baber/WOPTO huggingface dataset:
Patent WO-2022260192-A1 (WO)
Title: Device for displaying vehicle state by using 3d hologram
Inventor: CHO WOO YOUNG
IPC: B60Q1/50
Filed: 2021-06-09
Abstract: The present invention is for promoting mutual safety and preventing accidents in advance by notifying a driver in the rear of a current state of a vehicle more clearly and delivering more diverse information to the driver in the rear, and includes a fan-type 3D hologram display device, which has a built-in SD card, and which is installed at the backside of the interior of the vehicle, wherein the SD card is interlocked with a flashing signal of an emergency light of the vehicle, and a flashing current of a current applied to the brakes of the vehicle, or the like, is connected and interlocked with the SD card, and various types of content about the current state of the vehicle are input to the SD card so that the driver in the rear may know more accurately about the state of a front vehicle, and the SD card is configured to prioritize, among images displayed through the 3D hologram display device, images related to the emergency light of the vehicle, and to display images related to the brakes of the vehicle, or the like, in order.
Patent WO-2021256829-A1 (WO)
Title: Method for manufacturing lithium metal electrode, and lithium metal secondary battery
Inventor: LEE KEON JE
IPC: H01M4/36
Filed: 2021-06-15
Abstract: The present invention relates to a method for manufacturing a lithium metal electrode, comprising the steps of: providing a lithium metal strip; and providing, onto the lithium metal strip, a lubricant composition that comprises a fluorine-based solvent and a fluorine-based compound, and rolling same.
Patent WO-2021256857-A1 (WO)
Inventor: HENDRY HENDRY
IPC: H04N19/70
Filed: 2021-06-16
Abstract: An image encoding/decoding method and apparatus are provided. The image decoding method performed by an image decoding apparatus, according to the present disclosure, comprises the steps of: obtaining a first flag indicating whether a network abstraction layer (NAL) hypothetical reference decoder (HRD) parameter is present in a bitstream, and a second flag indicating whether a video coding layer (VCL) HRD parameter is present in the bitstream; obtaining a third flag indicating whether a temporal distance between output times of consecutive pictures in the bitstream has a fixed value; deriving output times of pictures in the bitstream, on the basis of at least one of the first flag, the second flag, and the third flag; and processing the pictures in the bitstream, on the basis of the derived output times, wherein the third flag may be limited to having a first value indicating that the temporal distance between the output times of the consecutive pictures in the bitstream has a fixed value, on the basis that the first flag has a second value indicating that the NAL HRD parameter is not present in the bitstream and the second flag has a second value indicating that the VCL HRD parameter is not present in the bitstream.
Patent WO-2022065650-A1 (WO)
Inventor: PARK WON KYOUNG
IPC: H01M10/613
Filed: 2021-07-19
Abstract: A battery module according to one embodiment of the present invention comprises: battery cell stacks: first and second cell block assemblies arranged in a direction perpendicular to a stacking direction of the battery cell stacks; a module frame accommodating the first and second cell block assemblies and having an open front and rear; and a cooling plate disposed below the bottom of the module frame, wherein the cooling plate has a flow path through which a refrigerant flows, wherein the flow path is formed in a direction parallel to the arrangement direction of the first and second cell block assemblies.
Patent WO-2023008635-A1 (WO)
Inventor: KIM JUNG WOOK
IPC: A61B18/00
Filed: 2021-08-17
Abstract: La présente invention concerne un dispositif de rayonnement laser sans contact pour une machine de traitement laser IPL et, plus spécifiquement, un dispositif de rayonnement laser sans contact pour une machine de traitement laser IPL, le dispositif émettant un faisceau laser de traitement pour traiter diverses maladies de la peau, et étant sans contact de manière à ne pas être en contact direct avec le site de traitement d'une personne à traiter, ce qui empêche la brûlure de la peau de la personne à traiter et empêche également l'apparition de points morts au niveau du site de traitement, et peut ainsi augmenter l'efficacité de la procédure médicale.
