baber/WOPTO huggingface dataset:
Patent KR-20130035962-A (KR)
Title: Battery pack
Inventor: WATANABE MINORU
IPC: H01M10/625
Filed: 2012-09-28
Abstract: PURPOSE: A battery pack is provided to effectively cool the battery cell by concentratedly supply air to each battery regardless of the composition of a junction box in a battery pack case. CONSTITUTION: A battery pack comprises a battery pack case(1) which has a junction box accommodation part and a battery accommodation part(7,8a,8b); and a plurality of batteries(2) filling the battery accommodation part. The junction box accommodation part is covered by shielding members(21,22). The battery pack case has an inlet and outlet. Parts of the batteries are arranged toward the outlet with regard to the junction box accommodation part. The shielding members consist of insulating materials and shield the electronic components in the junction box.
Patent KR-20140042419-A (KR)
Title: Computing system and method for managing data in the system
Inventor: LEE CHANG MAN
IPC: G06F3/06
Filed: 2012-09-28
Abstract: Provided is a computing system. The computing system includes: file data stored via at least one data block; a storage device storing metadata stored through node blocks; and a file system managing the file data and the metadata stored in the storage device. A node block includes an extent which groups and points to one or more data pointers pointing to one or more data blocks respectively and data blocks with successive physical addresses among the one or more data blocks.
Patent KR-20130037643-A (KR)
Title: Semiconductor device and method of making a semiconductor device
Inventor: YUNG KUAN HSIAO
IPC: H01L21/301
Filed: 2012-10-04
Abstract: PURPOSE: A semiconductor device and a method for manufacturing the same are provided to improve throughput and reduce costs without using a retooling process or changing a process. CONSTITUTION: A semiconductor wafer(52) has a semiconductor die(88) formed on the surface area. The semiconductor die is mounted on a carrier(90) using an epoxy-resin bonding material(92). The surface area of the carrier is 10-50% larger than the surface area of the semiconductor wafer. The number of semiconductors mounted on the carrier is larger than the number of semiconductor dies separated from the semiconductor wafer. An encapsulating material(100) is spread according to the temperature and the pressure in the semiconductor die.
Patent KR-20140049356-A (KR)
Title: Semiconductor device
Inventor: LIM SUN ME
IPC: H01L21/8244
Filed: 2012-10-17
Abstract: The present invention provides a semiconductor device. The semiconductor device comprises a first well region, a second well region, and a third well region between the first and the second well regions. The first and the second well regions are first conductive types. The third well region is a second conductive type which is different from the first conductive type. A first active region is disposed in the first well region. A second active region is disposed in the second well region. A third active region is disposed closer to the second active region than to the first active region, in the third well region. A fourth active region is disposed closer to the first active region than to the second active region, in the third well region. A first conductive pattern crossing the first and the third active regions is disposed. A second conductive pattern crossing the second and the fourth active regions is disposed wherein the second conductive pattern is parallel with the first conductive pattern.
Patent KR-20140052364-A (KR)
Title: Ship with modified bow shape
Inventor: LEE DONG DAE
IPC: B63B1/06
Filed: 2012-10-24
Abstract: A ship, according to the present invention, has a modified bow shape having a terraced keel structure or an inclined keel structure, which formed by moving the inflection point toward the center of the ship than in the conventional case, wherein the inflection point is the point where the inclination of the keel at the bottom of the ship starts during a process for curving the keel. More specifically, regarding the terraced or inclined keel structure of a bow, an end part or an inflection point where the inclination starts, can be formed on a point where the length between perpendiculars from the bow perpendicular is above 5%. Accordingly, a predetermined section from a traditional bow shape is eliminated, thus reducing the surface area of the keel in contact with fluid, thereby reducing the frictional resistance and weight of the ship.
Patent KR-20140054790-A (KR)
Title: Flexible display
Inventor: NAIJO TSUYOSHI
IPC: G09F9/00
Filed: 2012-10-29
Abstract: A flexible display device according to the present invention comprises a flexible substrate having a display area and an absorption area on the same plane, a display unit located in the display area, an absorption layer located in the absorption area, and a sealant which is formed along the edge of the display area and seals the absorption layer and the display unit, wherein the flexible substrate is folded at least once and the display area and the absorption area oppose each other.
