baber/WOPTO huggingface dataset:
Patent KR-800001126-B1 (KR)
Title: Indication method for electronic watch
Inventor: HAN JUNG SEOB
IPC: G04C17/00
Filed: 1979-02-05
Granted: 1980-10-10
Abstract: Indication method for electronic watch comprises twelve dots(1,2,...5), eleven lines (10,11,...13) and a rhombus. The dots for indicating one to twelve o'clock are arranged in the apexes and in the central points of the side of a hexagon. A dot indicates unit hour. Each line for indicating five minute unit is arranged between dots. The rhomsbus divided into four triangles(6,7,8,9) indicating unit minute respectively is arranged in the other position of the side of the hexagon.
Patent KR-820001986-B1 (KR)
Title: Process for the production of aryldiazonium salts from nitrous vapours rich in nitric oxide
Inventor: RATTON S
Filed: 1979-02-28
Granted: 1982-10-23
Abstract: Aq. solns. of arom. amine salts were diazotized by a gaseous mixt. of No and NO2 having a net excess of NO.  Thus, a mixt. of NO and N2O3 in a molar ratio of 3:1 passed at 15 L/h into a soln. contg. 14.46g of PhNH2HCl at 2≰C provided a 100% yield of PhN2+Cl-.  Equimolar amts. of NO and NO2 were consumed and the excess NO was recycled.  The diazotized solns., in situ, were used to make the corresponding aminoazo compds. by reaction of NO and NO2 with a soln. contg. amine, arom. amine salt, and water in defined ratio limits.
Patent KR-820002055-B1 (KR)
Title: X ray photographing aparatus
Inventor: TETSUO MATSUURA
Filed: 1979-08-14
Granted: 1982-10-26
Abstract: The appts has an unexposed (FM1) & an exposed sheet film (FM2) magazine.  The two magazines are not arranged in line with exposure(7B) & stand-by positions(6B) of a carrier, but are located in offset positions relative to such positions, and the longitudinal axes of the megazines are disposed at right angles to an axis extending along a carrier path.  In this apps., the press plate(25b) inclining sheet films to the exit(25a) of the feed magazine(25) is installed, & a pair of rollers(28) for putting the film to the entrance(26a) of take-up magazine(26) is arranged.
Patent KR-840001492-B1 (KR)
Title: Shelf stable one-part temperature vulcanizable silicone rubber compositions
Inventor: SMITH JR ALFRED HERBERT
IPC: C08G77/08
Filed: 1980-06-24
Granted: 1984-09-28
Abstract: Shelf-stable catalyst compsn. for a one-part RTV silicone rubber compsn. comprises the reaction prod. of an abnhsion promoter selected from silyl maleates, furmates, succinates and (iso) cyanurates with an acyloxy-functional silane cross-linking agent (II). Forty to eighty parts wt. (II) and 5-15 parts wt. (I) are present and reacted at 40-150oC for 1 hr to 7days. prdf. (II) is RaSi (OAc)4-a(IIa)S (where R is 2-30 acyloxy and a is 1-3). Pref. the catalyst system further comprises 0.01-15 parts wt. metal salt of carboxylic acid with the metal ranging from Pb to Mn in the periodic table.
Patent KR-840000636-B1 (KR)
Title: An apparatus for continuous untwisting treatment of a cloth
Inventor: SANDO YOSHIGAZ
IPC: D06C23/04
Filed: 1980-06-26
Granted: 1984-05-02
Abstract: A cloth is continuously untwisted in the improved apparatus, which is composed of an atmospheric humidifying-heating chamber (1) and a consecutive pressurized chamber (9), where several endless net conveyors (2, 2' and 14, 14') are installed in parallel leaving space for textile passage, and where a number of water spray pipes (31, 31',32, 32', 15, 15') are installed in a zigzag position to spray hotwater on the textile passing through the converyor.  Temps. in 1 and 9 are 70-110≰C and 100-150≰C, respectively.
