baber/WOPTO huggingface dataset:
Patent KR-820000523-B1 (KR)
Title: Process fpr producing l-alginine
Inventor: LIM B
IPC: C12P13/10
Filed: 1980-01-31
Granted: 1982-04-12
Abstract: L-Arginine is produced by an aerobic mixed culture of Brevibacterium mutants.  Thus, B. flavum MS-05760(KFCC-10018), which lacks arginine decarboxylase and arginine decarboxyoxidase was cultured with shaking at 30oC for 32 hrs. in a nutrient medium(pH 7.2) contg. molasses.  Also, B. flavum MS-05570 which lacks arginine desiminase was cultured with shaking at 30oC for 28 hrs. in a nutrient medium (pH 7.2) contg. molasses.  Prodn. of L-arginine was 30.2 mg/ml when a mix.(1:1) of the culture broth was cultured for 28 hrs.
Patent KR-840000009-B1 (KR)
Title: Process for preparing novel heterocyclic anthracyline compounds
Inventor: KENDE ANDREW STEVEN
IPC: C07D333/74
Filed: 1980-04-01
Granted: 1984-01-25
Abstract: Novel heterocyclic anthracycline compounds of formula(I) is prepared by treating cis-diol chloroform solution (XII), and then with 4-0-P-nitrobenzyl-3-N-trifluoroacetyl daunos aminyl chloride to obtain a compd. (XIV) which is treated with 0.1 N-NaoH and hydrochloric acid, successively.
Patent KR-820000662-B1 (KR)
Title: Manufacture method of shoes middle sole with pulp
Inventor: KIM Y
IPC: A43B13/42
Filed: 1980-12-30
Granted: 1982-04-22
Abstract: An insole having an effect to protect athlete's foot and decrease fatigue when walking is made several steps.  Thus, a pearmable fiber board is made from liq. cellulose pulp and the fiber board is impregnated in mixing emulsion of poly urethane latex, polyvinylalcohol and urea-formaldehyde polymer followed by heating, pressing and cutting to give the shoe sole.
Patent KR-880002278-B1 (KR)
Title: Method of blackening steel components for cathode ray tubes
Inventor: COMBERG ALBERT
IPC: C23C18/48
Filed: 1981-04-06
Granted: 1988-10-21
Abstract: Steel components are blackened by providing an adherent Bi layer on the components by electroless plating in a Bi salt dispersion or soln., pref. acid medium surface active agent, and heating in an oxidizing atmos. at 350-650 deg.C for long enough to form a black layer on the surface of Bi coated parts.  The components are used in colour cathode ray tubes, e.g. shadow masks and shadow mask frames. The blackening process facilitates cooling, is reproducibly formed and is free of disadvantages of known blackening processes, giving high emissive power in the 1-30 micron range, high electron reflection and good stability to electron bombardment.
Patent KR-850000738-B1 (KR)
Title: Mechanism for delivering a continuous filament
Inventor: SARFATI ALBERTO GUSTAVO
IPC: H02K49/06
Filed: 1981-07-29
Granted: 1985-05-24
Abstract: A broke mechanism regulates the thread feed. A coupling mechanism comprises an annular magnet (10) arranged in a fixed position concentrically to the accumulator axis. The winding (9) of the annular or coil magnet is connected to a voltage source, controlled by a pick-up sensing device, and is surrounded by a two-part housing (7,8) that concentrates its magnetic field lines. One housing part (7) is connected permanently with the drive (5,4) and is rotatably mounted and forms a slot (11) with respect to the other stationary housing part (8).
Patent KR-860000402-B1 (KR)
Title: Embroidering apparatus for use with sewing machines
Inventor: MIGUNI YOSHIO
IPC: D05C9/06
Filed: 1981-11-30
Granted: 1986-04-17
Abstract: Embrodery appts. for sewing machines comprises work support frame universally moving along mutually-perpendicular guide rails and is connected to spontaneously-acting pattern carrier table which stands adjacent to fixed pattern-tracing needle. Alternatively, pantograph appts. replaces the guide rails. Patterns need not be drawn directly onto fabric panels for embrodering. Instead single pattern is usuable repeatedly.
Patent KR-840002480-B1 (KR)
Title: Opening method of open-end spinning frame
Inventor: SEIKI KAZUO
IPC: D01H4/32
Filed: 1981-12-22
Granted: 1984-12-31
Abstract: The combing roller casing has tandem spaced fiber inlet port, trash exit port and fiber feed channel port, each port having an upstream edge and a downstream edge. At least one port edge has attached to it a long strip of wear-resistant material, specifically the downstream edge of the trash exit port. Wear-resistant strips are cheaper and easier to fit than conventional casing lining rings.