Patent KR-20140055541-A (KR)
Title: Apparatus for monitoring image
Inventor: CHOI HO JIN
IPC: H04N7/18
Filed: 2012-10-31
Abstract: The present invention relates to an apparatus for monitoring images captured by a plurality of cameras and, more particularly, to an image monitoring apparatus capable of switching to a desired image screen through a simple operation. The image monitoring apparatus comprises: a plurality of cameras; a display unit for displaying image screens captured by the cameras; an operation unit for operating camera switching; and a control unit for performing control to switch a captured screen of a certain camera to a captured screen of another camera set in an operation direction of the operation unit and to display, with the captured screen of a certain camera displayed. According to the present invention, it is possible to directly switch to an image screen of a desired channel through a simple operation, without performing a traditional multi-channel screen switching so as to switch to a desired screen like in the related art. Therefore, the user convenience can be improved.
Patent KR-20140058117-A (KR)
Title: Antenna apparatus and feeding structure thereof
Inventor: KIM CHANG WOOK
IPC: H01Q1/46
Filed: 2012-11-06
Abstract: The present invention relates to an antenna apparatus and a feeding structure thereof. Provided are an antenna apparatus, comprising a radiator; a ground member for grounding the radiator; and a feeding structure disposed between the radiator and the ground member and feeding the radiator, and the feeding structure, comprising a resonance control unit spaced from the grounding member and a power supply unit connected to the resonance control unit and the radiator and supplying current. According to the present invention, the antenna apparatus and the feeding structure can improve the performance of the antenna apparatus.
Patent KR-20140060893-A (KR)
Title: Method for managing enter and allocation of seats
Inventor: JEONG JI HO
IPC: G06V30/224
Filed: 2012-11-13
Abstract: The present invention relates to a method for library access control and seating assignment management. The method for library access control and seat assignment management according to an embodiment of the present invention includes: (a) a step in which a deciphering means read an identification means included in a student ID card; (b) a step in which a user identification module of a server stores the guest data read by the deciphering means in a database; (c) a step in which a seating assignment module of the server displays the locations of available seats on a screen; (d) a step in which the seating assignment module matches the number of the seat selected by a guest to the guest data and store the data in the database when one of the available seats is selected by the guest; and (f) a step in which the seating assignment module of the server changes the assigned seat to an available seat and stores the data in the database when a predetermined period of time elapses after the guest leaves.
Patent KR-20140062196-A (KR)
Inventor: LEE JI YONG
IPC: B62D29/00
Filed: 2012-11-14
Abstract: 본 발명은 차량용 태양전지 또는 유리에 적용할 때에도 우수한 투과율을 가지며, 그 중량이 가볍고 두께가 얇아 곡면을 갖는 차체 등에도 접합이 가능하고, 충격을 흡수할 수 있는 완충 역할이 가능한 PDMS 시트 및 그 제조방법에 관한 것이다. 
보다 더 구체적으로 본 발명은, 그 상면을 커버하되 수직으로 이동가능한 이동판, 진공 흡입구 및 용액 주입구를 갖는 챔버를 이용한 실리콘 시트의 제조방법에 있어서, 상기 챔버 내에 이형제를 도포하는 단계; 상기 챔버 내부를 진공으로 유지한 후 PDMS 전구체 용액을 주입하는 단계; 상기 챔버를 가열하여 상기 PDMS전구체 용액을 경화시켜 PDMS 시트를 생성하는 단계; 그 하부에 상기 PDMS 시트가 형성된 이동판을 챔버로부터 분리하여 이동시키는 단계; 및 차량의 일영역에 상기 PDMS시트를 접착하는 단계;를 포함하는 PDMS시트의 제조방법을 제공한다.
Patent KR-20140064206-A (KR)
Inventor: MYUNG INN SHIK
IPC: C12N15/11
Filed: 2012-11-19
Abstract: The present invention relates to a method for identifying Xanthomonas cucurbitae and, more specifically, to a method for identifying Xanthomonas cucurbitae by checking a base of 23S rRNA isolated from a specimen. In the case of using the method for identifying Xanthomonas cucurbitae and a probe for identifying Xanthomonas cucurbitae of the present invention, Xanthomonas cucurbitae can be effectively identified from Xanthomonas sp.
Patent KR-20140069461-A (KR)
Title: 디지털 메모 기능을 갖는 터치 펜
Inventor: KWAK SEUNG HYUN
IPC: G06F3/06
Filed: 2012-11-29
Abstract: 본 발명에서 스마트기기가 없이 디지털 필기가 가능한 디지털 메모 기능을 갖는 터치 펜을 개시한다. 