Patent KR-850001393-B1 (KR)
Title: Flocculating agents composition for water treatment
Inventor: JO NAM-YUN
IPC: B01D21/01
Filed: 1980-12-19
Granted: 1985-09-30
Abstract: Flocculating agents for water and wastewater treatment are produced by dissolving powdered organic polyacrylamide in neutral water that is free of salts or others contaminants, diluting it to 0.1-0.5%, agitating it for 3-4 hrs. at 3600 rpm, and adding to it 40-50% of inorganic polyaluminum chloride soln.
Patent KR-850001188-B1 (KR)
Title: Combustion apparatus for gas turbine
Inventor: SATO ISAO
IPC: F23R3/34
Filed: 1981-08-20
Granted: 1985-08-19
Abstract: A combustion method for a gas turbine that reduces emissions of nitrogen oxides involves: (1) mixing compressed primary air with primary gaseous fuel to form a primary air excess premixture; (2) introducing the primary air-rich pre-mixture into a combustion chamber from the upstream end of the combustion chamber to form a pre-mixture flame; (3) mixing secondary gaseous fuel and air to form a secondary air-rich pre-mixture; and (4) introducing the secondary pre-mixture into a region of the combustion chamber near the tip of the pre-mixture flame to effect low-temp. combustion of the lean mixture and reduce emission of nitrogen oxides.
Patent KR-860000419-B1 (KR)
Title: Foamed thermoplastic resin cork having a natural cork-like appearance and a method of injection molding the cork
Inventor: PAISLEY GARY V
IPC: B65D39/00
Filed: 1981-10-30
Granted: 1986-04-19
Abstract: The cork-like cap is manufd. by molding a strand of thermoplastic resin. A molding cavity is formed after the shape of cork. A strand of expansile thermoplastic resin is injected irregularly into the molding cavity through an orifice. When it gets a certain length, pressure is applied to the molding cavity. The lump of the strand is cooled to make cork-like cap.
Patent KR-880000807-B1 (KR)
Title: Process for preparing niootinie acid derivatives
Inventor: ENOMOTO HIROSHI
IPC: A61P15/00
Filed: 1982-06-05
Granted: 1988-05-11
Abstract: Nicotinoyl benzoguanamine derivatives of formula (I) and their acid addn. salts are prepd. by reacting benzoguanamine derivatives (II) with activated nicotinic acid derivatives. In the formula (I), X,Y (same or different) are H, halogen (X=Y=H excluded), Z=mono or di lower alkyl amino, piperidino, pyrrolidino or morpholino. The novel compds. are reversed passive Arthus rxn. (RPAR) inhibitors.  The RPAR inhibitor is useful for treating rheumatism and allergic nephritis.
Patent KR-890002119-B1 (KR)
Title: Automobile suspension system
Inventor: KUMAGAI NAOTAKE
IPC: B60G17/016
Filed: 1985-02-13
Granted: 1989-06-20
Abstract: A control unit (1) receives an input signal relative to the vehicle speed from a pulse generator (3) and a measure of any variation in the height of the vehicle body (4) transmitted through a rod arm (8) and a rode (15) interconnected with an arm (16) attached to the shaft of an angle sensor (14).  Further signals are generated of steering wheel angle, from a sensor (2), and acceleration from a 'G' sensor (17).  The control unit (1) controls a variable orifice (6) in the oil circuit of a shock absorber (5), through an actuating device, thus exerting control on the shock absorber clamping factor.  The control (1) also controls the interconnecting path (10) of an air spring (9) consisting of spring chambers (9A,9B).
Patent KR-920007736-B1 (KR)
Inventor: BUCHER GEORGE D
IPC: G21C3/10
Filed: 1985-02-27
Granted: 1992-09-16
Abstract: 내용 없음.