Patent WO-2022075585-A1 (WO)
Title: 물리적 복제 방지 장치, 및 이를 구비하는 신호처리장치, 영상표시장치
Inventor: HWANG EUJIN
IPC: G11C17/16
Filed: 2021-08-24
Abstract: 본 발명은 물리적 복제 방지 장치, 및 이를 구비하는 신호처리장치, 영상표시장치에 관한 것이다. 본 발명의 일 실시예에 따른 물리적 복제 방지 장치는, 제1 신호가 입력되는 제1 패쓰 상에 배치되는 복수의 인버터와, 제2 신호가 입력되는 제2 패쓰 상에 배치되는 복수의 인버터와, 제1 패쓰 상에 배치되는 제1 MOS 커패시터와, 제2 패쓰 상에 배치되는 제2 MOS 커패시터를 포함하며, 제1 신호와 제2 신호 중, 제1 패쓰의 출력단 또는 제2 패쓰의 출력단에, 더 늦게 도착하는 신호에 대응하는 패쓰 상에 위치하는 MOS 커패시터에, 제1 전압이 인가된다. 이에 의해, 별도의 에러 보정이 필요없는 물리적 복제 방지 장치를 구현할 수 있게 된다.
Patent WO-2023042936-A1 (WO)
Title: 무선 통신 시스템에서 도달 방향에 따라 잡음을 감소시키기 위한 수신기 구조 및 이를 위한 방법
Inventor: CHUNG JAEHOON
IPC: H04B7/08
Filed: 2021-09-16
Abstract: 무선 통신 시스템에서 도달 방향(DoA; Direction of Arrival)에 따라 저잡음 증폭기(LNA; Low-Noise Amplifier)의 잡음(noise)을 감소시키기 위한 수신기 구조 및 이를 위한 방법이 제공된다. UE(User Equipment)는 오버샘플링(oversampling) 횟수 및 감쇠기(attenuator)의 변화에 따라 DoA(Direction of Arrival)와 SNR(Signal-to-Noise Ratio)의 관계를 결정하고, 수신된 신호의 추정된 DoA를 기반으로 제1 수신기 구조 또는 제2 수신기 구조 중 상기 SNR을 최대화하는 어느 하나의 수신기 구조를 선택한다.
Patent WO-2022065859-A1 (WO)
Inventor: KIM KYEONG KYU
IPC: C12N15/113
Filed: 2021-09-23
Abstract: The present invention relates to a method for direct reprogramming from somatic cells into pancreatic beta cells by using microRNA and a small-molecule material. The inventors of the present invention confirmed that, as a result of having attempted direct reprogramming upon combined treatment of microRNA and small-molecule materials such as various differentiation-inducing materials, the expression level of PDX1 remarkably increased in pancreatic beta cells, and, when pancreatic beta-like cells were induced using such a method, direct reprogramming was performed with very high yield. In addition, since autologous cells are used, the present invention has the advantages of no occurrence of immune rejection responses and a low possibility of developing cancer, and thus is expected to be effectively used in the development of safer cellular therapeutic agents. In addition, pancreatic beta cells produced by the present invention are expected to be effectively used in a cellular composition for preventing, treating and ameliorating diabetes or pancreatic cancer.