본 발명에 따른 터치 펜은, 데이터 저장 기능을 갖는 터치 펜에 있어서, 상기 터치 펜의 궤적에 따라 좌표를 생성하고, 상기 좌표를 기반으로 도식화되는 라인을 디지털 신호로 변환한 후, 상기 디지털 신호를 포멧화된 정보로 저장하는 컨트롤러를 포함하며, 상기 터치 펜의 궤적에 따른 좌표 생성은 자이로 센서에 의해 제공되고, 내부 메모리에 저장된 포멧화된 정보를 USB 통신 프로토콜에 따라 외부 단말기로 제공하는 것을 특징으로 한다. 
따라서, 본 발명은 메모리 기능, 중앙연산처리기능, 입출력 인터페이스를 내장한 터치 펜과 좌표의 기준점과 위치신호를 전달해줄 정전식 패드를 통하여 터치 패널이 포함된 스마트기기가 없이 디지털 필기가 가능하기 때문에, 휴대용 펜의 활용성을 증대시키는 효과가 있다. 또한, 메모 과정에서 별도의 페이퍼를 사용하지 않기 때문에 자원 절약을 유도할 수 있는 효과를 갖는다.
Patent KR-20140069993-A (KR)
Title: Silicon carbide powder, method and apparatus for preparing silicon carbide powder
Inventor: SON HAE ROK
IPC: C04B35/622
Filed: 2012-11-30
Abstract: The present invention relates to a silicon carbide powder and a method and an apparatus for preparing the silicon carbide powder. According to an embodiment of the present invention, a tapping process is processed by a vibration device which is installed on the outside of a crucible after synthesizing the silicon carbide fine powder. By increasing a contact area of the silicon carbide fine powder during grain growth, a silicon carbide powder with a uniform size can be formed.
Patent KR-20140072367-A (KR)
Title: Nonvolatile memory device and operating method thereof
Inventor: LEE WAN SEOB
IPC: G11C16/10
Filed: 2012-12-03
Abstract: The present invention relates to a semiconductor memory device and, more particularly, to a nonvolatile memory device and an operating method thereof. The method for operating the nonvolatile memory device according to the embodiment of the present invention receives or outputs data according to a control signal regardless of the input and output operations of the data applied when a write control signal is activated and receives and outputs the data when the control signal regardless of the input and output operations of the data is transited from logic low to logic high and from the logic low to the logic high.
Patent KR-20140076349-A (KR)
Title: Vehicular multi-operating switching unit
Inventor: NOH SAM JONG
IPC: H01H25/04
Filed: 2012-12-12
Abstract: The present invention includes: a housing unit; a substrate; a switch shaft unit which is accommodated in the housing in one end and is arranged to be movable by being exposed to the housing in the other end; a rotary switch unit which senses and outputs the shaft rotation of the switch shaft unit; a directional switch unit which senses and outputs the tilting directional operation of the switch shaft unit; and a push switch unit which senses and outputs the pressing push operation of the switch shaft unit. The directional switch unit includes: a directional slide part which is able to vary a position in the housing unit by the tilting directional operation of the switch shaft unit; a directional switch which is arranged on the substrate and generates a signal which is changed by being operated by the position variation of the directional slide unit; and a directional return unit which returns the directional slide unit and the switch shaft unit to an original position on a plane. The directional return unit includes: a return plunger which is arranged to be movable in the housing unit; a return elastic part which elastically supports the return plunger by being accommodated in the housing unit; and a return groove which forms the return plunger and the contact state and returns the return plunger to the original position. The return plunger is able to move in the axial length direction of the switch shaft unit about the housing unit. The return groove provides a multi-operating switch unit for vehicle which is formed in the directional slide unit.
Patent KR-20140076425-A (KR)
Inventor: LEE TAE HYUN
IPC: C09J201/00
Filed: 2012-12-12
Abstract: The present invention relates to an adhesive film for a polarizing plate, an adhesive composition for the same, a polarizing plate containing the same, and an optical display apparatus including the same. More particularly, the present invention relates to an adhesive film for a polarizing plate containing core-shell type particles containing a core and a shell that surrounds the core, to an adhesive composition for the same, to a polarizing plate containing the same, and to an optical display apparatus including the same.
