는 촬상부(40)에서 촬상한 화상(80)으로부터 문자를 인식하는 처리부(50)를 포함할 수 있다.
Patent KR-20200002944-A (KR)
Title: 육류의 반냉동 신선도 유지 제어 방법, 제어기 및 냉장고
Inventor: GONG QINQIN
IPC: F25D29/00
Filed: 2017-06-30
Abstract: 본 발명은 육류의 반냉동 신선도 유지 제어 방법, 제어기 및 냉장고를 제공한다. 상기 육류의 반냉동 신선도 유지 제어 방법은, 냉장고의 격실 내의 육류 식품의 현재 온도를 실시간으로 획득하는 단계(S1)(101); 육류 식품의 현재 온도가 제1 온도 임계값(t 0 ) 이상인지를 판단하고, 제1 온도 임계값(t 0 ) 이상이면 단계(S3)(103)를 수행하는 단계(S2)(102); 격실을 제어하여 강온 작동하는 단계(S3)(102); 강온 과정에서 육류 식품이 동결되었는지를 판단하고, 동결되었다고 판단되면 단계(S5)(105)를 수행하는 단계(S4)(104); 동결 발생 시점으로 부터 시간을 카운트하고 카운트 시간이 제1 기설정 시간대에 도달한 후 단계(S6)(106)를 수행하는 단계(S5)(105); 격실을 제어하여 승온 작동하는 단계(S6)(106); 를 포함하고, 단계(S6)(106)를 수행한 후, 단계(S1)(101)를 계속 수행한다. 본 발명의 육류의 반냉동 신선도 유지 제어 방법은 육류 식품을 장기간 신선하고 절단하기 쉬운 상태로 유지시킬 수 있다.
Patent KR-20200011943-A (KR)
Title: 헤테로시클리덴 아세트아미드 유도체의 결정
Inventor: SATOH TSUTOMU
IPC: A61P29/00
Filed: 2018-05-30
Abstract: 본 발명은, 우수한 TRPV1 길항 작용을 갖는, (E)-2-(7-트리플루오로메틸크로만-4-일리덴)-N-((7R)-7-히드록시-5,6,7,8-테트라히드로나프탈렌-1-일)아세트아미드의 I형 결정, 당해 결정을 포함하는 의약 및 의약 조성물, 그리고 당해 결정의 제조 방법을 제공한다.  본 발명은, 보존 안정성, 광안정성, 열역학적 안정성으로 이루어지는 군에서 선택되는 적어도 하나의 특성이 우수하고, 바람직하게는 공업적으로 재현성이 좋으며 고수율 및 고순도로 얻어지고, 의약품 원약의 결정으로서 유용한 (E)-2-(7-트리플루오로메틸크로만-4-일리덴)-N-((7R)-7-히드록시-5,6,7,8-테트라히드로나프탈렌-1-일)아세트아미드의 I형 결정을 제공한다.
Patent KR-20200003069-A (KR)
Title: 스캔 드라이브 회로, 어레이 기판과 디스플레이 패널
Inventor: ZHAO MANG
IPC: G09G3/36
Filed: 2017-05-26
Abstract: 본 발명은 스캔 드라이브 회로, 및 상기 스캔 드라이브 회로를 갖는 어레이 기판과 디스플레이 패널을 개시한다. 상기 스캔 드라이브 회로는 순차적으로 서로 캐스케이드된 n개의 스캔 드라이브 유닛을 포함한다. 각 스캔 드라이브 유닛은 입력 유닛 및 출력 유닛을 포함한다. 입력 유닛은 시작 트리거 신호를 수신하여 출력 유닛으로 전송하고 상기 출력 유닛이 스캔 상태에 있도록 제어하기 위해 사용된다. 스캔 드라이브 유닛은 다이오드 방식으로 연결된 다수의 트랜지스터를 갖는 스캔 신호 변조 유닛을 더 포함하고, 다수의 상기 트랜지스터는 다수의 클럭 신호에 기초하여 클럭 변조 신호를 출력하고, 클럭 변조 신호는 사전결정된 시간대만큼 간격을 둔 적어도 두 개의 제1 전위를 포함한다. 상기 출력 유닛은 상기 클럭 변조 신호에 대응하여 상기 스캔 신호로부터 스캔 드라이브 신호를 출력한다. 스캔 신호는 제1 전위의 두 개의 서브 스캔 신호에 대응하여 하나의 스캔 주기 내의 하나의 픽셀 유닛이 이미지 신호를 수신하도록 제어하는 것을 포함한다.
