baber/WOPTO huggingface dataset:
Patent ES-2428463-B1 (ES)
Title: Dispositivo de inyección de aditivos líquidos en tuberías de vapor y fibra a presión
Inventor: VIEJO FERNANDEZ JOSE IGNACIO
IPC: F16K11/076
Filed: 2012-03-05
Granted: 2015-04-28
Abstract: Dispositivo de inyección de aditivos líquidos en tuberías de vapor y fibra a presión, que comprende una válvula con al menos cuatro vías (1, 2, 3, 4) montadas sobre un rotor cilíndrico (5) porta inyectores, de modo que mientras dos de dichas vías (3, 4) se encuentran en posición operativa comprendiendo una boquilla de inyección (6), las al menos otras dos vías (1, 2) están en posición de limpieza, refrigeración o sustitución. El rotor cilíndrico (5) porta inyectores se dispone en el interior de una carcasa (7) rectangular provista de orificios para las vías (1, 2, 3, 4), donde uno de los lados es tangente a la generatriz de la tubería (8).
Patent ES-2443542-B1 (ES)
Title: Estañosilicatos laminares, procedimientos de obtención y usos de los mismos
Inventor: TELLEZ ARISO CARLOS
IPC: C01B39/00
Filed: 2012-07-19
Granted: 2014-11-26
Abstract: Estañosilicatos laminares, procedimientos de obtención y usos de los mismos.#La presente invención se refiere a un estañosilicato laminar, al producto de su expansión y al producto de la posterior deslaminación. Además, la invención se refiere a sus procedimientos de obtención y aplicaciones.
Patent ES-2522794-B1 (ES)
Title: Gorro para chimenea
Inventor: BUENO DE CASTRO LUIS
IPC: F23L17/02
Filed: 2013-05-17
Granted: 2015-09-17
Abstract: Gorro para chimenea giratorio de forma cónica que evita que el viento y el agua entren en la chimenea.#Mediante un mecanismo parte, del sombrero gira un eje (Nº 5) que va insertado en el vértice del capuchón (Nº 7). Esta parte móvil se opone al viento impidiendo así que tanto la lluvia como el viento entren en la chimenea facilitando la salida del humo. El mecanismo gira gracias a una placa direccional (Nº 1) que actúa como veleta colocando una tapa cortavientos (Nº 4) en la dirección de la que viene el viento protegiendo la chimenea en esa dirección, cada vez que cambia el viento de dirección este mecanismo gira.#El gorro se une a la chimenea mediante unas patillas que pueden fijarse a la misma con tornillos prisioneros (Nº 9) o mediante una abrazadera (Nº 10).
Patent HR-P20040186-B1 (HR)
Inventor: ENGEL JUERGEN
IPC: A61P37/06
Filed: 2004-02-25
Abstract: Uporaba cetroreliksa za proizvodnju lijeka, naznačena time, da se koristi za liječenje Creuzfeldt-Jakobove bolesti. Patent sadrži još 4 patentna zahtjeva.
Patent JO-1469-B1 (JO)
Title: process and machine for the manufature of atir reiforcement
Inventor: CLAUDE DEBEROCHE
Filed: 1987-08-01
Granted: 1988-03-10
Abstract: A process for producing a tire reinforcement is characterized by the fact that each reinforcement cord is projected individually into its place in the reinforcement, for this purposes, a machine is used which comprises laying member comprising essentially a rotary conduit which project the cord by a radially outer extremity of the conduit and rollers which impose a linear speed of laying of the cord
Patent JO-3069-B1 (JO)
Title: Economical process of manufacturing a co-ground calcium carbonate material of the gcc and pcc type with a specific steepness factor obtained products and their uses
Inventor: POHL MICHAEL
IPC: C09D7/61
Filed: 2006-09-14
Granted: 2017-03-15
Abstract: An object of the present invention is to provide a process to obtain a calcium carbonate material comprising GCC and PCC. with a specific steepness factor (defined as d30/d70 x 100) where dx is the equivalent spherical diameter relative to which x % by weight of the particles are finer) of at least about 30, preferably of at least about 40, and most preferably of at least about 45, in a cost efficient manner, wherein GCC and PCC are co-ground, possibly with at least another mineral material. An other object of the present invention lies in the the obtained co-ground calcium carbonate material in the form of an aqueous suspension and in the form of a dry product. An other object of the present invention lies in the uses of such products in any sector making use of mineral materials, and notably in the paper, paint and plastic industries.
