baber/WOPTO huggingface dataset:
Patent KR-820001193-B1 (KR)
Title: Filter circuit
Inventor: OKADA T
IPC: H03H7/12
Filed: 1979-10-15
Granted: 1982-06-29
Abstract: In the circuit, the emitters of the first (Q1) and the second (Q2) Tr. are coupled to the constant-current source (A1) commonly, the reactance is coupled to the collector of the second Tr. as an AC load, and the collector of the second Tr. is coupled to the base of the third Tr. (Q3) of the emitterflow. The input signal is applied to the base of the first Tr. and at the same time of offering the output signal from the third Tr. (Q3), the emitter output of the third Tr. is returned to the base of the second Tr., consequently, the filter circuit is comprised.
Patent KR-820000003-B1 (KR)
Title: Method of manufacturing yeast extract
Inventor: PARK J
IPC: A23L1/28
Filed: 1980-07-10
Granted: 1982-01-25
Abstract: Yields and tastes-improved yeast ext. are prepared by autolysis in optimum condition.  Thus, 20 wt % of suspension of Saccharomyces cerevisiae in the logarithmic phase are auto-lysis with 3 % of EtOH and 3% of salts at 40≰C for 48hr in the reactor.  Autolysed products are used for soup base, seasoning and other food additives.
Patent KR-830002423-B1 (KR)
Title: 고온 가스필터
IPC: B01D39/00
Filed: 1980-09-03
Granted: 1983-10-26
Abstract: 내용 없음.
Patent KR-840001095-B1 (KR)
Title: Process for preparation of novel chloro- and alkoxy -substituted-2,4-diaminoguinazolines
Inventor: HESS HANS-JURGEN ERNST
IPC: C07D409/12
Filed: 1980-10-31
Granted: 1984-08-01
Abstract: Quinazolinediamines I(R1,R2=alkyl, alkenyl, alkynyl, hydroxyalkyl; NR1R2=heterocyclic; Y1 =H, Cl, Y2=alkoxy; Y3=H, alkoxy) were prepd. Thus, 5-chloro-4-methoxyanthranilic acid was treated with KOCN to give 6-chloro-7-methoxy-2, 4-quinazolinedione, which was chlorinated with PCl5-POCl3, then treated with NH3 and 2-methyl-2-hydroxypropyl piperazine carboxylate to give I≮NR1R2 = 4-(2-hydroxy-2-methylpropoxy carbonyl) piperazino; Y1=Cl; Y2=OMe; Y3=H≉(II). At 0.2 mg/kg orally in dogs II gave a decrease in blood pressure of 40 mmHg.
Patent KR-850000668-B1 (KR)
Title: Process for preparing heterocyclic derivatives
Inventor: CLITHEROW JOHN WATSON
IPC: A61K31/445
Filed: 1981-02-28
Granted: 1985-05-09
Abstract: The heterocyclic derivatives I [R1 = C1-12 alkyl, furanyl methyl; R2 = H, CH3CH2; Alk = methylene; Q = furan, thiophene, benzene; R5 = halogen, hydroxy, C1-4 alkyl; X = oxygen, direct bonding; Y = oxygen, sulfur, direct bonding; n=0,1,2; m=2,3,4; R3 = H, C1-3 alkyl; R4 = (CH2)qCH=CHR6, (q=0,1,2), (CH2)qR7; R6 = hydroxymethyl, COR19 (R19=hydroxy); R7 = nitro, cyano, halomethyl, etc.; V' = NH, S, O, etc.; Y' = H, CR4(=NH), etc. , their pharmacologically permissible salts and their biochemical precursors are prepared from compds. II. The title compds. I have H2-antagonism activity.
Patent KR-850000809-B1 (KR)
Title: Side seam-coated tin-free steel welded can
Inventor: UENO HIROSHI
IPC: B32B15/08
Filed: 1981-06-12
Granted: 1985-06-14
Abstract: In a side seam coated tinplate welded can, the inner and outer surface portions (2) of the side seam (3) have an outermost layer of oxide 50-400 Angstroms thick and an intermediate layer of Fe-Sn alloy of thickness 5-100% of the total Sn layer. A resin is coated on the inner or outer surfaces of the side seam, and contains a carbonyl, hydroxyl, ether, or epoxy polar at a concentration of 10-2000 millimoles/100g. The anti-corrosive action of the coated seam is maintained after flanging or double seaming.
