baber/WOPTO huggingface dataset:
Patent ES-2663655-B1 (ES)
Title: Sistema y dispositivo autónomo de detección y señalización vial
Inventor: MATEO SANGUINO TOMAS DE JESÚS
IPC: E01F9/50
Filed: 2016-09-14
Granted: 2018-09-24
Abstract: Sistema y dispositivo autónomo de detección y señalización vial, orientado a conformar una barrera visual de alerta especialmente aplicable al campo de la seguridad vial. El sistema comprende varios dispositivos autónomos (2) dispuestos sobre una vía (3), cada dispositivo autónomo (2) comprendiendo una unidad de control (11); una unidad de detección (10) con un sensor de proximidad (5) para detectar peatones (8) en un área de detección (4); una unidad de señalización lumínica (6) orientada hacia los vehículos (7) que se aproximan por la vía (3); un módulo de comunicaciones inalámbrico (12); y una unidad de alimentación y almacenamiento de energía. La unidad de control (11) está configurada para, ante la detección de un peatón (8) realizada por el propio dispositivo autónomo (2), activar la unidad de señalización lumínica (6) y comunicar inalámbricamente dicha detección al resto de dispositivos autónomos (2); y ante la detección de un peatón (8) realizada por otro dispositivo autónomo (2), activar la unidad de señalización lumínica (6).
Patent ES-2593709-B1 (ES)
Title: Procedimiento de obtención de láminas de cobre como sustrato para la producción de grafeno de alta calidad
Inventor: FERRER CRUSELLAS NÚRIA
IPC: C22F1/08
Filed: 2016-07-27
Granted: 2017-11-07
Abstract: La presente invención comprende un procedimiento para producir láminas de cobre con estructura cuasi-monocristalina, y un procedimiento de producción de grafeno de alta calidad utilizando dichas láminas de cobre como sustrato catalizador. También comprende una lámina de cobre para la producción de grafeno, obtenida por el procedimiento descrito en la presente invención, que presenta una estructura cuasi-monocristalina.
Patent HR-P20060035-B1 (HR)
Inventor: URLICIC MARKO
IPC: A01K85/01
Filed: 2006-01-26
Abstract: Umjetni mamac za ribolov koji u vodi mijenja boju, koji ima tijelo u obliku romboida, koji ima glavu s nataknutim iglicama ili udicama, koji ima rep s otvorom za vezanje strune, koji na cijelom tijelu ima šare u obliku ribe, da su šare od fluorescentnih boja ili fluorescentnih folija, naznačen time, daje na cijelo tijelo (1), preko nanesenih šara (7), gusto namotan jedan sloj svijetlog ribarskog konca (8); da su na ribarski konac, do glave (2), nanesena, jedan uz drugi, dva kružna vijenca (9) od fluorescentnih boja; daje na ribarski konac, do repa (3), nanesen jedan kružni vijenac (10) od fluorescentne boje; da se nakon uranjanja mamca u vodu kroz ribarski konac (8) vide obojene šare (7). Patent sadrži još 2 patentna zahtjeva.
Patent JO-1893-B1 (JO)
Title: Air conditioner
Inventor: WAZO YAMADA
Filed: 1996-02-18
Granted: 1996-07-25
Abstract: An outdoor unit for use in a separate type air conditioner which includes an outdoor unit and an indoor unit each having at least a compressor, a heat exchanger, and a expansion device, with one unit connected with the other by refrigerant-tubes so that they altogether form an air conditioning system. The outdoor unit comprises: a baseplate, a housing having a first air intake window (side air intake window) in one of its side walls, a second air intake window (rear air intake window) formed in the rear wall extending upright from the baseplate, and an air outlet window (front air outlet window) formed in the front wall; a partition board extending upright from the baseplate and portioning for the internal space of the housing into a fan room for accommodating the heat exchanger and a fan for supplying air to the heat exchanger; and a machinery room for accommodating the compressor. The outdoor unit is characterized in that: the heat exchanger mounted upright on the baseplate extends over the rear air intake window; the partition board (10) is provided in front of the heat exchanger; the partition board is disposed in front of the heat exchanger by securing a circumferential frame of the partition board on the front end of a circumferential frame of the heat exchanger by screws applied from the rear of the heat exchanger.