Patent KR-880001808-B1 (KR)
Title: Process for the preparation of elastase-containing composition
Inventor: TAKI KAZUO
IPC: A61K38/00
Filed: 1982-02-03
Granted: 1988-09-19
Abstract: Prepn. of elastase (I)-contg. compsns. for oral admin. comprizes (a) mixing 1 wt. part pure (I) with 0.5-50 wt. pts. sucrose fatty acid (C12-18) ester (II) and (b) formulating the mixt. into powders, granules with adjuvant, capsules with adjuvant, tablets with adjuvant, and water-durable tablets or granulas coated with films. Pref. ester (II) is a mixt. of sucrose mono-, di- and tri-(fatty acid) esters, with at least 70% mono-ester present.  The acid is stearic, palmitic, lauric or oleic acid.  The compsns. are useful for treating arteriosclerosis and hyperlipaemia.
Patent KR-870000519-B1 (KR)
Title: Electromagnetic contactor
Inventor: OKATO HIROYUKI
IPC: H01H50/04
Filed: 1982-02-04
Granted: 1987-03-13
Abstract: The electromagnetic contactor has a base including a lateral opening and an internal space, and two rails disposed at the bottom of the internal space. A U-shaped stationary iron core including two guides on both sides is assembled into a coil holder so that one leg of the U is surrounded by an operating coil held by the coil holder. The coil holder is then inserted into the internal space in the base through the lateral opening with the guides engaging the rails until it is removably positioned in the internal space.
Patent KR-860001876-B1 (KR)
Title: Process for heterocyclic carboxamide
Inventor: ERIKSOO EDGAR
IPC: C07D417/12
Filed: 1982-03-03
Granted: 1986-10-24
Abstract: 1,4-Disubstd.-3-(N-substd.-carboxamido)-2-oxo-1,2-dihydroquinoline derivs. and analogues of formula(I), and their tautomers in which A1 and A2 are interchanged and the double bond is in the 2,3-posn., and their acid-addn. salts are new. (R1-R3 are H, C1-4 alkyl, C1-4 alkoxy, NR6R7 or NR6COR8; or R1+R2 or R2+R3 form O-COR8; R4  is C1-4 alkyl, C2-4 alkenyl, C1-4 alkylene forming a ring with the 8-posn. C atom; R5 is 5-or 6-membered heterocyclic ring; A1 is OR12, O-COR8; Az is O or NR6; R6 and R7 are H or C1-4 alkyl; R8 is C1-4 alkyl; R12 is H, a cation of C1-4 alkyl; and R13 is H or C1-4.
Patent KR-880000720-B1 (KR)
Title: A tambourine
Inventor: OH IN-SON
IPC: G10D13/02
Filed: 1982-04-23
Granted: 1988-04-25
Abstract: A plurality of tape-form wood strips are overlaid in multilayers in a manner for the grain directions of the strips to cross one another at right angle.  The multilayer wood strips are immersed in a bath (3) containing stearic acid and paraffin liquid mixed in the solution of phenol resin and alcohol to stand for a long period and allow the penetration of phenol resin solution in the wood structure.  The strips are then taken out to be pressed with heat in a mould for 30min. at 200≰C to produce a ring-shaped tambourine frame.
Patent KR-910000603-B1 (KR)
Inventor: PAVLATH GEORGE A
IPC: G01C19/64
Filed: 1982-07-29
Granted: 1991-01-28
Abstract: 내용 없음.
Patent KR-900006114-B1 (KR)
Title: Fast fading photochromic glass
Inventor: KERKO DAVID J
IPC: C03C4/06
Filed: 1983-09-16
Granted: 1990-08-22
Abstract: The fast fading photochromic glass comprises 56-60 wt.% SiO2, 18-21 wt.% B2O3, 6-9 wt.% Al2O3, 2.5-3.5 wt.% Li2O, 0.5-2.5 wt.% Na2O, 5-7 wt.% K2O, 3.75-5 wt.% ZrO2, 0.1-0.15 wt.% PbO, 0.15-0.25 wt.% Ag, 0.2-0.35 wt.% Cl, 0.075-0.15 wt.% Br, 0.004-0.02 wt.% CuO and 0-0.5 wt.% CeO2 (where the Ag, Br, Cl and CuO are analysed in the glass). The photochromic glass is capable of bending chemically strengthened to modulus of rupture values in excess of 35000 PSI (241 MPA) with a depth of compression layer of at least 0.030 inch (0.076 cm)
Patent KR-920006351-B1 (KR)
Inventor: CHANG WONG KWEE
IPC: H05K3/06
Filed: 1984-02-24
Granted: 1992-08-03
Abstract: 내용 없음.