Patent KR-20200004361-A (KR)
Title: 신호 송신 방법, 검출 방법 및 그 디바이스 및 통신 시스템
Inventor: WANG XIN
IPC: H04W56/00
Filed: 2017-08-11
Abstract: 신호 송신 방법, 검출 방법, 그 디바이스 및 통신 시스템.  신호 송신 디바이스는 SS 블록 송신 사이클 내에서 미리 결정된 위치의 시간 윈도우 내에 사용자측에 동기화 신호 블록(SS 블록)을 송신하는데 사용되는 송신 유닛을 포함한다.  본 발명을 따르면, 사용자 장비(UE) 셀 검색 및 측정 시간이 감소될 수 있고, UE단 처리의 복잡성이 낮아지고, UE의 전력 소비가 낮아지고, 셀 스위칭이 가속될 수 있고, 통신 중단이 회피될 수 있으며, 따라서 현재 존재하는 문제들을 해결한다.
Patent KR-20200044730-A (KR)
Title: 고순도 탄화규소 단결정 기판 및 그 제조 방법, 응용
Inventor: GAO CHAO
IPC: C30B29/36
Filed: 2018-12-26
Abstract: 본 출원은 고순도 탄화규소 단결정 기판 및 그 제조 방법을 공개하고, 반도체 재료 분야에 속한다. 당해 고순도 탄화규소 단결정 기판은 적어도 탄화규소 단결정 기판 표층과 탄화규소 단결정 기판 본체층을 포함하고, 당해 탄화규소 단결정 기판 표층의 고유점 결함 농도는 당해 탄화규소 단결정 기판 본체층의 고유점 결함 농도 미만이고, 상기 탄화규소 단결정 기판은 반절연성을 갖는다. 당해 제조 방법은 고순도 탄화규소 단결정 웨이퍼에 대해 고온 급속 열처리 기술과 표면 레이저 어닐링 기술을 이용하여, 고순도 반절연 탄화규소 기판 표면의 일정한 구역 내에 도입된 점 결함을 제거함과 동시에, 기판 표면과 일정한 거리를 갖는 내부 점 결함을 보유하여, 결함이 없는 탄화규소 단결정 기판 표층 청결 구역을 실현하고 탄화규소 단결정 기판의 반절연 특성을 보유하며, 또한 제조된 GaN에피택시얼 층의 최상의 품질을 획득할 수 있다.
Patent KR-20210096790-A (KR)
Title: Apparatus for removing cooling water
Inventor: JUNG JONG HYUN
IPC: C21D9/573
Filed: 2020-01-29
Abstract: The present invention relates to a coolant removal device, which can reduce a quality defect of a product surface and failure time of a facility due to retention of coolant in a heat treatment facility of a steel plate. The coolant removal device comprises: a frame unit having a plurality of beam members disposed while having a roller table therebetween, wherein the roller table transfers a material, and having a connection member connecting the plurality of beam members; and a pipe-shaped injection header, where a plurality of injection nozzles are arranged in a longitudinal direction to inject water to a surface of the material, installed in the connection member and rotatable in a circumferential direction to adjust a water injection angle of the injection nozzle.
Patent KR-20210097569-A (KR)
Title: Feed Comprising Sluggish, Aronia, Red Ginseng Residue
Inventor: SON YU JIN
IPC: A23K10/30
Filed: 2020-01-30
Abstract: The present invention relates to a feed composition for animals containing edible Protaetia brevitarsis, aronia, and red ginseng gourd which is to increase a drinking rate of companion animals and provide balanced nutrition. The edible Protaetia brevitarsis contains 58% of protein, 17% of fat, and 11% of carbohydrate, in which among the same, 73.83% of unsaturated fatty acids and 21.70% of saturated fatty acids are contained out of the total fatty acid content, and phosphorus and potassium among minerals, and vitamins B3 and B9 are contained in the feed composition.
Patent KR-20200016326-A (KR)
Title: A System for Managing a Component Carriage Based on ERP
Inventor: KIM JAE BONG
IPC: G06Q10/08
Filed: 2020-02-10
Abstract: The present invention relates to an ERP basic component cart management system which performs management by interworking with a loaded component of a component cart for storing and transferring a vehicle component. The ERP basic component cart management system of the present invention comprises: a cart/component management module (11) for assigning a unique code to a cart for each component, and performing management by interworking a component loaded on the cart for component with the cart; a component history management module (12) for managing an unloading history of the component from the cart for component; and a component unloading information processing module (14) for storing and processing information transmitted from the component history management module (12). The unique code for the cart for component is pre-generated, and is attached to be identifiable by a reader device.
