baber/WOPTO huggingface dataset:
Patent ES-2484065-B1 (ES)
Title: Cambio de marchas continuo de multiejes
Inventor: MANSO BERNARDEZ JOSÉ FRANCISCO
IPC: F16H9/16
Filed: 2013-02-07
Granted: 2015-05-25
Abstract: Cambio de marchas continuo, caracterizado porque comprende un eje de entrada (E1), al menos un eje intermedio (E2-E6) y un eje de salida (E7), dispuestos sucesivamente en paralelo, estando dos ejes consecutivos cualesquiera conectados entre sí mediante al menos un bloque de cambio de marchas (B) con relación de transmisión variable, estando cada bloque de cambio formado por una pareja de conos (C1-C2, C5-C6...) enfrentados y dispuestos en un eje a distancia variable, otra pareja de conos (C3-C4, C7-C8...) enfrentados y dispuestos en el eje consecutivo (E) a distancia variable, y un aro o correa (A) de transmisión del movimiento entre dichas parejas de conos.#Otra característica muy importante, es que la relación de transmisión en todos los bloques de cambio de marcha es la misma y se modifica simultáneamente, lo que implica que, establecido el tiempo que se tarda en pasar de una relación máxima a mínima (o viceversa), este tiempo permanece constante, independientemente del número de marchas que se establezcan (figura 32-A).
Patent ES-2583373-B1 (ES)
Title: Máquina de mantenimiento de vía férrea para nivelación y alineación de vía, con capacidad de operar sin interrupciones en su avance en vía corrida y operar en cambios de vía bateando la vía desviada.
Inventor: IBANEZ LATORRE JOSE ANTONIO
IPC: E01B27/17
Filed: 2015-03-18
Granted: 2017-06-15
Abstract: Máquina de mantenimiento de vía férrea para nivelación y alineación de vía, con capacidad de operar sin interrupciones en su avance en vía corrida, operar en cambios de vía y capacidad de batear la vía desviada, caracterizada porque comprende un grupo de levante y ripado con un sistema de potencia duplicada en el extremo adelantado y en el extremo retrasado de dicho grupo, donde el grupo de levante y ripado comprende un carro de levante (21) dos parejas de cilindros hidráulicos (27A y 27B) dispuestos para ejercer fuerza para levantar la vía y un carro de ripado (20) con dos parejas de cilindros hidráulicos (28A y 28B) dispuestos para ejercer fuerza para modificar la posición lateral de la vía, donde dicho sistema de potencia ejerce fuerza en el extremo adelantado para realizar aproximadamente el 80% de la nivelación y alineación que necesita la vía y donde dicho sistema de potencia ejerce fuerza en el extremo retrasado para realizar el resto de la nivelación y alineación que necesita la vía para alcanzar su posición definitiva.
Patent ES-2559328-B1 (ES)
Title: Sistema de revestimiento de fachada
Inventor: FRADERA PELLICER CARLOS
IPC: E04F13/14
Filed: 2016-01-20
Granted: 2016-11-16
Abstract: Sistema de revestimiento de fachada, que comprende unos perfiles de soporte (1) fijados a una estructura de fachada, unos paneles soportados por los perfiles de soporte (1), y unas disposiciones de apoyo que se fijan a los paneles y se apoyan en los perfiles de soporte (1). Las disposiciones de apoyo comprenden un vástago (9) que se introduce en un orificio formado por un casquillo embebido en el panel y una pieza de apoyo (10) fijada al vástago (9). La pieza de apoyo (10) tiene unos lados de apoyo, por los que se puede apoyar en el fondo de una cuna (3) formada por el perfil de soporte (1), y un orificio pasante que recibe ajustadamente el vástago (9) y que está a diferente distancia de los lados de apoyo.
Patent KR-790000012-B1 (KR)
Title: Variable delay line signal processor for soun reproduction
Inventor: MURRAY M SCHIFFMAN
Filed: 1972-10-16
Granted: 1979-02-26
Abstract: A speech compress. -express. syst., excluded the freq. producing distortion and intermodulation for speech freq., minimized the loss of cues or transition in the speech code, processed the signal at the point of juncture of two reproduced speech portion for supressing the noise components.  The device was composed of a delaying unit, a control unit and a responsing unit operated only by the output having a appointed freq. transformation.
