baber/WOPTO huggingface dataset:
Patent JP-S57114752-A (JP)
Title: Negative brake having hydraulic closed circuit
Inventor: OCHIAI MASAMI
IPC: B60T13/22
Filed: 1981-01-08
Abstract: PURPOSE: To prevent decrease of brake efficiency when exterior force is applied on loading by effecting supply and discharge of hydraulic oil to and from a negative brake cylinder by a switch valve interlocking with swash actuator of hydraulic pump.  
     CONSTITUTION: Switch valve 23, interlocked with swash actuator 2 of variable capacity hydraulic pump 1, connects brake cylinder 10 to a tank when piston 2a of acuator 2 is in a neutral position, and connects brake cylinder 10 to shuttle valve 22 within a hydraulic closed circuit when piston 2a is in an active position. Therefore, the brake is effected when piston 2a is in a neutral position. If exterior force is applied on load 8 to cause high pressure within piping 13 or 14, this high pressure cannot be supplied to brake cylinder 10 via shuttle valve 22, and brake effect won't be decreased. 
     COPYRIGHT: (C)1982,JPO&Japio
Patent JP-S5386429-A (JP)
Title: Lead line supporter for transformer
Inventor: MATSUBARA KENICHI
IPC: H01F27/04
Filed: 1977-01-10
Abstract: PURPOSE: To simplify the assembling work by mounting a current transformer on the supporter provided in the tank side plate in the bushing pocket and by causing the lead line to pass through the support hole of the insulator provided in the current transformer. 
     COPYRIGHT: (C)1978,JPO&Japio
Patent JP-H10148009-A (JP)
Title: Beam member made of metal and mounting structure thereof
Inventor: KAWAKAMI HIDETADA
IPC: E04B1/348
Filed: 1997-01-07
Abstract: PROBLEM TO BE SOLVED: To ensure a sufficient strength, to reduce weight and a cost, and to facilitate a proceping and assembly work. SOLUTION: A ceiling joist 15 is provided with cylinder parts 151 made of light iron arranged at an upper and a lower part. The ceiling joist 15 is attached to an upper beam 12 through a stiffener 154 and fixed at a bracket 153 protruded from the inner edge of the upper beam 12. Since the ceiling joist 15 improves rigidity in terms of structure compared with a square pipe, even when light iron is used, a sufficient strength is ensured and weight and a cost can be reduced. Further, a processing and assembly work is also facilitated.
Patent JP-2000197884-A (JP)
Title: Clogging preventing device of filter apparatus
Inventor: YAMADA YOSUKE
IPC: B01D71/02
Filed: 1999-01-06
Abstract: PROBLEM TO BE SOLVED: To prevent the clogging of a hollow fiber membrane during filtering work in an apparatus for filtering a liquid high in the content of a suspended substance. SOLUTION: Raw water W1 is circulated to flow between a concn. and circulation tank 1 and a hollow fiber membrane module 2 and clear permeated water W2 is taken out of the hollow fiber membrane module 2. The raw water W1 circulated to flow also flows through a bypass piping 20 and fine air bubbles are mixed into the raw water W1 by the mixer 2 disposed on the bypass piping 20. These fine air bubbles collide with the inner surfaces of membranes or burst on the inner surfaces thereof when flow through the hollow fiber membranes in the hollow fiber membrane module 2 to generate burst vibration to remove the suspended substance bonded to the inner surfaces of the membranes.
Patent JP-S59126676-A (JP)
Title: Field effect type transistor
Inventor: MIZUNO HIROBUMI
IPC: H01L29/80
Filed: 1983-01-07
Abstract: PURPOSE:To obtain a GaAsFET without the variation of characteristics by covering the periphery of a gate electrode with an insulation film, and covering the whole of a dug-in part with an insulation film, so as to provide two spaces at this dug-in part. CONSTITUTION:A substrate used for the GaAsFET consists of a semi-insulation substrate 10, a buffer layer 11, and an operating layer 12. An oxide film 21 is formed on the substrate. Next, the patterning of the gate electrode 2 is performed with a photo resist, the oxide film 21 is etched, and further the operating layer 12 is etched for the purpose of recess formation and VP adjustment. Titanium 22 and aluminum 23 which are gate metals are evaporated over the entire surface, and the resist is removed. Then, an oxide film 24 and a nitride film 25 are grown on a wafer. A source and a drain electrode 3 and 4 in ohmic contact are formed, and Ti-Pt-Au 27, 28, and 29 which are the bonding pads are completed thereon.