Patent KR-880000269-B1 (KR)
Title: Textile material making process
Inventor: ARAGAWA RIYUJI
IPC: D21B1/04
Filed: 1981-09-19
Granted: 1988-03-15
Abstract: Waste compound including fibre material is entered to a first region in a rotating drum (11) with separating-aid solution.  The compound is raised by ribs (11) and dropped at a certain height. This process is repeated to solve the compound while moving it to a partition wall (16).  The staying time of the compound in the drum is controlled by a buffle plate (17).  The liquified solution containing fibres is broken and prevented from tangling each other by a guiding plate (19) .  The separated fibres are collected at a recovery tank.
Patent KR-850001822-B1 (KR)
Title: Vapor permeation curable coatings for surface-porous substrates
Inventor: BLEGEN JAMES R
IPC: C08G18/18
Filed: 1982-06-04
Granted: 1985-12-26
Abstract: A porous substrate is coated with a thermoseting compn. comprising an aromatic hydroxylated cpd. and a polyisocyanate hardener. The coating is then exposed to a tert. amine vapor to harden the coating rapidly at room temp. The process can also be used for coating a composite having a non-porous surface. The coating has less pinholes than coatings hardened at hegh temp., is more glossy, cleaner and more reflective. It can also serve as an undercoat to receive a top coat.
Patent KR-860000282-B1 (KR)
Title: Process for preparing 2,3-dihydro-2,2-dimethyl-7-hydroxybenzofuran
Inventor: FRANKO-FILIPASIC BORIVOJ RICHA
IPC: C07B61/00
Filed: 1983-02-16
Granted: 1986-03-26
Abstract: A prepn. of 2,3-dihydro-2,2-dimethyl-7-hydroxybenzofuran(I) involves heating 2-methallyloxy-phenol(II) in a solvent and in a pressurizable reactor at 150-250 (pref. 200) deg. C and 20-60 (pref. 25-50) psig, in the presence of a catalytic amt. of aluminium chloride, zinc chloride, rhodium chloride, stannic chloride, ferrous chloride, or magnesium chloride. Reaction is pref. for 2.5-4.5 hrs. Pref., the catalyst is AlCl3, ZnCl2, or HCl and the solvent is oxylene, MIBIC or cyclohexane. (I) is an intermediate for the insecticide/nematocide carbofuran.
Patent KR-870000931-B1 (KR)
Title: Process for preparing imidazo (1,2-c)pyrazolo(3,4-e)pyrimidines
Inventor: DEWALD HORACE A
IPC: C07D487/14
Filed: 1983-05-23
Granted: 1987-05-11
Abstract: Pyrimidines(I; the brocken bonds a and b indicate opt. double bonds, but they are not both double; R1-5 are H, C1-6 alkyl or C1-3 fluoroalkyl; or when bond a is single, R4 may be H/H and R5 di-(C1-6) alkyl or R5 may be H and R4 is di-(C1-6) alkyl useful as antipsychotic agents, are prepd. by the reaction of (II) and anion selected from iodides and azides.
Patent KR-910006199-B1 (KR)
Title: Microwave applicator for continuous press
Inventor: CHURCHLAND MARK T
IPC: H05B6/70
Filed: 1983-08-10
Granted: 1991-08-16
Abstract: The present invention provides an apparatus for the simultaneous application of pressure and microwaves to a curable assembly, comprising (1) a continuous press including two endless press belts forming a nip region, the press belts being disposed to apply pressure to curable assemblies inserted therebetween, and including an inlet and an outlet for the passage of curable assemblies, (2) a press chamber defined by the two substantially parallel belt surfaces in the nip region and by two side walls, (3) means to apply microwaves to the curable assemblies from at least one microwave generator through a waveguide forming an interface with the press chamber located in an opening in a side wall, and (4) dam means at the interface between the waveguide and the press chamber to withstand the lateral pressure exerted thereon by curable assemblies being pressed, and which effectively permits propagation of microwaves into the press chamber. The press includes a means at the interface between the waveguide and the press chamber to substantially equalize fringing electric fields before the microwaves reach the curable assembly to be treated by pressure and microwaves and the waveguide includes wave chokes. A method of curing assemblies is also disclosed.