Patent KR-790000383-B1 (KR)
Title: Television receiver
Inventor: GEARDUSBERER L J
Filed: 1974-08-01
Granted: 1979-05-09
Abstract: A TV receiver is described which contains automatic tuning compensation circuit composed of detector circuit tuned to the wanted video If for the generation of a tuning compensation signal supplied to the frequency compensation circuit. The characteristic of this TV is automatic tuning compensation circuit generating tuning compensation signal supplied to the frequency compensation circuit and detector circuit composed of a square-law detector.
Patent KR-800001068-B1 (KR)
Title: A method of preparing acyolic alicyclic & aromatic n-substituted halo-2-pyrrolidinones herbicides
Inventor: TEACH E
IPC: C07D207/08
Filed: 1976-03-24
Granted: 1980-10-04
Abstract: Title compds. (II; R = lower alkyl, haloalkyl, alkenyl, cycloalkyl, benzyl or chlorobenzyl; X = H, Cl; Y = Cl, Br; Z = Cl, Br), useful as herbicides, were prepd. by substitution reaction of N-alkenylhaloamide(I) at 50-190≰C in the presence of Fe++ catalyst. Thus, 20.8g N,N-diallyldichloroacetamide and 25g diethyeneglycol dimethylester were refluxed for 30 min in the presence of FeCl24H2O, and heated for 30 min adding 1 g FeCl24H2O to give 8.4 g N-allyl-3-chloro-4-chloro-methyl-2-pyrrolidinone.
Patent KR-820000853-B1 (KR)
Title: Grinding members
Inventor: THOME M
Filed: 1978-11-30
Granted: 1982-05-17
Abstract: A method of manufacturing a forged grinding member comprising white cast iron containing chromium, the structure of which comprises at least one member of the group consisting of a solid martensitic & austenitic sol. having homogeneously distributed therein in finely divided form from 5-14% by wt. chromium carbides of the M7C3 type. ie from 2-74% chromium, wherein a bar of white cast iron having the specified composition is heated to a first temp. of the order of 900-1000≰C facilitating hot cutting in the plastic state said bar is cut into pieces at this first temp. Said pieces are heated to 2nd temp. between 1000≰and 1150≰C.
Patent KR-830001702-B1 (KR)
Title: 코오피 캡슐제의 제조방법
IPC: A23F5/46
Filed: 1979-07-23
Granted: 1983-08-31
Abstract: 내용 없음.
Patent KR-830000498-B1 (KR)
Title: 게이트 다이오드 스위치를 사용하는 고출력 증폭기/스위치
IPC: H03K19/14
Filed: 1979-12-20
Granted: 1983-03-10
Abstract: 내용 없음.
Patent KR-860002099-B1 (KR)
Title: Process for preparing carbostyril derivatives
Inventor: NISHI TAKAO
IPC: C07D215/22
Filed: 1980-06-05
Granted: 1986-11-25
Abstract: The title compds. (I) were prepd. by reacting (II) with HNR3R4. R1 is H; R3 is lower alkyl, lower alkoxy-alkyl, lowerhydroxy-alkyl, lower-alkanoyloxy, lower-benzoyloxy-alkyl; R2 is H; R4  is C3-10 cycloalkyl or lower cycloalkyl, lower phenyl-alkyl, pyridyl or lower alkyl selected from the trienyl, furyl, tetrahydrofuryl, tetrahydropyranyl or 3,4 -dihydro-2H-pyranyl as a substd. gp. (I) are useful for treating myocardial infarction and embolism.
Patent KR-850001061-B1 (KR)
Title: Can opener
Inventor: FRANEK JOZEF TADEUSZ
IPC: B67B7/70
Filed: 1980-08-07
Granted: 1985-07-25
Abstract: This invention refers to a can opener such that the can end is cut through to the external seam wall of the double-end seam that is fixed to the main body(12) of the can. An opening part(14) passes through the main body and a cartridge(16), installed in the traction roll spindle(18), is palced into the interior of the opening part. a traction roll(20) is fixed to one side of the main body and the end of the spindle.
Patent KR-880000300-B1 (KR)
Title: Error processing system of buffer memory
Inventor: TAKAHASHI MASANORI
IPC: G06F12/12
Filed: 1982-08-27
Granted: 1988-03-19
Abstract: The system has replace block desinating device for desinating a buffer storage block to be replaced, on the basis of least recently- used logic.  An error detecting device is provided for detecting one error, when the replace block desinating device fails to designate a block to be replaced.  Another replace block designating device is provided for designating a block to be replaced on the basis of logic different from the least-recentlyused logic.  The second replace block designating divice operates in response to detection of an error by the error detecting device.