Patent JO-2614-B1 (JO)
Title: Thujone Corrects Cholesterol and Triglyceride Profiles in Diabetic Rate Model
Inventor: AHMAD MOHAMMAD DISI
Filed: 2009-08-25
Granted: 2011-11-01
Abstract: The present invention relates to the correcting effect of thujone on the lipid profile (cholesterol and triglycerides) of sera of diabetic rats. The oral treatment with thujone adjusted the cholesterol levels and increased triglyceride levels significantly (P≤0.05) to normal levels when compared with diabetic untreated rats. This provides a premise in the field of fmding new agents to treat diabetic complication
Patent KR-790000169-B1 (KR)
Title: Process for preparing solubilized aspirin
Inventor: WHITWORTH C W
Filed: 1974-04-13
Granted: 1979-03-24
Abstract: The acetylsalicylic acid(I) solns. stabilized with polyhydric compds. (II) were formulated one or all of the hydroxy group of II was protected with protecting radicals for prohibition of esterification with I, and it was mixed in the range of 40-99.9%(W/W) to 60-0.1%(W/W) I or 70-95% to 30-5% at the temp. of 5-35≰C.  The addition of aromatics, sweetenings and other synergetic pharmaceuticals gave good results.
Patent KR-810000801-B1 (KR)
Title: Process for production of 2-tetrahydrofurfuryl-6,7 benzomorphanes
Inventor: WALTER GERHARD
IPC: A61K31/34
Filed: 1975-03-08
Granted: 1981-07-08
Abstract: Title compds. (I; R1 = methyl, ethyl or propyl; R2 = H, methyl or ethyl; R3 = H, methyl; R4 = H, C1-4 lower alkyl or C2-5 lower acyl; X = Cl, Br, I, arylsulfonyloxy, aralkylsulfonyloxy, and alkylsulfonyloxy), useful as analgesic, were manufd. by reaction of norbenzomorphane(II) and III.  Thus, 2.17g (1R,5R,9R)-(-)-2'-hydroxy-5,9-dimethyl-6,7-benzomorphane and 1.82g D-(-)-tetrahydrofurfurylbromide were mixed with HCON(CH3)2 and C4H8O, refluxed for 75hr, and crystallized to give (-)-2-(D-tetrahydrofurfuryl)-[(1R,5R,9R)-2'-hydroxy-5,9-dimethyl-6,7-benzomorphane -methanesulfonate.
Patent KR-800000319-B1 (KR)
Title: Tiered container with flow distribution system
Inventor: JOHNSON R
IPC: A24B3/18
Filed: 1977-02-16
Granted: 1980-04-24
Abstract: Tiered container was used in autoclave for a process of increasing the filling capacity of tobacco, in which tobacco and impregnating organic volatile liq.  are contacted in one zone, and contact of the tobacco with vapors of the liq. is continued in another zone.  The said container is formed of fluidized separation system composed of tobacco receptacle and conduit crossing over fluidized bed and basket hole, in which a part of tobacco fluid thereupon passes up and down through tobacco bed and fluidized bed.
Patent KR-810001729-B1 (KR)
Title: Semiconductor device
Inventor: MATSUMURA Y
IPC: H01L23/48
Filed: 1977-09-24
Granted: 1981-11-07
Abstract: A bonding method of connectors to the semiconductor electrodes using carbon-made bonding appts. is composed of following steps: After the semiconductor elements(4) with electrodes(5) are put on the bottom frame(1), the middle frame(2) is put on the bottom frame.  After the ball-shaped-solders(6) are inserted through the holes(22), the connectors(7) with top heads(8,9) are inserted into the holes.  After the top frame(3) put on the connectors, the connectors are pressed, and the appts. put in a furnace to melt the solders(6).
Patent KR-810001805-B1 (KR)
Title: Process for melt spinning an acrylonitrile polymer fiber of improved intensity
Inventor: STREETMAN W
IPC: D01F6/54
Filed: 1978-11-13
Granted: 1981-11-14
Abstract: An acrylic fiber are manufd. by melt spinning an acrylonitrile copolymer from single phase melt contg. H2O and removing the H2O so as to eliminate the formation of a sep. water phase.  Thus, 82.3 parts acrylonitrile Me methacrylate copolymer contg. 17.7 parts H2O, extruded, coagulated, and stretched.  This fiber was dried in 2 different ways (a) steaming in an autoclave at 0.77kg/cm2 for 15 min to give a fiber dyeing intensity of 40 and shade change of 13 and (b) conditioning at dry bulb temp. 150≰C and wet bulb temp. 90≰C for 20 min. and heating at 200≰C for 3 min. with dry heat to give fiber with dyeing intensity 62 and shade change of 5.