Patent LT-IP974-A (LT)
Title: Ventilation system of container for refuse
Inventor: KOWALD RAINER
IPC: B65D43/16
Filed: 1993-09-15
Abstract: An aeration system for garbage containers for accommodation of compostable waste is described, which promotes aerobic degradation processes in the waste product, but which substantially suppresses the occurrence of anaerobic degradation processes. 
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Patent OA-07240-A (OA)
Inventor: BONNOME JEAN-PIERRE
IPC: B01D3/00
Filed: 1982-10-27
Abstract: 1. A method of manufacturing an alcoholic beverage, starting from a wine and making use of hyperfiltration or ultrafiltration, characterized in that the initial wine is subjected to hyperfiltration or to ultrafiltration suitable for obtaining a permeate other than wine, while retaining drinking quality, said permeate constituting the basis of the desired beverage.
Patent OA-07336-A (OA)
Inventor: PATTERSON DENNIS RAY
IPC: A01N43/58
Filed: 1983-03-04
Abstract: The substituted pyridazines, which are novel compounds exhibiting plant growth regulatory activity, are compounds of Formula I below: <CHEM>  wherein: R<1> is phenyl or naphthyl each optionally substituted with up to three of the same or different substituents selected from halogen, (C1-C4)alkyl, (C1-C4)alkoxy, alkoxy(C1-C4)carbonyl, trihalomethyl, nitro and cyano; Y is Z<1>R<3> or NR<7>R<8> wherein Z<1> is O or S; R<3> is hydrogen, (C1-C6)alkyl, hydroxy(C1-C6)alkyl, (C1-C4)alkoxy(C1-C4)alkyl, (C3-C6)cycloalkyl, (C3-C6)cycloalkyl(C1-C4)alkyl, halol(C1-C3)alkyl containing up to three halogens, phenyl or benzyl; and R<7> and R<8> (a) are the same or different and are selected from hydrogen, (C1-C4)alkyl, (C1-C4)alkyl substituted with a carboxyl group and (C1-C4)alkoxy substituted with a carboxyl group or (b) are joined together and form an alkylene group having up to 5 carbon atoms;  Z is O or S;  R<5> is (C1-C4)alkyl or phenyl(C1-C4)alkyl; and  R<6> is (C1-C4)alkyl or phenyl(C1-C4)alkyl; and agronomically acceptable derivatives of compounds of Formula I being metal and ammonium salts, acid addition salts and quaternary ammonium addition salts.
Patent PH-26160-A (PH)
Title: Pharmaceutical compositions consisting of acylated phospholipids
Inventor: SCHROIT ALA JAY
IPC: A61K47/00
Filed: 1986-07-18
Abstract: The compositions consist of  a) a phospholipid of the formula <IMAGE> in which m is two or three, R1 and R2 are, independently of one another, alkyl, alkenyl or acyl each with 10 to 20 C atoms, and X is a direct bond, C1-C4-alkylene, C2-C4-alkenylene or C1-C4-alkylene or C2-C4-alkenylene substituted by hydroxyl, or a pharmaceutically acceptable salt thereof,  b) a phospholipid of the formula <IMAGE> in which R3 and R4 are the acyl group of a saturated or unsaturated carboxylic acid with 10 to 20 C atoms and 1 to 2 double bonds, c) a compound or a mixture of compounds with pharmacological properties and, where appropriate, d) a lipid from the group comprising phosphatidylcholines, phosphatidylserine, phosphatidylinositol, phosphatidylglycerol, cardiolipin and cholesterol and, where appropriate, a pharmaceutically acceptable carrier solution which is buffered to pH 7.0 to 7.8 and, where appropriate, pharmaceutically acceptable auxiliaries. The compositions can be used in the form of liposomes as administration systems, for example for cancer chemotherapy.
Patent PH-31428-A (PH)
Title: Vaccines.
Inventor: GORDON DOUGAN
IPC: C12N15/11
Filed: 1988-12-22
Abstract: An attenuated microorganism harbouring two mutated genes, each of which is located in the organisms aromatic pathway is provided. These organisms can usefully form the basis of a vaccine. They can be genetically engineered so as to express antigens from other pathogens and thus form the basis of a range of multi-valent vaccines.