Patent KR-20210009262-A (KR)
Inventor: WOO JAE HYUN
IPC: A61H33/14
Filed: 2020-02-13
Abstract: The present invention provides a skincare device using light emission to supply good ingredients to the skin while performing non-contact cooling. According to one embodiment of the present invention, the skincare device using light emission (100) comprises a hemispherical case (100) into which a user′s head enters, wherein first and second light source means and injection nozzles (510, 520) are installed in the case (100). A nebulizer (300) and an air compressor (900) are installed in the case (100), such that a directional control valve (615) receives compressed gas from the air compressor (900) and distributes the compressed gas to the first and second light source means, injection nozzles (58) of the injection nozzles (510, 520), and the nebulizer (300).
Patent KR-20210106221-A (KR)
Inventor: LEE JONG HYUP
IPC: G06N3/063
Filed: 2020-02-20
Abstract: According to the present disclosure, a system-on-chip includes: a first memory configured to store first data; a second memory; and a data processing circuit configured to divide the first data obtained from the first memory into a plurality of pieces of division data, assign a plurality of tags to the plurality of pieces of division data, each of the plurality of tags including a coordinate value for a corresponding piece of division data, obtain second data based on at least the first data and/or the plurality of tags for the plurality of pieces of division data, and provide an address and the second data, obtained based on the plurality of tags, to the second memory. Accordingly, a data padding operation can be efficiently performed.
Patent KR-20210107450-A (KR)
Title: Mask
Inventor: CHOI HEE EUN
IPC: A62B18/08
Filed: 2020-02-24
Abstract: The present invention relates to a mask. More specifically, the present invention relates to a mask which is formed in a three dimensional (3D) manner to be in close contact with a surface along curves of the nose, the cheek, and the jaw part, that are wearing portions, and not to be in contact with the nose and the mouth part. According to the present invention, a user can easily wear the mask and breathe.
Patent KR-20210109291-A (KR)
Title: Server and method for recommending food menu
Inventor: BANG NAM JIN
IPC: G06Q30/06
Filed: 2020-02-27
Abstract: An objective of the present invention is to provide a user with a highly satisfying meal. According to one embodiment of the present invention, a food menu recommending method performed by a food menu recommending server based on a preference of a user comprises: a step of receiving a food menu evaluation score from a user terminal; a step of selecting evaluators who have evaluated the same food menu based on the received food menu evaluation score; a step of calculating preference similarity of an evaluator having a preference similar to the user based on food menu evaluation scores of the evaluators, and setting a similar group based on the calculated preference similarity; a step of selecting and setting evaluators who have evaluated a food menu which is not evaluated by the user among the evaluators of the set similar group as an evaluation group; a step of calculating an evaluation prediction score for the food menu evaluated by the evaluators of the evaluation group; and a step of transmitting recommendation food menu information to the user terminal based on the calculated evaluation prediction score.
Patent KR-20210110092-A (KR)
Title: Filament Composition and 3D Printing Stereoscopic Structure Using the Same
Inventor: KIM MIN SEOK
IPC: B33Y70/00
Filed: 2020-02-28
Abstract: The present invention relates to a 3D printing three-dimensional structure comprising an internal structure 3D printed through a first filament and an external structure 3D printed on the outer surface of the internal structure through a second filament. According to an embodiment of the present invention, a filament composition having sufficient strength and a 3D printing three-dimensional structure using the same can be provided.
Patent KR-20210115265-A (KR)
Title: An Implementation Method for the Adaptive Learning System Based on Artificial Neural Network Technology
Inventor: KIM YUN HO
IPC: G06N3/08
Filed: 2020-03-12
Abstract: The present invention relates to a method which is an adaptive learning method which increases learning efficiency by using artificial intelligence technology in study papers or reference materials in technical field. An artificial intelligence system used is applied, when learners encounter sentences they do not understand while reading reference books or specialized books, or do not understand the sentences while solving practice problems in related subject matter. The present invention is a method of decomposing a corresponding sentence into constituent elements and then displaying several easy-to-use examples to help understand each element sequentially. This artificial intelligence system consists of three artificial neural networks. The first artificial neural network is a system which inputs a sentence of a learning target and then decomposes it to output several components. Therefore, the present invention allows a user to identify which part of the input sentence which has failed to be recognized by the learners.
