baber/WOPTO huggingface dataset:
Patent KR-800000166-B1 (KR)
Title: Method of manurature for medicinal crop additives addition using fodder
Inventor: LEE SANG HO
IPC: A23K1/14
Filed: 1977-04-21
Granted: 1980-03-10
Abstract: Fattening promoting agent for fodder was manufd. by dipping several pulverized medicinal herb in dil. alk. soln., and by adding acorn powder to them.  Thus, 30-40% moisture-contg. white peony root powder 15-25, arrowroot powder 15-25 parts, and other medicinal herbs were dipped in K2CO3 or KOH for 48-72hr. and then an acorn powder 5-8 parts added to obtain promoting agent.
Patent KR-810000985-B1 (KR)
Title: Bipolar electrode
Inventor: ICHISAKA TERUO
IPC: C25B11/00
Filed: 1978-02-14
Granted: 1981-08-25
Abstract: An anode and a cathode are isolated by the isolating wall and connected electrically and mechanically.  The bipolar electrode is specially used for electrolyzing the alkali chloride solutions so that manufacturing alkali chlorates or alkali and chlorine.
Patent KR-820001015-B1 (KR)
Title: Launching guard for life boats
Inventor: OLSEN K
IPC: B63B23/36
Filed: 1978-05-12
Granted: 1982-06-07
Abstract: A skid fender for life boats consists of at least one impact energy absorbent compressable body (10) fastened along a rigid elongated bumper (16) on the inside so as to be positioned between the life boat hull (11) and the bumper. The bumper is releasably fastened to the hull by parts attached to each end of the bumper to permit flexing relative to the hull in response to changes in the state of compression of the body or bodies. The fastening parts may include a wire strap (24) in its length. One end of the strap is attached to the bumper with the other end for releasable attachment to the life boat.
Patent KR-820002329-B1 (KR)
Title: Electron gun assembly for cathode ray tubes and method of assembling the same
Inventor: TAKANASHI YUKIO
IPC: H01J29/04
Filed: 1978-10-25
Granted: 1982-12-17
Abstract: An electron gun assembly comprising direct heated cathodes each having an electron emitting member fixed on a filament which is stretched between a pair of support means disposed face to face with each other on a substrate and a plurality of grid electrodes containing first grids, said cathodes and grid electrodes being secured with predetermined distance with one another by insulative support rods.  Each of the cathodes has a means adjusting the spacing between the first grid electrode and the electron emitting member.
Patent KR-810001600-B1 (KR)
Title: Process for the continuous manufacture of metallic anodes from molden metal
Inventor: DOMPAS JOHN M A
IPC: B22D11/06
Filed: 1978-11-07
Granted: 1981-10-27
Abstract: Molten metal is continuously cast into a metal strip (4) in the moulding cavity (13) which has two movable belt (14,15) and two movable side walls (20).  The metallic anodes (11) are made from the metal strip (4) before the metal strip got cool.  Preferably, the metal is a crude copper.  The metal strip is cut by one or more plasma torch.  So, the metallic anodes having small loss is manufactured.
Patent KR-830000537-B1 (KR)
Title: 반도체 제품의 자동조립 및 본딩장치
IPC: H01L21/00
Filed: 1979-08-28
Granted: 1983-03-12
Abstract: 내용 없음.
Patent KR-830000955-B1 (KR)
Title: 주사전자현미경 등의 대물렌즈
IPC: H01J37/14
Filed: 1980-03-25
Granted: 1983-05-14
Abstract: 내용 없음.
Patent KR-830001180-B1 (KR)
Title: 자동판매기
IPC: G07F9/00
Filed: 1980-07-15
Granted: 1983-06-20
Abstract: 내용 없음.
Patent KR-840001734-B1 (KR)
Title: Process for the preparation of polyprenylcarboxylic acid amides
Inventor: YAMATSU ISAO
IPC: C07C233/05
Filed: 1980-08-06
Granted: 1984-10-18
Abstract: Title compds. I(a,b=H, bond; R1,R2=H, lower alkyl, phenyl, substitued phenyl, benzyl, phenyl, etc.; R1,R2=forming 5-6 membered heterocycle contg. -N; n=1,4), useful as protection agent for the liver against D-glactosamine-induced damage, were prepd. by reaction of II and III. Thus, 1g Nh3 in 100ml THF reacted with 9.5g (E,E)-3,7,11,15-tetramethyl-6,10,14-hexadecatrienoic acid chloride to give 5.6g (E,E)-3,7,11,15-tetramethyl-6,10,14-hexadecatriene amide.
