baber/WOPTO huggingface dataset:
Patent KR-850001893-B1 (KR)
Title: Device for securing removale component part to the frame of a two-wheeled motor vehicle
Inventor: CARIO DOVERI
IPC: B62J9/00
Filed: 1982-08-06
Granted: 1985-12-30
Abstract: The lock retains a detachable cover onto the chassis of a motor scooter. It has a hook (22) pivoting in a support on the chassis (13) and moving between a position where it retains the cover and a disengaged position. The pivoting of the hook is guiede by the support surface (28). The hook is pivoted on a cranked rod (20) on a shaft (14) mounted in the inaccessible interior section of the chassis. The shaft is rotated by a handle (19) and retained in a place by a key-actuated lock.
Patent KR-890000620-B1 (KR)
Title: Process for the preparation of 1-aryloxy-3-alkylamino propan-2-ols
Inventor: KOEPPE HERBERT
IPC: C07C33/00
Filed: 1982-08-25
Granted: 1989-03-22
Abstract: 1-Aryloxy-3-alkylamino-propane-2-ol or formula (I) and its acid addn. salts are prepared by reacting the cpd. (II) with the cpd. (III).  In these formulas, R1 is cycloalkyl of 3-10C, phenyl or aryloxyalkyl; R2 is H, halogen, alkyl or alkoxy of 1-4C, or the ring formed gps. - (CH=CH)2- or (CH2)n- (n=3,4,5) whose free valences are bound at ortho-position; R3 is linear or branched alkyl or 1-10C; Z is ethylene oxide gp. or -CHOH-CH2-Hal (Hal=halogen). (I) and their acid addn salts are useful as the cardio-selective beta blockers.
Patent KR-830001489-B1 (KR)
Title: 합성 수지 용지의 무늬 표출 방법
Filed: 1982-09-14
Granted: 1983-08-03
Abstract: 내용 없음.
Patent KR-900009064-B1 (KR)
Inventor: REPKE VIRGINIA L
IPC: A61F13/15
Filed: 1983-02-26
Granted: 1990-12-20
Abstract: 내용 없음.
Patent KR-840002000-B1 (KR)
Title: Process for the preparation of cis-4-phenyl-1,2,3-4-tetrahydro-1-naphthalen amine derivatives
Inventor: WELCH WILLARD MEKOWAN
IPC: C07C211/58
Filed: 1984-06-01
Granted: 1984-10-27
Abstract: Antidepressant pharmaceutical comprise the title compds. I(R1 = H or C1-3 alkyl; R2 = C1-3  alkyl; Z = substituted Ph; W = H, Br, Cl, F, CF3, and C1-3 alkoxy) and their salts. I were prepd. by a stepwise reaction either from the base-catalyzed Stobbe condensation of a substituted benzophenone with di-Et succinate, or from the condensation of a hydroxytetralone with the appropriate secondary amine in the presence of an acid catalyst. The effectiveness of I in blocking synaptosomal uptake of serotonin has been demonstrated.
Patent KR-910009975-B1 (KR)
Inventor: YAMADA TOSHIRO
IPC: C22C38/00
Filed: 1984-07-03
Granted: 1991-12-07
Abstract: 내용 없음.
Patent KR-890000847-B1 (KR)
Title: Ring of sintered metallic powder and producing of that products
Inventor: SO SANG-GI
IPC: B22F3/10
Filed: 1984-08-25
Granted: 1989-04-11
Abstract: Powder composition is C 0.3-0.5%, Mn 0.2-0.4%, P 0.3-0.5%, S 0.1- 0.2%, Zn-stearate 10% Fe.  The powder is formed, sintered, mechanically worked, and heat-treated and after-treated.  The after- treatment opens effectively the surface pores which were shut by the mechanical working and obtains a good polishing effect of the surface of the sintered ring.  The grooves are worked in 0.1-0.5mm depth with heat-treating and aftertreating, therefore to feed lubricant oil after the contacting part wears.