Patent KR-870002133-B1 (KR)
Title: Detecting method of phosporous in metal
Inventor: HUNANASHI YOSHIKO
IPC: G01N31/22
Filed: 1984-11-14
Granted: 1987-12-09
Abstract: Test medium for detecting P segregates in a metallic material comprises a 0.1-80wt.% AgNO3 soln., opt. contg. an alcohol, pref. a lower alkanol.  The material is pref. in the form of a sheet impregnated with the soln. and pref. dried; the sheet is pref. paper.  The impregnated sheet is held in contact with the steel sample surface.  The sheet is then pref. fixed in thiosulphate. The steel surface is pref. initially etched, using a soln. of an acid(salt) and an alcohol, pref. a lower alkanol.
Patent KR-890000439-B1 (KR)
Title: Thermal transfer recording apparatus
Inventor: MATSUNO JYUNICHI
IPC: H04N1/193
Filed: 1985-04-18
Granted: 1989-03-17
Abstract: This invention is a concentration gradation type thermal transfer recording apparatus for high-speed and high-density picture.  This recording apparatus comprises a thermal head, a carrier with thermal sheets and a platen roller opposite to the thermal head.  The thermal head includes heating elements generating heat in accordance with transfer energy, paintings-andwritings signal.  While paintings-and writings are recorded on the thermal sheets, concentration gradation control is performed by controlling the transfer energy.  A motor continuously drives the platen roller.  There are a rotation measuring means and a concentration gradation controller.
Patent KR-920003738-B1 (KR)
Inventor: CHEN PHU
IPC: C02F5/00
Filed: 1985-04-29
Granted: 1992-05-09
Abstract: 내용 없음.
Patent KR-890003843-B1 (KR)
Title: Process for producing the double sulfate of desoxyfructosyl serotonin and creatinine
Inventor: BERTORAT RAYMOND
IPC: C07D233/88
Filed: 1985-07-27
Granted: 1989-10-05
Abstract: A double sulphate of 1-desoxy-(5-hydroxy tryptamino)-Dfruuctose (I) and 1-methyl hydantoin-2-imide (II) is prepared by adding (II) to a soln. of (I) contg. sulphuric acid at pH 3, and separating the double sulphate by the concn. and addn. of ethanol. The double sulphate is useful for anti-platelet aggregating agent, antiradioactive agent, and anti-leprosy agent.
Patent KR-890003919-B1 (KR)
Title: Portable typewriter
Inventor: CHANG TAE-UL
IPC: B41J3/36
Filed: 1985-12-03
Granted: 1989-10-12
Abstract: The portable typewriter, which is movable over a paper, includes four typing belts (62,62a,62b,62c) within a belt box (3) arranging types, a drum (2) stopping the four typing belts by control of a keyboard (1) key, a drive unit having a desired type positioned at a typewriting point, and a striker unit (5) striking the type on a paper by a rotary motion.  A transfer belt (16) makes the whole body of the typewriter move over a paper by the space of one character instantly after typewriting one character. Selection between red and black inked ribbons is possible, and typewriting various kinds of characters being also possible by changing the typing belts.
Patent KR-910004485-B1 (KR)
Inventor: SEBINI FRANCO
IPC: C08F10/00
Filed: 1986-01-29
Granted: 1991-06-29
Abstract: 내용 없음.
Patent KR-900001183-B1 (KR)
Title: A preparation process for substituted 2,3,4,9-totrahydro-1h-carbazole-1-acetic acid
Inventor: MOBILIO DOMINIQUE
IPC: C07D209/86
Filed: 1986-04-15
Granted: 1990-02-27
Abstract: Title cpds. of formula (I) and their salts, havign an antiinflammatory, analgesic and antipyretic activity, are prepd.  In (I), R1, R2, R3, R4, R5 and R6 are each H or lower alkyl, R3 and R4 together form (CH2)m[m=2-3 , or R5 and R6 together form -CH=CH-CH=CH- , (CH2)n[n=2-4 , -CH=CH-O- or -CH=CH-S-; R8 and R10 are each H, lower alkyl or halogen; R9 is H or lower alkyl.