Patent KR-820001101-B1 (KR)
Title: Process for the preparation of clean hcn-free synthesis gas
Inventor: MARION C
IPC: G10K1/10
Filed: 1979-06-23
Granted: 1982-06-25
Abstract: A continuous partial oxidn. process for the manuf. of HCN-free synthesis gas comprises contacting a hydrocarbon feed with O in a free-flow noncatalytic gas generator at 705-1930≰C and 1-250 atm during 1-10 sec., cooling and scrubbing the effluent gas stream, sepg. condensed water, and contacting the dewatered gas stream with an aq. HCN absorbent, e.g. aq. alkali metal carbonate or bicarbonate solns. or dil. H2SO4, at 0-50≰C to give a HCN-ich absorbent stream and a synthesis gas stream contg. 0.3 ppm HCN. The HCN-rich aq. absorbent can be regenerated by gas stripping at reduced pressure.
Patent KR-830002838-B1 (KR)
Title: 4-아릴-5, 6, 7, 8-테트라하이드로피라졸로(3, 4-b) 디아제핀-1H, 4H-5, 7-디온의 제조방법
IPC: C07D487/04
Filed: 1980-02-09
Granted: 1983-12-27
Abstract: 내용 없음.
Patent KR-840001816-B1 (KR)
Title: Apparatus for detecting pinholes in cans
Inventor: KYUICHI SHIBASAKI
IPC: G01N21/88
Filed: 1981-03-07
Granted: 1984-10-20
Abstract: An appts. for detecting pinholes in cans comprising a dark box consisting of a light seal plate and a window, a photodetector detecting electrically the outer penetration of light, and light sources disposed around the can. The light seal plate has a groove for receiving an open end of a can therein and is of a hardness greater than that of the can. The groove of the light seal plate communicates with a trap. The surface of the groove is black nonluster.
Patent KR-820002154-B1 (KR)
Title: Process for preparing 6-(d-(-)- -(4'-alkyl-2',3'-dioxopiperazino carbonyl)-aminophenyl (or hydroxy phenyl) aceto amido) penicillaic acid
Inventor: KIM YOUNG SEOL
IPC: C07D499/74
Filed: 1981-08-31
Granted: 1982-11-20
Abstract: Title compds. I(R=H, C1-4 alkyl; R1=H, OH; M=Na, K, Ca, amine) were prepd. by the reaction of 6-d-(-)-α-(4-ethyl-2,3-dioxopiperazino carbonyl)-phenyl (or hydroxyphenyl) glycine (II) and 6-aminopenicillanic acid (III) by using acylating agent of dicyclohexylcarbodiimide(IV).  Thus, 3.6g II dissolved in 3.6g methylene chloride was reacted with 2.0g IV and 2.1g III (dissolved in 30ml methylene chloride and 3.2ml triethylamine)added, reacted for 1.5hr at 0≰C-5≰C and recrystallized to give 4.7g I(R=ethyl).
Patent KR-820000896-B1 (KR)
Title: Grappble control for fuel fitting structure
Inventor: JABSEN F
IPC: G21C3/20
Filed: 1982-04-02
Granted: 1982-05-20
Abstract: The grapple (56) releases the lock (21) from the control rod guide tube sleeves (17) and also provides a means for installing or removing as one entire unit the complete assembly that comprises the lock, washer, spider, spring and grill. To accomplish these results, the grapple is provided with a number (57) that is movable in the direction of longitudinal axis. The jaw (70) is provided at its extreme end with a clamp (73) that engages a longitudinal edge of the grill. In a similar manner, the extreme end of the jaw (67) also is provided with a clamp (74) that is oppositely disposed from the clamp on the jaw (70).
Patent KR-870000113-B1 (KR)
Title: Laundry machine
Inventor: HUNAKI KAZUO
IPC: D06F39/12
Filed: 1982-11-17
Granted: 1987-02-11
Abstract: Washing machine comprises an open-ended tubular rectangular outer casing which encloses a wash tub in which there is a rotary wash drum housing an ogitator. A drive mechanism attached to the tub rotates the wash drum and/or the agitator, and forms an assembly which is elastically suspended in the outer casing. Respective end members of equal size and shape, and pref. integrally formed from resin using the same die, are of rectanglar ring form with protrusions one at each corner. In the bottom end member the protrusions serve as anchor regions for tub suspension members, pref. suspension rods.