Patent KR-860000016-B1 (KR)
Title: Highly hard material coated articles
Inventor: KOBAYASHI MITSUNORI
IPC: C23C30/00
Filed: 1981-04-29
Granted: 1986-01-30
Abstract: This hard material is used to coat the surface of the substrate of a tool or part consisting of cermets, cemented carbides, of the tool or stainless steels. It consists of at heast one of the carbides, nitrides or carbonitrides of titanium; zirconium; and hafnium. The crystals of the coated film are oriented in the direction of (220) on the surface of the substrate. In an X-ray diffraction using Cu-K rays, the diffraction intensity ratio, of the peak from the (220) plane and the secondary strong peak, is 100 to 15 or less. The half value width of the diffraction peak from the (220) plane of the coating film is 0.80  or more on a scale of 2 .
Patent KR-870000783-B1 (KR)
Title: Unloading controlling apparatus for jib crane
Inventor: TABUCHI AKIRA
IPC: B66C13/18
Filed: 1981-05-22
Granted: 1987-04-18
Abstract: This invention describes unloading contro mechanism of jibcrane to common rotating object which is heavy goods. Therefore two rotatable shaft, are needed to unload. Two rotators are located at jibcrane and when the obtainable quantity distinction due to winding and up/down device occurs, the displacement due to obtainable quantity distinction is used for controlling two jibcranes simultaneously. This controller improves unloading efficiency and prevents oblique heavy cargo, to unload stably and parally.
Patent KR-840000727-B1 (KR)
Title: An apparatus for continuous treatment of a continuous-length material with low temperature-plasma
Inventor: IMADA KYOSHI
IPC: B29D7/01
Filed: 1981-06-20
Granted: 1984-05-24
Abstract: Continuous sheet materials(F) are subjected to a superficial plasma discharge at low temp. and pressure by leading the material into and out of one or more plasma discharge chambers(1) via a series of subsidiary chambers(8,9) with roll nip seals(10,11).  The sheet passes over a cathode(4) in the form of a rotating drum, parallel to the surface of which are mounted one or more rod anodes(5).  Power is provided as appropriate to rotate the guide and rolls and the anode, to apply vacuum and to generate a high frequency discharge between the cathode and anode.
Patent KR-840001761-B1 (KR)
Title: Mixtures of optical brighteners
Inventor: MARTINI THOMAS
IPC: D06L4/65
Filed: 1981-07-16
Granted: 1984-10-19
Abstract: Fluorescent whitner mixt. comprising 1-60 wt. % I(P,Q=indepently halo, alkyl, pH, carbalkoxy, alkylsulfonyl,(F3,H) and 99-40 wt.% of other conventional fluorescent whiters, esp. useful for polyester, polyamide, and acetate fibers, gave a whiteness degree increase in the use of these conventional whiteness. Thus, 20 parts I(P,Q=H) and 80 parts II gave a whiteness degree og 214 on a polyester textile while 100% II gave a degree of whiteness of 186.
Patent KR-880000466-B1 (KR)
Title: Method of sealing coke oven with horizontal chamber
Inventor: STOG WILHELM
IPC: C10B25/16
Filed: 1982-04-16
Granted: 1988-04-07
Abstract: Sealing the oven chambers of horizontal coke oven batteries against the atmos. uses a light-weight oven door which is equipped with latch bars to be lowered into latch hooks on the door frame. The door is designed as an elastic diaphragm plate which is urged against a peripheral knife edge on the door frame by an inflatable element, assembled along its periphery.  Such a desing adapts itself to any variations of the sealing faces.  The light weight makes the door easy to handle.  It ensures a reliable seal.
Patent KR-860001449-B1 (KR)
Title: Automatic controlling method of transmission
Inventor: FUKUNAGA YOSHIO
IPC: F16H59/74
Filed: 1982-10-08
Granted: 1986-09-25
Abstract: The automatic gear changing control for a motor vehicle extends the velocity range for each gear ratio at higher vehicle loadings. The gear shifting operation is effected by its dependence on vehicle speed, engine speed, engine load as control factors. The ratio of vehicle speed to the engine load as well as a signal corresponding to the loaded weight of the vehicle is applied to a comparator circuit for automatically controlling the transmission and gear shifting operation. The output of the comparator circuit is then applied to a logic circuit which controls a speed change position.