Patent KR-20130073825-A (KR)
Title: Level-shift circuit and semiconductor integrated circuit
Inventor: OHSHIMA KAZUAKI
IPC: H03K19/0175
Filed: 2012-12-17
Abstract: PURPOSE: A level shift circuit and semiconductor IC are provided to reduce power consumption and size thereof. CONSTITUTION: A level shift circuit includes a first transistor and an inverter circuit. The first transistor (101) includes a first channel-forming region. The first transistor (101) includes a first gate electrode, a second gate electrode, a source electrode, and a channel forming region between the first gate electrode and second gate electrode. The first gate electrode receives the first power voltage and the second gate electrode receives second power voltage. An inverter circuit (102) includes an input terminal and output terminal and is electrically connected to the first transistor. The inverter circuit receives a third power voltage and receives input signal through the input terminal.
Patent KR-20140078486-A (KR)
Inventor: KIM YOON CHEOL
IPC: F16D65/06
Filed: 2012-12-17
Abstract: Disclosed is a brake disc which includes: a hat part which has a coupling flange along the lower circumference; a connection part in which one end is coupled to the lower end of the coupling flange and the other end extends outward; and a friction part which has a coupling hole in the center and a recessed groove on the inner surface of the coupling hole, wherein the other end of the connection part is inserted into and coupled to the recessed groove.
Patent KR-20140084842-A (KR)
Inventor: KIM JOON TAE
IPC: G01S17/66
Filed: 2012-12-27
Abstract: The present invention relates to an indoor position recognition system using VLC includes an LED lighting device (100) converting a wavelength band of light emitted from an LED lighting having a predetermined serial number into a digital signal and coding the digital signal into a packet to send the packet through one-way communications; and a light reception device (200) decoding the packet received from the LED lighting device (100) to extract a digital signal and outputting the position corresponding to the serial number of the LED lighting. According to the present invention, a user′s indoor position is recognized by converting a wavelength band of light emitted from each LED lighting having a serial number in a room into a digital signal and extracting the position corresponding to the serial number of an LED lighting from the digital signal by the light reception device receiving the converted digital signal through one-way communications. Therefore, no additional frequency permission is required and also there is no radio frequency (RF) interference. Additionally, a wide visible light band is used, and communications are confirmed by eyes. Moreover, high physical security is provided and as an LED lighting is separated physically, 3-dimentional recognition is possible. Furthermore, no additional infrastructure is required. Furthermore, in the case of a closed space, accurate section division is possible physically.
Patent KR-20130016182-A (KR)
Title: Semiconductor memory device
Inventor: KIM JONG SU
IPC: H01L21/82
Filed: 2012-12-28
Abstract: PURPOSE: A semiconductor memory device is provided to prevent a signal leakage by forming a guard ring around a fuse. CONSTITUTION: A contact pattern(11) for a first bit line is connected to a part of a conductive film(10) for a word line. A conductive layer pattern(12) for the first bit line is connected to the contact pattern for the first bit line. A contact pattern for a first metal line is connected on the conductive layer pattern for the first bit line. The contact pattern for the first metal line is connected to one part of a fuse. A contact pattern for a second bit line is connected to the other part of the conductive film for the word line.
Patent KR-20140087577-A (KR)
Title: Welding device for controlling three-dimensional
Inventor: KOH JIN HYUN
IPC: B23K37/00
Filed: 2012-12-31
Abstract: Disclosed is a welding device capable of a three-dimensional control. The welding device capable of a three-dimensional control includes: a main body having an upper plate prepared to fixate an article being welded; a bridge-shaped gantry unit coupled to the upper plate in order to be moved in a transverse direction from the main body; a welding unit coupled to the gantry unit to move in transverse and longitudinal directions of the main body, while having a detachable welding torch; a heat treatment unit integrated with the welding unit on one side, and prepared to perform a heat treatment of a welding portion of the article being welded by the welding torch; and a control unit prepared to control operations of the gantry unit, welding unit, and heat treatment unit. According to the present invention, since the device is capable of freely moving and performing a welding work in a three-dimension space along three axes, even an ordinary worker rather than an expert worker is capable of easily performing a welding work onto a various parts. Moreover, the welding parts of the article being welded can be simultaneously conducted with welding and heat treatment, thus removing remaining stress to prevent welding defects and to guarantee an excellent quality of the welding.
