baber/WOPTO huggingface dataset:
Patent KR-20030044781-A (KR)
Title: Talking Card, Talking Card Player and Talking Card System
Inventor: KI U HYEON
IPC: G09B5/04
Filed: 2002-10-23
Abstract: PURPOSE: A talking card, a talking card player and a talking card system constructed with the same are provided to obtain various effects for learning various language by using only one talking card as well as to implement a story book having a long content by only one talking card. CONSTITUTION: A talking card displaying a picture, a character, a symbol and a design includes a character(20) printed by at least two languages for the same character and symbols and at least two bar codes(15) representing the address information of the audio digital information stored at the storage medium of the talking card player of the talking card system.
Patent KR-20040036359-A (KR)
Title: Filter design method using generic algorithm
Inventor: PARK JAE YEONG
IPC: H03H9/56
Filed: 2002-10-24
Abstract: PURPOSE: A method for designing a filter using a genetic algorithm is provided to obtain an optimum area and thickness appropriate for a filter design condition. CONSTITUTION: According to the method, an ideal serial and parallel resonant frequency is obtained by measuring an impedance after fabricating a resonator. A material characteristic constant indicating an optimum serial and parallel resonant frequency is obtained through a genetic algorithm using a number of material characteristic constants. A filter structure is selected using the resonator having the material characteristic constant. A thickness of the resonator in which a resonant frequency of the serial and parallel resonator coincides with a center frequency is obtained through the genetic algorithm. Then, the thickness and the area of the resonator satisfying the filter design condition are obtained through the genetic algorithm.
Patent KR-20040036962-A (KR)
Title: COMPOSITION AND FABRICATION OF Pr-Fe-B TYPE MAGNET POWDER
Inventor: JUNG U SANG
IPC: H01F1/032
Filed: 2002-10-25
Abstract: PURPOSE: A composition of Pr-Fe-B-based magnetic powders and a fabricating method thereof are provided to enhance a magnetic characteristic by performing an HDDR(Hydrogenation, Disroportionation, Desorption, Recombination) process for fabricating Nd-Fe-B-based powders. CONSTITUTION: A composition of Pr-Fe-B-based magnetic powders includes Pr of 10.6 to 13.0 weight percent, B of 5.5 to 6.5 weight percent, and Fe as the balance. The composition of Pr-Fe-B-based magnetic powders further includes Co of 6 to 35 weight percent. The composition of Pr-Fe-B-based magnetic powders further includes Ga of 0.5 to 1.0 weight percent and Zr of 0.05 to 0.2 weight percent. The composition of Pr-Fe-B-based magnetic powders further includes Dy of 0.1 to 0.5 weight percent.
Patent KR-20020086846-A (KR)
Inventor: HYUNG HYENG SHIN
IPC: A61G5/06
Filed: 2002-10-28
Abstract: PURPOSE: A multifunctional wheel-chair is provided for enabling the wheel-chair to climb or go down the stairs without a lift and a separate road for the disabled. CONSTITUTION: The multifunctional wheel-chair comprises a hinge-type coupling mounted in one side of the wheel-chair, an H-shaped supporting rod(A) coupled with the hinge-type coupling, connecting bars(4,5) for providing a driving force which are attached to one side of the H-shaped supporting rod, vertical bars(6,7,8,9) for moving up and down which are attached to the connecting bars, a link apparatus(32) attached to the H-shaped supporting rod, an antiskid block(36) attached to one-sides of the vertical bars, and a cover for covering the hinge-type coupling.
Patent KR-20040038568-A (KR)
Inventor: LYU OK LAN
IPC: F25B30/00
Filed: 2002-11-01
Abstract: PURPOSE: A heat pump system is provided to make a single cycle of high-pressure refrigerant and low-pressure refrigerant by adjusting the non-azeotropes of the high-pressure refrigerant and the low-pressure refrigerant. CONSTITUTION: A refrigerant control device(4) stores refrigerant gas, liquid refrigerant or mixed gas in a partition plate(10) by flowing and cooling from a condenser(2), an evaporator(3) or a liquid refrigerant pipe to a refrigerant controller(6) and classifying low-pressure refrigerant and high-pressure refrigerant. The refrigerant control device controls the inflow toward low pressure if necessary. A heat exchange unit cools the refrigerant inside the refrigerant controller by flowing the refrigerant liquid in an outlet of the condenser to a heat exchanger(8) through a refrigerant control valve(31) and an expansion valve(4). Thereby, the efficiency is improved and the power consumption is reduced though the evaporating pressure of a heat pump is reduced and the condensing pressure is raised.