Patent KR-850000942-B1 (KR)
Title: Amphibious vehicle
Inventor: KIM DONG-GI
IPC: B60F3/00
Filed: 1983-06-20
Granted: 1985-06-29
Abstract: This amphibious vehicle is formed with a spherical shape body from transparent plastics. This vehicle has a ring gear(2), a placing plate(3), a supporting bar(4), a cross-axle(5), a main-axle(6), a wheel(7) and gears(14,34), etc. A ring gear(2) is formed in the interior of the spherical body. The supporting bar(4) sticks the placing plate(2), links the main axle(6) and the cross-axle(5). A gear which is driven by the pedal(32) and the engine(33), engages with the ring gear(2).
Patent KR-870001063-B1 (KR)
Title: Process for the preparation of 1-alkylphenoxyaryl)-3-benzoyl ureas
Inventor: CHOU DAVID TEH WEI
IPC: C07C275/54
Filed: 1983-06-29
Granted: 1987-05-27
Abstract: 1-(alkylphenoxyaryl)-3-benzoyl urea (I) X,X'=hydrogen, halogen, C1-4 alkyl, alkoxy; Y=oxygen, sulfur; m,n=0-4, integer; R1=hydrogen, halogen, C1-4 alkyl; R2=hydrogen, halogen, C1-4 alkyl, C1-8 alkylsulfonyl, C1-8 alkylthio; R3=C1-12 alkyl  is prepd. for use as an insecticide.  Alkyl phenoxyaniline (II) is reacted with benzoylisoayanate (III) to give the compd. (I).  This reaction is performed at room temp. in toluene.
Patent KR-910000235-B1 (KR)
Inventor: MIYANO TETSUJI
IPC: C07D211/90
Filed: 1983-07-30
Granted: 1991-01-23
Abstract: 내용 없음.
Patent KR-900002296-B1 (KR)
Title: Preparation method of glass article
Inventor: SUMIYOSHI HIROJI
IPC: C03B11/00
Filed: 1983-09-17
Granted: 1990-04-10
Abstract: For manufacturing of an asymetrical glass panel e.g. for a flat glass cathode ray tube, a glass production of symmetrical shape is made by moulding between upper and lower moulds.  The product is cut by glass or laser cutter to form two glass panel members (2a)(2b).  The members so produced are mated and sealed to the funnel portion (4), then being assembled with the electron gun to form the flat cathode ray tube.  The method is not limited to two members and the original mouldings can be symmetrical to panels.
Patent KR-870000050-B1 (KR)
Title: Sampling pulse producting circuit
Inventor: TANABE TOSHIYUKI
IPC: H04N7/03
Filed: 1983-11-01
Granted: 1987-02-07
Abstract: The generator receives a series of timing pulses which are fed into a multiple delay system consisting of a delay line with several tappings, producing a number of signals of different phases. These signals are fed into a selector circuit. The circuit also receives data from an up-down counter. The  output of the selector circuit is fed to a flip-flop which halves the input frequency, and consists of a J-K flip-flop. Its output is connected to the D terminal of a D- flip-flop which is fed with a timing signal, and its outputs are connected to a number of AND-gates.
Patent KR-870000153-B1 (KR)
Title: Magneted fabrics
Inventor: YAMAMOTO KEIICHI
IPC: A41D31/00
Filed: 1983-12-28
Granted: 1987-02-13
Abstract: The magneted fabrics were manufd. by forming a foaming agent. Thus, a mixt. contg. 100 natural gum. 500 garvanized iron contg. rare-earth elements, 300 garvanized iron contg. Al and Mg, 5 Zinc oxide, 3 Magnesium oxide, 40 polychloroprene, 3 vulcanizing agent, 2 microparaffin wax, 2 antioxidant, 6 foaming agent, and 0.4 parts sand guard PVI gave surface strength 11  and apparent specific gravity 0.5.