Patent KR-920003094-B1 (KR)
Inventor: SATOU YUZI
IPC: A47B53/02
Filed: 1982-11-17
Granted: 1992-04-18
Abstract: 내용 없음.
Patent KR-870000062-B1 (KR)
Title: Process for preparing antibiotic effective against staphylococcus infections
Inventor: HODES DAVID S
IPC: A61K35/74
Filed: 1983-03-31
Granted: 1987-02-09
Abstract: Staphylocidin, an antibiotic that selectively inhibits staphylococci, was prepd. by fermn. with Rothia dentocariosa. Thus, R. dentocariosa ATCC 31918 was grown in a brain heart infusion broth at 35≰C for 65hr with aeration and agitation. The cells were harvested by centrifugation and lysed by heating in trichloroacetic acid. The pellet was recovered by centrifugation and suspended in a trypsin soln. at 37≰C for 2hr to give peptidoglycan having excellent antibacterial activity. Staphylocidin was a peptidoglycan with an imcompletely detd. structure.
Patent KR-900004330-B1 (KR)
Title: Composition for use in electro-magnetic wave shielding
Inventor: ITTO HIROTAKA
IPC: H01B1/22
Filed: 1983-07-25
Granted: 1990-06-22
Abstract: Electromagnetic wave shielding compsn. comprises (a) 30-70 wt.% copper (alloy) fibres 1-100 micron in dia. and 0.5-10 mm long embedded in (b) plasticised vinyl chloride resin or ABS resin. The plasticised vinyl chloride resin is suitably a copolymer of polymerisation degree 400-1200 with vinyl chloride content at least 50 wt.% plus (pref. 80-99.5 wt.%) a plasticiser. The compsn. may be press formed or injection moulded. It has shielding effect of at least 70 db in frequency range 30-100 MHZ and vol. resistivity 0.005- 0,5 ohm Cm and is useful paritc. for shielding a personal computer interface bus cable connector at low cost.
Patent KR-920001793-B1 (KR)
Inventor: GATO YASUYUKI
IPC: C08F220/14
Filed: 1984-03-30
Granted: 1992-03-02
Abstract: 내용 없음.
Patent KR-910004175-B1 (KR)
Inventor: PARRAVICINI FRFANCESCO
IPC: C07D237/20
Filed: 1984-04-26
Granted: 1991-06-24
Abstract: 내용 없음.
Patent KR-870000801-B1 (KR)
Title: Remotely installed,operated and removed manipulator for steam generator
Inventor: CLAN FRANCIS C
IPC: F22B37/02
Filed: 1984-10-11
Granted: 1987-04-20
Abstract: Mainpulator comprises an articulated arm mounted perpendicular to and vertically movable along a column, with the manipulator itself being installed in the steam generator and fixed to the tube plate. Tools can be attached to the arm and the arm and the tools can be displaced in a controlled manner. Appts., for installing a turntable on the tube plate of the lower head of a direct passage steam generator, comprises a base having an edge with an opening for retaining a pivot pin; a handle attached perpendicularly to the base and positioned horizontally during use; a longitudinal lifting element pivotted on the base edge, oriented vertically and making pressure on the bottom of the head within the steam generator.
Patent KR-910003261-B1 (KR)
Inventor: WAKEMAN RUSSEL J
IPC: F01L9/10
Filed: 1984-12-28
Granted: 1991-05-25
Abstract: 내용 없음.
Patent KR-890002952-B1 (KR)
Title: Apparatus for producing force of moving fluid
Inventor: COUSTEAU JACQUES Y
IPC: B63H9/00
Filed: 1985-02-11
Granted: 1989-08-14
Abstract: An elongated body has a rounded and symmetrical profile.  The profile defines a rounded and elongated leading portion (110a) whose thickness increases from the front to the rear and a rounded trailing portion (110b) whose thickness decreases.  The maximum thickness of the profile is between 50 and 100% of its length in the direction defined by its axis of symmetry.  The trailing portion has a section formed by a circular arc smaller than a halfcircle.  The remainder of the profile has a shape smoothly joined to the circular arc.  The system sucks the fluid into the body in an area located on a first side of the profile toward which the force is to be produced.