Patent KR-20040039663-A (KR)
Title: cosmectics for prerention and improvement of atopic dermatitis and manufacturing method therefor
Inventor: BAE YONG TAE
IPC: A61K8/97
Filed: 2002-11-04
Abstract: PURPOSE: Provided is a cosmetics containing bamboo extract which shows excellent improving and preventing effects on atopic dermatitis including erythema, edema, pruritus, exudation and crusting, and a manufacturing method thereof. CONSTITUTION: A manufacturing method of cosmetics for the prevention and improvement of atopic dermatitis comprises the steps of: dissolving a water phase raw ingredient of and an oil phase raw ingredient of cosmetics, followed by mixing, defoaming, cooling to 45 deg.C and filtration to remove impurities to manufacture cosmetics; and adding 0.5-30 wt.% of bamboo extract to the cosmetics.
Patent KR-20040041442-A (KR)
Title: Operation method for defrosting evaporator in air conditioner
Inventor: KIM DONG UK
IPC: F24F11/02
Filed: 2002-11-11
Abstract: PURPOSE: A method for executing a defrosting operation of an air conditioner is provided to control a defrosting point by varying a defrosting reference temperature according to a change in an indoor temperature, thereby preventing excessive frost on an outdoor heat exchanger. CONSTITUTION: An outdoor unit controller executes a heating operation to fit an indoor temperature to a set temperature(100). An indoor unit controller detects the indoor temperature of an indoor unit(110). The outdoor unit controller sets up a defrosting reference temperature according to a range of the detected indoor temperature(120). The indoor unit controller detects a pipe temperature of an indoor heat exchanger(130). The outdoor unit controller compares the pipe temperature with the set defrosting reference temperature(140). If the pipe temperature is lower than the set defrosting reference temperature, the outdoor unit controller changes the heating operation into a cooling operation to defrost(150). The outdoor unit controller counts time for a defrosting operation(160). The outdoor unit controller compares the counted defrosting operation time with preliminarily set defrosting time(170).
Patent KR-20040043720-A (KR)
Inventor: LEE JEONG MIN
IPC: B65D77/28
Filed: 2002-11-16
Abstract: PURPOSE: A structure of a cap having a spout supporting portion for receiving a spout is provided to conduct both sucking and discharging of contents in a container by inserting a spout of a straw type into a spout supporting portion. CONSTITUTION: The cap(1) includes a top portion(2) and a side portion(3). A spout supporting portion(4) projecting upward is formed at one region of the top portion(2). A cutting film(6) marked in a cut line(6) is formed on the upper end of a spout insert hole(5) within the spout supporting portion(4). The cap(1) having the spout supporting portion(4) is coupled to the upper side of a container(200) for containing contents. A spout(100) of a straw type is attached to the container(200). The spout(100) has an outer diameter of such a degree that is contactable to the spout insert hole(5) from which the cutting film(6) of the spout supporting portion(4) is removed when inserted thereinto.
Patent KR-20040043790-A (KR)
Inventor: LEE TAE HUN
IPC: H01J29/87
Filed: 2002-11-20
Abstract: PURPOSE: A cathode ray tube is provided to achieve improved contrast by lowering the permeability of the panel, while reducing manufacturing costs by eliminating the necessity of performing a coating process. CONSTITUTION: A cathode ray tube comprises a panel having an outer surface which is substantially flat, an inner surface where an effective surface portion(14) is curved in a tube axis direction, and a center having a permeability of 45 to 75%. The outer surface of the panel has a flat rate(F) > 21, the expression F=Ro/(Sdx1.767) is satisfied, and the thickness of each part of the panel satisfies the expressions 1.4<Td/CFT<2.0 and 0.93<Tv/Td<1.00, wherein Sd is the diagonal length of the effective surface of the panel, Ro is the diagonal radius of curvature of outer surface of panel, CFT is the thickness of center of panel, Tv is the thickness of vertical end of panel, and Td is the thickness of diagonal end of panel.