Patent KR-880000604-B1 (KR)
Inventor: CHON UI-JIN
IPC: B65H54/00
Filed: 1984-09-28
Granted: 1988-04-18
Abstract: 내용 없음.
Patent KR-920006630-B1 (KR)
Inventor: SHIIKI KAZUO
IPC: C22C38/00
Filed: 1984-10-31
Granted: 1992-08-10
Abstract: 내용 없음.
Patent KR-900001620-B1 (KR)
Title: Process for the preparation of phenobarbital and carbamazepine conjugates
Inventor: FLENTGE CHARLES A
IPC: C07F9/40
Filed: 1984-11-02
Granted: 1990-03-17
Abstract: Phenobarbital and carbamazepine conjugates of formula (I), esp. phenobarbital-thiophosphonate and carbamazepine-thiophosphonate are prepd. by reacting trifluoroacetate of buthoxycarbonylprotected phosphonate with acetylchloro derivs. of phenobarbital. In (I), Z=biologically acceptable counter ion: I, Cl, tetrafluoroborate or sulfomethyl; m=n=2-6; R and R1 are each lower alkyl. (I) are useful as an enzyme tracer.
Patent KR-870000367-B1 (KR)
Title: Process for the preparation of hydrolysis of nitrilotri-acetonitrils
Inventor: SHEN CHUNG Y
IPC: C07C229/16
Filed: 1984-12-13
Granted: 1987-03-06
Abstract: Nitrilotriacetate salts are produced from the partial hydrolysis of stoichiometrical amts. of nitrilotri-acetonitrils and alk. metal hydroxide mixt. by water, ebullition for 30min, addn. of 0.04% of bleaching agent by wt. to mixt., and recollecting a prods. Hydrolysis is performed at 40-70≰C and hydrogen peroxide is used for bleaching. Prepg. compds. are useful for a surface-active enhancing agent.
Patent KR-920003770-B1 (KR)
Inventor: KITAHARA KOICHI
IPC: B01D53/46
Filed: 1985-03-13
Granted: 1992-05-14
Abstract: 내용 없음.
Patent KR-900001337-B1 (KR)
Title: Switching system having capability for tele communication conferences
Inventor: NOJIRI SHOJI
IPC: H04M3/56
Filed: 1985-05-30
Granted: 1990-03-08
Abstract: The switching system is operative under control of central control equipment (26) and includes a speech path memory (24) to sequentially store the multiplexed voice data signals.  A circuit (28) demultiplies the switched voice data signals and transmits them to subscribers.  A feedback system (22,28) sends the mixed voice signals back to the speech path memory to write the feedback voice data signals into it.  Every accumulated voice signal is returned from the memory to respective subscribers via corresponding lines.
Patent KR-870001128-B1 (KR)
Title: Bisectional nozzle
Inventor: SO SANG-WON
IPC: D01D4/02
Filed: 1985-09-25
Granted: 1987-06-09
Abstract: Four circular yarn extrude holes(G)(H)(I)(J) are arranged in a rectangular format.  The distances between the holes a,b,c are 1.2- 1.5 times of the hold diameter.  The angles(θ1,θ2) between the upper holes(G)(J) and the lower holes (H)(J) are in the range of 20±15≰. This shape of bisectional nozzle inproves the groove formation in a synthetic texture filament manufacturing.
Patent KR-930010668-B1 (KR)
Inventor: NAKAMURA YUKIO
IPC: H01J29/76
Filed: 1985-11-02
Granted: 1993-11-05
Abstract: 내용 없음.