Patent KR-930001835-B1 (KR)
Inventor: IENAGA KATSUHARU
IPC: C07D233/72
Filed: 1985-03-04
Granted: 1993-03-15
Abstract: 내용 없음.
Patent KR-870001527-B1 (KR)
Title: Control device of sewing machine
Inventor: YAMAUCHI SADOMI
IPC: D05B69/22
Filed: 1985-03-30
Granted: 1987-08-22
Abstract: The sewing machine head has a feed and reverse mechanism, and a command unit or nominal stitch count system for the feed/reverse drive, and a unit to establish the position of the sewing machine head.  A reverse stitch control compares the position detector output signal with the number of stituches provided by the stitch adjustment, as a nominal value, to provide an appropriate command to the feed/reverse drive, if the position detection signal matches the number of stitches shown.
Patent KR-890003081-B1 (KR)
Title: Additives for use in cell culture culture medium for non - serum cultivation and method of cell culture using them
Inventor: MISDA DOSINOBU
IPC: C12N5/00
Filed: 1985-05-10
Granted: 1989-08-21
Abstract: Additives for cell culture were prepd.  Thus, proteins obtained from 20 eggs were soaked in 25mM 3HCl buffer (pH 7.6) contg. 1% NaCl and treated with PEG 7500 during centrifugation (10,000 rpm X 10 min). The resulting precipitate was passed through sepharose CL-6B to give an additive (1 M.W.=700,000)
Patent KR-900005539-B1 (KR)
Title: Color picture tube having improved shadow mask
Inventor: MASTERTON WALFER D
IPC: H01J29/07
Filed: 1985-05-24
Granted: 1990-07-31
Abstract: The shadow mask is associated with a cathode-luminescent line raster image screen and comprises numerous slot-shaped appertures in columns. The spacing between adjacent slot columns increases from the centre of the shadow mask (24) towards the edge approximatlly with the fourth power of the distance from the shadow mask centre. pref. The contour of the shadow mask changes along its large axis (X-X) approx. as a function of the fourth power of the distance from the shadow mask centre. The distance between adjacent slot columns increases/approx. with the prodn. of a coefft. and the fourth power of the distance from the mask centre. The coefft. is greater for cross-sections of the shadow mask parallel to the large axis than from the cross-section along the large axis, with the parallel cross- sections offset w.r.t. the larger axis.
Patent KR-930000317-B1 (KR)
Inventor: GABE KATSUYUKI
IPC: B60C9/26
Filed: 1985-05-29
Granted: 1993-01-15
Abstract: 내용 없음.
Patent KR-920005488-B1 (KR)
Inventor: MAEDA TETSUYA
IPC: A61P31/04
Filed: 1985-06-08
Granted: 1992-07-06
Abstract: 내용 없음.
Patent KR-910002133-B1 (KR)
Inventor: NAKANO MITSUMASA
IPC: G06F17/21
Filed: 1985-06-21
Granted: 1991-04-04
Abstract: 내용 없음.
Patent KR-900001551-B1 (KR)
Title: Water absorbing agent
Inventor: TSUBAKIMODO TSUNEO
IPC: A61L15/18
Filed: 1985-07-01
Granted: 1990-03-12
Abstract: A water absorbent is produced by adding to water asorbing resin powder (a) polyhydric alcohol and (b) at least cpd. selected from water and hydrophilic organic solvents.  The ratio of (a) and (b) is each 0.001-10wt.% and 0.01-8wt.% per 100wt.% resin powder. The mixt. is heated at not lower than 90oC to react the water absorbing resin powder with the polyhydric alcohol so that the molecular chain around the surface of the powder is crosslinked. The water absorbent can be used as absorbent for paper nappies and sanitary napkins.
Patent KR-890004231-B1 (KR)
Title: Optical information recording member
Inventor: GIMURA KUNIO
IPC: G11B7/2433
Filed: 1985-08-24
Granted: 1989-10-27
Abstract: Optical information recording component contains an optical recording thin film which comprises Te, O, and Pd. The content of Pd and O is 5-40 and 20-60 atomic %, respectively, based on the total content of Te, O, and Pd.  Preferable content of Pd and O is 8-35 and 30-35 atomic %, respectively.  The film contains Ge, Sn, Al, Cu, Ag, Au, Se, Bi, In, Pb, Si, Pt, Sb, Pt, So, As, V, Cr, Co, and Ni to improve the optical characteristics and thermoresistance.  When the content of Pd is below 5 atomic %, the high speed crystallization of Pd-Te cannot be expected, whereas when it is above 40 atomic %, the thin film lowers in the charge of the reflection light.