Patent TR-26685-A (TR)
IPC: B01D21/00
Filed: 1993-05-20
Abstract: A tank receives raw water for clarification by flotation. An array of lamellae define a set of generally vertically oriented channels with solid side walls. Flotation occurs in each channel. The channels are preferably inclined. With a round tank, a frame rotates an interlocking array of radial and concentric lamellae. A stationary raw water inlet distribution box fills the channels with raw treated water. An aligned clarified water collection box withdraws clarified water. A stationary skimmer directs floating sludge to a removal conduit with a variable pitch screw conveyor. Sliding seals on the lamellae isolate individual channels or groups of channels as they move through the tank. The channels lock and move columns of water through the tank with substantially no turbulence.
Patent TR-24643-A (TR)
IPC: H02G15/18
Filed: 1990-10-08
Abstract: The invention relates to a closure device of a cable sleeve. The closure is constructed as a closure tensioning device with a covering shell and a clamping frame. The covering shell has a catch on its one longitudinal side and a pivotably supported clamping frame on its other longitudinal side. In the case of clamping frames which are clamped in beyond their dead point, the longitudinal edges of the cable sleeve, which is constructed as a longitudinally divided sleeve tube, are pressed together. In consequence, a perfect closure of the longitudinally divided sleeve tube or of the cable sleeve is achieved. 
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Patent UY-31893-A (UY)
Title: Nuevos derivados de (piperazinilo con enlaces puente)-1-alcanona y su utilización como inhibidores de p75
Inventor: MARCO BARONI
IPC: A61K31/397
Filed: 2009-06-12
Abstract: La invención se refiere a los derivados de ((fenil)-3,6-dihidropiridin-1-il)-(piperazinil con enlaces puente)-1-alcanona y ((fenil)-2,5-dihidro-pirrol-1-il)-(piperazinil con enlaces puente)-1-alcanona, de fórmula general (I) en la que A, B, m , W, n y R5 son tal como se definen en la reivindicación 1, así como su procedimiento de preparación y su aplicación en terapéutica.
Patent UY-32802-A (UY)
Title: Composiciones para reducir la metanogénesis gastrointestinal en rumiantes
Inventor: ZIJDERVELD SANDER MARTIN VAN
IPC: A23K1/00
Filed: 2010-07-22
Abstract: Reducción de la metanogénesis gastrointestinal en rumiantes usando nitrato y sulfato, cuyos efectos, según se comprobó, son completamente aditivos. También se encontró que la administración combinada de nitrato y sulfato evita o mitiga los problemas de intoxicación con nitrito que se producen normalmente cuando se usa sólo nitrato, y dicho efecto se potencia adicionalmente, cuando es necesario, agregando un microorganismo probiótico reductor de nitrito. Por lo tanto, se proveen productos que comprenden grandes cantidades de una combinación de un compuesto nitrato y un compuesto sulfato y métodos para tratar rumiantes usando dichas composiciones.
Patent UY-34783-A (UY)
Inventor: GONZALEZ IVAN ALEJANDRO
IPC: A01D34/63
Filed: 2013-05-03
Abstract: Scan Fig 2
Patent UY-36645-A (UY)
Title: Prensa de tipo tambor y método para extraer líquido de cortezas
Inventor: PEKKA KOKKO
IPC: B30B3/00
Filed: 2016-04-22
Abstract: Un método y un aparato para extraer líquido de cortezas, cuyo método involucra prensar la corteza en una prensa de tipo tambor (10) que comprende un tambor de cribado sustancialmente horizontal giratorio (20) del cual se extrae el líquido y un rodillo de prensado sustancialmente horizontal (30) en el interior del tambor de cribado (20).
Patent UY-36922-A (UY)
Title: Inhibidores de asgr
Inventor: NIOI PAUL
IPC: C12N15/85
Filed: 2016-09-28
Abstract: Se describen proteínas de unión al antígeno que interactúan con ASGR, ASGR-1 y/o ASGR-2, así como métodos para producir y utilizar dichas proteínas de unión al antígeno. Métodos para tratar y prevenir la enfermedad cardiovascular mediante la administración de una cantidad farmacéuticamente eficaz de proteínas de unión al antígeno de ASGR, ASGR-1 y/o ASGR-2. Se describen métodos para tratar y prevenir la enfermedad cardiovascular mediante la administración de una cantidad farmacéuticamente eficaz de composiciones de ARN interferente que reducen la expresión de ASGR, ASGR-1 y/o ASGR-2.