Patent WO-2022145656-A1 (WO)
Inventor: KIM YOON-KEUN
IPC: A61K9/00
Filed: 2021-10-19
Abstract: 본 발명은 마이크로코커스 루테우스 유래 소포를 유효성분으로 포함하는 안질환의 예방, 개선, 또는 치료용 조성물에 관한 것이다. 본 발명자들은 상기 소포를 경구로 투여하였을 때 BBB(Blood-brain barrier)를 통과하여 망막을 포함한 중추신경계로 소포가 전달됨을 확인하였다. 또한, 상피세포 및 대식세포에 상기 소포를 처리하였을 때, 생물학적 원인 인자에 의한 염증성 매개체 분비를 현저히 억제할 뿐만 아니라 세포에 상기 소포를 처리하였을 때, 생물학적 원인 인자에 의한 NLRP3 단백질 발현을 억제함을 확인하였다. 나아가, 산화 스트레스에 의한 안질환 토끼 모델에 상기 소포를 투여하였을 때, 산화 스트레스에 의한 망막 변성의 발생을 유의하게 억제함을 확인하였는바, 본 발명에 따른 마이크로코커스 루테우스 유래 소포는 노화 관련 안질환 및 염증성 안질환의 예방, 개선 또는 치료용 조성물로 사용될 수 있을 뿐만 아니라 노화 관련 안질환 및 염증성 안질환의 예방, 증상 개선, 또는 치료하기 위한 의약품 또는 건강기능식품 등의 개발에도 유용하게 이용될 수 있을 것이다.
Patent WO-2022098088-A1 (WO)
Title: Heat conversion device and power generation system comprising same
Inventor: LEE SEUNG YONG
IPC: H01L35/04
Filed: 2021-11-03
Abstract: An embodiment of the present invention provides a heat conversion device comprising: a frame comprising a plurality of second through holes; and one or more thermoelectric devices connected to the frame, wherein the width of each of the plurality of second through holes is smaller than the distance between through holes which are closest to each other from among the plurality of second through holes.
Patent WO-2022108195-A1 (WO)
Inventor: YOON JUNYONG
IPC: G06K9/62
Filed: 2021-11-04
Abstract: L'invention concerne un appareil et un procédé de gestion de location par le biais desquels un support utilisé exclusivement pour des articles de sport peut être loué et renvoyé à l'aide d'une technologie mobile sans contact face à face. Un appareil de gestion de location selon un mode de réalisation peut comprendre : une unité de gestion de clients qui gère des informations de clients et des informations de paiements de client ; une unité de gestion d'inventaire qui gère les types, les quantités et les états de location d'articles ; et une unité de gestion de locations qui gère les locations et les retours des articles.
Patent WO-2022149701-A1 (WO)
Inventor: KIM KI NYUN
IPC: G16H80/00
Filed: 2021-11-10
Abstract: The present invention relates to a psychological test system and method using an open-type psychological scale expert platform, and the psychological test system using the open-type psychological scale expert platform may comprise: an expert platform server including an open-type psychological scale expert platform which provides a user interface so that psychological scales developed by psychological scale experts are uploaded, and the stored psychological scales are classified, displayed, and selected in response to queries of psychological testers, and a psychological scale DB for storing uploaded psychological scales; a psychological test server for generating a subject-personalized psychological test block by using a psychological scale block including psychological scales selected via the expert platform server, transmitting, to a subject terminal, personalized psychological test information including an online test URL enabling access to the personalized psychological test block, and analyzing answers to psychological test questions, which are obtained via the subject terminal connected through the online test URL, so as to generate a test result; and a subject terminal for receiving personalized psychological test information, and providing answers to psychological test questions of a personalized psychological test block by access through an online test URL included in the psychological test information.
Patent WO-2022255570-A1 (WO)
Inventor: KIM HYEONG SU
IPC: C04B24/26
Filed: 2021-11-15
Abstract: 본 발명은 아스팔트 보강재에 관한 것으로서, 구체적으로는, 택코팅 도포 및 양생 과정 없이 아스팔트 포장에 적용이 가능한 아스팔트 보강재 및 이를 이용한 아스팔트 포장 보수 방법에 관한 것이다. 본 발명의 아스팔트 보강재는 복수의 홀이 형성된 보강섬유층, 통기성 또는 비통기성이고 폴리프로필렌, 폴리에틸렌, 에틸렌비닐아세테이트, 폴리에틸렌 엘라스토머, 폴리프로필렌 엘라스토머, 폴리부텐 및 열가소성폴리우레탄으로 이루어진 군에서 선택된 1종 이상의 수지로 이루어지고 융점이 90℃ 내지 130℃인 필름층 및 상기 보강섬유층과 상기 필름층 사이에 위치하고 아스팔트 에멀젼이 함침되고 융점이 50℃ 내지 130℃인 부직포층을 포함한다.