Patent KR-920007193-B1 (KR)
Title: Anealing method of semiconductor elements
Inventor: YU SONG-JON
IPC: H01L21/324
Filed: 1985-12-20
Granted: 1992-08-27
Abstract: In annealing of substrate which has  an  ion-implanted  layer during fabrication  process  of   compound   semiconductor,   the annealing method is characterized by annealing  two  ion-implanted substrates faced each other in high temperature resistance  vessel which is charged with argon gas at high pressure. In this  method, the annealing temperature can be 800-900  deg.C,  and  it  can  be annealed  directly  after  ion  implatation  without  coating   of protection layer. It has advantages of low manufcturing  cost  and production of high quality semiconductor devices.
Patent KR-930005117-B1 (KR)
Inventor: ITO YOSHITOSHI
IPC: D06Q1/00
Filed: 1986-07-12
Granted: 1993-06-15
Abstract: 내용 없음.
Patent KR-920010319-B1 (KR)
Inventor: YAMATOMO HIDEAKI
IPC: H01L31/20
Filed: 1986-07-15
Granted: 1992-11-26
Abstract: 내용 없음.
Patent KR-890003655-B1 (KR)
Title: Production of sulfur from oxygen enriched claus system
Inventor: CHEN MICHAEL S K
IPC: B01J12/00
Filed: 1986-10-21
Granted: 1989-09-29
Abstract: A gas contg. 60 mole % or above H2S is combusted with an enriched O2 gas in a claus reaction furnace.  The furnace effluent is directly quenched by introducing a fluid sulfur into the effulent to inhibit H2S in formation and maintain the H2S; SO2 ratio in the effluent at 1.95:1-2.05:1.  The sulfur is then condensed out an the effluent further treated in the catalytic claus reaction zone and tail gas clean up unit to provide a vent stream contg. 2 vol.% H2S.
Patent KR-930010348-B1 (KR)
Inventor: ENGLEBERT STEPHEN M
IPC: D04H1/70
Filed: 1986-11-03
Granted: 1993-10-16
Abstract: 내용 없음.
Patent KR-900002172-B1 (KR)
Title: Wrapping paper and its manufacturing method
Inventor: KO YOUNG-SUN
IPC: B23B5/14
Filed: 1986-12-12
Granted: 1990-04-02
Abstract: applying threads (4)(4') onto wrapping paper (1)(1'); placing wrapping (5) onto (1'); applying a thynthetic resin soln.  fed from the feeder (9) when the wrapping paper (1)(1')(5) go through a guide roller (7) and a cooling roller (8), laminating the synthetic resin onto the wrapping paper (1); and then cutting the threads (4)(4') by the cutting blade for separating the wrapping paper (1) and the wrapping paper (1').
Patent KR-930009534-B1 (KR)
Inventor: KOBAYASHI SHOEI
IPC: G11B7/0033
Filed: 1985-07-19
Granted: 1993-10-06
Abstract: 내용 없음.
Patent KR-950003931-B1 (KR)
Inventor: SKOBELL PETER D
IPC: H01L29/08
Filed: 1987-03-10
Granted: 1995-04-21
Abstract: 내용 없음.
Patent KR-900000475-B1 (KR)
Title: Stockes market condition display devices by color tv
Inventor: KIM SUNG-SOO
IPC: G06F3/153
Filed: 1987-03-13
Granted: 1990-01-30
Abstract: The display having a controller for driving 4 color CRTs inlcudes video control boards (4I-4N) for supplying the data from data source, address/laster scan signal, and control signal to slots (271-273), and a video memory board inserted in the slots (271-273) for selecting memory region in which the characters to be displayed is stored according to the address set by a dip switch (33).
Patent KR-950007555-B1 (KR)
Inventor: DALLMANN HERMANN
IPC: G11B5/84
Filed: 1987-03-25
Granted: 1995-07-12
Abstract: 내용 없음.