Patent JO-2825-B1 (JO)
Title: Sterile Sucralose Solution Without Preservatives
Inventor: LASSAAD BOUJBEL
Filed: 2009-08-12
Granted: 2014-09-15
Abstract: The invention relates to a novel composition of a nutritional complement and to the production method thereof. Said composition is a sucralose sweetening agent in a sterile solution without preservatives. Sucralose exists on the market mainly in a powder or tablet form and sometimes in a liquid form with preservatives. The novel composition and the aseptic production method thereof enable sucralose in a sterile solution to be obtained without adding preservatives.
Patent JO-3191-B1 (JO)
Title: Process and reagents for the inhibition or reduction of scale ‎formation during phosphoric acid production
Inventor: BING WANG
Filed: 2010-09-26
Granted: 2018-03-08
Abstract: Processes and reagents for inhibiting or eliminating scale formation during wet-‎process phosphoric acid production are provided and include adding to a wet- ‎process phosphoric acid production stream a scale inhibiting amount of a reagent ‎having an aliphatic or aromatic compound containing at least two hydroxy groups, ‎and at least one amine.‎
Patent JO-3029-B1 (JO)
Title: NOVEL ANTIFUNGAL 5,6-DIHYDRO-4-[(DIFLUOROETHYL)PHENYL]-4H-PYRROLO[1,2- a][1,4] BENZODIAZEPINE AND 4-(DIFLUOROETHYL)PHENYL-6H-PYRROLO[1,2- a][1,4]BENZODIAZEPINE DERIVATIVES”
Inventor: DE WIT KELLY
Filed: 2011-05-30
Granted: 2016-09-05
Abstract: The present invention concerns novel compounds of Formula (I): wherein R1, R2, R3, R4, R5 and R6 have the meaning defined in the claims. The compounds according to the present invention are active mainly against dermatophytes and systemic fungal infections. The invention further relates to processes for preparing such novel compounds, pharmaceutical compositions comprising said compounds as an active ingredient as well as the use of said compounds as a medicament.
Patent JO-2899-B1 (JO)
Title: Disclaimer passenger aircraft system
Inventor: AHMAD TAYSEER DEEB SAُSAُ
Filed: 2013-02-03
Granted: 2015-09-15
Abstract: Boils down to this design to protect the passengers from air accidents, whether a fault plane or any reason construed to crash from the air to the ground or in cages of evacuation of the passengers white the plane at the airport. and raise the survival of the elderly, children and people with special needs relative to the percentage the same people healthy, as the design does not need to change the passenger sitting way or the internal distribution of the aircraft, but provides additional space allocated to the exploitation of space smuggler deliverance also facilitates the adjustment of old aircraft that system. This design depends to a ground plane split into two parts essential part of the first plane a fixed structure (Fixed and) along the length of the plane on the right and the north are two parallel lines of work are working railway. The second part is (Vehicle) acts as a vehicle train as describing the vehicles. one after the other on the plane along and prove a special clip on the hard ground to make up in the end and one floor for the user and demonstrate the seats on the vehicle and fixed ground-traditional form, as I mentioned In the event of a circumstance constitutes a danger to the passengers life what should the captain is to move the arm to operate a separate system from the basic plane devices minor ones to begin with providing a safe space on the vehicles, and moving vehicles, one after the other to the outside of the plane through the. .. emergency doors are present in the background of the plane It also is not limited to the use of design in the air disaster and only can be used to evacuate passengers from the plane at the airport also if there is an emergency reason for the evacuation of passengers from the plane.
Patent KR-800001706-B1 (KR)
Title: Tile
Inventor: UMEDA DOSHIHYKO
Filed: 1974-02-23
Granted: 1980-12-31
Abstract: Tiles with antishocking and weather resistant properties were manufd. by using Hansoo stone(a kind of marble) and white cement.  For example, copolymer of chloroprene, butadiene, acrylic emulsion, methyl methacrylate and acrylonitrile, and soln. of urea and formalin are mixed by wt. ratio of 10:7 The mixt. 10 parts are added to the other mixt. 100 parts of Hansoo stone and white cement.  The produced material is sedimented by adding paint to be formed on the surface layer of tile and on its backside laminated with usual mortar layer.