Patent KR-880000007-B1 (KR)
Title: Method of manufacturing seaweeds
Inventor: MAEDA DAKEYOSI
IPC: A23L17/60
Filed: 1983-08-23
Granted: 1988-02-15
Abstract: A seaweed-derived raw material is prepd.  Thus, edible seaweeds (brown seaweed, green seaweed, etc) are well-washed, treated with hot-water of 90≰C, dehydrated using a microwave-dryer to have 60% moisture, and crushed to fine particles.  The crush was blended for 20-30min using a blender equipped with a microwave -heater to give a viscous paste.  The paste is cooled, shaped into 10kg lump, and freeze-preserved.
Patent KR-860001684-B1 (KR)
Title: Roller bearing for endless linear motion
Inventor: GEKA TOSHIAKI
IPC: F16C29/06
Filed: 1983-09-28
Granted: 1986-10-17
Abstract: A casing mounted on a track rail makes linear motion through a series of rollers circulating endlessly. A circulating path for the rollers is constructed by a load track, return hole and direction changing path. The load track and return hole are straight, parallel to each other and approximately square shape in cross section. The center of the return hole does not lie in the horizontal bisecting plane of the right angle V groove of the load track. The return hole is symmetric to the load track w.r.t. the perpendicular bisector of the segment line joining the centers of the rollers in the return hole and the load track. The direction changing path is a cylindrical surface of revolution which is approximately square shape in cross section and which is formed by revolving 180 deg. between the load track and the return hole.
Patent KR-910006249-B1 (KR)
Inventor: HORIUJI MASHADATA
IPC: H01L29/45
Filed: 1984-03-29
Granted: 1991-08-17
Abstract: 내용 없음.
Patent KR-910007022-B1 (KR)
Inventor: ASSAEL DAVID
IPC: H04N7/18
Filed: 1984-03-30
Granted: 1991-09-16
Abstract: 내용 없음.
Patent KR-890001324-B1 (KR)
Title: Gas cock apparatus
Inventor: SHIMOSHATO YOSHIHIRO
IPC: F16K5/12
Filed: 1984-07-03
Granted: 1989-04-29
Abstract: A gas cock (2) for a gas burner is arranged on a main passageway (1) to control the gas flow.  A by-pass passageway (3) is separately prepared and can be opened by the opening operation of the gas cock just before the main passageway is opened.  A valve stem (8) has a stepped inlet groove (19) through which the gas flow can be induced just before the by-pass passageway in opened, and a stepped outlet groove (20) through which the induced gas is ready to flow just before the main passageway is opened, so that the gas flowrate may be proportionally increased at the opening operation.
Patent KR-920000778-B1 (KR)
Inventor: HASENACK HENDRIKUS J A
IPC: C10J3/48
Filed: 1984-12-06
Granted: 1992-01-23
Abstract: 내용 없음.
Patent KR-900001418-B1 (KR)
Title: Sand reclamation system embodying a combination thermal reclaimer and sand-to-sand heat exchanger apparatus
Inventor: DEVE VAGN
IPC: B22C5/08
Filed: 1985-04-30
Granted: 1990-03-09
Abstract: A sand reclamation system for treating solid, granular, and aggregate material has a combination thermal reclaimer and a heat exchanger (14) with a multi-chamber rotating unit.  Sand is received and is scooped out for passage (30) to a preheat chamber (34) feeding material to an inner tube (46) with a burner (52) for thermal treatment to burn organic material.  The treated material passes to a central chamber (58) where organic fumes are combusted and falls into a second chamber (64) for heating of the preheat chamber walls (40). A feeder device receives the reclaimed sand and passes it into a transporter pipe for cooling and passage to a store.
Patent KR-910005682-B1 (KR)
Title: Coating composition containing polymeric surfactant
Inventor: BARTH BRUTH P
IPC: C09D5/23
Filed: 1986-04-01
Granted: 1991-08-01
Abstract: A coating composition comprising: (a) A graft copolymer, having surfactant properties, comprising the reaction product of (i) a vinyl copolymer comprising vinyl chloride, a vinyl carboxylate ester, and a source of hydroxyl groups, such that the hydroxyl content prior to reaction is about 0.5 to about 8% by weight of the vinyl copolymer and of which about 1 to about 75% of said hydroxyl groups have been reacted with (ii) an anhydride copolymer comprising the reaction product of an aromatic monomer and a dicarboxylic acid anhydride, such that the graft copolymer has a molecular weight of about 2,000 to about 30,000, and a vinyl copolymer/anhydride copolymer weight ratio of about 20 to about 2, of which a sufficient number of carboxyl groups have been hydrolyzed to produce surfactant properties;(b) a dispersible powder,(c) optionally, other hard resins,(d) optionally, a rubbery polymer,(e) optionally, a supplemental surfactant,all mixed in an organic solvent.