Patent KR-900006977-B1 (KR)
Title: Vibratory wave soldering of printed wiring boards
Inventor: DEAMBROSIO CARLOS A
IPC: B23K1/08
Filed: 1986-05-02
Granted: 1990-09-25
Abstract: In a wave soldering process an oscillation is produced in the solder wave during the passage of an element through the wave. A vibrating vane is provided in the solder wave on the end of a connector rod which is connected to a vibrator located away from the wave. Oscillation or vibration aids in filling small holes in a board, crevices, corners adjacent to solder masks and other areas where solder wetting is difficult to achieve with conventional machines. A relatively high frequency oscillation in the solder wave displaces or dislodges gas bubbles that form beneath the boards.
Patent KR-890004942-B1 (KR)
Title: Drag froce measuring device for spinning reels
Inventor: KANEKO KYOICHI
IPC: A01K89/01
Filed: 1986-05-26
Granted: 1989-12-02
Abstract: The reel includes a bailed rotor rotatably borne in a reel body.  A spool is borne rotatably and axially reciprocally on the reel body through a spool pin.  A fishing line is wound on the reel body in accordance with the revolutions of the rotor.  A dragging mechanism is mounted on the reel body and joined to the spool pin.  A dragging force measuring device includes a measuring operation member (20) for revolving the spool in a direction to let off the fishing line.  A measuring spring member connects the operation member and the spool to establish a drevolving torque according to a dragging force set by the dragging mechanism as the operation member revolves.
Patent KR-890004423-B1 (KR)
Title: Pnp type bipolar tr device and the manufacturing method
Inventor: PARK YOUNG-JUN
IPC: H01L29/70
Filed: 1986-08-23
Granted: 1989-11-03
Abstract: The PNP bipolar transistor utilizes the doped area in which an etched oxidation layer was stuffed with boron doped polysilicon as an emitter and a collector region.  Advantages of this device are higher integration, higher current efficiency, the ease of metal wiring, and the use of the polysilicon as a resistor.
Patent KR-910006877-B1 (KR)
Inventor: LASKARIS EVANGELOS T
IPC: H01F7/20
Filed: 1986-09-22
Granted: 1991-09-09
Abstract: 내용 없음.
Patent KR-910001191-B1 (KR)
Inventor: NOGUJJI DATSUO
IPC: H01L21/28
Filed: 1986-11-25
Granted: 1991-02-25
Abstract: 내용 없음.
Patent KR-930003642-B1 (KR)
Inventor: KOTO MITSUHIRO
IPC: C22C26/00
Filed: 1986-12-20
Granted: 1993-05-08
Abstract: 내용 없음.
Patent KR-890004565-B1 (KR)
Title: Manufacture of electrodes on semiconductor body
Inventor: NAM CHUN-WOO
IPC: H01L21/60
Filed: 1987-02-28
Granted: 1989-11-15
Abstract: The method is to reform precise electrode patterns of the GaAs substrate by using only single layer positive photoresist having the poise of 30-35 m2/s at 25≰C without various space materials and processing steps.  The method comprises: (1) coating the GaAs substrate with the photoresist of 1.5  m thick, after washing the GaAs substrate with chemical solution; (2) softbaking the covered photoresist for 15 to 20 min. at 85-90≰C; (3) developing the photoresist in  the diluted solution at 20-23≰C, after exposing it to light; (4) hard-baking the photoresist for 20-25 min. at 110-120≰C, and (5) lifting off the photoresist in aceton, after depositing an electrode metal on the substrate by vaporization.
Patent KR-950014056-B1 (KR)
Inventor: FOUCHER JEAN CLAUDE
IPC: F28F9/22
Filed: 1987-03-13
Granted: 1995-11-20
Abstract: 내용 없음.