Patent KR-20040051050-A (KR)
Title: Dual Type Structure Capillary of Cooling system
Inventor: KIM HAE SEONG
IPC: F25B41/06
Filed: 2002-12-11
Abstract: PURPOSE: A structure for dualizing a capillary of a cooling system is provided to efficiently operate a cooling system in keeping foods different in a keeping temperature band. CONSTITUTION: A compressor(1) compresses a refrigerant. A condenser(2) condenses the refrigerant. An evaporator(4) evaporates the refrigerant. The constituents are connected by a refrigerant pipe(5) to circulate the refrigerant. The refrigerant pipe of an exit of the condenser is branched to connect one side thereof with a first capillary(3a) which is relatively long, while the other side is connected with a second capillary(3b) which is relatively short. The first capillary and the second capillary are merged into one refrigerant pipe at an entrance of the evaporator. A switch valve(6) is formed in front of the second capillary for changing a flow path of the refrigerant according to a keeping temperature band.
Patent KR-20040051249-A (KR)
Title: Side stepper for vehicle
Inventor: JUNG HYEON JIN
IPC: B60R3/00
Filed: 2002-12-12
Abstract: PURPOSE: A step plate for a vehicle is provided to make a child or a short person easily get on and off a high vehicle by applying a gradually unfolding structure to a step plate. CONSTITUTION: A step plate for a vehicle comprises an upper step plate(2) and a lower step plate(20). The upper step plate includes a connecting part interlocking via a wire and a drive switch, a motor(4) driven by the operation of the drive switch and a belt pulley(6) winding and unwinding by the driving of the motor. The lower step plate is movably supported via a connecting member(12). The rear end of the step plate is connected with a belt(6a) extending from the belt pulley. The lower step plate rotates by the driving of the motor and folds and unfolds toward the bottom face of the upper step plate.
Patent KR-20040051925-A (KR)
Title: Hydrant having water purifying function
Inventor: LEE YOUNG IL
IPC: E03C1/046
Filed: 2002-12-13
Abstract: PURPOSE: A faucet having the water purification function is provided to remove the residual chlorine of tap water completely. CONSTITUTION: The faucet having the water purification function contains: a water purification tank placer(36) retreated on one side of a tap and provided with a water inflow hole(11) and a water outflow hole(18); a flow guide plate(27) fitted to the water outflow hole(18) of the water purification tank placer(36) and provided with a discharging projection(28) projected downward to discharge tap water to the outside; a water purification tank(10) coupled to the water purification tank placer(36) and provided with inner, outer guide partitions(22b,22a) and many filter fitting holes(26) formed between the inner, outer guide partitions(22b,22a); and a filter wick(14) fixed to the filter fitting hole(26) of the water purification tank(10) to make the tap water contact with the contents of the water purification tank(10) such as vitamin C or active carbon.
Patent KR-20030011042-A (KR)
Title: Method for setting the alarm function of RF door locker
Inventor: YOON KYOUNG HO
IPC: E05B49/00
Filed: 2002-12-16
Abstract: PURPOSE: A method for setting an alarm function of a proximity door lock is provided to activate a warning function when an invader breaks a door lock and invades and inform an invasion occurrence to a police station or a crime prevention company. CONSTITUTION: A central controller detects a card data signal inputted through a proximity card reader. When a set card data signal is inputted, the central controller counts the number of card inputs. The central controller operates a timer, measures a time lapse, and judges whether the number of the card inputs exceeds a predetermined number after a predetermined time lapses. When the number of the card inputs exceeds a predetermined number, the central controller activates a warning function. The central controller detects a door opening state signal according to an activation of the warning function, judges that an invasion occurs when the door opening state signal is detected, and outputs a warning sound through a sound output section.
Patent KR-20030055142-A (KR)
IPC: H01J1/316
Filed: 2002-12-24
Abstract: 본 발명에 의하면, 기판 표면상에 간격을 두고 배치된 전극과, 이들 전극사이에 배치되어, 해당 전극중 한쪽 전극에 접속한 카본막을 지니고, 이 카본막과 다른 쪽의 전극과의 사이에 간극이 배치되어 있고, 상기 간극에 있어서, 상기 한쪽 전극에 접속된 카본막의 가장자리와 상기 다른 쪽 전극의 가장자리와의 거리가, 기판의 표면보다도, 기판의 표면으로부터 떨어진 위쪽에 있어서 좁게 되어 있는 것을 특징으로 하는 전자방출소자와, 해당 소자를 사용한 전자원 및 화상표시장치가 제공된다.