Patent KR-860001225-B1 (KR)
Title: Preparation for making snock cake made of fruet
Inventor: YUN YONG-JU
IPC: A23L21/10
Filed: 1984-06-20
Granted: 1986-08-30
Abstract: A snack was prepd. from fruit. First 1.06 wt.% of appropriate sugar and pectin was dissolved in water and sugar was added again (total sugar content = 17.63 wt.%). This mixt. was mixed with 4.6 wt.% starch syrup and 72.56 wt.% crushed apple. This mixt. was boiled at 100-110≰C and concd. to give an ext. (water content = 35%). This concd. soln. was reconcd. by adding 0.15 wt.% citric acid and 4 wt.% cellulose (water content = 25%), and dried at <= 30% humidity and 60- 80≰C to give the final product.
Patent KR-870000176-B1 (KR)
Title: Video signal modulating apparatus
Inventor: KWON HO-YOL
IPC: H04N7/015
Filed: 1984-09-27
Granted: 1987-02-13
Abstract: An image signal converter guarantees high grade and high resolution without modifying the current broadcasting system. A compounded image signal from a turning component of a TV. receiver(1) is connected to a digital signal converter, and both to a memory for scanning(3) and to an A.L.M.(5). A memory for scanning is connected to a memory for delaying(4) and memory for output(7), and an A.L.U is connected to an inserted memory for isgnal processing(6). Both (6) and (7) are finally connected to an image circuit component(15) by way of a multiplexer.
Patent KR-870000971-B1 (KR)
Title: Method and apparatus for filtering impurities out of fluid
Inventor: WADA YONEJI
IPC: B01D27/00
Filed: 1984-11-22
Granted: 1987-05-16
Abstract: A low density filter and a high density filter have the same inflow portion in the fluid supply line. The fluid, which passed the low density filter, is flowed in a high speed to reduce its pressure. this low pressure fluid is induced to the exit of the high density filter to generate the pressure difference in this filter. the fluid in the entrance is inhaled into the high densityfilter by the pressure difference. A orifice or a venturi tube can be used to reduce the pressure of the fluid flowed from the low density filter.
Patent KR-920010234-B1 (KR)
Inventor: WATANABE TOSHIJI
IPC: H02B1/20
Filed: 1985-07-23
Granted: 1992-11-21
Abstract: 내용 없음.
Patent KR-900001581-B1 (KR)
Title: Location control devices of elevator
Inventor: ISHI DOSIAKI
IPC: G05D3/00
Filed: 1985-09-10
Granted: 1990-03-15
Abstract: A position control system for an elevator comprises a pluralilty of pulse encoders which generate pulse signals at each time when a cage moves a predetermined distance, a plurality of counters which count up and down the pulse signals from the pulse encoders in correspondence with respective running directions of the cage, difference value detection means to find a difference value between count values of the counters, comparisen means arranged to operate when the difference value has exceeded a predetermined value, and stop means to stop the cage in response to an operation signal of the comparison means.
Patent KR-900003787-B1 (KR)
Title: Process for the preparation of 2-acyl-3,4-dialkoxyanilines
Inventor: CONLEY RICHARD A
IPC: C07C233/25
Filed: 1986-07-24
Granted: 1990-05-31
Abstract: A process for prepg. 2-acyl-3,4-dialkoxyaniline of formula (I) comprises (a) reacting 3,4-dialkoxyaniline with pivaloyl halide to provide 3',4'-dialkoxy-2,2-dialkylpropioanilide, (b) reacting with org. lithium i.e. n-butyl lithium to prep. dilithio intermediate, (c) reacting with CO2 to obtain 2'-carboxy-3',4'dialkoxy-2,2- dialkylpropioanilide in THF, dioxane, (d) reacting with acid anhydride i.e. acetic acid anhydride to give 2-alkyl5,6-dialkoxy-1,3- benzoxazin-4-on, (e) reacting with org. metal reagent i.e. alkyl-Mg- halide to produce 2'-acyl-3',4'-dialkoxy2,2-dialkylpropioanilide, and (f) acid-hydrolysing. In (I), R1, R2 and R3 are each lower alkyl.
Patent KR-950001950-B1 (KR)
Inventor: HUSU SHENG T
IPC: H01L21/336
Filed: 1986-08-12
Granted: 1995-03-07
Abstract: 내용없음.