Patent KR-860000130-B1 (KR)
Title: Bottom sealing tab prebreaking method and apparatus
Inventor: LOVELACE HAROLD
IPC: B31B50/32
Filed: 1983-05-09
Granted: 1986-02-26
Abstract: The bottom end closure, pre-breaking machine is used in the food container industry. A bottom closure flap(82) with integral tabs(92) seals the base. The tab is foldable from the plane of the flap by contact with an abutment(52) of sheet material, placed in the tab path. The tab is broken from the flap plane towards its bottom forming position. The tabs are subsequently received in a mouth of the opposite flap. The container base has no raw paperboard edges through which wicking could occur.
Patent KR-880000155-B1 (KR)
Title: The method of preparation for 2-substituted phenyl-4,5,6,7,-tetrahydro-2h-indazoles
Inventor: NAGANO EIGI
IPC: A01N43/56
Filed: 1983-09-28
Granted: 1988-03-12
Abstract: The title compds. (I) are new. (I) are prepd. by reacting 2, 4- dihalo-5-substd. phenyl-4,5,6,7-tetrahydro-2H-indazole with halo - compds. of formula R-B.  In the formula, X=Cl, Br, Y=O or imino gp., Z=Cl or Me, R=C2-4 alkyl, C3-4 alkenyl, C1-6 alkoxycarbonylmethyl, B=halogen.  The rxn. is performed at -80 to 200 deg.C for 30mins to 20hdrs in aromatic hydrocarbons (benzene, xylene), halohydrocarbonx(CHCl3, CCl4), ethers(dioxane, THF) in the presence of base i.e. pyridine, NaOH or not.
Patent KR-870000778-B1 (KR)
Title: Device for drawing curtain
Inventor: DAGAGURA YOSHIYUKI
IPC: A47K5/00
Filed: 1983-12-30
Granted: 1987-04-18
Abstract: The body(1) of a wheel guide rail(A,Aa) is made of light metal by metal moulding. A hole(3) is made along the whole length of the rail on th back or front side. A jointing hole(4) is made on the left or right side of the hole(3). A hollowed portion(6) is made in the inside edge of the opposite portion of the jointing hole. Wheel frame is bended with the same shape and a hole is made on it to attach a fixed pipe(9). The moving wheel of another guide rail is connected by a guide shaft (10) attached on the pipe(9). The moving wheels(11,12) are assembled on the bended wheel frame. A drawer(E) drives the moving wheel, which moves along the guide rail.
Patent KR-920003124-B1 (KR)
Title: Bone stapler
Inventor: BENT JOHN H
IPC: A61B17/10
Filed: 1984-06-28
Granted: 1992-04-20
Abstract: A bone stapler including a housing in which a staple can be driven by a driver along a passageway from an inlet opening to an outlet opening by manual activation of a drive mechanism. A manually retractable blocking member is pro ided to prevent the driver from fully returning to engage another staple at the inlet opening after it has driven a first staple so that the drive mechanism can be manually activated an additional number of times to further impactthedriven staple. Also a staple cartridge is provided which, when removed from the stapler, insures that no staple can remain in the stapler, and the stapler will accept different parts that receive the cartridge and define the passageway so that staples of different sizes may be driven.
Patent KR-860001319-B1 (KR)
Title: Manufacturing method of good reflection seat
Inventor: AN TAE-HWAN
IPC: G02B5/128
Filed: 1984-06-30
Granted: 1986-09-13
Abstract: Glass beads are scattered on a substrate sheet which is coated with a reflection layer of aluminium flakes. Aluminium flakes of at most 1μm size are mixed with a bonding resin at the ratio of 5-40 % to the bonding resin. The bonding resin mixt. is coated on a substrate sheet. The layer depth is not allowed to exceed 10 μm more than the diam. of a bead. Then, many glass beads are scattered thereon. The product has good reflection with easy operation.
Patent KR-870000135-B1 (KR)
Title: Horizontal shaft oil pump
Inventor: WOOD MARK W
IPC: F04B39/00
Filed: 1984-10-30
Granted: 1987-02-12
Abstract: The horizontal shaft oil pump comprises an outer housing having an inlet, an outlet, an oil pump and a crankcase mounted in it. The crankcase has a vertically disposed passageway in communication with the oil pump, and a crankshaft is horizontally rotatably received in a bore in the crankcase. A reduced diameter portion of the crankshaft forms between the crankshaft and crankcase an annular chamber in communication with the passageway. A pair of oppositely angularly disposed helical grooves are disposed in the crankshaft on opposite sides of and in communication with the annular chamber. Upon rotation of the crankshaft, a low pressure area is developed.