Patent KR-940001348-B1 (KR)
Inventor: HORI MASAKI
IPC: B62D33/037
Filed: 1986-07-11
Granted: 1994-02-19
Abstract: 요약 없음.
Patent KR-900001388-B1 (KR)
Title: Apparatus for advancing and returning feed bars for transfer press
Inventor: OBA SUSUMU
IPC: B21D43/00
Filed: 1986-07-28
Granted: 1990-03-09
Abstract: An upper slider is reciprocally/vertically movable in the press crown in synchronization with the operation of the press.  A pinion rotatably mounted on the upper slider is rotated alternatingly in opposite directions with the upward and downward vertical movement of the upper slider.  A drive rack vertically slidably supported on the upper slider is connected to the pinion at a position on the pinion which is eccentric to the axis of rotation of the pinion and is reciprocally/vertically driven by the rotation of the pinion.  The lower end of the drive rack extends downwardly and engages a drive pinion for rotating the drive pinion alternatingly in opposite directions.
Patent KR-890002323-B1 (KR)
Title: Rom memory expanding circuit
Inventor: KIM YONG-UN
IPC: G06F12/00
Filed: 1986-08-16
Granted: 1989-06-30
Abstract: The circuit not modifying the hardware expands upto the 16 ROM memories (16X32 Kbyte) using common sharing of the write control and the data signals.  The ROM is selected from ROMs (1-8) by the signal of data (D0-7) under driving state of the 8 bit latch circuit (21) which receives the low signal of the address tap (A0).
Patent KR-890002674-B1 (KR)
Title: Battery of electrolysis make up and manufacture method
Inventor: JO WON-HO
IPC: H01M10/39
Filed: 1986-10-15
Granted: 1989-07-22
Abstract: Compsn. for battery electrolyte comprises (i) distd. water 30-50 wt.%, (ii) gp. V oxy acids 0.01-0.50 wt.% i.e. arsenous, nitric and phosphoric acid, (iii) gp. (III) or (IIIA) acid salt 0.005-1.00 wt.% i.e. borax, alumina or potassium dichromate, ammonium paramolybdate, potassium metatungstate, (iv) salts of strong acid or base 1-10 wt.% i.e. NaCl, KCl, NaCN, KCN and (v) starch 45-65 wt.% i.e. potato starch, PVA, polyacrylamide.
Patent KR-900006479-B1 (KR)
Title: Piezoelectric loading housing and method
Inventor: DEPAULA RAMON P
IPC: G02B6/10
Filed: 1987-01-06
Granted: 1990-09-01
Abstract: The appts. has the fibre (20) held between the legs (26,32) of two L- shaped anvils (22,24) by a pressure pad (18) on one side, and by a further pressure pad (16) and a piezoelectric transducer (14) on the other side. The fibre is compressively preloaded by use of a hollow screw (57) disposed in a threaded aperture (56) of a bracket attached to one anvil. A coil spring in the screw head urges downwardly a plunger in its shaft, bolts (34,35) which pass through elongate openings in the anvil arms being tightened when the desired compression has been applied.
Patent KR-960012186-B1 (KR)
Inventor: JOOKO HELSUTUROEM
IPC: D03D47/36
Filed: 1987-05-29
Granted: 1996-09-16
Abstract: 내용없음
Patent KR-920000601-B1 (KR)
Inventor: YAMAJAKI SUNPEI
IPC: G02F1/13
Filed: 1987-10-13
Granted: 1992-01-16
Abstract: 내용 없음.
Patent KR-920008009-B1 (KR)
Inventor: ABE AKIHIRO
IPC: B41J19/30
Filed: 1987-11-07
Granted: 1992-09-21
Abstract: 내용 없음.
Patent KR-930002466-B1 (KR)
Title: Air conditioner and method of dehumidifier control
Inventor: SHAW ALLAN
IPC: F24F3/14
Filed: 1987-11-24
Granted: 1993-04-02
Abstract: An air conditioner has a dehumidifier (16) with coils (14, 15, 17). Coolant from a chiller (10) is pumped through the coils (14, 15, 17) and air is caused to flow through the coils with a fan (26). A sensor, such as a thermostat (32) is positioned in the air flow downstream of the dehumidifier and valves (21, 22, 23) are provided for controlling flow of coolant through the coils (14, 15, 17). The valves (21, 22, 23) are controlled by the sensor (32) via a control unit (20) so that coolant flow can be restricted as loading reduces.