Patent KR-790001560-B1 (KR)
Title: Thermal stabilization of halogenated polyols
Inventor: ALLAN H SYROP
IPC: C08L71/02
Filed: 1975-01-30
Granted: 1979-10-30
Abstract: A compn. and method enhancing the thermal stability of halogenated polyols was described. polyols containing>=1 halogen atom such as chlorine and bromine had non-flammable property, but caused the gradation of foam at high temp.  Turpentine was added to halogenated polyol to enhance the thermal stability.  The compn. included 200g polyol prepd. from 1 mol hydrous dextrose, 1 mol ethylene glycol, 940g 4,4,4-trichloro-1,2,-epoxy butane and 2g turpentine.
Patent KR-810001640-B1 (KR)
Title: Turbine control system
Inventor: CRONIN MICHAEL J
IPC: F01B21/04
Filed: 1975-03-12
Granted: 1981-10-27
Abstract: The turbine control system is rolling a turbine rotor when the throttle is set either to stop, or to start, as required and includes a main steam vlave position control oct. for controlling the flow of a motive fluid to at least one turbine and an automatic roll-over cct. for providing a valve position set command signal to the valve position control cct. in response to a turbine shaft zero-speed condition.  The automatic roll-over cct. comprises at least one shaft speed signal input and devices responsive to the shaft speed signal input for detecting a zero-speed condition of the turbine shaft and a valve position set circuit.
Patent KR-790000730-B1 (KR)
Title: Method for preparing bis-(2-pyridyl-1-oxide) disulfide
Inventor: HAYWOOD HOOKS JR
Filed: 1975-05-01
Granted: 1979-06-28
Abstract: Bis (2-pyridyl-l-oxide) disulfide(I), useful as bactericides and fungicides(no data), was prepd. with a high purity and high yield. Thus, 2-chloro-pyridine-N-oxide was obtained by oxidizing 2-chloro-pyridine with permaleic acid, and mercaptized by alkali metal hydrosulfide or alkali metal sulfide to form an alkali salt of 2-mercaptopyridine-N-oxide, maintaining the final pH at 4-5, and oxidized with a hydrogenperoxide to give I.
Patent KR-790001443-B1 (KR)
Title: Apparatus for molding a slurry of calcium silicate crystals
Inventor: JUNJI KISHINO
IPC: B28B3/04
Filed: 1975-12-27
Granted: 1979-10-13
Abstract: An apparatus for molding a slurry of calcium silicate crystals by dehydrating from the slurry, consisted of the water outlet on the base, a conveyor(9) for moving the slurry, a lower mold(10) located between the conveyor and base, an upper mold(13), and operators for suppressing and dehydrating the slurry by moving the two molds up and down.
Patent KR-830000402-B1 (KR)
Title: 중금속 이온과 할로겐 화합물의 회수방법
IPC: B01D15/04
Filed: 1978-08-31
Granted: 1983-03-07
Abstract: 내용 없음.
Patent KR-820002144-B1 (KR)
Title: Method of detecting flaws on surfaces
Inventor: NICK Y
IPC: G01N21/27
Filed: 1979-08-08
Granted: 1982-11-15
Abstract: Surface flaws on nuclear fuel element tubes, are detected by rotating a tube while advancing axially past a scanning laser beam and two stationary detectors to monitor reflections.  Each scan signal from<2 series is divided into>=30 increments each identifiable as to position in the scan. Increments from the same position of >=1 other scan are combined to give position-related dynamic average signals from a further scan are compared to the average signals to generate a signal indicating surface condition.  Each signal is divided into 100 increments.  The method provides high sensitivity.
Patent KR-840000765-B1 (KR)
Title: Process for the preparation of sulfinylamides
Inventor: KRISTIANSEN ODD
IPC: A01N51/00
Filed: 1980-11-05
Granted: 1984-06-08
Abstract: The title compds. I (R1=H, C1-C6 alkyl; R2=C1-C6 alkyl, alkoxy; R3=Ph optionally substituted by halo, alkyl, alkoxy, alkylthio, alkenyl, alkynyl, NO2, dioxolanyl, or dithiolanyl) were prepd.  Thus, 3-(Me2CH)C6H4O2CNMeH was treated with SOCl2 in THF, followed by the addn. of pyridine and MeNHOMe, to give 3-(Me2CH)C6H4O2CNMeS(O)NMeOMe, which is useful as an insecticide, acaricide, and nematocide.
