baber/WOPTO huggingface dataset:
Patent KR-950010475-B1 (KR)
Title: Automatic signboard system in entrance door
Inventor: KIM KI-UN
IPC: G08B7/00
Filed: 1992-07-21
Granted: 1995-09-18
Abstract: The entrance automatic advertising system comprises an I/O sensor unit for sensing the opening/closing of the entrance; a central processing unit for controlling the sound synthesizing and reproducing operation; a sound memory which is connected to an I/O port of the central processing unit and has an advertising data package; a counter unit which is connected between the central processing unit and the sound memory to sequentially scan the address of the advertising data package under the control of the central processing unit; a sound synthesizing unit for sound-synthesizing the data output from the sound memory under the control of the central processing unit; and a sound amplifying unit for amplifying the sound signal output from the sound synthesizing unit.
Patent KR-970007771-B1 (KR)
Inventor: SHIMADA TOSHIO
IPC: H01H37/04
Filed: 1992-08-14
Granted: 1997-05-16
Abstract: 내용없음.
Patent KR-0161001-B1 (KR)
Inventor: CHON JAE-WOOK
IPC: B25J9/00
Filed: 1992-10-02
Granted: 1998-12-15
Abstract: 본 발명은 하나의 로보트제어기를 이용하여 여러 대의 로보트를 구동하는 로보트시스템의 구동제어장치에 관한 것으로써, 로보트의 전체적인 동작을 제어하는 주제어기와, 상기 주제어기로부터 출력되는 위치명령 데이타를 입력받아 제1 및 제2 로보트에 부착된 제1 및 제2 서보모터를 구동하기 위한 속도명령 데이타로 변환하여 출력해서 관절의 위치를 제어하는 관절위치제어기와, 상기 관절위치제어기로부터 출력되는 속도명령 데이타를 입력받아 상기 제1 및 제2 서보모터의 구동을 제어함과 동시에 상기 제1 및 제2서보모터의 현재 속도 및 위치데이타를 검출해서 상기 위치관절제어기에 피이드백하는 제1 및 제2서보구동 수단으로 이루어진 것을 특징으로 한다.
Patent KR-100240570-B1 (KR)
Inventor: MAKERU JIERARUDO MINITSUKU
IPC: C08L71/12
Filed: 1992-10-08
Granted: 2000-01-15
Abstract: 광범위하게, 본 발명은 열경화성 폴리페닐렌 옥사이드 및 에폭시의 블렌드를 섬유 보강된 라미네이트, 특히는 위긴스티페 공정(Wiggins Teape process)에 의해 제조된 라미네이트로 가공할 수 있는 무용매 공정을 포함한다. 본 발명 공정의 한가지 태양은 폴리페닐렌 분말을 바람직하게는 고전단 혼합기중 승온, 예를 들면 약 100 내지 130℃범위의 온도에서 임의로는 난연제 및 촉매와 함께 액상 에폭시 물질과 블렌딩시킴을 포함한다. 생성된 상단(up-staged) 또는 부분-경화된 블렌드를 위긴스 티페 가공용 분말로 과립화시키거나, 또는 임의로는, 섬유 보강된 라미네이트로의 통상의 프레스 가공을 위한 분말로 과립화시키기에 충분할 정도로 고화시킨다. 이렇게 제조된 수지 시스템은 열가소성 시스템과 비교하여 볼 때 향상된 내용접성 및 향상된 유기용매 내성을 모두 나타낸다.
Patent KR-100233963-B1 (KR)
Inventor: KAWABATA HIDEO
IPC: C08L23/04
Filed: 1992-12-08
Granted: 1999-12-15
Abstract: (목적) 본원은 내마모성 난연 조성물 및 이를 이용하여서 된 피복재료 및 절연재료에 관한 것이다. 
     (구성) (I) A) 시차주사 열량 측정법(DSC)에 의한 최대 피이크온도(Tm)가 125℃ 이상의 폴리올레핀계 수지 
     B) 시차주사 열량 측정법(DSC)에 의한 최대 피이크온도(Tm)가 125℃ 미만의 폴리올레핀계 수지 또는 고무를 포함하는 중합체성분 100중량부와 
     (II) 무기계 난연제 30 ~ 200중량부를 포함하는 조성물이고, 중합체성분 (I)중의 폴리올레핀계 수지(A)의 함유량이 50 ~ 90중량 %, 폴리에틸렌계 수지 또는 고무(B)의 함유량이 10 ~ 50중량 % 이고, 또한 중합체 성분(I)중에 아래 a ~ f에서 선택된 적어도 1종의 관능기를, 전중합체 1g당 10-8 ~ 10-3g 당량을 갖고서 됨을 특징으로 하는 내마모성 난연 조성물 및 이를 이용하여서 된 피복재료, 절연재료. 