Patent KR-930010739-B1 (KR)
Title: Deactivation of catalyst in solution process for polymerization of alpha-olefins
Inventor: ZBORIL VACLAV G
IPC: C08F2/42
Filed: 1986-01-24
Granted: 1993-11-10
Abstract: A solution polymerization process for the pre-paration of high molecular weight homopolymers of ethylene and copolymers of ethylene and C3 - C12 alpha-olefins comprises feeding monomer(s), coordination catalyst and inert hydrocarbon solvent to a reactor, polymerizing the monomers at a temperature of up to 320 DEG C and a pressure of less than 25 MPa, and deactivating the catalyst in the solution so obtained. The catlyst is deactivated by sequentially admixing therewith (a) a minor amount of a first deactivator, (b) a solution of a salt of an alkaline earth metal or zinc and an aliphatic mono-carboxylic acid dissolved in hydrocarbon solvent, and (c) an organosilicon compound. The solution of (b) and the compound of (c) may be combined. The first deactivator may be water, a nitrogenous base or carbon dioxide or the like. The organosilicon compound is of the formula SiR min n (OR) sec )4-n where R min  and R sec  are alkyl or cycloalkyl and n is 0-3. The hydrocarbon solvent and other volatile matter are then separated from the resultant solution and a composition comprising said high molecular weight polymer is recovered.
Patent KR-900001410-B1 (KR)
Title: A manufacture method for mutlilayer printed circuit board
Inventor: KIM YON-KON
IPC: H05K3/46
Filed: 1986-04-15
Granted: 1990-03-09
Abstract: The method comprises a first process for drilling the piled board utilizing a drilling zig, a second process for dividing the piled board into individuals and printing circuit on inner layer, and for drilling a press hole by inputting the position data of film guide and a press hole to CNC drilling machine, and a third process for dividing the board from press fixture and for setting up a drilling guide hole.
Patent KR-900001906-B1 (KR)
Title: Injection molding machine for molding small object
Inventor: HORIKAWA YOICHI
IPC: B29C45/64
Filed: 1986-06-18
Granted: 1990-03-26
Abstract: An injection molding machine for small-sized thermoplastic articles comprises a support, a mold (7) on the support having first and second molds (5,6) defining a mold cavity (4) between them, an injection unit (1) having an injection cylinder (3) through which molding material is injected into the mold cavity, a hydraulic clamping cylinder (20) on the support operable on the second mold for opening and closing the mold, and a booster (23) connected to both the injection head cylinder (15) and the clamping cylinder for converting pneumatic pressure into high hydraulic pressure to actuate the two cylinders in timed relation to each other.
Patent KR-900000396-B1 (KR)
Title: An apparatus and method of automatic brake control
Inventor: KIM JIN-TAK
IPC: B60T7/00
Filed: 1987-05-07
Granted: 1990-01-25
Abstract: The control system for automatically braking a vehicle includes an ultrasonic radar system (PN), a system controller (10) for producing a digital brake control signal responsive to the signal from the radar system, a D/A converter (20) for converting the digital signal to an analog signal, an amplifier (30) for amplifying the analog signal, and a barke controller (40) for controlling the brakes of the vehicle.  The ultrasonic radar system comprises first and second transmitters (TM1,TM2) radiating the ultrasonic wave, and a receiver (REC) receiving the reflected wave.
Patent KR-950005195-B1 (KR)
Inventor: SATO HISATO
IPC: C07C69/75
Filed: 1987-05-21
Granted: 1995-05-19
Abstract: 내용 없음.
Patent KR-960003507-B1 (KR)
Inventor: SMITH GREGORY M
IPC: A61F2/16
Filed: 1987-07-01
Granted: 1996-03-14
Abstract: 내용 없음.
Patent KR-900007143-B1 (KR)
Title: Optical head unit
Inventor: SHIKIMA SHISKE
IPC: G11B7/09
Filed: 1987-07-16
Granted: 1990-09-29
Abstract: The head device comprises a light source for emitting a principal light beam. A beam splitter separates by diffraction the principal light beam into a number of diffracted sub-beams including a zero- order sub-beam and other sub-beams. A condensor lens converges the sub-beams reflected by the beam splitter on an optical type data storing medium as a number of light spots. A light detector receives the photoelectric conversion of the subbeams which are reflected by a data storing surface of the optical type data storing medium.