Patent KR-840001791-B1 (KR)
Title: Coating composition containing ultraviolet agents
Inventor: ASHBY BRUCE A
IPC: C07F7/18
Filed: 1981-05-29
Granted: 1984-10-20
Abstract: Silanol-reacting alkoxysilyl or alkanoyloxysilyl-alkyl carbamyl adducts of arom. UV absorbers of formula (I, X=CO, C=C(CN)COOW; Y=H, OH; Z=H, OH, OQ, OW but at least one Z is OH if Y is H; Q=CONH(CH2)3Si(R2)x(OR1)y or CONH(CH2)3Si(R2)x(OCOR')y; W=C1-18 alkyl; X=0,1,2; Y=1,2,3 but x+y=3; R1,R2=C1-6 alkyl) are new. I are UV absorbing agents which may be used to protect wood, metal, leather, plass, ceramics, textiles and esp. plastics such as acrylics, PVC and polyethene but, in particular transparent polycarbonate panels. These coating may be air dried then heated to 75-200oC to cure giving a hard protective coating with good adhesion.
Patent KR-850000574-B1 (KR)
Title: Process for preparing 3,6-bis(carboethoxyamino)-2,5-diaziridinyl-1,4-benzoquinone
Inventor: BACKLUND STEPHEN J
IPC: C07C239/00
Filed: 1981-08-28
Granted: 1985-04-29
Abstract: A dialkyl, di(arylalkyl) or diphenyldiaminohydroquinone of formula (I) was prepared with a molar excess of a pyrocarbonate di-substd. with alkyl gps., arylalkyl gps., or phenyl gps. to form a diphenyl diamino hydroquinone-N,N'-dicarboxylate. The hydroquinone was oxidized to the corresp. benzoquinone, which was then reacted with an aziridine having no substitutes on the N atom, but opt. with the C atoms substd. The resultant diazirindinyl prod. (II) was then recovered. The process is of lower cost and has a shorter processing time. The intermediate hydroquinone may be used as a fungicide or bactericide.
Patent KR-890001462-B1 (KR)
Title: Article coated with fluoropolymer finish with improved durability
Inventor: CONCANNON THOMAS P
IPC: B05D7/16
Filed: 1982-01-09
Granted: 1989-05-04
Abstract: Fundamental layer (FL) and multicoating layer (ML) are coated onto an article sequently.  FL is composed of (a) granular polymer 25-65 wt.% (av. mw=at least 20,000, monoethylene type unsatd. hydrocarbon monomer completely substd. by F or (l), (b) at least one granular copolymer 30-50 wt.% contg. (i) F2C=CF2 99.5-92 wt.%, (ii) perfluorated vinylether of formula CF2=CF-O-Rf (Rf=perfluoroalkyl radical) or perfluorated ether (of formula (I), n=0-4)  0.5-8 wt.% and (iii) opt. CF2=CF-CF3 and (C) thermostable polymer (stable below 200 deg.C, Tg=above 130 deg.C) 0-25 wt.%. ML is composed of at least 10 wt.% of (b) [below 0.75 times of it in FL  and 0-15 wt.% of (c).
Patent KR-850001230-B1 (KR)
Title: Process for preparing narasin
Inventor: KASTNER RALPH EMIL
IPC: C12R1/465
Filed: 1982-05-04
Granted: 1985-08-23
Abstract: Prepn. of the antibiotic narasin (I) comprises cultivating Streptomyces granuloruber NRRL 12389 or a suitable mutant or variant under submerged aerobic conditions, in a medium contg. sources of carbohydrate, N and inorganic salts. (I) is pref. then sepd. from the medium. (1) in active against gram-positive and anaerobic bacteria and fungi, and is useful as an antioccidial agent and as an agent for increasing feed-utilization in ruminants.
Patent KR-890000232-B1 (KR)
Title: Tire retreading system with envelope pressure
Inventor: DONALDEE BREWER
IPC: B29D30/56
Filed: 1982-09-20
Granted: 1989-03-11
Abstract: A tire casing is retreated by placing an assembly of a tire, a precured rubber tread and a rubber-base material between the tire and tread with a flexible airtight cover, and pressurizing a vessel in which the assembly is located to press the cover against the assembly.  A pressure fluid from the vessel is fed through a check valve to the cover manifold outside the vessel which then supplies the cover with the fluid.
Patent KR-910006674-B1 (KR)
Inventor: NAGASAWA KOUCHI
IPC: H01L27/092
Filed: 1983-08-29
Granted: 1991-08-30
Abstract: 내용 없음.
Patent KR-890000161-B1 (KR)
Inventor: SHINOA KENICHI
IPC: H01M2/10
Filed: 1983-09-05
Granted: 1989-03-08
Abstract: 내용 없음.