     관능기 : 
     a : 카르본산기 또는 산무수기      b : 에폭시기             c : 히드로옥실기 
     d : 아미노기            e : 알케닐 환상 이미노 에테르기          f : 실란기
Patent KR-960007613-B1 (KR)
Title: Preparation process of l-glutamic acid by using microorganism
Inventor: LEE HO-JOON
IPC: C12P13/14
Filed: 1992-12-19
Granted: 1996-06-07
Abstract: The L-glutamic acid is prepared by adding polyoxyethylene glycol aliphatic acid ester or sorbitan aliphatic acid ester to the culture medium of carbohydrate of molasses of sugar cane containing excess viotin, and then aerobically culturing mutant germ(CFC-L108) of Brevibacterium lactofermentum requiring oleic acid. The prepared L-glutamic acid is accumulated and recovered. When bacteria is controlled by nonionic surfactant, the mole ratio of saturated to unsaturated aliphatic acid of cell membrane is changed to improve the permeability of L-glutamic acid into cell membrane.
Patent KR-0165257-B1 (KR)
Inventor: BAN YONG-KYUN
IPC: H04N9/64
Filed: 1992-12-23
Granted: 1999-03-20
Abstract: 피드포워드 자동위상제어기능을 갖는 색신호복조장치는 색신호복조회로에서 출력되는 신호를 색버스트구간만큼만 지연하여 피드포워드 APC를 수행하도록 하여 회로의 사이즈를 축소한 것이다. 이를 위하여 인가되는 색신호의 컬러버스트신호가 복조용 캐리어신호의 위상에 일치하도록 위상을 조절하여 기저대역의 색차신호를 각각 출력하는 색복조회로; 색복조회로에서 출력되는 색차신호의 컬러버스트의 위상을 비교하여 위상오차를 검출하기 위한 위상오차검출기; 색복조회로에서 출력되는 색차신호를 색신호의 컬러버스트신호 발생구간만큼 지연하여 출력하기 위한 지연수단; 및 지연수단에서 출력되는 신호와 위상오차검출기에서 출력되는 신호에 의하여 피드포워드 자동위상제어하여 복조오차를 제거한 색신호를 출력하는 피드포워드 자동위상제어기를 포함하도록 구성된다.
Patent KR-950011473-B1 (KR)
Title: An electronic exchager
Inventor: DO KYONG-MIN
IPC: H04M3/22
Filed: 1992-12-29
Granted: 1995-10-05
Abstract: forming an initiating message transmitted to free phone/credit call service control blocks to transmit the initiating message to a free phone/credit call application service element, operating an initiating management timer, and waiting a response to the initiating message from a corresponding application process; if no response exists, retransmitting the initiating message until the response is received from the free phone/credit call application service element; and if the response is received, stopping the operating initiating management timer, and initiating free phone/credit call service associated data.
Patent KR-950012849-B1 (KR)
Inventor: HENDRY JAMES WATSON
IPC: B29C45/17
Filed: 1990-08-19
Granted: 1995-10-23
Abstract: 내용 없음.
Patent KR-960000739-B1 (KR)
Title: Spatially modified elastic laminates
Inventor: HANSCHEN THOMAS P
IPC: C09J7/02
Filed: 1991-01-14
Granted: 1996-01-12
Abstract: Microtextured elastomeric laminates comprising at least one elastomeric layer and at least one thin skin layer is preferably prepared by coextrusion of the layers followed by stretching the laminate past the elastic limit of the skin layers in predetermined regions of the laminate and then allowing the laminate to recover in these regions.
Patent KR-100277391-B1 (KR)
Title: 자기 베어링 장치
IPC: F16C39/06
Filed: 1993-03-30
Granted: 2001-01-15
Abstract: 본 발명의 레이디얼 자기 베어링 장치는 회전샤프트를 부상시켜 제어자극 둘레에 감긴 제어코일에 의해 발생되는 자력을 제어함으로써 회전 샤프트의 굽힘 고유진동치를 넘는 레벨에서도 안정하게 작동된다. 상기 회전 샤프트에 면하는 각각의 제어자극의 표면에 홈이 제공되고, 반경방향으로 회전샤프트의 위치를 검출하기 위해 홈을 통과하도록 센서코일이 감겨진다. 각 제어자극의 일부는 인덕턴스형 변위센서의 자극으로 사용될 수도 있다.