Patent KR-20040056854-A (KR)
Title: Formation method of trench in semiconductor device
Inventor: SEO YEONG HUN
IPC: H01L21/76
Filed: 2002-12-24
Abstract: PURPOSE: A method for forming a trench of a semiconductor device is provided to completely fill the trench without voids by roundly forming the upper corner of the first silicon nitride pattern. CONSTITUTION: A pad oxide layer(12) and the first silicon nitride layer(13) are sequentially formed on a semiconductor substrate(11). An opening portion is formed for defining a trench region by selectively etching the first silicon nitride layer. The second silicon nitride layer is formed on the entire surface of the resultant structure. The substrate is partially exposed by carrying out an etch-back process on the second silicon nitride layer. At this time, the upper corner of the first silicon nitride layer rounds out. A trench is formed by etching the exposed substrate using the first silicon nitride layer as an etching mask. An oxide layer(17) is formed on the resultant structure for completely filling the trench.
Patent KR-20040058834-A (KR)
Title: The scheduling method for access between mobile stations in wdm star network
Inventor: LEE GYEONG HO
IPC: H04B10/27
Filed: 2002-12-27
Abstract: PURPOSE: An access scheduling method between terminals in an optical star-network is provided to transmit data on the basis of a transmission table that is written by a scheduler, thereby efficiently performing an optical access process without wavelength collisions in a receiving end. CONSTITUTION: A fixed wavelength transceiver transmits receiving terminal information to a scheduler(410). The transceiver arrays terminals connected to the scheduler at a longitudinal axis and a lateral axis of a table(420). If terminals arrayed at the longitudinal axis want to transmit data to terminals arrayed at the lateral axis, intersecting points between the longitudinal axis and the lateral axis are obtained(430). The transceiver sequentially selects the intersecting points as many as the number of transmitters and receivers of the arrayed terminals as moving in horizontal/vertical directions of the table(440). Among intersecting points that are not selected, the transceiver additionally selects intersecting points as many as the number of residual channels of the terminals(450). The transceiver transmits the table to all the terminals connected to an optical star-network(460).
Patent KR-20040062001-A (KR)
Inventor: KIM GYEONG RYANG
IPC: B29D23/00
Filed: 2002-12-31
Abstract: PURPOSE: A preparation method of a drain pipe is provided to increase a weight of the drain pipe, thereby preventing a buoyancy from acting on the drain pipe at inserting the pipe in an earth. CONSTITUTION: The preparation method of a drain pipe(1) with a space part(3) on a wall body(2) thereof comprises foaming and filling a weight in the space part(3). The weight is a mixture of powders and a foaming agent mixed in a weight ratio of 40 to 60% : 60 to 40%. For example, the weight is prepared by mixing powders such as a limestone or an ironstone and a foaming agent such as polyethylene. The weight prevents the drain pipe from moving by the buoyancy at executing and enhances a strength and durability.
Patent KR-20020037029-A (KR)
Title: METHOD AND APPARATUS FOR AVOIDING DATA LOSS DURING A PPP RENEGOTIATION ON A Um INTERFACE
IPC: H04W88/02
Filed: 2000-07-14
Abstract: A method and a wireless communication device capable of flow controlling data to be sent from a TE2 device over a Rm interface when PPP renegotiation occurs over a Um interface. Flow control is asserted by the MT2 device by means of manipulating electrical signaling of a physical interface between the MT2 device and the TE2 device. A second embodiment provides a method and a wireless communication device for buffering data on the MT2 device when the PPP renegotiation of the Um interface occurs. In a third embodiment, data is buffered when the PPP renegotiation of the Um interface occurs. When an amount of free buffer space is less that a predetermined threshold, flow control is asserted to the TE2 device.
Patent KR-20020041807-A (KR)
IPC: H04L9/14
Filed: 2000-08-24
Abstract: 암호화/해역 모듈을 이용할 때, 모듈에 입력되거나 모듈로부터 출력되는 데이터를 분석함으로서 모듈에 의해 이용되는 키이를 결정하기 위한 방법이 존재한다. 이 결함을 덜기 위해, 제안된 다중-모듈 방법은 업스트림 모듈로부터의 결과 일부가 가용해지자마자 다운스트림 모듈이 그 암호화/해역 연산을 개시하는 과정으로 이루어진다.