Patent KR-900001613-B1 (KR)
Title: Contact material for vacuum circuit braker
Inventor: NAYA EIZO
IPC: H01H1/02
Filed: 1986-10-15
Granted: 1990-03-17
Abstract: Contact material for a circuit breaker is made of Cu, Mo, Nb and more than one of low melting materials (I).  A material comprises (in wt.%) Cu 20-80, esp. 40-75, Mo 13-68.6 esp. 17.957.2, Nb 0.4-24.5 esp. 1.1-17.1 and (I) 0.05-25 esp. 0.1-20.  (I) is Bi, Te, Sb, Pb or Tl.  An alternative material is formed of Cu, Mc, Ta and (I).  The material is formed by infiltration, powder sintering or vacuum hot- pressing depending on the composition, for example, a material of composition (in wt.%): Cu 40-60, Mo 28.6-57.2, Nb 1.9-17.1 and (I) 0.1-20, is formed by the infiltration method.
Patent KR-900001070-B1 (KR)
Title: Propagation-type a/d converter
Inventor: LEE YUN-TAE
IPC: H03M1/12
Filed: 1987-01-24
Granted: 1990-02-26
Abstract: The converter for dcreasing the number of resistors in the circuit to reduce the conversion error includes an OP amp. (OP5) sensing a MSB (S1) of input video signal (Vin) with a positive reference signal (Vref/2), a subtractor (SB1) subtracting the reference signal from the input signal (Vin), unit circuits (UNIT) connected in series, and an OP amp. (OP16) sensing the LSB (S4) of the input signal (Vin). The OP amps. in each unit circuit are connected in series in order to apply the half reference signal against the upper OP amp.  The subactors in each unit circuit are connected in the same way with the OP amps..
Patent KR-890004429-B1 (KR)
Title: Semiconductor radiation diode manufacturing method
Inventor: SHIN DONG-SU
IPC: H01L31/00
Filed: 1987-01-24
Granted: 1989-11-03
Abstract: The method relates to the manufacturing of a surface luminescence diode, esp. Burrus type luminescence diode.  The method consists of; forming the first insulation film on a semiconductor substrate and making window to form lens type pattern; etching the substrate; forming a transmitive layer, an active layer, and a cap layer on the lens type pattern by epitaxial growth and growing an insulation layer on it; etching the growth layer and forming an electrode.
Patent KR-920006493-B1 (KR)
Title: Nail strip
Inventor: STEFFEN MARKUS
IPC: F16B15/08
Filed: 1987-03-03
Granted: 1992-08-07
Abstract: 1. A nail strip (1) having nails which are held together in parallel arrangement mutually by way of severable connecting means (8), in which respect the nails are held in guide bushes (4) having guidance regions which are circular in axial projection of the nails and the guide bushes (4) are connected together by way of the connecting means (8) projecting radially beyond the guidance regions in their axial direction, characterised in that the guidance regions are formed by annular surfaces (5) which are provided in both axial end zones of the guide bushes (4) and the diameter of which exceeds the diameter of the portion, lying between the annular surfaces, of the guide bushes (4) as well as of the head (3) of the nails.
Patent KR-900009112-B1 (KR)
Inventor: KOISHI HASUMI
IPC: G03G9/087
Filed: 1987-03-07
Granted: 1990-12-22
Abstract: 내용 없음.
Patent KR-930003983-B1 (KR)
Inventor: INOUE AKIRA
IPC: F04D3/00
Filed: 1987-06-30
Granted: 1993-05-19
Abstract: 내용 없음.
Patent KR-950002147-B1 (KR)
Title: Pharmaceutical preparations with extended release
Inventor: FAIK KARL-ERIK L
IPC: A61K9/42
Filed: 1987-07-06
Granted: 1995-03-14
Abstract: An extended release preparation of an active compound with very low solubility containing the active compound dissolved or dispersed in a semi-solid or liquid non ionic solubilizer and whereby the amount by weight of the solubilizer is at least equal to the amount by weight of the active compound as well as a process for the preparation thereof.
Patent KR-960005422-B1 (KR)
Inventor: OOGI TAKASHI
IPC: G11B23/087
Filed: 1987-12-04
Granted: 1996-04-24
Abstract: 내용 없음.