Patent KR-960003028-B1 (KR)
Title: Id recording method for the wireless phone
Inventor: BAE SEUNG-KYUN
IPC: H04M1/00
Filed: 1993-05-19
Granted: 1996-03-02
Abstract: a) transmitting request signal for ID data transmission from a control circuit of handset when ID record mode key input is generated through a key input circuit; b) transmitting the ID data after reading it from memory of local station; and c) recording the transmitted ID data in the memory of handset.
Patent KR-960016669-B1 (KR)
Title: Remote control system in radio communication
Inventor: KIM BONG-TAEK
IPC: H04Q9/00
Filed: 1993-09-27
Granted: 1996-12-19
Abstract: The remote control system comprises a sensing part(B) comprising: a sensor(6); an input circuit(7) to input the sensed signal; a central processing unit(CPU1) to process the inputted signal; a frequency-oscillating circuit(8) to oscillate a specific frequency; a transmitting part(9) to transmit the frequency to a central managing part(A) through an wireless network; a receiving part(10); a driving part(13) and a driver(11) and a control circuit(12), and the central managing part(A) comprising: a receiving part(9); an input circuit(3) to input the signal received in the receiving part(2); a central processing unit(CPU); a RAM; a control circuit(5) generating a signal; and a transmitting part(1).
Patent KR-960002867-B1 (KR)
Title: Fertilizer's composition
Inventor: KIM YONG-KAK
IPC: C05F15/00
Filed: 1993-11-02
Granted: 1996-02-27
Abstract: The fertilizer soil composition is composed of 5˜35 wt.% cattle manure powder, 10˜20wt.% earth and sand particle, 5˜20wt.% compost powder, 10˜30wt.% sludge, 2˜15wt.% rice hull, 19˜25wt.% used briquet, 1˜10wt.% compound fertilizer, 3˜10wt.% cement and 1˜8wt.% binding stabilizer i.e. carboxyl methyl cellulose. The fertilizer soil composition has a good moisture and fertilizing property, and improves a soil fertility and prevents a soil erosion.
Patent KR-950014017-B1 (KR)
Title: High input & midd-freq bandwidth switching circuit
Inventor: SO HYONG-JUN
IPC: H03K17/74
Filed: 1993-11-20
Granted: 1995-11-20
Abstract: The high frequency input and intermediate frequency bandwidth switching circuit comprises a PLL IC for supplying an oscillation control voltage to an oscillator, a logic output of a first port to an input switching control unit and a logic output of a second port to a bandwidth switching control unit; an input switching control unit for supplying first and second input selection voltages by the logic output from the first port of the PLL IC to anode terminals of the first and second switching diodes; and a bandwidth switching control unit for supplying a bandwidth selection voltage by the logic output from the second port of the PLL IC to a saw filter unit.
Patent KR-960016683-B1 (KR)
Title: Method of producing fluorization catalyst for preparing 1,1,1,2-tetrafluoroethane
Inventor: KIM HOON-SIK
IPC: B01J27/138
Filed: 1993-12-09
Granted: 1996-12-20
Abstract: A mixture of chrom oxide hydride and magnesium or calcium chloride in the ratio of 1 : 0.3 and 1 : 10 is mixed in a metal salt solution, and reacted with hydrogen fluoride solution, followed by, curing the obtained paste mixture. The ratio of chrom and magnesium or calcium is between 1 : 1 and 1 : 4, and the metal salt is selected from cerium chloride, zinc chloride, nickel chloride and aluminium chloride.
Patent KR-970001243-B1 (KR)
Inventor: YOKODA NORIO
IPC: F27B7/20
Filed: 1993-12-28
Granted: 1997-02-04
Abstract: 내용없음
Patent KR-970008820-B1 (KR)
Title: Mos fet manufacture
Inventor: PARK SANG-HOON
IPC: H01L29/78
Filed: 1993-12-28
Granted: 1997-05-29
Abstract: A MOSFET (metal oxide semiconductor field effect transistor) and a method of fabricating the same is disclosed. The method of fabricating the MOSFET comprises the steps of: a) forming a first oxide layer on a semiconductor substrate(1); b) forming a photoresist pattern(9) on the first oxide layer; c)forming a semiconductor substrate(1) having a protusion etching the oxide layer to a predetermined thickness; d) removing the photoresist pattern(9) and the first oxide layer and overall stacking a gate oxide layer(2) and a polysilicon layer(3); e) forming a polysilicon layer pattern(3') for a gate electrode using an etching process; f) forming a LDD region(4) implanting ions and a insulating layer spacer(5); and g) forming a gate spacer(17) on the sidewalls of the polysilicon layer pattern(3') and a source/drain region(6) using an high-concentration ion implantation. Thereby, an insulating effect and electrical property is significantly improved.