Patent KR-910009578-B1 (KR)
Title: New compound of cerium(iv)and process for preparing the same
Inventor: CHANECHING JEAN-YVES
IPC: C01F17/235
Filed: 1987-03-26
Granted: 1991-11-21
Abstract: The cerium (IV) compound of the invention corresponds to the general formula (I):
 Ce(OH)x(NO3)y.pCeO2.nH2O (I)
 in which:
 - x is such that x = 4-y
 - y is between 0.35 and 1.5
 - p is greater than or equal to 0 and smaller than or equal to 2.0
 - n is greater than or equal to 0 and smaller than or equal to approximately 20. 
<??>The cerium (IV) compound can be dispersed directly in water.
Patent KR-890003898-B1 (KR)
Title: Water meter
Inventor: SON BYONG-SON
IPC: G01F1/56
Filed: 1987-04-11
Granted: 1989-10-10
Abstract: A water meter includes an operating assembly (A) and a remote indicating unit (B).  The operating assembly (A) comprises a pivot (12), a cylindrical body (10), a nozzle means (2) for water supply, and an impeller means (30).  And the remote indicating unit (B) comprises a pulse train regulating circuit (60), a counter circuit (70), and memory circuit (80) and indicating portion (90) for digital display.  The impeller means (30) are herizontally disposed and can be unidirectionally rotated by the water supplied between the pivot and nozzle means (20) within the body (10), and operates the signal generating circuit with the signal generator (304) disposed at any blade at every rotation thereof.
Patent KR-900008607-B1 (KR)
Inventor: ANDENSON JERRY M
IPC: G02B6/38
Filed: 1987-07-21
Granted: 1990-11-26
Abstract: 내용 없음.
Patent KR-960001623-B1 (KR)
Inventor: HONDA NORIMASA
IPC: C09D127/18
Filed: 1987-07-21
Granted: 1996-02-03
Abstract: 내용 없음.
Patent KR-900002775-B1 (KR)
Title: Automatic call signal processing method and an apparatus in a modem
Inventor: KIM YOUNG-CHUL
IPC: H04L27/00
Filed: 1987-08-25
Granted: 1990-04-30
Abstract: The apparatus includes a latch (20) transmitting data as hook relay control tone/ring enable signal, and tone data from a microcomputer, a multi frequency generator (40) generating the multi frequency signal according to output signal of a first terminal (23), a modem IC (60) checking tone signal and transmitting it to the microcomputer (60) through a third data bus according to the control signal from a second strobe signal terminal (ST2), a ring detector (70) detecting ring signal from an antenna, a voltage adder (80) adding and transmitting the signals from the multi frequency generator and carrier signal of modem, and a duplexer (900) protecting antenna network.
Patent KR-950007781-B1 (KR)
Inventor: FUKUSHIMA NORIO
IPC: F27B1/20
Filed: 1987-08-25
Granted: 1995-07-18
Abstract: 내용 없음.
Patent KR-910002566-B1 (KR)
Inventor: EIDEN FRIEDLICH DR
IPC: C07D495/04
Filed: 1987-09-07
Granted: 1991-04-26
Abstract: 내용 없음.
Patent KR-950008654-B1 (KR)
Inventor: IWASAKI KAZUHITO
IPC: H01J29/20
Filed: 1987-09-11
Granted: 1995-08-04
Abstract: 내용 없음.
Patent KR-960006665-B1 (KR)
Title: Process for the carbonylation of conjugated dienes
Inventor: DRENT EIT
IPC: C07C69/533
Filed: 1987-12-02
Granted: 1996-05-22
Abstract: Process for the selective carbonylation of conjugated dienes and in particular 1,3-butadiene, in the presence of a hydroxyl group containing compound in the liquid phase and in the presence of a catalyst system to be prepared by combination of:     (a) palladium or a compound thereof, (b) an organic phosphorus, antimony or arsenic derivative according to the general formula: <CHEM> wherein R1 represents an aryl group substituted with one or more electron-attracting groups and R2 and R3 each represent an optionally substituted aryl group wherein Q represents phosphorus, antimony or arsenic, preferably phosphorus, (c) a substituted benzoic acid with a pKa 4, preferably provided with one or more electron-attracting substituents and/or forming part of a larger condensed aromatic ring system, such as 2,6-dichlorobenzoic acid or 9-anthracenecarboxylic acid, and catalyst systems referred to hereinabove. f
Patent KR-910001004-B1 (KR)
Inventor: OVERBAY MARK A
IPC: B23K9/32
Filed: 1988-02-15
Granted: 1991-02-19
Abstract: 내용 없음.