Patent WO-2022114854-A1 (WO)
Inventor: KIM TAE HOON
IPC: G01J5/00
Filed: 2021-11-26
Abstract: 본 명세서에 개시된 기술은 저온저장탱크의 단열 성능 평가 방법으로서, 저온저장탱크의 단열 성능 평가 방법으로서, 센서 패드의 적외선 에너지 양을 측정하는 제 1 단계; 상기 센서 패드의 매질(substrate)의 온도를 특정 값으로 가정하는 제 2 단계; 상기 센서 패드로부터 측정된 적외선 에너지 양 및 상기 매질의 온도를 이용하여, 상기 센서 패드의 제 1 면의 온도를 계산하는 제 3 단계; 상기 제 1 면의 온도를 경계 조건으로하여, 비정상 열전도(transient heat conduction) 식으로부터 상기 매질의 온도를 얻는 제 4 단계; 상기 얻은 매질의 온도와 상기 가정한 매질의 온도가 동일한지 판단하는 제 5 단계; 및 상기 매질의 온도가 동일한 경우, 상기 계산한 제 1 면의 온도를 최종 제 1 면의 온도로 결정하고, 외부로부터 상기 저온저장탱크로 침입하는 열유속 값을 얻는 제 6 단계를 포함하는 내부 전극을 하부 기판에 전사하는 단계를 포함할 수 있다.
Patent WO-2022145818-A1 (WO)
Inventor: PARK KYUNGSOO
IPC: H01L33/10
Filed: 2021-12-14
Abstract: L'invention concerne un dispositif d'affichage et un dispositif de source de lumière associé. Le dispositif de source de lumière comprend un dôme optique apte à maintenir un profil optique d'une source de lumière en définissant une forme particulière du dôme optique. Le dispositif d'affichage comprend : une carte de circuit imprimé ; une puce de DEL, qui est montée sur la carte de circuit imprimé et émet de la lumière ; un dôme optique formé pour englober la puce de DEL en étant distribué à la puce de DEL ; et un panneau à cristaux liquides permettant à la lumière émise par la puce de DEL d'être bloquée ou transmise à travers celle-ci, le dôme optique pouvant être formé pour satisfaire à 1,70 < r1/r0 < 1,83 lorsque r0 représente une distance droite jusqu'à ce que la lumière émise verticalement par la puce à LED s'approche de la surface du dôme optique, et r1 désigne une distance droite jusqu'à ce que la lumière de puissance maximale émise par la puce à LED s'approche de la surface du dôme optique.
Patent WO-2023120769-A1 (WO)
Title: Procédé de préparation d'un additif pour asphalte du type amidopolyamine ou imidazoline et additif pour asphalte préparé par ce procédé
Inventor: LEE SUN DO
IPC: C08K5/17
Filed: 2021-12-22
Abstract: La présente invention concerne un procédé de préparation d'un additif pour asphalte du type amidopolyamine ou imidazoline et une composition d'additif pour asphalte préparée par ce procédé. Une composition d'additif pour asphalte selon un mode de réalisation de la présente invention est générée par réaction d'une polyamine avec un ester d'acide gras généré par estérification d'un acide gras insaturé naturel et d'un hydroxyacide gras ; ou avec un acide gras condensé, généré par la condensation d'hydroxyacides gras. Selon la présente invention, si un mélange d'asphalte est utilisé, l'aptitude au mélange d'un granulat et d'un asphalte, et la compaction et la résistance à l'eau du mélange d'asphalte sont améliorées, de sorte qu'on peut s'attendre à une amélioration de la productivité pendant des travaux de pavage de chaussée par utilisation du mélange d'asphalte, avec une amélioration des performances d'une route.