Patent KR-100359792-B1 (KR)
Title: Active matrix liquid crystal display
Inventor: IWASAKI JISATO
IPC: G02F1/136
Filed: 1993-12-30
Granted: 2003-11-17
Abstract: PURPOSE: An active matrix liquid crystal display is provided to improve an aperture ratio and form an independent electrode line without deteriorating the aperture ratio and production yield. CONSTITUTION: An active matrix liquid crystal display includes a light-shielding conductive layer(25) that is formed along the flange of a pixel electrode(15) and electrically connected to the pixel electrode. The light-shielding conductive layer is formed of a metal material such as aluminum and has a thickness similar to the thickness of the pixel electrode. The light-shielding conductive layer is located between the pixel electrode and a signal electrode line(G) and between the pixel electrode and a scan electrode line(S). The size of an opening of a black mask is identical to or larger than the size of the pixel electrode, and identical to or smaller than the region including the pixel electrode and the light-shielding conductive layer.
Patent KR-970003651-B1 (KR)
Title: Sheet feeding method
Inventor: KIM KI-TAEK
IPC: B41J11/42
Filed: 1993-12-31
Granted: 1997-03-20
Abstract: In operation, the engine part, based on the self-diagnosis, informs the control part of status printing is ready. The control part awaits until the PC or work station, the host inputs optional data. When the computer transmits the print data at T2 time point to the control part, it sends a paper transmission request signal to the engine part at T3 time point. The engine part transports the recording media up to the array position and after the printing is completed on the paper, it controls to send out of a printer.
Patent KR-100225021-B1 (KR)
Title: Producing parts by compound formation of precursor powders
Inventor: BOURELL DAVID L
IPC: B29C67/00
Filed: 1991-12-06
Granted: 1999-10-15
Abstract: A method and apparatus for selectively sintering a layer of powder to produce a part comprising a plurality of sintered layers. The apparatus includes a computer controlling a laser to direct the laser energy onto the powder to produce a sintered mass. The computer either determines or is programmed with the boundaries of the desired cross-sectional regions of the part. For each cross-section, the aim of the laser beam is scanned over a layer of powder and the beam is switched on to sinter only the powder within the boundaries of the cross-section. Powder is applied and successive layers sintered until a completed part is formed. Preferably, the powder comprises a plurality of materials having different dissociation or bonding temperatures. The powder preferably comprises blended or coated materials, including precursor materials which are formed into a mass at the irradiated locations, and which either react due to the laser thermal energy or in a later heat treatment to form a compound with properties different than the precursors. Examples are disclosed wherein a compound is formed which has a significantly higher melting point than that of one or more of the precursor powders.
Patent KR-100295306-B1 (KR)
Title: 플루오르화수소의제거방법
IPC: C07C19/03
Filed: 1993-04-09
Granted: 2001-09-17
Abstract: 플루오르화수소, 디클로로메탄, 클로로플루오로메탄 및/또는 디플루오로메탄의 혼합물을 증류하여 플루오르화수소와 디클로로메탄, 플루오르화수소와 디플루오로메탄, 및 플루오르화수소와 클로로플루오로메탄의 2성분계 공비 혼합물을 제거하거나, 이러한 혼합물을 플루오르화수소가 풍부한 상부 액상과 플루오르화수소가 빈약한 하부 액상으로 분리하고 각각의 액상을 상술한 바와같이 증류하므로서 플루오르화수소를 혼합물로 부터 효율적으로 제거될 수 있다.
Patent KR-100228567-B1 (KR)
Inventor: ETCHU MASAMI
IPC: B29C55/12
Filed: 1993-04-16
Granted: 1999-11-01
Abstract: 건열 손상 및 습열 손상에 대한 내성이 뛰어나고, 비교적 수분 함량이 높은 분위기 하에서의 사용에 견딜 수 있으며, 예를들면 전기 절연용 필름, 투명 전극용 필름, 전자파 흡수용 필름(예컨대, 전자렌지의 투시창으로 사용되는 필름) 및 반사 필름으로서 유용한 이축 배향 폴리에스테르 필름. 