Patent KR-950012369-B1 (KR)
Inventor: OGAWA TORU
IPC: G09G5/24
Filed: 1988-02-05
Granted: 1995-10-17
Abstract: 내용 없음.
Patent KR-910003536-B1 (KR)
Inventor: HONDA ATSUHITO
IPC: C21D8/12
Filed: 1988-06-23
Granted: 1991-06-04
Abstract: 내용 없음.
Patent KR-930004536-B1 (KR)
Inventor: TANAKA YUJI
IPC: G11C11/401
Filed: 1988-07-22
Granted: 1993-05-27
Abstract: 내용 없음.
Patent KR-910005747-B1 (KR)
Title: S-cn-alkoxycarbonyl,n-substitute amino methyl isothiourea derivatives
Inventor: KIM DAE-HWANG
IPC: C07D285/34
Filed: 1988-09-03
Granted: 1991-08-02
Abstract: Substd. aminomethyl-isothiourea derivs. of  formula  (I)  are presented: R1-R6 each= alk(en)yl or alkynyl (all opt.  subtsd.  by halogen),  alkoxyalkyl,  cycloalk(en)ly,  opt.  substd.   aralkyl, naphthyl, pyridyl, phenyl (substd. by X1,X2 or X3)  or  a  gp.  of formula  (II);  X1-X3  each=  H,   (cyclo)alkyl,   alkoxy,   MeCO, halocalkyl, halogen, CF3, NO2, OH, benzyl, Ph, PhO, or PhS; Y1 and Y2 each=H, lower alkyl ro alkoxy, halogen, CF3; W=CR7R8, O, CO  or OCH2; m= 0-2; R7 and R8 each= H or lower alkyl; R2-6  may  be  H; and R4 and R5, or R6  forms  with  (CH2)n  (n= 2-4),  CH2OCH2  or CH2SCH2 (at  least  one  of  R4-R6  is  H).  (I)  are  useful  as intermediates in a synth. of 1,3,5-thiadiazin-4- one derivs.
Patent KR-950000545-B1 (KR)
Title: Color control circuit for color monitor
Inventor: JANG JONG-CHUL
IPC: G06F3/153
Filed: 1988-12-31
Granted: 1995-01-24
Abstract: The circuit generates an entire color as blue and amber color by using a TTL level and making 64, 16, 8 and 4 colors. This circuit consists of a color signal input unit (20) which outputs color signals and blanking pulses, a mode selection unit (30) which generates the first and the second mode selection signal (M0)(M1) for selecting a color frequency, a color monitor TTL processor (10) which operates 64, 16, 8 and 4 or EGA mode, CGA mode, and MDA mode color by inputting color signals, blanking pulses (BLK), the first and the second mode selection signals (M0) (M1), and the first and the second text signals (T0) (T1), a color signal output unit (50) which buffers the color signals from the color monitor TTL processor (10) to the output of a color monitor.
Patent KR-910009085-B1 (KR)
Title: Digital high-frequency glitch noise eliminating method by current feed back
Inventor: BAE DONG-WHA
IPC: H03K19/00
Filed: 1989-05-10
Granted: 1991-10-28
Abstract: The method is for removing the glitch noise generating at the high speed switching  element  by  using  an  invert  buffer  gate element because it is the instantaneous  impulse  noise  with  low power. A glitch noise output tap (1) is connected to an input  tap (2) and another input tap (6) through  a  pair  of  inverters  and non- inverter buffer gates  (30,3'),  and  an  output  tap  (4).  A current path (5) is connected between the output (4) and input (2) taps so that the glitch noise is sinked to the glitch noise output tap (1).
Patent KR-920000055-B1 (KR)
Title: Process for the determination of the ionic strength or the specific gravity of aqueous fluid
Inventor: MANGOLT DEARTE
IPC: G01N33/493
Filed: 1989-07-08
Granted: 1992-01-06
Abstract: The present invention relates to a process for the determination of the ionic strength or of the specific gravity of an aqueous fluid by mixing the fluid with a suitable reagent, determining the pH in the fluid and evaluating, characterised in that the reagent contains at least one pH buffer substance but no polyelectrolyte polymer or at least one pH buffer substance and/or at least one complexing agent, and to the reagent suitable therefor.
Patent KR-950002334-B1 (KR)
Inventor: YOKOYAMA YOICHI
IPC: B22D11/10
Filed: 1989-08-19
Granted: 1995-03-16
Abstract: 내용 없음.