Patent KR-20210117654-A (KR)
Title: Augmented reality device for audio identification and control method thereof
Inventor: HAN YOON CHANG
IPC: H04S7/00
Filed: 2020-03-20
Abstract: The present invention relates to an augmented reality device capable of performing audio identification and a control method thereof, wherein the augmented reality device comprises: a see-through display part formed so that a user's eye can see through thereof, and outputting a virtual object; an audio input part that receives an audio signal generated within a preset distance from the display part; and a control part that identifies the event information corresponding to an audio signal, and controls an operation of the see-through display part to output the image information of the virtual object corresponding to the identified event information. Therefore, the present invention is capable of having an advantage wherein the user can accurately recognize a sound generated in the surroundings.
Patent KR-20210121956-A (KR)
Title: Chamber type sterilizer apparatus using light
Inventor: JU YOUNG LEE
IPC: C02F1/32
Filed: 2020-03-31
Abstract: The present invention relates to a chamber type sterilizer using light, and more specifically, to a chamber type sterilizer using light, which can improve sterilization efficiency by effectively forming a vortex of a fluid to be sterilized, and can continuously perform a sterilization process without rest time because the cleaning operation of a light generating unit is unnecessary. The chamber type sterilizer using light according to the present invention uses light and includes: the light generating unit for generating and emitting light for sterilization; a foreign material removing means installed in the light generating unit; and a chamber body into which the light generating unit is inserted and accommodated.
Patent KR-20210123538-A (KR)
Title: the method of forenign exchange margin trading with rental contract type
Inventor: PARK JIN WON
IPC: G06Q40/06
Filed: 2020-04-03
Abstract: The present invention relates to a method for FX margin trading using a rental contract. An FX rent exchange provides products that the FX rent exchange pays a margin and spreads to domestic futures companies, divides the positions of the FX rent exchange into smaller amounts of money, and enables investors to perform rental trading. The FX rent exchange provides the investors with a rental trading program in advance. The investors sign up for membership on this rental trading program site. After depositing margins and entering into rental transactions, the investors can bring profits and losses as a result of realization and disqualification. The investors realize profits through small investments compared to those in FX margin trading using domestic futures exchanges by rental transactions, or have a small risk for damage, and can receive data and information on FX margin trading provided through rental transactions and experience the process and results of FX margin trading.
Patent KR-20210124720-A (KR)
Title: Diagnosis system for detecting AI virus based on artificial intelligence
Inventor: LEE SEOK
IPC: G06N20/00
Filed: 2020-04-07
Abstract: The present invention relates to an artificial intelligence-based avian influenza virus diagnosis system. In more detail, the artificial intelligence-based avian influenza virus diagnosis system can easily diagnose whether a sample is infected with the avian influenza virus by analyzing an image photographed by a user with a mobile phone or the like based on an algorithm formed by performing learning based on the image of cells infected with the avian influenza virus, easily check the period of avian influenza virus by extracting only the cytoplasmic image from the cellular image, and learning the cytoplasmic change according to the period of avian influenza virus infection, and accurately detect the avian influenza virus as the degree of infection is determined by the change in the brightness of pixels in the cytoplasmic image.
Patent KR-20210125687-A (KR)
Inventor: KIM WOOK HYUN
IPC: G06Q50/26
Filed: 2020-04-09
Abstract: Provided are a method for selecting a location where public Wi-Fi will be preferentially installed, which determines the best location for public Wi-Fi installation, and an apparatus and a computer program thereof. According to various embodiments of the present invention, the method is executed by a computing device and comprises the following steps: collecting information of a location in which public Wi-Fi is installed, age information of residential population, information on cultural properties, information on tourist areas, information on public facilities, and information on resting places with respect to a predetermined area; gridding the predetermined area to generate a grid map including a plurality of unit grids and reflecting the collected information on the grid map; indexing the grid map reflecting the collected information to calculate an index value for the plurality of unit grids and a total index value for each basic area; using the total index value for each base area to select a first priority installation area for public Wi-Fi installation; and using the index values for each of the plurality of unit grids included in the first priority installation area to select a second priority installation area within the first priority installation area.