Patent KR-890002701-B1 (KR)
Title: Durable electrodes for electrolysis and process for producing the same
Inventor: MASUMTO YUKIEI
IPC: C25C7/02
Filed: 1987-06-02
Granted: 1989-07-24
Abstract: Durable electrode for electrolytic use comprises an electrode substrate made of a conductible metal with a coating of an active electrode substance.  Two intermediate layers are provided, the first layer consisting of at least one cpd. of a rare earth metal and the second layer consisting of at least one of base metal and base metal oxides.  The conductible metal is pref. made of T, Ta, Nb, Zr or an alloy thereof.  The electrode substrate is subjected to an conductible metal of a nitride, bride or carbide treatment.
Patent KR-900003459-B1 (KR)
Title: Forming method of pattern on the artificial lawn and pile fabric
Inventor: KIM HONG-HO
IPC: B29C51/18
Filed: 1987-06-20
Granted: 1990-05-19
Abstract: The pattern forming device makes the patterm on the thermoplastic artificial lawn or pile fabric (e.g. carpet). The method consists of thermal transferred sheet setting process on the artificial lawn or pile fabric, high frequency pattern plate compressing process by hot forming press. The device includes a high frequency pattern plate, heat insulation layer formed insulation plate which moves by a guide rod, a compression spring.
Patent KR-890004807-B1 (KR)
Title: Dna coding for antigen protein of rinderpest virus
Inventor: YAMANOUCHI GAZEUYA
IPC: C12N15/09
Filed: 1987-08-27
Granted: 1989-11-27
Abstract: The method for preparing DNA coding for antigen protein of rinderpest virus comprises : (a) extracting mRNA from rinderpest virus by the guanidium-cesium chloride method; (b) preparing cDNA library from mRNA by the use of H gene of subacute sclerosing parencephalitis (SSPE) as probe; (c) selecting cDNA coding target proteins from cDNA in cloning vector and screening by colonyhybridization method.
Patent KR-900006669-B1 (KR)
Title: Protable circulator for the golf game score
Inventor: HUH SANG-JIN
IPC: A63B71/06
Filed: 1987-10-22
Granted: 1990-09-17
Abstract: The recorder for confirming golfer's score as well as present time at any time comprises; a key matrix switch (1) for inputting the score and time; a microprocessor (2) including a program counter (11), a RAM (12), a processor (13), a controller (14) an oscillator (16), a divider (17), a time counter (18), a segment driver (19), and a LCD driver; and a displayer (3) displaying the time, score, and other record.
Patent KR-930007834-B1 (KR)
Inventor: FLANNAGAN STEPHEN T
IPC: G11C8/12
Filed: 1986-05-05
Granted: 1993-08-20
Abstract: 내용 없음.
Patent KR-950008571-B1 (KR)
Inventor: STALKER DAVID M
IPC: C12N15/63
Filed: 1987-01-05
Granted: 1995-08-03
Abstract: 내용 없음.
Patent KR-900008240-B1 (KR)
Title: Method and apparatus for making gelatinized corn powder
Inventor: KIM MAN-SU
IPC: B02C9/00
Filed: 1988-02-04
Granted: 1990-11-06
Abstract: Prodn. of expanded grain powder by using steam extruder comprises (a) storing 20-50 mesh of grain powder and water in hopper. (grain powder: water= 100:6-10), (b) transporting it to the 1st cylinder and heating at 90-110 deg.C, (c) transporting it to the 2nd cylinder and heating at 170-190 deg.C to obtain gelatinized grain, (d) transporting it to the 3rd cylinder and heating at 230-250 deg.C to obtain extruded grain, and (e) pulverizing the extruded grain.
Patent KR-960010043-B1 (KR)
Inventor: WINSLOW LOUIS E
IPC: C08F2/24
Filed: 1988-04-14
Granted: 1996-07-25
Abstract: 요약없음
Patent KR-900005515-B1 (KR)
Title: Fluxing stone and method for the manufacture thereof
Inventor: ROTHFUSS HANS
IPC: C21C7/072
Filed: 1988-08-12
Granted: 1990-07-30
Abstract: A gas-fluxing stone of a refractory ceramic material comprises a truncated long inner section, outer ceramic section and network of channels in one or both section. The inner section is inserted into the ceramic outer section. The channels are formed directly on the inside of the outer section and/or on the outside of the inner section.