Patent KR-940000659-B1 (KR)
Inventor: HANSEN GUNTER
IPC: C09B29/033
Filed: 1986-05-14
Granted: 1994-01-26
Abstract: 내용 없음.
Patent KR-940000273-B1 (KR)
Inventor: HONG PAUL O
IPC: C08F2/18
Filed: 1986-05-20
Granted: 1994-01-14
Abstract: 내용 없음.
Patent KR-940003798-B1 (KR)
Inventor: FAEILD JR ALEXANDER LITTLE-JOH
IPC: G21C3/334
Filed: 1986-06-03
Granted: 1994-05-03
Abstract: 내용 없음.
Patent KR-950007221-B1 (KR)
Inventor: NOGUCHI DAMIO
IPC: C08J7/04
Filed: 1986-10-23
Granted: 1995-07-04
Abstract: 내용 없음.
Patent KR-900005602-B1 (KR)
Title: Multi user industrial camera control system and method using video matrix
Inventor: LEE DAE-YOUNG
IPC: H04N7/18
Filed: 1986-12-16
Granted: 1990-07-31
Abstract: The industrial supervisory camera control system comprises a control board (1) for selecting the operation mode and the camera/ monitor number, a memory (3) for storing program and processing data, a CPU (2) for processing data from the control board and providing correspondent address data, a first address decoder (4) for providing the video matrix function enable signal and the memory selection signal, a second address decoder (5) for providing the video matrix group selection signal, a third address decoder (6) for providing the monitor selection signal, a data decoder (7) for providing the camera selection signal, and a video matrix section (8) for selecting an image input/output channel by above selection signals.
Patent KR-900003027-B1 (KR)
Title: Semiconductor memory device having static read only memory
Inventor: YOSIDA MASANOBU
IPC: H01L23/552
Filed: 1986-12-17
Granted: 1990-05-04
Abstract: The semiconductor memory includes a substrate having one conductivity type read only memory element formed in the substrate for storing fixed information. The element has a control gate, a floating gate, a source region, and a drain region. Both of the regions have an opposite conductivity type to that of the substrate. A first region has the above one conductivity type which surrounds the element. A light shield layer is connected to the source region and the first region, for covering the element. A second region has the opposite conductivity type which is located outside of the first region for taking out the drain region. A well region has the opposite conductivity type, the well region linking the drain region and the second region, a part of the first region being formed in the well.
Patent KR-890003842-B1 (KR)
Title: Preparing process of new pharmaceutical products including antibiotics premicin
Inventor: SZENTMICROSI PETER
IPC: A61K31/70
Filed: 1987-01-10
Granted: 1989-10-05
Abstract: Colloidal basic gels containing premycin are prepared by dissolving 5-30% of premycin in 90-70% of N-methyl-pyrrolidone-2at 50-150≰C and cooling the solution to room temp..  The gels are useful as antibacterial compsns. for the topical treatment of acne, mastitis, etc.
Patent KR-950004103-B1 (KR)
Inventor: CAMPBELL N EDWARD R
IPC: H03D3/00
Filed: 1987-05-28
Granted: 1995-04-25
Abstract: 내용 없음.
Patent KR-900005591-B1 (KR)
Title: Program construction member for program reservation
Inventor: GIJIDANI MASAHIKO
IPC: G06K19/06
Filed: 1987-07-21
Granted: 1990-07-31
Abstract: The device for the timer has a number of bar codes. Each of the codes includes start bits, indicating the start of the bar code, data bits representing program timer recording information and stop bits indicating the end of the bar code and arranged in that order. The start bits represent a beginning part of the bar code and the data bits represent program timer recording information. The stop bits represent an end part of the bar code, and at least one of the start bits and stop bits are provided with information representing an attribute of the program timer recording information.
Patent KR-950004995-B1 (KR)
Inventor: HAMADA SHUJI
IPC: B24C3/02
Filed: 1987-09-26
Granted: 1995-05-17
Abstract: 내용 없음.
Patent KR-900007610-B1 (KR)
Title: Dial impulse generating circuit
Inventor: UMEMOTO YUJI
IPC: H04M1/31
Filed: 1987-09-29
Granted: 1990-10-17
Abstract: A master unit is connected to wire lines (3) and a radiophone is connected through radio lines to the  master unit. The unit comprises two switches, the first (26) for estabilishing a DC loop of the lines and the second (30) for opening and closing the D.C. loop. A controller (12) drives the second switch to send a dial impulse to the lines (3) under a condition that the first switch is closed. The first switch comprises contacts of a line relay (29) that is turned ON in a speech mode. The second switch comprises a transistor. The master unit further comprises an isolator (31) through which the controller (12) drives the second switch. The isolator (31) comprises a photocoupler.