Patent UY-39083-A (UY)
Title: Formulaciones de anticuerpos anti-tslp humanos y métodos de tratamiento de una enfermedad inflamatoria
Inventor: LUERAS ALEXIS
IPC: C07K16/24
Filed: 2021-02-12
Abstract: En la presente se proporcionan composiciones acuosas que comprenden (a) un anticuerpo anti-TSLP a una concentración mayor que aproximadamente 140 mg/ml, (b) un tensioactivo y (c) al menos un aminoácido básico o una sal del mismo. También se proporcionan composiciones acuosas que comprenden composiciones acuosas que comprenden (a) un anticuerpo anti-TSLP a una concentración mayor que aproximadamente 140 mg/ml, (b) un tensioactivo y (c) al menos una sal de calcio o sal de magnesio. También se proporcionan artículos de fabricación relacionados, jeringas precargadas y viales que comprenden las composiciones de la presente divulgación.
Patent YU-12392-A (YU)
Title: Kontejner za vrtlarstvo od celulozne mase presovane u kalupu otporne na razgradnju
Inventor: DALL P E
IPC: A01G9/10
Filed: 1992-02-07
Abstract: KONTEJNER ZA VRTLARSTVO OD CELULOZNE MASE PRESOVANE U KALUPU OTPORNE NA RAZGRADNJU, kontejner za vrtlarstvo sastoji se od presovane vlaknaste celulozne mase i sadrži organski tiocijanat kao mikrobicid, pri čemu je kontejner otporan na razgradnju kada se izloži uslovima ukopa u zemljište ili staklenika.
Patent YU-46100-A (YU)
Title: Flexible siphon connection for wash-stand, single and bipartitte scullion
Inventor: MITA TOMAS
Filed: 2000-07-19
Abstract: Elastic siphon connection for wash-stands of single and bipartite scullions. In the basic shape of performing, it encompasses a grade (1) with a gauge (2), pouring tube (3), mutually connected with a bolt (4), in the opening of the scullion single scullion for washing dishes, and encompasses a final bushing (7) that are connected in an assembly by a plastic tube (6) brought down on the end of a sleek tube (3a, 7a) whereon the tube (6) has been attached by connective nut (5) switched on the outer completions (6b), shaped as a helical with its spiral channel (5c). The subject matter of an invention encompasses both variations of performance of elastic siphon connection of two part scullions.
Patent YU-69196-A (YU)
Inventor: BOYLE WILLIAM J
IPC: A61K35/74
Filed: 1996-12-20
Abstract: Prikazani pronalazak opisuje jedan novi lučeni polipeptid, nazvan osteoprotegerin, koji je član superfamilije receptora faktora tumorske nekroze i povezan je sa regulacijom koštanog metabolizma. Takodje su opisane nukleinske kiseline koje kodiraju osteoprotegerin, polipeptidi, rekombinantni vektori i ćelije domaćini za izražavanje, antitela koja vezuju OPG i farmaceutske kompozicije. Polipeptidi se koriste za lečenje koštanih oboljenja koja su karakteristična po povećanoj resorpciji kao što je osteoporoza.
Patent AT-A172690-A (AT)
Inventor: ANGERER KARL DIPL ING
IPC: B60C11/00
Filed: 1990-08-22
Abstract: The vehicle pneumatic tyre has a tread profile which has over the tread width at least five rows of profile sections which are successive in the circumferential direction and in each case are of the same kind within each row. The profile sections in the shoulder rows have at least two different basic lengths. Towards the centre of the tread, the number of profile sections assigned to the base lengths of the shoulder rows (1, 6; 1', 5') in the individual rows (1 to 6, 1' to 5') increases in increments. <IMAGE>
Patent AT-A199897-A (AT)
Inventor: ECKL GERALD DIPL ING
IPC: H02M3/338
Filed: 1997-11-25
Abstract: The blocking transducer has a transformer (TRA) with at least one primary winding and at least one secondary winding (WSE), whereby the primary winding is connected in series with a controlled switch to an input d.c. voltage and a rectifier (GLR) and charging capacitor (LAC) are connected after the secondary winding. A switch drive circuit, which receives a control signal derived from the flux change in the demagnetization phase, opens the switch at the end of the magnetization phase and closes it after demagnetization of the core. The transformer has first and second primary windings (WP1,WP2), each connected via one of two switches (CS1,CS2) controlled by one of two drive circuits (AS1,AS2) to one of two input d.c. voltages (UE1,UE2).