Patent KR-900006420-B1 (KR)
Title: Spray cryslallization
Inventor: RUSHTON WILLIAM E
IPC: B01D9/00
Filed: 1983-11-17
Granted: 1990-08-31
Abstract: A spray crystalliser comprises a crystallization vessel which includes a spray chamber in overlying relation to a collection basin, the chamber having a first opening adjacent its upper end which communicates with the atmosphere and a lower end which includes a bottom for the discharge of slurry from the chamber into the basin, an inlet for air at ambient temp. and pressure from the atmosphere to pass upwardly through the chamber and be exhausted therefrom through the first opening. The collecting basin has an open upper end which defines the air inlet, the spray means is adjacent the upper end of the spray chamber for spraying a slurry into the air flowing through the vessel to be concentrated and crystallized.
Patent KR-860000289-B1 (KR)
Title: Manufacturing method of hygienic of hygienic polyester fiber
Inventor: AN BYONG-HUN
IPC: D01F1/10
Filed: 1984-04-23
Granted: 1986-03-26
Abstract: Hygienic polyester fiber preventing micro-organism propagation and bad odor is manufactured from polyester fiber comprising 80 mol% of ethylene terephthalate, 2 -10 mol.% of 5-sulfoisophthal ate alkali salt or its ester derivative, and glycol. The process involves treating the fiber with an aqueous solution containing copper or silver salt. The loaded amount of copper ions or silver ions is more than 0.1 ml equiv. wt./g fiber.
Patent KR-900000739-B1 (KR)
Title: Etchant composition
Inventor: ENZYO NAONORI
IPC: C23F1/30
Filed: 1984-08-07
Granted: 1990-02-10
Abstract: An aqueous etchant compsn. comprises a hydrogen fluoride, an ammonium fluoride and a surfactant selected from a gp. consisting of a flurorine-contg. carboxylic acid and its salt of formula RfCOOH [Rf=C3-20  F-contg. hydrocarbon! and NR1R2R3[R1=R2=R3=H, C1-5 alkyl or hydroxy-C1-5 alkyl!.  The compsn. is free of potassium, sodium and calcium ions and any metal ions which deteriorate electric properties of semiconductor.  The compsn. is useful for etching an oxidized silicon film on the semiconductor surface.
Patent KR-880002444-B1 (KR)
Title: Water-cooled diesel engine for use outboard engine
Inventor: AMEMORI KOICHI
IPC: F02F1/36
Filed: 1985-02-21
Granted: 1988-11-12
Abstract: In water-cooling outboard diesel engine, an intake valve, an exhaust valve and a cam shaft are arranged in one side against the vertical center plane of the engine.  In the other side against the center plane a unit fuel injector and a speed governer are arranged.  An oil filter is arranged in the side of the said cam shaft.  The cam shaft activates the unit fuel injector.  An intake port is formed on the side face of the cylinder head in the side of the unit fuel injector.  An intake pipe joined to the intake port extends to the front face of the crank case along the rear part of the speed governer.
Patent KR-910000266-B1 (KR)
Inventor: LORD RICHARD G
IPC: G01R31/00
Filed: 1985-04-02
Granted: 1991-01-23
Abstract: 내용 없음.
Patent KR-920006267-B1 (KR)
Inventor: GYUGYI LASZLO
IPC: H02M5/27
Filed: 1985-04-03
Granted: 1992-08-01
Abstract: 내용 없음.
Patent KR-890001204-B1 (KR)
Title: Aeceleration control system for automobiles
Inventor: KITA YATSUO
IPC: B60W10/18
Filed: 1985-10-21
Granted: 1989-04-27
Abstract: The system includes a brake pedal (6), wheel brakes (7), a variable transmission (1), and an engine speed detector (17) for detecting the rotational speed of the engine.  An engine brake controller (24) produces a signal corresponding to the amount of operation on the brake pedal by a driver to apply the signal to an actuating terminal for controlling the reduction ratio of the transmission to change the reduction ratio.  A wheel brake controller (18) operates the wheel brakes when the engine speed has reached a predetermined level.  The variable transmission is an HMT or an HST comprising a combination of a hydraulic pumpmotor (11) connected to the engine output and a second pump-motor (12) connected to the drive wheels.
Patent KR-940005817-B1 (KR)
Inventor: LEE RUBY BEI-LOH
IPC: G06F9/38
Filed: 1986-06-27
Granted: 1994-06-23
Abstract: 내용 없음.