Patent KR-20020029405-A (KR)
IPC: F16H15/38
Filed: 2001-07-09
Abstract: 바리에이터용 디스크의 제조방법에 있어서, 입력축(6)에 대하여 입력디스크(D1)의 스플라인 구멍(4)을 맞물리게 한 상태에서, 상기 입력축(6)을 가공 기준으로 하여 상기 입력디스크(D1)의 외주면(5)을 다듬질한 후, 상기 외주면(5)을 가공 기준으로 하여 상기 궤도면(2)을 고정밀도로 다듬질한다. 또한, 블랭크(B)를 열처리하기 전에 브로치(X)로 스플라인 구멍(4)을 다듬질 여유를 남기고 정밀하게 형성하고, 블랭크(B)를 열처리하여 경화시킨 후, 다듬질용 브로치(Y)로 스플라인 구멍(4)의 기어면(4a)을 정밀하게 다듬질하고, 그 후 상기 기어면(4a)을 가공 기준으로 하여 입력디스크(5)의 궤도면(3)을 정밀하게 다듬질하는 경우도 있다.
Patent KR-20020035163-A (KR)
Title: Wireless communication system with base station beam sweeping
IPC: H04B7/26
Filed: 2000-09-29
Abstract: A method and apparatus for wireless communications wherein a base station transmits a signal to sending data to a subscriber station through a signal beam that sweeps through the coverage area of the base station. User data addressed to the subscriber station is buffered until the signal beam angle of the signal beam allows efficient transmission. The base station may alter the beam sweep speed or the shape of the beam's radiation pattern over time to maximize system efficiency and capacity.
Patent KR-20020069355-A (KR)
Title: Method for producing a liquid polymer composition and the use of this composition
IPC: C08F4/40
Filed: 2000-11-18
Abstract: The invention concerns a method for preparation of a liquid polymer composition, where ethylenically unsaturated monomers are polymerized by means of initiators that have a transferable atomic group, and one or more catalysts that contain at least one transition metal, in the presence of ligands that can form a coordination compound with the metallic catalysts, the catalyst is oxidized after the polymerization and then the catalyst is separated by filtration, where the composition contains a solvent with a dielectric constant less than or equal to 4.
Patent KR-20020072550-A (KR)
IPC: F02D11/10
Filed: 2000-12-15
Abstract: 본 발명은 자동차의 구동 유닛을 제어하기 위한 방법 및 장치에 관한 것이다.  구동 유닛의 적어도 하나의 조절값은 구동 유닛의 출력값을 위한 목표값 및 목표 조절 시간에 따라 세팅되며, 상기 목표 조절 시간 내에 출력값을 위한 목표값이 실현되어야 한다.
Patent KR-20020067918-A (KR)
IPC: H04N5/46
Filed: 2001-10-09
Abstract: 본 발명은 디지털 비디오 전송 시스템에서, 멀티 표준 디지털 수신기에 관한 것이다. 이는 채널 전송 오류들을 대하여 전소된 신호를 보호하기 이한 채널 디코더를 포함하고, 상기 채널 디코더는 디지털 프런트 엔드 블록(DFE), 채널 정정 블록(CHN) 및 포워드 오류 정정 블록(FEC)의 기능들을 각각 실행하기 위한 프로그램가능 코프로세서들의 적어도 3개의 클러스터들을 포함하는 코프로세서들의 세트를 포함한다. 범용 프로세서(DSP)는 상기 채널 디코더의 제어, 동기 및 구성을 처리하기 위한 것이고, 메모리(SM)는 상기 클러스터들 및 범용 프로세서 사이에 공유된다.
Patent KR-20020063911-A (KR)
IPC: H04M11/08
Filed: 2000-12-21
Abstract: 교환국 오피스(200)의 LAN(204)에 접속된 호스트 장치(205)로부터 브로드캐스트 정보의 스트림이 복수개 송신된다. LAN(204)과 동일 네트워크 내에 배치된 가입자주택(100)의 호스트 장치(101)는 가입자선(300)을 거쳐서 보내지는 스트림을 수취한다. 각 스트림에는 수신인 포트 번호에 의해 소켓이 지정되고, 호스트 장치(101)는 소켓을 설정하는 것에 의해 스트림의 리얼타임 수신, 기록, 폐기를 행한다.
Patent KR-20020079784-A (KR)
Title: 내구성 ｕｖ 흡수제를 사용한 내용물의 보호방법
Inventor: SUHADOLNIK JOSEPH
IPC: B65D81/30
Filed: 2001-01-23
Abstract: 투명 또는 약하게 착색된 플라스틱 용기 또는 막의 내용물은 용기 또는 막내에 내구성 벤조트리아졸 및 트리스-아릴-s-트리아진류의 특정 UV 흡수제를 혼입하고 있는 것에 의해 자외선으로부터 보호된다. 보호될 내용물은 음식, 음료, 약제, 화장품, 개인위생품, 샴푸 등을 포함한다.