Patent KR-860001054-B1 (KR)
Title: Functionalized polyacrylamide grafted starch polymer wet strength additives
Inventor: EENAM DONALD NEIL VAN
IPC: D21H17/28
Filed: 1984-12-14
Granted: 1986-08-01
Abstract: A water-sol. substd. polyacrylamide grafted starch polymer comprises (i) at least 5 wt.% polyacrylamide and (ii) substd compds. with at least two aldehyde units. Specifically (ii) is from glyoxal, glutaraldehyde, cyanuric acid aldehydes, etc. The grafted starch polymer contains 5 - 90 wt.% polyacrylamide. The prod. is used as a paper additive conferring wet strength.
Patent KR-910009525-B1 (KR)
Inventor: TAVES EDWARD A
IPC: B65D35/02
Filed: 1984-12-29
Granted: 1991-11-21
Abstract: 내용 없음.
Patent KR-930001291-B1 (KR)
Inventor: TUIJI ADRIANUS J M VAN
IPC: G05F3/26
Filed: 1985-02-27
Granted: 1993-02-25
Abstract: 내용 없음.
Patent KR-930002396-B1 (KR)
Inventor: YAMAUCHI KATSUSHI
IPC: G11B5/31
Filed: 1985-04-17
Granted: 1993-03-30
Abstract: 내용 없음.
Patent KR-930002548-B1 (KR)
Inventor: CRUKENBERG BINFRIDE
IPC: D06P1/18
Filed: 1985-07-05
Granted: 1993-04-03
Abstract: 내용 없음.
Patent KR-870000623-B1 (KR)
Title: Process for preparing tricyclic quinoline derivatives
Inventor: SCHAUS JOHN M
IPC: C07D471/04
Filed: 1985-08-01
Granted: 1987-03-26
Abstract: Tricyclic quinoline derivs. of formula (I) [Het=1H- and 2Hpyrazole, 2-R1R2N-pyrimidines, -oxazoles, or -thiazoles; R1R2=H or C1-3 alkyl; R=H, C1-4alkyl or allyl  and their salts are  prepd. by redn. of the 6-oxo gp. of the formula (II) on LiAlH4. Thus, (I) is  prepd. by feeding the corresp. tautomer pair 7aR,8aR-4,4a, 5,6,7,8,8a,9- octahydro-1H(and 2H)pyrazole[3,4-g  quinoline deriv. to mammals and isolating (II) from the urine and reducing (II) on LiAlH4 catalysist. Compd. (I) is used as dopamine prepns.
Patent KR-870000647-B1 (KR)
Title: Circular knitting machine's rib stitch apparatus
Inventor: JONG SANG-BOK
IPC: D04B11/12
Filed: 1985-09-28
Granted: 1987-04-03
Abstract: a bevel gear is made under the drum(1) and is driven by a motor shaft. A saw gear(14), whic  has multiple extracted pieces (16) and surrounded by a chain(15), is established on the lower side of the drum and is driven by a latch driving lever(13). A see saw bar(17), which has a adjusting bar(12) on the edge, is established up the saw gear and contacted with the jaw of a driving piece portion (4). A pair of driving pieces(10,10') is fixed under the jaw with a contract direction. A pair of reciprocating bars(6,6') is established at both sides of the acting pieces. Guide pieces (5,5') are fixed on the bars(6,6') and contacted with connecting bars(7,7'). A T type seesaw bar(8) is established on the bar(7) and located between one pair of fixed rollers(9,9')
Patent KR-880002456-B1 (KR)
Title: Heat-insulting peret for molten steel
Inventor: KIM BYONG-HUN
IPC: B22D27/06
Filed: 1985-11-21
Granted: 1988-11-14
Abstract: Heat-insulating pellets which are thrown over molten steel in a ladle or mold comprises 60 to 80 % of fly ash, 15 to 20% of bentonite, 10 to 15% coke powder, 5 % max. of sawdust.  The fly-ash, comprising as constituents, SiO2 46.34%, Al2O3 22.77%, Fe2O3 3.49 %, MgO 2.5%, CaO 0.33%, R2O 1.5%, is collected through dustcollecter of a thermoelectric power plant and has a good heatinsulating property.