     이 폴리에스테르는 에틸렌-2,6-나프탈렌디카르복실레이트를 주된 반복 단위로 함유한다.
Patent RO-120290-B1 (RO)
Title: Control valve designed to control the flow of a gas according to its pressure
Inventor: BEAUDOUIN JEAN CLAUDE
IPC: F16K17/08
Filed: 1999-02-16
Abstract: The invention relates to a control valve designed to control the flow of a pressurized gas based on a comparison between the actual pressure of a gas reaching the valve and a reference pressure. Within a housing (1) the control valve comprises a valve body (25) with a calibrated orifice (27). A tight bellows (38) contains a control gas and has an elastic rigidity determining the reference pressure and maintaining the valve body (25) on a valve seat (15) as long as the actual pressure of the pressurized gas GPG is lower than the reference pressure, in order to force the pressurized gas GPG to flow through a calibrated orifice (27) and allows said valve body (25) to move away from the tight seat (15) when the actual pressure is at least equal to the reference pressure, in order to release the flow of pressurized gas GPG. The valve is applicable in particular to the control of a liquefied petroleum gas vaporizer.
Patent RO-119570-B1 (RO)
Title: Cable guiding assembly with lateral inlet
Inventor: WAMBEKE ALAIN
IPC: G02B6/44
Filed: 1999-03-03
Abstract: The invention relates to a cable guiding assembly in the systems for managing and organizing the same and particularly of the optical fibre cables. The guiding assembly comprises a funnel-shaped sheath (1) which confines a passing through channel (2) for guiding the cables. The sheath (1) is mounted in an outrigger (3) by means of two collars (4 and 5). Along the whole assembly there is practiced a slot (6) wherethrough the cables may be extracted laterally, without demounting them at one of the ends, their accidental coming out being prevented by a transverse oriented spur (19). The outrigger (3) is also provided with a front slot (8) to which the first slot (6) may be easily aligned by adequately rotating the sheath (1).
Patent RO-120927-B1 (RO)
Title: Wooden frame-wing joint
Inventor: RAAEPANU RADU ADI
IPC: E06B3/10
Filed: 2001-07-02
Abstract: The invention relates to a wooden frame-wing joint, for construction sashes and faces. According to the invention, the joint consists of a fixed part (a) and a mobile part (b) which are sealed by means of the sealing element (1) mounted inside a pedestal (2) fastened in a channel (3) practiced in the fixed part (a), as well as by means of a fitting (4) mounted in a channel (5) practiced in the mobile part (b), the channel (3) having the same geometry as the exterior of the sealing element (1) which is fastened in the pedestal (2).
Patent RO-122105-B1 (RO)
Title: Mobile floating hydrogenerator
Inventor: FRIGIOIU ROMEO
IPC: F03B13/00
Filed: 2004-03-05
Abstract: The invention relates to a mobile floating hydrogenerator used for producing useful mechanical energy, by using kynetic energy of running waters, which may be used directly on a running water by anchoring, without supplementary arrangement works. According to the invention, the hydrogenerator consists of a resistance structure, consisting of a sealed elongate floating recipient (1), having the shape of a hydrodynamically profiled rounded triangular prism, oriented with an edge downwards, and two lateral long curved profiles (2) mounted on either side of the edge at the base of the flotor (1), having at the ends some bearings (7) wherein there enter some axles (6) of some cylindrical drums (4) on which there is wound a conveyor belt (3) provided with some conical pockets (8).
Patent RO-125316-B1 (RO)
Title: Process for applying on textile fibres organic-inorganic hybrids with non-ionic chromogens in the sol-gel systems
Inventor: RĂDIŢOIU VALENTIN
IPC: D06P1/16
Filed: 2008-09-11
Abstract: The invention relates to a process for dyeing natural or synthetic fibres. According to the invention, the process consists of the impregnation of the textile fibre in a bath containing 20...60% tetraethyl-orthosilicate , 1...15% sizing agent, 1...30% modifying agent, 0.1...5% non-ionic chromogen, 0.05...0.5% acid catalyst, 10...40% solvent, 0.5...5% cross-linking agent and complexing agent, respectively, 5...20% additional solvent and 10...40% water, followed by drying at a temperature of 20...25°C for 2 hours, heat setting at 100...140°C for 10...60 min and rinsing in running water.