Patent KR-20020093824-A (KR)
Title: 포스포네이트 뉴클레오티드 화합물
IPC: C07F9/6561
Filed: 2001-02-26
Abstract: 본 발명의 2-아미노-6-아릴티오푸린포스포네이트는 골수세포 성장억제 및 변이원성 등의 독성이 없고, 높은 항바이러스 활성을 가지며, 경구 흡수성과 안전성을 가지고 있는 외에 짧은 공정으로 제조할 수 있다. 따라서 효율적으로 제조할 수 있는 우수한 항바이러스제를 제공할 수 있다.
Patent KR-20030007559-A (KR)
Title: Drainage aids in papermaking
IPC: D21H17/51
Filed: 2001-04-02
Abstract: This invention concerns aqueous compositions comprised of sulfonated aminotriazine/aldehyde polymers, e.g., sulfonated melamine/formaldehyde, processes for making these compositions, and methods of using these compositions as drainage aids in papermaking. These compositions, which become more turbid when diluted with water, provide improved drainage performance as compared to sulfonated aminotriazine/aldehyde polymers which do not become more turbid when diluted, or as compared to melamine/formaldehyde polymers which are not sulfonated.
Patent KR-20030001501-A (KR)
IPC: A47K10/38
Filed: 2001-05-23
Abstract: 습윤성 티슈용 디스펜서는 습윤성 두루마리 티슈용 두개의 수납 부분으로 형성된 수납부 및 계단형 내부 표면 형태를 갖는 디스펜서 슬릿을 포함한다. 이 디스펜서는 사용하기 위하여 수납 부분에 부착된 지지체에 의해 수직 또는 수평면상에 위치된다.
Patent KR-20030013424-A (KR)
IPC: H04M11/06
Filed: 2000-05-22
Abstract: 전화기 시스템을 기반으로 하는 배선의 전화선용 단말기(30)에 있어서; 데이터 전송용 고속모뎀(13)이 사용하는 주파수대역내에서 신호를 분리하는 고역필터(39); 및 상기 고역필터(39)에 연결된 임피던스 수단(53)을 포함하며, 상기 임피던스 수단(53)은 고속모뎀(13)이 사용하는 주파수대역에서 전화선의 임피던스와 정합하는 임피던스를 가지는 것을 특징으로 전화선용 단말기.
Patent KR-20030034082-A (KR)
IPC: H04L29/08
Filed: 2001-04-24
Abstract: 본 발명은 VOD, 디지털 방송과 같은 완전 디지털 서비스뿐만 아니라 이러한 다양한 디지털 서비스를 조작할 수 있는 범용 셋-톱-박스(STB, 600)를 제공하기 위한 방법 및 시스템(도 8)을 교시한다.  전자 프로그램 가이드를 통해 개별 서비스를 식별하는 다수의 하드웨어 구조 및 무료 데이터 전송 방식은 상기 전송을 가능하게 한다.  본 발명의 범용 STB(600)는 상기 전자 프로그램 가이드에 수신되는 정보를 기초로 서로 다른 서비스를 식별할 수 있으며, 대용량의 버퍼를 포함하는 단일 하드웨어 구조로 설계된다.  본 발명은 휘발성 및 낮은 품질의 인터넷 스트리밍 방송의 불리함을 배제시키고 정지, 녹화 및 방송의 고정-프레이밍을 포함하는 다중 방송 및 가상 VCR 타임-시프팅 특성과 같은 시청 옵션을 추가로 제공한다.  또한 추가로, 이러한 다양한 디지털 서비스는 단-방향 통신 링크를 통해 제공된다.
Patent KR-20030045682-A (KR)
Title: Modified polyamides, polyamide compositions, and method for making same
IPC: C08K3/34
Filed: 2001-06-15
Abstract: The invention relates to modified polyamides, and more particularly to polyamides containing units of the type obtained by reacting a diacid with a diamine, modified with a multifunctional compound. The finished articles shaped from these polyamides or from compositions based on these polyamides have excellent mechanical properties and also a very good surface aspect. The modified polyamide according to the invention is obtained by melt-blending polyamides of different natures, in the presence of a multifunctional compound.