Patent KR-910000012-B1 (KR)
Inventor: IDA SACHIHIRO
IPC: C21D9/573
Filed: 1986-03-21
Granted: 1991-01-19
Abstract: 내용 없음.
Patent KR-900001045-B1 (KR)
Title: Lamp unit
Inventor: WATANABE YOSHIMI
IPC: F21S4/00
Filed: 1986-03-28
Granted: 1990-02-26
Abstract: The lamp unit comprises two support members (12a, 12b) facing each other.  Each support member includes a number of support portions (26, 36) arranged at predetermined intervals.  The support portions of one support member is disposed directly opposite portions of the other support member. A number of baseless fluorescent lamps (14a, 14b, 14c) are supported parallel to one another by the support members.  Each lamp includes a straight bulb (16) with two sealed ends and lead wires (17) extending from the ends of the bulb.  The bulb has an elongate radiation window (18) extending in the axial direction.
Patent KR-940007294-B1 (KR)
Title: C-mos gate array
Inventor: YANG DONG-HYON
IPC: H01L21/82
Filed: 1986-12-22
Granted: 1994-08-12
Abstract: CMOS gate array is disclosed wherein a gate electrode, a source and drain region of a MOS transistor having a second conductivity-type channel are arranged in vertical direction, a top semiconductor region having a connecting pad is formed on the top and bottom of the gate electrode, a well region having a second conductivity-type is formed on the bottom of the top semiconductor region, a gate electrode, the source and drain region of a MOS transistor having a first conductivity-type channel are arranged in vertical direction to the MOS transistor having a second conductivity-type channel in the well region, a bottom semiconductor region having a connecting pad is formed on the top and bottom of the gate electrode, a guard ring is formed on the outer side of the top and bottom semiconductor region.
Patent KR-920003766-B1 (KR)
Title: Pressure swing adsorption with intermediate product recovery
Inventor: FUDERER ANDRIJA
IPC: C01B32/40
Filed: 1985-03-15
Granted: 1992-05-14
Abstract: A pressure swing adsorption process is used to achieve intermediate product recovery by the introduction of a gas displacement step before, simultaneous with or subsequent to pressure equalization between beds of a multi-bed adsorption system. A cocurrent depressurization step is then employed to achieve intermediate product recovery. A portion of said intermediate product or of the more readily adsorbable component recovered from a bed advantageously being employed to provide displacement gas for another bed in the adsorption system.
Patent KR-950002882-B1 (KR)
Title: Controlled release composition of carbidopa/levodopa
Inventor: DEMPSKI ROBERT E
IPC: A61K9/22
Filed: 1987-06-15
Granted: 1995-03-28
Abstract: A matrix or monolithic drug delivery system for the controlled release of carbidopa and levodopa consists of the two drugs uniformly dispersed in a polymer vehicle at a concentration that is greater than the solubility of either drug in the polymer. Treatment of parkinsonism with the controlled release formulation provides several advantages over treatment with the standard carbidopa/levodopa combinations presently employed.
Patent KR-900000306-B1 (KR)
Title: Manufacturing method of the watch stem
Inventor: JOO DONG-IL
IPC: G04D3/00
Filed: 1987-07-06
Granted: 1990-01-25
Abstract: press-forming a semiproduct of glass having a plurality of semispherical beads in a plate form ; cutting off beads from the semiproduct by a grinder with a fixture having holes corresp. to the beads ; fitting a bead into a recess in a crown with calking for the final ornamented crown. The method can mass-produce head decorated crowns for watches.
Patent KR-920002825-B1 (KR)
Title: Pyrimidin derivater
Inventor: BEDLESS ANDLAS
IPC: C07D239/48
Filed: 1987-07-10
Granted: 1992-04-04
Abstract: A pyrimidine derivative of the formulae (Ia), (Ib) and (Ic), <IMAGE>  (Ia)   <IMAGE> (Ib)   <IMAGE> (Ic)  wherein R stands for an alkyl group group with 1 to 6 carbon atoms or an aryl group optionally substituted by halogen atom; and X stands for chlorine or bromine atom or an arylsulfonyloxy group optionally substituted by 1 to 3 lower alkyl groups. The subject pyrimidine derivatives are intermediates for preparing 6-amino-1,2-dihydro-1-hydroxy-2-imino-4-piperidinopyrimidine.