Patent KR-900005145-B1 (KR)
Title: Wake-up call service system in pabx
Inventor: CHONG TAE-HYUN
IPC: H04M3/02
Filed: 1987-08-24
Granted: 1990-07-20
Abstract: an exchange switching network (10); a message source part (20) storing a number of language informations; a tone supply part (30) supplying an error comfirmation and tone signal; a DTMF trsnsmitter/receiver (40) receiving and transmitting the double-complex frequency; an E/M exclusive line (60) controlling the input and output of call signals following to the wakeup call and transmitting messages through the speaking path; a microprocessor (50) applying control signals to parts (10:30, 40:60) and controlling the execution of wakeup call functions and record of the wakeup call's results; a console (80) having a printer; and an interface part (90) connected between the parts (50) and (80).
Patent KR-940000767-B1 (KR)
Inventor: MASUKO SHOGO
IPC: G01M17/007
Filed: 1987-09-07
Granted: 1994-01-29
Abstract: 내용 없음.
Patent KR-900007343-B1 (KR)
Title: Resin injection metal mold unit
Inventor: HIGUCHI MASAHIRO
IPC: B29C45/26
Filed: 1987-09-11
Granted: 1990-10-08
Abstract: A mould unit for use in injection moulding synthetic resin comprises: (a) a cavity section releasably held by clamping members on a movable support, (b) a core section relesably held by clamping members on a stationary support, (c) sloping faces on the clamping members cooperating with chamfered faces on the mould sections respectively, and (d) fluid channels in the clamping members which are aligned with temperature controlling fluid channels in the mould sections when the mould sections are clamped in operative positions.
Patent KR-950013964-B1 (KR)
Title: Premix gas burner with flame control
Inventor: FRANCOIS CAGNONG
IPC: F23Q3/00
Filed: 1987-10-29
Granted: 1995-11-18
Abstract: 1. A gas burner for compact immersed tube, comprising a combustible air and gas premixture inlet discharging into a distribution chamber (2) which communicates through a metal flame stabilising grille (5) sensitive to thermal stresses, with a combustion chamber (6) in which the premixture is ignited by a lighting electrode (8) which is mounted through the metal flame stabilizing grille, the said burner being likewise equipped with flame monitoring means (12), the said burner being characterised in that it comprises as a flame monitoring means an ionizing electrode (12) mounted through the metal grille (5) and comprising a suitably insulated tip which extends straight into the combustion chamber (6).
Patent KR-910001664-B1 (KR)
Inventor: SASAO ISAO
IPC: B66B1/28
Filed: 1987-12-30
Granted: 1991-03-18
Abstract: 내용 없음.
Patent KR-940000698-B1 (KR)
Inventor: MAIN W ELIC
IPC: H03F3/45
Filed: 1986-11-21
Granted: 1994-01-27
Abstract: 내용 없음.
Patent KR-900003431-B1 (KR)
Title: Process for strengthening and sealing geological formations
Inventor: MANN MAX
IPC: E21B33/138
Filed: 1987-03-31
Granted: 1990-05-18
Abstract: The present invention is directed to a process for strengthening and sealing geological formations which are moist or contain water, in particular loose stone, by the injection of a mixture which reacts to form polyurethane, characterized in that a polyisocyanate component is injected before injection of the reaction mixture.