Patent KR-20140087611-A (KR)
Inventor: JUNG YONG CHAE
IPC: G09G3/36
Filed: 2012-12-31
Abstract: The present invention relates to a display apparatus capable of preventing a malfunction of a data driver to display an image normally. The display apparatus comprises: a data driver having i data output terminals (i is a natural number bigger than 1) to output data voltages to the i data output terminals according to a source output enable signal from a timing controller; an output control unit connected between the i data output terminals and i data lines; and i garbage switches separately connected to the data lines to connect the i data lines to a ground terminal at a power input time point at which a power voltage is applied to the display apparatus and to cut off connections between the i data lines and the ground terminal at a time point later than a time point at which the first source output enable signal provided from the timing controller is outputted after the power input time point.
Patent KR-20120048555-A (KR)
Inventor: DE SOUZA URBAN J
IPC: B21K29/00
Filed: 2010-05-19
Abstract: 단조다이(412,414') 가열장치(420)는 복수 개의 화염포트(426)들을 포함한 버너헤드(422)를 포함한다. 상기 버너헤드(422)가 단조다이의 단조표면의 적어도 일부 영역의 방향과 일치(compliment)하도록 향하며, 상기 버너헤드는 상기 화염포트들에서 산화가스의 공급과 연료의 공급을 수용하고 연소하며 화염을 발생시킨다. 상기 복수 개의 화염포트(426)들은 상기 단조다이의 단조표면의 적어도 상기 영역을 사실상 균일하게 가열하기 위해 단조다이의 단조표면(416',418')상에 상기 화염들을 충돌시키도록 구성된다.
Patent KR-20120052950-A (KR)
Inventor: HARRIS NEIL JOHN
IPC: H04R31/00
Filed: 2010-06-14
Abstract: 본 발명은 복수의 힘 요소를 포함하는 액츄에이터 제조 방법 및 그 방법에 따라 제조된 액츄에이터에 관한 것이다. 이 액츄에이터 제조 방법은, 힘 요소로부터 로드(load)로 힘을 결합시키기 위한 커플러(coupler)를 제공하는 단계; 로드에 제공되는 힘이 예측되도록, 각각의 힘 요소에 대한 전달 함수를 계산하는 단계; 예측된 힘에서 어떠한 바람직하지 않은 감소(dip)를 나타내는 오차 함수를 결정하는 단계; 오차 함수를 최소화하는 힘 요소의 파라미터를 계산하는 단계; 및 액츄에이터를 제조하기 위하여 계산된 파라미터를 가지는 힘 요소를 커플러에 결합시키는 단계를 포함한다.
Patent KR-20120099410-A (KR)
Inventor: HILFIKER ROLF
IPC: A61P31/00
Filed: 2010-09-23
Abstract: 현탁액의 상 평형, 결정화 또는 용매 증발에 의해 메틸티오니늄 클로라이드로부터 실질적으로 순수한 메틸티오니늄 클로라이드 5수화물 A형을 제조하고, 여기서, 용매의 수분 함량은 25℃에서의 0.4 이상의 수분 활성도에 해당하고, 습도, 압력 및 온도의 이의 안정성 범위 내에 상기 메틸티오니늄 클로라이드 5수화물 A형의 건조를 제어한다.
Patent KR-20120101636-A (KR)
Inventor: TANAKA TAKAYOSHI
IPC: C08K3/40
Filed: 2010-10-29
Abstract: 본 발명은 (A) 방향족 폴리카보네이트 수지 60 ? 90 질량%, (B) 상기 방향족 폴리카보네이트 수지와의 굴절률 차가 0.02 이하인 유리 섬유 5 ? 20 질량%, 및 (C) 폴리메틸메타크릴레이트 수지 5 ? 25 질량% 로 이루어지는 유리 섬유 함유 수지 성분 100 질량부에 대해, (D)) (D-1) 평균 입경이 10 ㎛ 이상 60 ㎛ 미만인 광택 입자 0.005 ? 1.5 질량부와, (D-2) 평균 입경이 60 ? 300 ㎛ 인 광택 입자 0.005 ? 5 질량부, 및 (E) 평균 입경이 0.05 ? 3 ㎛ 인 산화티탄 0.05 ? 0.4 질량부를 함유하는 폴리카보네이트 수지 조성물, 이것을 성형하여 이루어지는 수지 성형품 및 그 제조 방법이다. 