Patent BE-798930-A (BE)
Title: 2-(nitromethylene)-piperidines - insecticides
Inventor: ROMAN S A
IPC: C07D211/72
Filed: 1973-04-30
Abstract: Title cpds are of formula (I): where n=0-2; X=alkyl, alkenyl, alkynyl, aryl, aralkyl, hal, CN, CO2H CO2 alkyl, CO2 aryl, CO2 aralkyl, OC(O)alkyl, OC(O)aryl, OH, Oalkyl, Oaryl, Oalkoxyalkyl, Oalkenyl, Oaralkyl, Salkyl, SOalkyl, SO2alkyl, NH2, NH alkyl, Nalkyl2, CONH2, CONH alkyl, CONalkyl2 NO2, =O, CHO, COalkyl, haloalkyl, SCN, NHOH, NHOalkyl N2H4, or dialkylhydrazino; Y=H, alkyl, alkenyl, aryl, hal, CN, CONH2, CONalkyl, COn alkyl2, NO2, CHO, COalkyl, or CO2alkyl, R=H, alkyl, alkenyl, aryl, aralkyl, alkynyl, haloalkyl, COalkyl, COaryl, CO2alkyl, CONH2, CONH alkyl, CONalkyl2, Oalkyl, NO2, SCN, hal, alkoxyalkyl, cyanoalkyl, carboalkoxyalkyl, -CH2)mOCOalkyl, (CH2)n, CO2 alkyl, (CH2)m CONH2, (CH2)2CONH alkyl, (CH2)m CON alkyl2; m=1 or 2; and alkyl, alkenyl and alkynyl residues have is not >6C; and include equimolar complexes of I (Y=R=H, n=0) and alky alkanesulphonic acids. I are prepd by known methods e.g. as in Us 3560523 and GB 1236842.
Patent BE-894255-A (BE)
Title: Random number appts. for game of chance - involves distribution of balls into hollows numbered in accordance with astrological data base
IPC: G07C15/00
Filed: 1982-08-31
Abstract: The appts. takes the form of a circular flat base over which forty hollows are distributed and numbered from 1 to 40 in a direction which depends upon one of the twelve Signs of the Zodiac. Several plastics or metallic balls are located in some of the hollows. The placing of the balls in the hollows should allow the user to find numbers on which to bet preferentially when participating in a game of chance.
Patent BE-894584-A (BE)
Title: Kitchen grater for nuts - consists of rigid cylindrical container in which slides and rotates pusher cylinder
IPC: A47J42/14
Filed: 1982-10-04
Abstract: The kitchen grater, for instance for nuts, incorporates two grating surfaces operated within a cylindrical system. One (2) of the grating surfaces is set on the lower end of a rigid cylindrical container, which is open at the other side. The other grating surface is fixed to the base of a separate cylinder-pusher (3). The pusher-cylinder (3) slides inside the cylindrical container and is rotated.
Patent BE-900133-A (BE)
Title: Procede pour assurer la combustion de poussiere de coke de petrole.
Inventor: GRETHE K DR
IPC: F23C7/02
Filed: 1984-07-11
Abstract: Procédé pour assurer la combustion de poussière de coke de pétrole dans une flamme de bruleur à zone de recirculation interne (5) intense, dans lequel la poussière de coke de pétrole est admise au niveau de la zone de recirculation intense (5) dans laquelle est élaborée l'énergie d'allumage pour la poussière de coke de pétrole à bruler.
Patent BE-900263-A (BE)
Title: Lampe a incandescence a efficacite amelioree.
Inventor: BERLEC I
IPC: H01K1/14
Filed: 1984-07-31
Abstract: La lampe à incandescence  à efficacité et durée de vie améliorée comprend : (a) un culot électriquement conducteur (14); (b) une enveloppe extérieure (12) hermétiquement scellée au culot; (c) une enveloppe intérieure (22), 36) placée à l'intérieur de l'enveloppe extérieure (12) et contenant un halogène gazeux et un gaz de remplissage à pression relativement élevée choisi dans le groupe constitué par le xénon, le krypton ou l'argon et leurs mélanges; (d) un filament en tungstène (24) placé à l'intérieur de l'enveloppe intérieure (22).