Patent KR-950004609-B1 (KR)
Inventor: AHLBORN FRANK
IPC: F02D41/34
Filed: 1987-08-12
Granted: 1995-05-03
Abstract: 내용 없음.
Patent KR-920004329-B1 (KR)
Inventor: TAKEDA SHIGERU
IPC: H01P1/365
Filed: 1989-01-20
Granted: 1992-06-01
Abstract: 내용 없음.
Patent KR-0137776-B1 (KR)
Inventor: KOSHIBA MITSUNOBU
IPC: C08K5/22
Filed: 1989-02-21
Granted: 1998-04-27
Abstract: 없음
Patent KR-0132214-B1 (KR)
Inventor: STANLEY ROY KELLENBERGER
IPC: A61F13/15
Filed: 1989-04-20
Granted: 1998-04-14
Abstract: 내용없음.
Patent KR-970003989-B1 (KR)
Inventor: WIDIN GREGORY P
IPC: A61B5/00
Filed: 1989-05-09
Granted: 1997-03-24
Abstract: 요약 없음.
Patent KR-910008015-B1 (KR)
Title: Manufacturing method for a flourescent screen for color crt
Inventor: KIM SEONG-WOOK
IPC: H01J9/22
Filed: 1989-07-06
Granted: 1991-10-05
Abstract: A fluorescent film of the color cathode ray tube is  produced by coating a positive photosensitive resin on the  inner  side  of the panel to form a resin film, coating a  fluorescent  powder  on the resin film, developing the film with a  pure  water,  treating the developed film with a boric acid, and washing it with  a  pure water of room temp.
Patent KR-910008131-B1 (KR)
Title: Automatic turning method of double conversion
Inventor: MUN TAE-HYUNG
IPC: H03J3/00
Filed: 1989-11-29
Granted: 1991-10-10
Abstract: A method is for reducing the filter loss of  the  color/voice carrier by retuning the tuning  voltage  by  means  of  a  voltage controlled oscillator. The method comprises the steps  of:  tuning the voltage controlled oscillator with a PLL; controlling  the  RF signal into the tuning voltage reading from  a  memory;  comparing the controlled AGC voltage with the maximum  AGC  voltage  in  the memory; driving the IF AGC voltage when the max.  AGC  voltage  is less or equal than the tuned AGC voltage; storing the AGC  voltage into the memory when the max. AGC voltage is larger than the tuned AGC voltage; controlling the tuning voltage to obtain the max. AGC voltage gain.
Patent KR-970003199-B1 (KR)
Inventor: KLAINER STANLEY M
IPC: G02B6/02
Filed: 1988-05-06
Granted: 1997-03-15
Abstract: 내용없음.
Patent KR-930001062-B1 (KR)
Title: Process for the preparation of aloe products and compositions thereof
Inventor: MCNALLEY BILL H
IPC: C07H15/244
Filed: 1989-01-12
Granted: 1993-02-15
Abstract: A process is described for extracting a pharmaceutically active polysaccharidic substance from the aloe plant. The pharmaceutically active polysaccharidic substance and its characteristic properties are described.