Patent WO-2022203450-A1 (WO)
Title: Repose-pieds doté d'un dispositif de massage
Inventor: LEE DONG MYOUNG
IPC: A61H23/02
Filed: 2022-03-25
Abstract: La présente invention concerne un repose-pieds doté d'un dispositif de massage. Plus particulièrement, la présente invention concerne le repose-pieds doté d'un dispositif de massage, le repose-pieds pouvant être utilisé en tant que repose-pieds permettant à une partie du corps d'un utilisateur, assis sur une chaise, d'être commodément mise sur celle-ci à des moments normaux, et pouvant masser, si nécessaire, la partie du corps de l'utilisateur assis sur la chaise.
Patent WO-2023038238-A1 (WO)
Inventor: SHIN JONG DAE
IPC: B22F7/06
Filed: 2022-06-15
Abstract: 본 발명은 중량%로, 4~13%의 Co, 1~12%의 화합물 및 잔부의 WC 및 기타 불가피한 불순물을 포함하는 절삭공구용 초경합금에 있어서, 상기 화합물의 평균 입자 직경이 0.4㎛ 이하이며, 상기 WC의 평균 입자 직경이 1.2 내지 2.2㎛ 일 때, 상기 화합물의 평균 입자 직경과 상기 WC의 평균 입자 직경이 하기 관계식 1을 만족하는 것을 특징으로 하는, 절삭공구용 초경합금에 관한 것이다. [관계식 1] 18 ≤ 100(A/B) ≤ 30 (상기 관계식 1에서 상기 A는 절삭공구용 초경합금에 있어서 화합물의 평균 입자 직경을 의미하고, 상기 B는 WC의 평균 입자 직경을 의미한다)
Patent WO-2022265417-A1 (WO)
Inventor: KOO MOONMO
IPC: H04N19/61
Filed: 2022-06-16
Abstract: Un procédé de décodage d'image selon ce document comprend les étapes consistant à : dériver une matrice LFNST pour un bloc actuel sur la base d'un indice LFNST dérivé d'informations d'indice LFNST et d'un indice d'ensemble LFNST ; dériver des coefficients de transformée modifiés sur la base de coefficients de transformée et de la matrice LFNST ; et générer des échantillons résiduels pour le bloc actuel sur la base des coefficients de transformée modifiés, la matrice LFNST pouvant être dérivée sous la forme d'une matrice dimensionnelle 96x32 lorsque la largeur ou la hauteur du bloc actuel a une valeur de 16 et que la largeur et la hauteur ont toutes deux une valeur de 16 ou plus. Par conséquent, les performances de codage pouvant être obtenues par la LFNST peuvent être maximisées dans la limite de la complexité d'implémentation permise dans de prochaines normes.
Patent WO-2023120846-A1 (WO)
Title: Dispositif de commande de réverbère pour éclairage public intelligent, et système de commande à distance le comprenant
Inventor: PARK BYOUNG DUK
IPC: H05B47/19
Filed: 2022-07-11
Abstract: Un dispositif de commande de réverbère pour éclairage public intelligent et un système de commande à distance lecomprenant sont divulgués. Le dispositif de commande de réverbère comprend : une unité de communication sans fil pour effectuer une communication LoRa avec un répéteur relayant une communication entre un serveur de commande et le dispositif de commande de réverbère ; une unité de commande d'éclairage pour commander, par canal, la mise sous/hors tension et la gradation d'une pluralité de réverbères sur la base d'un signal reçu en provenance du répéteur ; une unité de détection de courant pour détecter, par canal, un courant de telle sorte qu'un état d'éclairage et un état de commutation fournis au niveau de la pluralité de réverbères peuvent être identifiés ; une unité de stockage pour stocker, par canal, des informations concernant la quantité d'énergie utilisée par la pluralité de réverbères ; et une unité de MPU, qui commande l'unité de commande d'éclairage sur la base du signal reçu en provenance du répéteur, de sorte que la mise en marche/arrêt et la gradation des réverbères sont commandées par le canal, permet des informations concernant l'état d'éclairage et l'état de commutation, identifiées sur la base du signal reçu en provenance de l'unité de détection de courant, d'être transmises, par canal, au serveur de commande par l'intermédiaire de l'unité de communication sans fil, et permet aux informations concernant la quantité d'énergie stockée dans l'unité de stockage d'être transmises, par canal, au serveur de commande par l'intermédiaire de l'unité de communication sans fil. Par conséquent, une commande à distance multidimensionnelle de réverbères est possible.