Patent KR-950011341-B1 (KR)
Title: Alternate reverse twisting method and apparatus for cable forming
Inventor: KARLERBO RAIMO KARUHU
IPC: H01B13/02
Filed: 1987-12-01
Granted: 1995-09-30
Abstract: PCT No. PCT/FI87/00043 Sec. 371 Date Sep. 27, 1988 Sec. 102(e) Date Sep. 27, 1988 PCT Filed Mar. 30, 1987 PCT Pub. No. WO87/06050 PCT Pub. Date Oct. 8, 1987.An alternate reverse or so-called SZ-twisting method and apparatus and cable product produced by alternate reverse twisting method and/or apparatus. Elements (2 ) which are to be alternately reversely twisted may be wires, leads, optical fibers, their groups and which can also include quads of wires, leads, optical fibers. Elements (2) to be twisted and a possible core element (9) are drawn from a fixed divider (3), preferably a perforated holeplate, through a twister (6), preferably a perforated holeplate, rotating periodically in opposite directions, to a presser (7), preferably a nipple, in which the elements to be twisted and the possible core element are pressed together, to form an alternately reversely twisted product (8). Between the divider (3) and the twister (6) pipe group (4, 5) is provided for defining the feedpaths of the elements (2) to be twisted and the possible core element (9). The pipe group includes both a centrally located central pipe (5) for defining the feedpath of the possible core element and several peripheral pipes (4) for defining the feedpaths of said elements to be twisted, which peripheral pipes circumferentially surround the central pipe and are periodically twistable in opposite directions around and against the central pipe.
Patent KR-920002455-B1 (KR)
Inventor: OSKA MINORU
IPC: F02D41/00
Filed: 1988-03-14
Granted: 1992-03-24
Abstract: 내용 없음.
Patent KR-910005699-B1 (KR)
Inventor: KAWAMURA TADASHI
IPC: F16C11/10
Filed: 1988-03-25
Granted: 1991-08-02
Abstract: 내용 없음.
Patent KR-910002956-B1 (KR)
Inventor: ABE MASAKI
IPC: C25D15/02
Filed: 1988-05-04
Granted: 1991-05-11
Abstract: 내용 없음.
Patent KR-910001079-B1 (KR)
Title: The method and device for parking cars
Inventor: KO IL-YONG
IPC: E04H6/12
Filed: 1988-05-26
Granted: 1991-02-23
Abstract: To park cars efficiently  in  a  parking  space  (1)  with  a gateway, the space is divided into uniform sizes able  to  park  a car and place car carrier (4)  on  every  parking  unit.  The  car carrier (4) has moving  wheels  (42)  on  the  bottom  plate  (41) downwardly and has two connectors (43) at the top  to  accept  the holders attatched to a horizontal transporting device  (6)  moving along guide rails (5). The holders lift the car carrier  up  to  a prescribed height and move it with a car arranged densely. Or cars are arranged  effectively  by  moving  car  carriers  successively utilizing more than one empty partitioned parking units (I)(O).
Patent KR-910007016-B1 (KR)
Inventor: SASAME AKIRA
IPC: H01L23/498
Filed: 1988-07-02
Granted: 1991-09-14
Abstract: 내용 없음.
Patent KR-920002422-B1 (KR)
Inventor: KIMURA DOSIO
IPC: G06K15/22
Filed: 1988-09-29
Granted: 1992-03-23
Abstract: 내용 없음.
Patent KR-910002515-B1 (KR)
Title: Photo bleaching agent composition of partide type
Inventor: CHA SEUNG-HO
IPC: D06L3/12
Filed: 1989-02-17
Granted: 1991-04-23
Abstract: The photo-active bleaching agent compsn. comprises 0.1-5 wt.% of photo active bleaching agent, 0.01-20 wt.% of dispersing agent, 60-99 wt.% of water soluble nuclear  and  0.01-30  wt.%  of  water dispersable coating  agent.  The  photo-  active  bleaching  agent contains sulfonated zinc phthalocyanine ring  cpd.  or  sulfonated aluminium phthalocyanine ring cpd. Pref. the dispersing  agent  is pref. polydimethyl siloxane cpd. having 1000-30000 Mw or polyvinyl pyrrolidone  polymer. The coating agent is  pref.  zeolite,  talc, clay, bemtonite, silica or calcium carbonate.