Patent KR-920007722-B1 (KR)
Title: Font rom's charactor reduction printing method
Inventor: LEE HYON-YONG
IPC: G06K15/02
Filed: 1990-01-10
Granted: 1992-09-15
Abstract: The method stores font data read from a Pont ROM in an  image buffer with  size  reduced  horizontal  directions.  The   method includes steps: (A) multiplying the number of column of pont  data by 2/3 to obtain counter value and storing starting addresses of a pont ROM and an image buffer on registers (HL,DF); (B)  storing  3 on a register (C), reading pont data in starting address and in an address added starting address  by  3,  decreasing  content  of  a register (C) by 1; (C) decreasing the counter value by 1 when  the content of the register (C) reaches zero, otherwise, adding 4  and 1 to contents of registers (HL,DE) respectively, storing 3 on  the register (C), reading pont data and storing the data on address of an image buffer same  as  contents  of  the  register  (DE),  and decreasing the content of the register by I;  and  (D)  decreasing the counter value by one when the  content  of  the  register  (C) reaches zero  and otherwise  adding  contents  of  the  registers (HL,DE) by one.
Patent KR-0133059-B1 (KR)
Inventor: OSBO HIROSI
IPC: A01C11/02
Filed: 1990-04-03
Granted: 1998-04-14
Abstract: 본 발명인 이앙기의 예비모수용구조는 경사형태로 되어 있고 이앙용 모를 적재하여 일정한 스트로크로 좌우왕복운동 하는 모적재대(3)와 전기한 모적재대(3)의 상방향에 위치하며 모적재대(3)측에 설치된 걸기부재(15)에 걸어서 예비모를 적재 유지하는 모적재 상태에서 전기한 걸기부재(15)에 대한 잠금이 풀려서 하방향으로 요동하는 모공급 상태로 전환요동이 가능하게 되어있는 예비모수용장치(11)와 전기한 모적재대(3)의 모적재부(3a)의 중간부위에 설치되며 모의 양이 감소된 것을 검지 하는 모잔량센서(16)와 전기한 모잔량센서(16)의 검지작동에 의하여 작동되고 전기한 걸기부재(15)의 잠금 상태를 풀어서 전기한 모적재 상태의 예비모수용장치(11)를 모공급 상태로 전환시키는 구동액츄에이터(14)로 구성되어 있는 이앙기의 예비모수용구조에 있어서, 전기한 모적재대(3)가 스트로크엔드에 도달한 것을 검지 하는 스트로크엔드검지센서(25a),(25b)가 설치되어 전기한 모잔량센서(16)가 검지 작동한 후 전기한 스트로크엔드검지센서(25a),(25b)가 검지 작동하면 전기한 구동액츄에이터(14)를 작동시켜서 전기한 예비모수납장치(11)를 모공급 상태로 전환시키는 제어장치를 설치한 이앙기의  예비모수납구조이다.
Patent KR-0152085-B1 (KR)
Inventor: VAN DER VOORT VICTOR HENRICUS
IPC: H04N5/44
Filed: 1990-08-21
Granted: 1998-10-15
Abstract: 내용 없음
Patent KR-930011862-B1 (KR)
Inventor: OTSUKA NAOJI
IPC: B41J2/195
Filed: 1990-09-18
Granted: 1993-12-21
Abstract: 내용 없음.
Patent KR-930008834-B1 (KR)
Inventor: HOTTA HIROSHI
IPC: B29C45/00
Filed: 1990-09-24
Granted: 1993-09-15
Abstract: 내용 없음.