Patent BE-903629-A (BE)
Title: Instrument portatif de musique a membrane tendue.
Inventor: GAUGER G L
IPC: G10D13/02
Filed: 1985-11-13
Abstract: Instrument dans lequel une membrane (14) est tendue sur un rebord serré par des organes (54) sur un organe courbe recouvrant plus de la moitié de la circonférence de la membrane, cet organe courbe étant fixé par des supports (88) à des pieds (42) qui portent l'instrument sur le sol. Une pédale (50) est directement fixée au rebord de la membrane tendue (14) qui est préalablement accordée. Application aux instruments de musique à percussion, notamment aux batteries.
Patent BE-904820-A (BE)
Title: Procede de preparation de dispersions colloidales de chalcogenes et d'alliages de chalcogenures.
IPC: B01J13/00
Filed: 1986-05-27
Abstract: Procédé perfectionné de préparation d'une dispersion colloidale d'un alliage de sélénium-tellure, caractérisé en ce que l'on réalise une solution contenant un polymère, on ajoute un ester de sélénium et un ester de tellure à la solution et on soumet ensuite le mélange réactionnel à une réaction de réduction par l'addition à ce dernier d'un agent réducteur, si bien que l'on engendre des particules de sélénium-tellure d'un diamètre qui varie d'environ 0,01 micron à environ 0.3 micron en solution.
Patent BE-905361-A (BE)
Title: Metal wire bundle protected by adhesive insulation - has self-adhesive layer on cables so that bundle may be directly fixed to mounting surface
IPC: H01B3/00
Filed: 1986-09-02
Abstract: Electric cables have insulation provided by a self-adhesive layer which fully or partially envelopes the wire. The adhesive is placed on the cables so that the cable bundle may be placed on a surface by the user and adhere to that surface.
Patent BE-781394-A (BE)
Title: Hypnotic pharmaceutical compsns - contg 1-methyl-6 (ortho-chlorophenyl)-5-triazolo (4,3-a) (1,4) benzodiazepine
Inventor: HESTER J B
IPC: C07D243/22
Filed: 1972-03-29
Abstract: Compsns. contain 1-20 mg of the cpd. or its suitable acid addn. salt or (5)-N-oxide and are prepd. e.g. by heating together 1,3-dihydro-5-(o-chlorophenyl-)-2H-1,4-benzodiazepine-2-thio and acetohydrazide.
Patent BE-903347-A (BE)
Title: Pattern for looped pile or velvet fabrics - having knitted base resistant to distortion of pile distribution on upholstery covers etc.
IPC: D04B21/02
Filed: 1985-09-30
Abstract: A velvet or plush textile with a knitted or looped fabric base is made using one chain yarn and one weft yarn, such that all the pile or loop threads are subtended on one surface from links in which the weft yarn runs in a common direction, i.e. from alternate loops in a closely knitted base.
Patent BG-109310-A (BG)
Title: Document
Inventor: MITISHEV LYUBOMIR
IPC: G06K19/08
Filed: 2005-09-30
Abstract: The invention relates to a document used in clerkÆs offices mainly to certify insurances provided and/or taxes paid. It is better protected against damage and fraud. The document is in writing and consists of at least one sheet element, paper or other text (words and numerals) information carrier. On/in the sheet element (1), there are put or integrated at least one visual identification mark (3)and/or at least one discrete identification element (4) carrying coded (machine readable) information. All elements with discrete information are covered by a fixed protective layer (5) of transparent material.
Patent CA-1061012-A (CA)
Title: Complementary field effect transistor having p doped silicon gates and process for making the same
Inventor: CHANG CHI S
IPC: H01L21/331
Filed: 1973-10-09
Granted: 1979-08-21
Abstract: COMPLEMENTARY FIELD EFFECT TRANSISTOR HAVING P DOPED      SILICON GATES AND PROCESS FOR MAKING THE SAME                       ABSTRACT      An insulated gate complementary field effect transistor integrated circuit uses silicon as the gate electrode.  The gates of both N- and P- channel transistors are doped with P type impurities, thereby balancing the voltage threshold characteristics of the transistors.             After the P type diffusions are completed, a dip etch is used in the process to open the windows for the N type diffusions, thereby avoiding the necessity for applying photo-resist as a mask.