Patent KR-920005449-B1 (KR)
Inventor: OBARA SHOJI
IPC: H01L21/56
Filed: 1989-03-06
Granted: 1992-07-04
Abstract: 내용 없음.
Patent KR-930009504-B1 (KR)
Title: Assembling device of safty valve seat
Inventor: LEE NAM-JAE
IPC: B23P23/00
Filed: 1989-03-17
Granted: 1993-10-06
Abstract: inserting a spring in a magnetized rod at the assembly of a safety valve;  pressing  the spring by use of a special auto clamp; holding the upper  part  of the magnetized  rod;  thereby  preventing  the  immersion  of  the magnetized rod in the free body in case of changing a valve  seat. In this way, the device enables the convenient assembly preventing immersion of the magnetized rod, reduces man power  working  time, and improves productivity.
Patent KR-0129757-B1 (KR)
Title: Use of perfluoropolyether derivatives in the form of an aqueous emulsion for portecting stony materials from atmospheric agents
Inventor: LENTI DARIA
IPC: C04B41/48
Filed: 1989-04-07
Granted: 1998-04-03
Abstract: There is described a process for protecting marble, stone, tiles, cement and analogous materials, utilized in the building industry, from the action of atmospheric agents and polutants, by applying to the surface of the material a microemulsion of perfluoropolyethers, optionally having at one end or at both ends or in the chain functional groups capable of acting as anchoring agents to the substrate.
Patent KR-960008271-B1 (KR)
Title: Door handle assemblage for power box
Inventor: SHIN MYUNG-SIK
IPC: E05B3/00
Filed: 1989-05-01
Granted: 1996-06-21
Abstract: a lock body (13); a handle shaft (8) rotating together with the lock body; a hook wing assembly (5, 20, 21, 15); a coupling (3) for fixing the hook wing assembly to the handle shaft; a lock bundle (23) for installing a key function in the lock body; a cap ring (1) with a cylinder to rotate the lock body together with the handle shaft; a spring (10) for supporting the lock body by the spring strength; a connector (18); a slide (9); and guide fixing projections (21A, 22A, 23A, 24A).
Patent KR-910006042-B1 (KR)
Title: Method for processing photoresits
Inventor: PARK HAN-SU
IPC: G03F7/26
Filed: 1989-06-13
Granted: 1991-08-12
Abstract: Photolithography of semiconductor apparatus for improving the ease of inspection comprises  the  followign  steps:  soft  baking after conating  a  photoresist  on  Si-wafer;  developing   after exposuring by using  stepper;  hard  baking,  etching  of  surface layer, and removing a  photoresist.  Deep  ultraviolet  exposuring process is used  between  the  developing  process  of  wafer  and measuring process of pattern size. This provides the advantage for reducing the charge effect of scanning electro microscope (SEM).
Patent KR-910004387-B1 (KR)
Inventor: TAKENOUCHI SHINJI
IPC: H05B6/80
Filed: 1989-07-25
Granted: 1991-06-26
Abstract: 내용 없음.
Patent KR-920010240-B1 (KR)
Inventor: OTO HIDEKI
IPC: H04N5/44
Filed: 1989-08-03
Granted: 1992-11-21
Abstract: 내용 없음.
Patent KR-910009224-B1 (KR)
Title: Roaster
Inventor: TANI HIDEKI
IPC: A47J37/06
Filed: 1989-09-11
Granted: 1991-11-05
Abstract: The roaster comprises a roasting  chamber  (2)  having  inner heating element (8) for cooking, door (7)  mounted  at  a  opening hole (6) of body frame (1); a fume-reburning burner  (4)  provided at the fume discharging passage (3) on the  back  of  the  chamber (2); a discharging way (5) bulged to the chamber (2) in  front  of the passage (3) for mounting the burner (4). The structure of  the roaster, prevents the contamination of the chamber (2) and the way (5) from oil contained in the cold fume, and  promotes  the  flame spreading between two burners.