Patent RO-127185-B1 (RO)
Title: Hydraulic hoist for industrial loads
Inventor: DUMITRESCU CĂTĂLIN
IPC: F15B1/02
Filed: 2010-09-15
Abstract: The invention relates to a hydraulic hoist employed for lifting industrial loads having a weight of up to 1500 daN. According to the invention, the hoist consists of a lifting assembly () driven by a hydraulic cylinder (), a manual pump (), an electro-hydraulic group (), a secondary battery () and an electronic supply and charging group (), the hoist being driven either by means of the manual pump (), or electro-hydraulically, by means of an electrical pump () and a three-way distributor () which, together with a direction valve () ensures the correct direction of the fluid towards the hydraulic cylinder (), using the main power supply network as an electric power source or, when the supply with current at 230 V is not possible, using the secondary battery ().
Patent RO-129803-B1 (RO)
Title: Mobile station for surveying ichthyofauna by remote detection, in particular sturgeons, in difficult hydrological conditions
Inventor: DEAK GYORGY
IPC: G01N29/34
Filed: 2014-04-02
Abstract: The invention relates to a mobile station for surveying the ichthyofauna and especially sturgeons in various difficult hydrological conditions. According to the invention, the mobile station consists of red light warning system (), a floating tank () made of metal sheet filled with expanded polystyrene and polyurethane foam, a metal strip () made of stainless steel for reinforcing the connection system between the tank () and a protection pipe, a clamp () for anchoring to the bank, a system () for connection between the tank () and the protection pipe made of structural steel, a metal protection cover () with special closing system, a protection pipe () provided with slots for the passage of water, an automatic ultrasound receiver (), two cables () of stainless steel used for anchorage, one for anchorage to a sinker () at a depth of 5...10 m, and the other one for anchorage of the surveying station to the bank.
Patent SA-515360876-B1 (SA)
Title: Method and Device for Cleaning the Interiors of Incineration Plants
Inventor: RAINER FLURY
Filed: 2015-08-10
Abstract: The invention relates to a method and a cleaning device (51) for removing deposits in interiors (71) of tanks and systems (70) by means of explosion technology. By means of the cleaning device (51), an explosive, gaseous mixture is provided and caused to explode in order to clean the interior (71). The explosion pressure wave is conducted into the interior (71) via an outlet opening (69) in the cleaning device (51). The explosive mixture or gaseous components thereof are introduced into an accommodating chamber of the cleaning device (51) from pressure vessels (22, 24) at high velocity. Fig. 2
Patent SA-515361226-B1 (SA)
Title: Catalyst components for the polymerization of olefins
Inventor: GIAMPIERO MORINI
Filed: 2015-09-21
Abstract: A solid catalyst component for the (co)polymerization of olefins CH2=CHR, in which R is a hydrocarbyl radical with 1-12 carbon atoms, optionally in mixture with ethylene, comprising Ti, Mg, Cu, Cl, and an electron donor compound characterized by the fact that the Cu/Ti weight ratio is lower than 0.5.
Patent SA-518391925-B1 (SA)
Title: Electromagnetic Coupling for ESP Motor
Inventor: ROBERT LEE MARVEL
Filed: 2018-06-28
Abstract: A pumping system deployable in a wellbore includes a primary driven component, a secondary driven component and a motor. The motor is filled with a motor lubricant and includes a stator, a primary rotor assembly configured for rotation within the stator and a primary shaft connected to the primary rotor assembly and to the primary driven component. The motor further includes an internal magnetic coupling assembly inside the stator. The internal magnetic coupling assembly includes a secondary rotor assembly and a secondary shaft. The secondary rotor assembly and the secondary shaft are isolated from the motor fluid. Fig. 1
Patent SA-518400337-B1 (SA)
Title: Succinimide-Based Copolymers
Inventor: Hassan AL-AJWAD
Filed: 2018-10-30
Abstract: Copolymers having General Formula (I): (I) in which R1 is chosen from divalent C4 C7 aliphatic groups and divalent C4 C7 heteroaliphatic groups, optionally substituted with one or more C1 C6 aliphatic groups, heteroatoms independently chosen from O, N, and S, or combinations thereof, where: the divalent C4 C7 heteroaliphatic groups include one or two heteroatoms independently chosen from O, N, and S, and the maximum number of heteroatoms in R1 is two; x is a molar fraction range chosen from 0.05 to 0.95; and y is a molar fraction range chosen from 0.05 to 0.95, where the summation of x and y equals 1. Methods for inhibiting formation of clathrate hydrates in a fluid capable of forming the clathrate hydrates. The methods include contacting the fluid with at least one copolymer of General Formula (I) under conditions suitable for forming the clathrate hydrates. Fig 5.