Patent KR-900005243-B1 (KR)
Title: Referance electrode
Inventor: DOMIDA GATHVHIKO
IPC: G01N27/30
Filed: 1987-11-26
Granted: 1990-07-21
Abstract: Sheet type reference electode with enhanced lifetime has a hydrophilic porous thin film covering liquid junction surface of gelatinised internal solution. New liquid junction structure in a sheet-tupe reference electrode comprises a gel-like internal liquid made up by adding a gelling agent such as agar, etc. an a moisture evaporation preventive agen such as glycerol, etc. to the internal liquid. The liquid junction to the gel-like internal liquid or a sample solution of a liquid junction connected to the internal liquid is covered with hydrophilic porous film.
Patent KR-910000945-B1 (KR)
Inventor: FUJIMOTO TETSUO
IPC: C08K5/5419
Filed: 1987-12-09
Granted: 1991-02-19
Abstract: 내용 없음.
Patent KR-960011157-B1 (KR)
Inventor: LEE ALBERT C
IPC: H01F41/02
Filed: 1987-03-13
Granted: 1996-08-21
Abstract: 내용 없음.
Patent KR-930007352-B1 (KR)
Title: Aqueous electrophoretic painting baths for cathode electrophoretic painting and process for its performance
Inventor: SCHON GEORG
IPC: C08G59/68
Filed: 1987-03-07
Granted: 1993-08-09
Abstract: PCT No. PCT/EP87/00130 Sec. 371 Date Sep. 23, 1988 Sec. 102(e) Date Sep. 23, 1988 PCT Filed Mar. 7, 1987 PCT Pub. No. WO87/05922 PCT Pub. Date Oct. 8, 1987.The invention relates to aqueous electrocoating baths for cathodic paint deposition which contain, as cathodically depositable binders, modified epoxide-amine adducts and are prepared by reacting, in the presence of basic amine catalysts, (1) (A) polyepoxides with (B) compounds which contain, per molecule, one or more, preferably 2, hydroxyl groups bonded to aromatic and/or (cyclo)aliphatic molecular fragments, to form epoxide group-containing intermediates, and (2) by subsequently reacting these intermediates, if appropriate, with further conventional modifiers and finally with (C) primary and/or secondary (poly)amines or their salts and/or salts of tertiary amines, the resultant reaction products being neutralized with acids, if appropriate, dispersed in an aqueous medium and these dispersions further processed by well-known methods to form electrocoating baths. The electrocoating baths according to the invention are distinguished by the fact that the basic amine catalyst which catalyzes the reaction between the components (A) and (B) is neutralized, prior to further reaction of the intermediates formed from the components (A) and (B), with a Brönsted acid having a pKs value of the first stage of dissociation, measured at 20 DEG  C., below 3.7, preferably below 3.5.
Patent KR-910005581-B1 (KR)
Inventor: HENTON DAVID E
IPC: C08L51/04
Filed: 1988-02-17
Granted: 1991-07-31
Abstract: 내용 없음.
Patent KR-900004655-B1 (KR)
Title: Auxilary apparatus for driving wheel
Inventor: KIM SE-WOONG
IPC: F16H37/00
Filed: 1988-04-22
Granted: 1990-07-02
Abstract: The apparatus attached to rotating wheel of mobile vehicles (e.g. cycle, motorcycle, automobile, wheel chair etc.), increases driving power of the wheel. The apparatus includes rim (3) of wheel (2) with inner ring gear (1) and disk (7), shaft (8) of pinion gear (5) fixed to the disk, mobile push rod (10) between the ring gear and the disk and, driving power generators having return spring (15) between disk supporter (12) and push rod supporting body (16). Ring gear is meshed with lower gear (6) of pinion gear having ratchet (14).
Patent KR-970002276-B1 (KR)
Inventor: PAYNE THOMAS ROY
IPC: G05F1/00
Filed: 1988-05-18
Granted: 1997-02-27
Abstract: 내용없음.
Patent KR-910005368-B1 (KR)
Inventor: JENTA HIROKI
IPC: G09G5/36
Filed: 1988-06-18
Granted: 1991-07-29
Abstract: 내용 없음.
Patent KR-970005475-B1 (KR)
Inventor: WERNER AMATI
IPC: C08F8/12
Filed: 1988-07-15
Granted: 1997-04-16
Abstract: 내용없음.