Patent KR-940007132-B1 (KR)
Inventor: OKAWA SHOJI
IPC: G05B19/4093
Filed: 1986-08-07
Granted: 1994-08-06
Abstract: 내용 없음.
Patent KR-930010032-B1 (KR)
Inventor: KATO YUKIO
IPC: A47C1/025
Filed: 1986-10-07
Granted: 1993-10-14
Abstract: 내용 없음.
Patent KR-960005162-B1 (KR)
Inventor: PAUL BLUM
IPC: B65D81/07
Filed: 1986-10-17
Granted: 1996-04-22
Abstract: 내용 없음.
Patent KR-940010812-B1 (KR)
Inventor: TANAKA SATOMI
IPC: G11B27/30
Filed: 1986-10-17
Granted: 1994-11-16
Abstract: 내용 없음.
Patent KR-900000054-B1 (KR)
Title: The detecting tube of double polarized wave in satellite broadcasting
Inventor: CHON SUN-IG
IPC: H01P3/123
Filed: 1986-11-07
Granted: 1990-01-18
Abstract: The detector includes a round shaped wave guide (16) for accepting satellite communication signals, an oval cylinder shaped converter (15) for helping the detection of the double polarized wave and a rectangular wave guide (14) for deteting another polarized wave. Wave detectors are respectively placed at the round shaped wave guide (16) and the rectangular wave guide (14) with degree of 90 ≰C for detecting two kinds of polarized waves.
Patent KR-900002824-B1 (KR)
Title: Process for the preparation of heat-resistant polymer
Inventor: KOONO MASAHIRO
IPC: C08G18/16
Filed: 1986-12-29
Granted: 1990-05-01
Abstract: A heat resistant polymer is prepd. by reaction of (a) an organic polyisocyanate with (b) a carboxylic acid and/or anhydride, in the pressence of (c) an alkali metal fuoride as cat.. The fluoride may be used with (d) a quat. ionium salt of formular (I: Z= N,P; R1,R2,R3,R4= alkyl, cycloalkyl, aralkyl, aryl; adjacent two gp. of R1,R2,R3 and R4 form a hetero cycle with Z or other hetero atom; X= halogen, CN, OH).  The polymers have good heat insulating properties, radiation resistance, thermal dimension stability, mechanical and electrical properties, chemical and heat resistance, and flame retardency.
Patent KR-900004517-B1 (KR)
Title: Novel carbamate additives for functional fluids
Inventor: WARD WILLIAM C JR
IPC: C10L1/24
Filed: 1987-02-20
Granted: 1990-06-28
Abstract: A molybdenum or tungsten thiocarbonate additive compsn. of formula (I) fluids is prepared. In (I), R1 and R2 are each H or hydrocarbyl such that R1 and/or R2 is H for at least 1 thiocarbamate gp. and hydrocarbyl for at least another; M is Mo or W; X is O or S; b is 1 or more; a is 1 or more (w.r.t. oxidn. state of M); c is 1 or more (w.r.t. oxidn. state of M); and d is O or 1 or more (w.r.t. oxidn. state of M). (I) is useful as an additive for lubricating oils, automatic transmission fluids, and has improved anti-wear antioxidant, extreme pressure and friction modifying porperties for internal combustion engines.
Patent KR-910000085-B1 (KR)
Inventor: TOGAMI SABURO
IPC: H02H7/26
Filed: 1987-03-05
Granted: 1991-01-19
Abstract: 내용 없음.
Patent KR-900004221-B1 (KR)
Title: Process for the preparation of bis-maleimide resin
Inventor: KIM CHONG-SU
IPC: C08G73/10
Filed: 1987-03-07
Granted: 1990-06-18
Abstract: A modified bismaleimide resin is prepd. by Michael addition reaction of bismaleimide and aromatic secodary diamine at 100140 C. Pref. the mole ratio of the bismaleimideto aromatic secondary diamine is 1.2:1- 4.0:1. Pref. the bismaleimide is N,N'-1,3phenylene bismaleimide, N,N'-4,4'-diphenylmethane bismaleimide, N, N'-4,4'-diphenylsulphone bismaleimide, etc.. Pref. the aromatic secondary diamine is N,N'- dimethyl-4,4'-diamino diphenyl methane, N,N'-dimethyl-2,4-diamino toluene, or N,N'-dimethyl-2,6-diamino toluene, etc..
Patent KR-950011581-B1 (KR)
Inventor: CHIMEL MARK
IPC: A23F5/48
Filed: 1987-04-08
Granted: 1995-10-06
Abstract: 내용 없음.