Patent WO-2023022533-A1 (WO)
Title: Procédé et appareil de combinaison harq dans un système de communication mobile
Inventor: MOUHOUCHE BELKACEM
IPC: H04L1/16
Filed: 2022-08-18
Abstract: La présente divulgation concerne un système de communication 5G ou 6G pour prendre en charge un débit supérieur de transmission de données. L'invention concerne un procédé de réalisation d'une transmission de multidiffusion dans un système de télécommunication comprenant : une station de base, gNB, transmettant un message à une pluralité d'équipements utilisateurs, UE, sur une pluralité de faisceaux en provenance de la station de base ; l'un de la pluralité d'UE recevant le message par l'intermédiaire d'un faisceau principal et d'un ou de plusieurs faisceaux supplémentaires; l'un de la pluralité d'UE combinant les messages reçus par l'intermédiaire du faisceau principal et du ou des faisceaux supplémentaires et décodant le message.
Patent WO-2023022571-A1 (WO)
Title: Method by which first server transmits server message to second server in wireless communication system, and apparatus therefor
Inventor: HWANG JAEHO
IPC: H04W4/12
Filed: 2022-08-19
Abstract: According to an aspect of various embodiments, disclosed are a method by which a first server transmits a server message to a second server in a wireless communication system, and an apparatus therefor. Disclosed are a method and an apparatus therefor, the method comprising the steps of: receiving, from a first terminal, a first message including position information about the first terminal; transmitting, to terminals, the first message of which a first group is changed to a reception group; and transmitting a server message to a second server through a first connection, wherein the first connection is formed on the basis of a response message received from the second server through the transmission of a connection request message including change type information to the second server, and a first server changes, on the basis of the change type information being a transmission change type, the first group to a second group according to group type information included in the response message, and transmits, through the first connection, the server message including a second message of which a reception group has been changed to the second group.
Patent WO-2023096101-A1 (WO)
Inventor: KIM DOOSEUNG
IPC: H01M10/48
Filed: 2022-09-06
Abstract: A battery module according to one embodiment of the present invention comprises: a battery cell stack in which a plurality of battery cells are stacked; a module frame covering the battery cell stack; a bus bar frame covering a part of the battery cell stack which is exposed from the module frame; a bus bar connected to an electrode lead protruding from the battery cell stack through the bus bar frame; a gas sensor formed on the bus bar frame; a bus bar cover part covering the bus bar; and a neutralizing agent accommodation part formed on the bus bar cover part.
Patent WO-2023038478-A1 (WO)
Inventor: WU DI
IPC: H04W28/08
Filed: 2022-09-08
Abstract: Des paramètres d'équilibrage de charge dans un système de communication cellulaire sont déterminés. Les performances du système de communication cellulaire sont mesurées par des indicateurs de performance clé (KPI). Une politique (modèle d'intelligence artificielle (IA)) est obtenue pour optimiser les performances du système de communication cellulaire par rapport aux KPI. La politique de détermination de paramètres utilisés pour équilibrer la charge du système de communication cellulaire est obtenue à l'aide d'un méta-apprentissage par renforcement multi-objectif (méta-MORL). Une politique distillée peut être obtenue pour initialiser la détermination du méta-MORL. Diverses fonctions de perte peuvent être utilisées pour obtenir la politique distillée.