Patent KR-910002391-B1 (KR)
Title: The process for extracting and purification of flavonoid from gingko leaves
Inventor: HUH JAE-DOO
IPC: A61K36/16
Filed: 1988-09-07
Granted: 1991-04-22
Abstract: The process for extracting and purifying flavonoid cpd.  from ginkgo leaves comprises  (a)  adding  10-20%  ginkgo  leaves,  and 0.05-0.2% the mixed soln. contg. macelosin  (I),  cellulose  C(II) and cellulase   NC(III)   [Mixing   ratio   (I):(II):(III)    is 0.5- 3.0:0.3-1.5:0.1-0.3  to the water and agitating the mixt., (b) heating it at 20-50  deg.C  and  centrifuging  it  to  obtain  the supernatant, (c) adding org. solvent, e.g. diethylether, methylene chloride etc., to the supernatant, shaking and separating he water layer, (d) passing the water layer through the column filled  with 20-40 mesh Amberlite resin XAD-2, (e) adding methanol to the resin to obtain the extract, and (f) vacuum-evaporating the extract  and vacuum-drying it to give the final product.
Patent KR-920000748-B1 (KR)
Title: Washing apparatus
Inventor: PARK BU-JO
IPC: D21C9/00
Filed: 1988-12-17
Granted: 1992-01-21
Abstract: The system mechanically repurifies waste  printed  paper,  so prevents polluted material from being generated from  conventional chemical processes.  The  repurifying  system  comprises  a  first repurifier (2) where a fixed disc for inducing  the  raw  material through  a  supply  passage,  a  rotating  disc  for   putting   a centrifugal/frictional  force  to  the  induced  material,  and  a waterspout for draining water are assembled; a  second  repurifier (3) having almost the same structure  with  the  first  repurifier (2); semi pulpers (4,9) where a number of  rollers  are  parallely axled to the pulper  frame  and  protrusions  are  formed  on  the circumferential face;  multi-step serracion roller repurifier  (8) where  a  fixed  seration  part/a  resilient  seration  part   art alternatively formed on the circumferential face.
Patent KR-940001009-B1 (KR)
Inventor: MANAKA TOSHIO
IPC: F02D45/00
Filed: 1988-12-21
Granted: 1994-02-08
Abstract: 내용 없음.
Patent KR-910008207-B1 (KR)
Title: Li coated al for manufacturing the al-li alloy and the method of manufacturing the same
Inventor: SHIN MYUNG-CHUL
IPC: C22C1/00
Filed: 1989-01-28
Granted: 1991-10-11
Abstract: The Al-coated Li ingot  is  produced  by  inserting  a  basic lithium into the inner of the container (1), filling the aluminium vessel (5) with the lithium (8),  separating  the  vessel  by  the cutter to form an oil film in the lithium-cut  surface,  inserting an argon gas into the surface of the vessel and then polishing the oil film, and sealing  the  inlet  (6)  of  the  vessel  with  the aluminium plate or cover (10). The  Al-Li  alloy  is  obtained  by adding the ingot to the molten aluminium, and  agitating  it.  The alloy is used as a super lightweight  material  in  the  aerospace industry.
Patent KR-910009237-B1 (KR)
Title: Process for the preparation of 3-amino-4-methoxy aceteanilide
Inventor: SON BYEONG-KI
IPC: C07C235/42
Filed: 1989-07-03
Granted: 1991-11-07
Abstract: A  method  for  preparing  3-amino-4-methoxy  acetanilide  of formula    (I)    comprises    a    hydrogenating-reaction      of 3-nitro-4- methoxy acetanilide of formula (II) in a  mixt.  solvent of methanol and HAC under the condition of 20-100 atm. of hydrogen pressure Pref. the weight ratio of methanol to (II) is  2-20;  the molar ratio  of HAc  to  (II)  is  0.2-5;  the  weight  ratio  of Raney-nickel to (II) is  0.1-5.  wt.%.  (I)  may  be  used  as  an intermediate in the prodn. of dispersing dyes.
Patent KR-910007177-B1 (KR)
Title: Emergency marking device
Inventor: CHONG JIN-HAN
IPC: B60R99/00
Filed: 1989-07-05
Granted: 1991-09-19
Abstract: The emergency marking device is mounted with an ink pots (4). The ink pots (4) are mounted on both sides  of  bumperes  (2)(2'). The ink is automatically sprayed on the road on  pulling  out  the pin (9) when an emergency arises.