Patent KR-100196230-B1 (KR)
Title: Device for changing a band
Inventor: JOACHIM STROSZYNSKI
IPC: B65H19/18
Filed: 1990-11-06
Granted: 1999-06-15
Abstract: A device (1) for flying band change consists of an unwinding station (3) and an unwinding station (4) which are arranged left and right of a band changer (2). A new band (5) and, respectively, a band (6) which is running out are guided together from the unwinding stations in the band changer (2) in a V-shaped manner from top to bottom through channels (26, 27) in a pressure roller unit (9). The band changer (2) moreover has rotational cross cutters (19, 20) for cutting the bands (5) and (6). The new band  (5) is provided with an adhesive strip (40) which leads to an adhesive connection with the band (6) which is running out in the pressure roller unit (9). <IMAGE>
Patent KR-930000468-B1 (KR)
Title: Method for producing a titanium compound coating
Inventor: LEE YONG-BAEK
IPC: C23C14/00
Filed: 1990-12-28
Granted: 1993-01-21
Abstract: A  titanium  (Ti)  compound  coating  is  formed  with   the deposition device, which comprises evaporating sources (4,4'),  an ionized electrode (6) and a filament (5) set in  a  vacuum  chamer (2), and the ionized electrode (6)  is  arrayed  opposite  to  the filament (5) on the evaporation sources (4,4'). Its coating method is composed of (A) chrging a grain  shaped  titanium  in  a  boat, which uses graphite or tungsten boat as  evaporting  sources,  (B) inducing arc discharge more than 10 A into the  ionized  electrode (6) without gas  introduction,  (C)  introducing  a  reactive  gas containing titanium compound by providing a gas  introducing  hole (9) accompanied with  leak  valve  (7)  near  by  the  evaporating sources (4,4'),  (D)  controlling  the  partial  pressure  of  the introduced component gas by the leak valve (7) and main valve (8), and (E) reactive ion plating in the  controlled  pressure  of  the reactive gas.
Patent KR-920002364-B1 (KR)
Inventor: MIZUTANI TOMOJI
IPC: B29C55/26
Filed: 1989-09-14
Granted: 1992-03-23
Abstract: 내용 없음.
Patent KR-940002780-B1 (KR)
Title: Structure and manufacturing for high voltage tr
Inventor: LEE YUN-KI
Filed: 1991-01-16
Granted: 1994-04-02
Abstract: The structure of a high-voltage transistor, and manufacturing method thereof, includes a first conductivity-type substrate with a trench, a source/drain area in which a high-concentration second conductivity-type and a low-concentration second conductivity-type are formed vertically on both sides of the trench, a gate electrode formed on the trench, a field oxide layer formed between the source/drain area and gate electrode, and a gate insulating layer formed between the substrate of the trench and the gate electrode, thereby reducing the layout area.
Patent KR-970005186-B1 (KR)
Title: Continuous method for preparation of tetraphosphoruos poly sulphides
Inventor: ENGEL PHILIPPE
IPC: B01J19/24
Filed: 1991-01-24
Granted: 1997-04-14
Abstract: The invention concerns a continuous procedure for the preparation of tetraphosphorus polysulphides. 
<??>This method consists in carrying out the reaction in a loop reactor. 
<??>It is particularly suitable for the preparation of tetraphosphorus decasulphide P4S10.
Patent KR-950000758-B1 (KR)
Inventor: YAMAUCHI HIROYUKI
IPC: H01L27/02
Filed: 1991-03-21
Granted: 1995-01-28
Abstract: 내용 없음.
Patent KR-940000190-B1 (KR)
Inventor: LEE KIL-SU
IPC: A61B5/04
Filed: 1991-04-17
Granted: 1994-01-12
Abstract: 내용 없음.
Patent KR-940002560-B1 (KR)
Title: Reactive black dye composition
Inventor: KIM DONG-KIL
IPC: C09B62/523
Filed: 1991-04-19
Granted: 1994-03-25
Abstract: The reactive black dye composition of formula (I) is prepared by coupling 2 moles of aromatic compound of formula (II) with 1 mole of a compound of formula (III-1), 1 mole of a compound of formula (III-2) and 1 mole of a compound of formula (III-3). In the formulas X is a group like -SO3H, which can be isolated by alkylating reaction; R1 and R2 are independently H, methyl or methoxy. Particularly the addition amounts of compounds of formulas (III-1), (III-2) and (III-3) are 55-57 %, 5-10 %, and 20-25 %, respectively.
Patent KR-960002775-B1 (KR)
Inventor: FUJISHIMA KAZUYASU
IPC: G11C11/407
Filed: 1991-06-04
Granted: 1996-02-26
Abstract: 내용 없음.