Patent WO-2023101369-A1 (WO)
Inventor: HAN YONG MAHN
IPC: A61L27/38
Filed: 2022-11-29
Abstract: 본 발명은 Ca 2+  농도 증가(Ca 2+  transient)의 유도제인 monSTIM1을 줄기세포의 AAVS1 유전자 좌위로 녹인(knock-in)시킨 인간 전분화능 줄기세포(monSTIM1-hPSC)를 췌도 세포(pancreatic islet)로 분화시켜 인슐린 분비의 광학적 조절이 가능한 췌도 유사 오가노이드에 관한 것으로, 광 조사에 의해 세포 내 칼슘 유입이 증가하여 인슐린을 분비할 수 있음을 체외 및 당뇨 모델 마우스 체내에서 확인하였으므로, 본 발명의 췌도 유사 오가노이드는 당뇨병 환자의 치료에 유용하게 사용될 수 있다.
Patent WO-2023149650-A1 (WO)
Title: Appareil de fixation pour connecter et intégrer électriquement un terminal dans un module de puissance
Inventor: KIM YOUNG MIN
IPC: H05K7/14
Filed: 2022-12-14
Abstract: La présente invention concerne un appareil de fixation pour connecter électriquement et intégrer une borne dans un module de puissance et, plus spécifiquement, un appareil de fixation qui, contrairement à un procédé existant de fixation indirecte au moyen d'un moule ou d'un boîtier entourant un substrat, permet un procédé de couplage simplifié et à coût réduit d'un module de puissance par intégration d'une borne, d'une vis et d'un boulon à travers un trou d'un substrat de cuivre à liaison directe (DBC).
Patent WO-2024025062-A1 (WO)
Inventor: PARK SOON JUNG
IPC: D06N3/00
Filed: 2023-02-24
Abstract: 본 발명은 피혁을 이용한 재생피혁의 제조방법에 관한 것이다. 이러한 본 발명은, 수지와 기재 시트를 사용하여 피혁을 제조하는 방법에 있어서, 피혁의 정품, 재단 또는 생산 시 발생되는 스크랩 또는 불용품을 분쇄하여 분쇄피혁 입자를 제조하는 단계; 상기 분쇄피혁 입자를 입자별 또는 성분별로 분급하는 단계; 상기 피혁의 제조 시 사용되는 상기 수지에 상기 분쇄피혁 입자를 혼합하는 단계; 상기 분쇄피혁 입자를 용매에 용해한 후 필터링하여 사용하는 단계;를 포함하여 이루어지는 것을 기술적 요지로 한다.
Patent WO-2023191385-A1 (WO)
Title: Hyaluronate nanofabric sheet and manufacturing method therefor
Inventor: KWEON DONG KEON
IPC: D04H1/4266
Filed: 2023-03-23
Abstract: The present invention relates to a hyaluronate nanofabric sheet and a manufacturing method therefor and, more particularly, to a hyaluronate nanofabric sheet having excellent percutaneous absorption and physical properties and a manufacturing method therefor. A method for manufacturing a hyaluronate nanofabric sheet according to the present invention comprises the steps of: (a) mixing a hyaluronate having a weight average molecular weight of 5×103 - 5×104 Da and a hyaluronate having a weight average molecular weight of 1×105 - 1×106Da and dissolving same in water to prepare an aqueous hyaluronate solution; and (b) electrospinning the aqueous hyaluronate solution. The hyaluronate nanofabric sheet of the present invention has an excellent transdermal absorption rate due to the ultra-low molecular weight hyaluronic acid as a main component thereof and exhibits excellent physical properties due to a certain amount of medium-molecular weight hyaluronic acid mixed therewith, and as such, can be applied for various purposes, such as mask patches for topical uses, ophthalmic or mucosal drug delivery systems, etc.