Patent KR-20210128584-A (KR)
Inventor: KIM SUNG TAE
IPC: G01N21/84
Filed: 2020-04-17
Abstract: The present invention relates to a measurement method for measuring the amount of a coating solution coated on the surface, and a method for determining a defect in a coating amount, which can determine whether the coating solution is adequately coated by using the method. To this end, the method for measuring the coating amount of a coating solution coated on the surface along a predetermined route of the present invention comprises: a cross-section measurement step; a route moving step; a cross-sectional area calculation step; and an integrating step. In the cross-section measurement step, a 3D scanner is used to measure the cross section of the coating solution coated on the route. In the route moving step, the 3D scanner is moved along the route such that the 3D scanner may measure the cross section of the coating solution along the route. In the cross-sectional area calculation step, the cross-sectional area of the cross section measured in the cross-section measurement step is calculated. In the integrating step, the cross-sectional area calculated in the cross-sectional area calculation step is integrated. Furthermore, as for the method for measuring the coating amount, it is desirable that, in the cross-sectional area calculation step, the width of the cross section and the height corresponding to the width are calculated to calculate the cross-sectional area. Therefore, according to the present invention, the coating amount of the coating solution coated on the surface and the width and height of the cross section of the coated coating solution can be recognized by using a coating device. Accordingly, it can be determined whether the coating solution is adequately coated, thereby recognizing a defect of the coating solution.
Patent KR-20210129928-A (KR)
Inventor: KIM JANG SEOB
IPC: G11C16/20
Filed: 2020-04-21
Abstract: A memory device comprises: one or more planes including a plurality of memory blocks respectively; and a control circuit, before performing a valid read operation in a read target memory block in response to a read command, selectively performing a dummy read operation in the read target memory block and performing the valid read operation in the read target memory block according to whether the read operation is performed in the read target memory block for the first time after a program operation is performed in a plane including the read target memory block.
Patent KR-20210130354-A (KR)
Title: Eyeglasses with replaceable front endpieces
IPC: G02C11/00
Filed: 2020-04-22
Abstract: Provided are eyeglasses (10) with separable front end pieces. The eyeglasses (10) with separable front end pieces comprise: a lens frame (100) where lenses of the eyeglasses are mounted; and a pair of end pieces (200) connecting the lens frame (100) and a pair of eyeglass temples (300) and provided to be attached to and detached from both side ends of the lens frame (100).
Patent KR-20200127866-A (KR)
Inventor: SONG KENG YEW
IPC: H01L21/66
Filed: 2020-04-22
Abstract: The present invention relates to a method for measuring the heights of wire interconnection units. The height of a vertical wire interconnection unit bonded on a substrate is measured by capturing a top view of the vertical wire interconnection unit, and identifying the tip end unit of the vertical wire interconnection unit from the top view. A conductive probe is placed on the tip end unit of the vertical wire interconnection unit, and is lowered toward the vertical wire interconnection unit until the conductive probe comes to electrically access the tip end unit of the vertical wire interconnection unit. Accordingly, an electric access contact height can be determined, and the contact height corresponds to the height of the vertical wire interconnection unit. The present invention aims to provide a method for measuring the heights of wire interconnection units, which is able to inspect vertically directed wire interconnection units.
Patent KR-20210133740-A (KR)
Title: Multi-layer floor decoration material
IPC: C08K5/00
Filed: 2020-04-29
Abstract: The present invention relates to a multilayered flooring decorative material comprising a first foam layer and a second foam layer, and relates to a multilayered flooring decorative material, wherein the first foam layer is formed by foaming a foam layer composition, the second foam layer is formed by impregnating a fiberglass substrate with a foam layer composition, and the foam layer composition comprises a polyvinyl chloride resin, a plasticizer, a filler, a heat-resistant stabilizer, and a foam stabilizer. Accordingly, emission of volatile organic compounds (VOC) is small, and thus, eco-friendliness is excellent.
Patent KR-20210133808-A (KR)
Title: With no straps, wrapped around the face and replace filters easy to mask
IPC: A62B9/06
Filed: 2020-04-29
Abstract: The present invention relates to a mask capable of covering the nose and the mouth to be worn without strings, and easily replacing a filter. A nose mask is inserted into the nasal cavity of a wearer to be worn, and a mouth mask is worn by making a mouth piece bitten with the mouth so that external air can be completely blocked. The strings for fixing the mask are omitted to prevent inconvenience when the wearer wears the mask for a long time, and replacement of the filter becomes easy. An antisnoring and apnea preventive member is mounted when the wearer sleeps in order to widen the nasal cavity of the wearer so that snoring and apneic phenomena are prevented. Elastic creases are widened when the wearer opens the mouth and speaks so that speaking becomes easy and the mask is prevented from being taken off.