Patent KR-920002483-B1 (KR)
Title: No.7 common channel signaling system
Inventor: LEE YUNG-HEE
IPC: H04M7/06
Filed: 1989-09-23
Granted: 1992-03-26
Abstract: The duplex structure system has  level  3  units  (310a,310b) that runs message handling protocol which governs message  routing in level 3 of message transfer protocol. The  system  comprises  a duplexed level  3-3  connection  network  (100a,100b),  a  message processing module (110), a signal network supervising module (120) and  an  operation  and  maintenance  system  9130).  The  message processing module includes the level 3  units  (310a,310b),  level 3- 3 connection network units (300a,300b) and level 2-3  connection network units (330a,330b) for connecting the level 3  units  tothe level 2 units and level 3-3 connection network units.
Patent KR-920004391-B1 (KR)
Title: Interface between positive ect logic and negative ecl logic
Inventor: CHOI DONG-WON
IPC: G06F3/14
Filed: 1989-10-18
Granted: 1992-06-04
Abstract: The  interface  circuit  includes  a  positive  ECL  (emitter coupled  logic)  output  circuit  (10)  for  processing   inputted positive ECL signals to output  positive  ECL  signals,  with  its first power terminal (VEE) receiving a first  voltage  (GNG),  and with its second power terminals  (Vcc1,Vcc2)  receiving  a  second voltage (+Vcc). A  level  shifting  interface  (26)  is  connected between the positive ECL output circuit (10) and  a  negative  ECL output circuit (24) through  its  own  capacitor  (C).  The  level shifting interface (26) further includes resistors (R1)(R2)  which are connected between the first voltage (GND) and a third  voltage (-VEE)  in  series,  and  which  divide  the  third   voltage   to overlappingly supply the divided voltage  to  the  capacitor  (C). Further, the interface (26) level-shifts the positive ECL  signals to negative ECL signals.
Patent KR-960011898-B1 (KR)
Title: Thermotropy fiber
Inventor: NOH ILL-JOON
IPC: D06M15/00
Filed: 1989-10-25
Granted: 1996-09-04
Abstract: The fiber which can discolor by the change of temperature and has excellent discoloring effect, laudery solidity and sun light solidity. Also the fiber is prepared by: immersing a special heterogeneous cross-section fiber into the solution comprising microcapsule-type discoloring agents and transparent synthetic resin; re-immersing the resultant into the solution comprising transparent synthetic resin and UV absorbents; and drying it so as to form coating film.
Patent KR-900002096-B1 (KR)
Title: Hydrocarbonn oxyalkyl maleate
Inventor: LO PETER Y K
IPC: C08K5/10
Filed: 1990-01-30
Granted: 1990-04-02
Abstract: Organosilicon compns. which cure by a Pt group metalcatalyzed reaction of Si-bonded hydroxyl radicals and/or Si-bonded olefinic hydrocarbon radicals with Si-bonded H are stabilized for hours at 100m temp. by introducing a hydrocarboxyalkyl maleate. The liq. organopolysiloxane compns. are rapidly curable at low elevated temp. and useful for coating paper to prep. an adhesivereleasing layer.
Patent KR-0160960-B1 (KR)
Inventor: SCHRAIVOGEL RAINER ANANDA
IPC: H01L21/60
Filed: 1990-03-17
Granted: 1999-02-01
Abstract: 내용 없음.
Patent KR-0145179-B1 (KR)
Title: Process for producing granules dispersible in water
Inventor: SCHLICHT RAINER
IPC: A01N25/12
Filed: 1990-03-21
Granted: 1998-07-15
Abstract: Granules can be produced from active compound powders by fluidisation in an air stream and spraying them with an adhesive solution in accordance with the countercurrent principle. According to the invention, dispersions or solutions of active compounds can be granulated, if the aqueous dispersion or solution is sprayed, in accordance with the countercurrent principle, into the gas stream of a fluidising chamber and caused to be fluidised, the formation of granules being started in an initial phase with 10 to 60 % of the maximum gas stream and only up to 30 % of the maximum feed rate of dispersion or solution, and the feed rate and the gas stream then being increased up to the maximum values of the feed rate and of the gas stream, and the formation of granules being continued in the main phase at the maximum gas stream and maximum feed rate. Granules prepared in this way, which contain pesticides as the active compounds, can be used as plant protection agents or pest control agents.