Patent KR-950002654-B1 (KR)
Title: Process or system for programming a video-recorder
Inventor: GEIGER ERICH
IPC: H04N7/173
Filed: 1986-12-11
Granted: 1995-03-24
Abstract: Process and/or system for programming a video-recorder (Fig. 2) with data required for the recording of desired broadcasts, using a televison receiver (Fig. 1) suitable for receiving and replaying videotex signals, whereby the required data can, via a settable marking system, be taken, on instruction, from tables (videotex tables) which have the program annoncements and are transmitted by videotex signals, and can be fed into a program memory (T) of the video recorder. On an instruction the videotex signals allotted to the required data are stored in an intermediate memory of the television receiver and the necessary data are removed immediately or a special instruction from the stored videotex signals and transmitted without wires to the video-recorder where they are stored in the program memory of the video-recorder. Programming of a video-recorder is thus further improved.
Patent KR-960004449-B1 (KR)
Inventor: HATANAKA CHITOSHI
IPC: C07C/
Filed: 1988-01-06
Granted: 1996-04-06
Abstract: 내용 없음.
Patent KR-910003517-B1 (KR)
Inventor: ABUJUDOM DAVID N
IPC: F16K31/02
Filed: 1988-05-16
Granted: 1991-06-03
Abstract: 내용 없음.
Patent KR-910003812-B1 (KR)
Title: Regular power supply
Inventor: MA GILL-PYUNG
IPC: H02M5/257
Filed: 1988-07-26
Granted: 1991-06-12
Abstract: This  supplier  is  able  to  provide  constont   power   by controlling conduction cycle even though a nor  minal  voltage  is changed to another voltage source, while voltage selector equipped supplier has power loss  and  heavy  weight  in  old  system.  The equipment comprises voltage detecting circuit (1) to  sense  input voltage level and to produce different  DC  signals,  timing-pulse generator (2) to give pulse every  4  cycle  of  input  frequency, triggering circuit (3) at zero-crossing point  of  supply  voltage using output signals  of  (1)  and  (2),  and  power  conditioning circuit (4) equipped with triac (TRF) to control  input  power  to heating equipment. This also increases temperature uniformity  and decreases chances of fire.
Patent KR-0170764-B1 (KR)
Title: Pharmaceutical package for contraception
Inventor: CASPER ROBERT F
IPC: A61P15/00
Filed: 1988-09-24
Granted: 1999-02-01
Abstract: This invention is concerned with a contraceptive formulation and a method of contraception which employs a combination of estrogen and progestin and wherein a short period of relatively dominant estrogenic activity alternates with a short period of relatively dominant progestagenic activity. The invention also concerns a hormonal replacement formulation and method for use in menopausal or castrate women which employs a similar combination of estrogen and progestin.
Patent KR-910009787-B1 (KR)
Inventor: EMA TAICHI
IPC: H01L23/528
Filed: 1988-11-14
Granted: 1991-11-30
Abstract: 내용 없음.
Patent KR-900007197-B1 (KR)
Title: Process for preparing 1-acyl-2-pyrazoline derivatives
Inventor: YAMASHITA HIROYUKI
IPC: C07D405/06
Filed: 1988-12-17
Granted: 1990-10-05
Abstract: 1-Acyl-2-pyrazoline derivs. (II) are produced by cyclising by heating acylhydrazone derivs. (I) where R1= H, pyridyl, pyrazinyl, alkyl acyl (phenyl or phenyl substd. by lower alkyl) a halogen atom(s) or alkoxy; R2, R3 and R4= (independently) H, furyl, pyridyl, alkyl or acyl. Acylhydrazones (I) are easier to synthesise and more stable than an alternative starting material, 2-pyrazoline derivs., which are reacted with an acid chloride or anhydride to produce cpds. (II). Cpds. (II) are drugs for the treatment of cerebral edema.
Patent KR-960002566-B1 (KR)
Inventor: ACHARYA ARUN
IPC: F25D16/00
Filed: 1989-09-19
Granted: 1996-02-22
Abstract: 내용 없음.
Patent KR-920003641-B1 (KR)
Inventor: WATANABE KENJI
IPC: A23L7/10
Filed: 1989-10-10
Granted: 1992-05-06
Abstract: 내용 없음.
Patent KR-930001248-B1 (KR)
Title: The use of hydrophobic silica
Inventor: VRBA CENEK H
IPC: A01N59/00
Filed: 1989-10-18
Granted: 1993-02-22
Abstract: Insects are combatted by treating the insects with a pyrogenically produced and hydrophobic silica. The insects can be sprayed with an aqueous dispersion of the pyrogenically produced and hydrophobic silica. Alternatively, the insects can be dusted with the silica in powdery form.