Patent KR-940001651-B1 (KR)
Inventor: NOGI KOJO
IPC: C04B26/06
Filed: 1989-10-04
Granted: 1994-02-28
Abstract: 내용 없음.
Patent KR-920010108-B1 (KR)
Title: Method for controlling error signal changing a system in pcm multiplex equipment
Inventor: KIM JIN-UK
IPC: H04B14/02
Filed: 1989-11-24
Granted: 1992-11-14
Abstract: The circuit is for locking  out  a  PCM  multiplexer  without lock- out switch  when  too  many  requests  for  locking  out  are detected and cancelling it automatically to  reduce  the  rate  of error occurrence and the cost of  manufacturing.  The  circuit  is almost the  same  as  a  conventional  PCM  multiplexer  with  the exception of a watching control (26). The operation of the control (26) includes the following; finding the change-over control mode; detecting the change-over request signal,  and   locking  out  the current system when the value of the change-over  request  counter reaches tothe preset number or else, cancelling the lock-out.
Patent KR-970009655-B1 (KR)
Inventor: YVES DEMARS
IPC: D04H1/4209
Filed: 1989-11-30
Granted: 1997-06-17
Abstract: 내용 없음.
Patent KR-0155987-B1 (KR)
Inventor: JUNICHI SHUYAMA
IPC: G11C11/4099
Filed: 1989-12-13
Granted: 1998-12-01
Abstract: 내용없음.
Patent KR-940005662-B1 (KR)
Inventor: USUI MASAYOSHI
IPC: F01N13/02
Filed: 1989-12-18
Granted: 1994-06-22
Abstract: 내용 없음.
Patent KR-930005349-B1 (KR)
Inventor: HIROZAWA ISAO
IPC: H04Q9/00
Filed: 1990-08-17
Granted: 1993-06-17
Abstract: 내용 없음.
Patent KR-930003112-B1 (KR)
Inventor: YAMAMOTO KOHEI
IPC: A01G9/10
Filed: 1991-01-28
Granted: 1993-04-19
Abstract: 내용 없음.
Patent KR-930005087-B1 (KR)
Inventor: KAKEYAMA HIDEHEI
IPC: B43K21/16
Filed: 1991-02-05
Granted: 1993-06-15
Abstract: 내용 없음.
Patent KR-0181956-B1 (KR)
Inventor: GITZEL JOERG
IPC: C08F226/04
Filed: 1991-09-18
Granted: 1999-05-15
Abstract: 본 발명은 약 5000 내지 약 500,000 의 분자량을 가지며, 예를들면 디알릴디알킬암모늄 클로라이드와 같은 단량체들을 단독 중합시키거나, 약 0.5:0.5 내지 약 0.95:0.05 의 공중합체중의 단량체 몰비를 갖는 디알릴디메틸암모늄 클로라이드 및 디알릴메틸옥틸암모늄클로라이드와 같은 2 개의 단량체 혼합물을 공중합시키고, 이어서, 경우에 따라, 음이온 교환시켜 수득한 붕산 암모늄 중합체 및 이 화합물들의 혼합물에 관한 것이다.  본 발명에 따른 붕산 암모늄 중합체는 전자사진 기록 공정용 토너 및 현상제에서의 무색 전하-조절제 및 표면 코팅용 분말 및 코팅재에서의 전하-개선제로서 적합하다.
Patent KR-940004498-B1 (KR)
Title: Parking method for car audio tape
Inventor: KWAK DONG-CHON
IPC: G11B15/02
Filed: 1991-12-20
Granted: 1994-05-25
Abstract: A certain mode is set by pressing a certain key for some time to park the tape at the set mode. The method comprises the steps of: a) searching if the key for the eject or pause state is input; b) if yes, counting the timer until the key input is completed and setting the state flag; c) checking if the power is turned on; and d) if yes, performing the eject or pause function according to the set flag.