본 발명의 폴리카보네이트 수지 조성물은, 웰드 라인 융착부의 시인성이 저감되어 웰드 라인의 좌우에 있어서 명도차가 시인되지 않아, 양호한 메탈릭풍 외관이나 은하풍 외관을 갖는 성형품을 얻을 수 있고, 또한 내열성 및 기계적 특성이 우수한 것이다.
Patent KR-20120056895-A (KR)
Inventor: HECHT GIL
IPC: B23B27/16
Filed: 2007-08-27
Abstract: 본 발명은 나사식 체결구(나사 380)에 의한 접촉과 탄성 클램핑(452)의 조합을 통해 절삭 공구(210)에 유지되는 절삭 삽입체(300)에 관한 것이다.  나사식 체결구(380)는 절삭 삽입체에 관통하지 않고 접하여 절삭 공구의 조오(452, 456)에 대해 절삭 삽입체를 바이어스함으로써 절삭력에 대해 절삭 삽입체를 예압한다.
Patent KR-20120087946-A (KR)
Inventor: PHAN BILL
IPC: H01L31/0216
Filed: 2010-10-27
Abstract: 분극 저항성의 태양 전지를 제공한다. 태양 전지는 전지의 앞면 상에 배치되는 이중 층의 유전체 스택을 사용한다. 유전체 스택은 전지 표면상에 직접 배치되며 SiO x  또는 SiON을 포함하여 이루어지는 패시베이션 층과, SiCN을 포함하여 이루어지는 바깥쪽의 AR 코팅을 포함한다.
Patent KR-20120105449-A (KR)
Inventor: CHAI WENYING
IPC: C07D487/04
Filed: 2010-10-21
Abstract: 2치환된 옥타하이드로피롤로[3,4-c]피롤 화합물이 기재되며, 이는 오렉신 수용체 조절제로서 유용하다.  이러한 화합물은 오렉신 활성에 의해 매개되는 질환 상태, 장애 및 병상, 예컨대 불면증을 치료하기 위한 약제학적 조성물 및 방법에 유용할 수 있다.
Patent KR-20120093343-A (KR)
Inventor: HERVIEU GREGORY
IPC: C09D183/12
Filed: 2010-11-10
Abstract: (i) 불소-함유 폴리에테르 사슬의 말단에 알콕시실란 관능기를 갖는 유기규소 화합물, 및 (ii) 불소-함유 폴리에테르 화합물을 포함하며, 표면 처리 조성물 중 불소-함유 폴리에테르 화합물의 함량이 표면 처리 조성물을 기준으로 하여 25 몰% 미만인 표면 처리 조성물.
Patent KR-20120135204-A (KR)
Title: Microwaveable batter
Inventor: PICKFORD KEITH
IPC: A23L5/20
Filed: 2011-01-17
Abstract: A method of manufacture of a microwave or thermally cookable or reheatable food product wherein the product comprises a substrate comprising pieces of poultry fish, red meat, dairy or processed food; the method comprising the steps of: 
applying a coating of an aqueous coating composition to the substrate; 
wherein the aqueous coating composition comprises water and 0.1 to 5% of a mixture comprising by dry weight:        cellulose gum  15-35%    modified starch  15-50%    hydrocolloid  20-30%    proteinaceous component  10-20%      
wherein the percentages of the ingredients are by dry weight and are selected from the ranges quoted to total 100%; and 
and optional further ingredients 
applying a first coating of fine crumb to the aqueous coating to form a layer of fine crumb encasing the substrate; 
applying a batter composition to the first coating to form a batter coating; 
and optionally applying a layer of outer crumb to the batter coating.
Patent KR-20120105547-A (KR)
Inventor: LE HEN FERRENBACH CATHERINE
IPC: A23L29/00
Filed: 2005-10-29
Abstract: 본 발명은, 알칼리성 탄산염 및 알칼리성 차아인산염으로 이루어진 촉매 혼합물의 존재 하에서의 알칼리 촉매된 에스테르 교환 반응을 통한, 평균 에스테르화도가 1 내지 4 인 탄수화물 부분 에스테르의 무용매 (solvent-free) 제조 방법에 관한 것이다.     본 발명은 또한 이러한 방법으로 수득된 탄수화물 부분 에스테르의 용도 및 상기 에스테르 기재의 특수한 성형체에 관한 것이다.