baber/WOPTO huggingface dataset:
Patent KR-900008696-B1 (KR)
Inventor: LUIGI BERNARDI
IPC: C07D457/12
Filed: 1984-04-27
Granted: 1990-11-27
Abstract: 내용 없음.
Patent KR-860000680-B1 (KR)
Title: Bus arranging circuit for multi-processor system
Inventor: LEE JIN-YONG
IPC: G06F13/00
Filed: 1984-05-18
Granted: 1986-05-29
Abstract: A bus arrangement circuit for a multi-processing system in robots uses a memory bank in common with multi-processors having different bit units (8 bit and 16 bit system). The data is sequentially stored or drawn by an interface circuit. The 16 bit CPU(1b) is connected to the common RAM(#1a) through the buffer(BUF1) and demultiplexer(DEMUX) and the 8 bit CPUs (#2a,#3a) are connected to the multiplexer bus(MUX-BUS). An interface circuit(11) comprised of flip-flop circuits(FF1-2), inverters(D1-3, NAND gates (N1-5), AND gate(A1), and buffers(BUF2-3) controls the mutual data communication between different processors.
Patent KR-840001106-B1 (KR)
Title: Method for the preparation of pyridine derivatives
Inventor: DEMARNE HENRI
IPC: C07D401/06
Filed: 1984-06-22
Granted: 1984-08-06
Abstract: R2,R3=C1-6 alcyclic, R2,R3=forming 5-7 membered hetero cycle contg. N; n=2-4) having antiasrrhythmic activity, were prepd. in 3 steps. a)acetonitrile pyridyl II was alkylated by X-(CH2)n-N(R2)R3. b) The resulting product of a was alkylated again with R1XR1=unsate. alkyl). c)The nitrile group of the resulting product of b was hydrolysed to corresponding amide to give I.
Patent KR-920002557-B1 (KR)
Inventor: TERAO MOTOYAS
IPC: G11B7/0055
Filed: 1984-07-31
Granted: 1992-03-27
Abstract: 내용 없음.
Patent KR-890001904-B1 (KR)
Title: Automatic focusing device for a video camera
Inventor: HIRAO YOSHIAKI
IPC: H04N5/232
Filed: 1984-10-18
Granted: 1989-05-30
Abstract: An IR-LED projects a distance measuring ray.  A lens converges reflected light from the object.  A light spot detector at the lens' focus outputs two photo-currents at a predetermined ratio corresp. to an image-formation spot of reflected light.  A computing device derives the sum of and the difference between the two photo-current outputs.  A lens encorder movement of a focusing lens for focusing the photographing lens and produces an electric signal.  A comparator notes the difference between the two photocurrent outputs and the lens encoder output.  A voltage comparator compares the sum of the two photo-current outputs with a predetermined value.
Patent KR-870000130-B1 (KR)
Title: Yarn winding drum driving apparatus for yarn winder
Inventor: CHOE JAE-YONG
IPC: B65H54/28
Filed: 1984-11-29
Granted: 1987-02-12
Abstract: The edge of the yarn winding drum shaf, which has many yarn winding drums, is connected with a key(9), which is fixed on a driving shaft(5). A circular cam(20), which has a circular cam groove, is established to rotate with the drum shaft(7). A supporting piece(22), which is fixed on the yarn winder frame(1), supports a moving bar(23) . The bar has a cam roller(24) to rotate with the circular cam (23) and another roller on the other side, which is assembled with the hollowed portion (26) of the bearing housing(26) of the drum shaft. The winding drums rotate and reciprocate with constant frequency and this create uniform density of yarn winding.
Patent KR-860002003-B1 (KR)
Title: Controlling device of brightness at camera
Inventor: KIM SONG-KON
IPC: G03B7/08
Filed: 1984-12-21
Granted: 1986-11-12
Abstract: An automatic brightness control circuit for the date lamp for a camera comprises a lamp control circuit(1), a photo sensing circuit(2), and a lamp starting circuit(3). According to the light intensity emitted from the object, the impedance of a photosensor (Cds2) and the output of tr. (Tr6) for controlling the brightness of a lamp(L) is adjusted so that the date is printed with the proper brightness on the film.
Patent KR-860002145-B1 (KR)
Title: Picture cell array declining circuit of crt monitor
Inventor: SONG U-GIL
IPC: G06F3/153
Filed: 1984-12-28
Granted: 1986-12-11
Abstract: A picture element crossing circuit for a bit-mapped CRT displaying the curve of character of picture smoothly increases the effective number of picture elements two times by displaying the next picture element or the under-left or under-right side which distance is 1/2. This comprises a video RAM(1) storing the picture element information, a screen controller(2) generating horizontal(HS) and vertical(VS) synchronizing signals, a latch circuit(3), a buffer(7), and a multiplexer(4) controlling the latch circuit with selected clock signal(0) and delayed clock signal(0-1/2td).
Patent KR-870000446-B1 (KR)
Title: Opening and closing mechanism for printing head in printer
Inventor: YOKODA YUZI
IPC: B41J25/312
Filed: 1984-12-28
Granted: 1987-03-11
Abstract: A platen roller(1) and a character head(2) are assembled in a contrast state. The head, which is established ratably with the shaft(4) of a supporting portion(3), contacts with the roller in a set position. A set spring(5) and a protect piece(11), which is composed of a rink(11a), are assembled with the head and an opening and closing device(6). One end of the spring is attached on the supporting portion(3a) of the head shaft(4) and the other end is attached on the rotating support aparatus (8). An opening and closing lever(10) is attached on the apparatus(8) and the extruded piece(10a) is assembled with the fixed supporting apparatus(9). This assembly protects the collision of the character head with the platen roller(11).
Patent KR-900005551-B1 (KR)
Title: Outline form method of structure
Inventor: GORSKI WERNER
IPC: G05B19/4069
Filed: 1985-01-16
Granted: 1990-07-31
Abstract: Structural shape data are provided for a computer model of a workpiece which has to be formed. The controur of the workpiece (1) and of the section of the tool, are fitted into a raster scheme, suitable for the movement of the tool. The points of a two dimensional graph, stored in a memory, are used to study the progress of the shape produced by the tool in the X and Y directions and also in the Z direction as time passes. At each point of the corresp. raster or scanning field the height of a point on the piece above a datum is combined with the programmed depth of the tool and the changing shape produced in model form can be shown on a screen.
Patent KR-910005779-B1 (KR)
Inventor: AOKI HIROYUKI
IPC: G06K15/16
Filed: 1985-06-13
Granted: 1991-08-03
Abstract: 내용 없음.
Patent KR-930006336-B1 (KR)
Inventor: HODGE JAMES D
IPC: C04B35/18
Filed: 1985-07-29
Granted: 1993-07-14
Abstract: 내용 없음.
Patent KR-940006112-B1 (KR)
Inventor: SFRAUL WILLIAM D
IPC: C10N30/16
Filed: 1986-03-29
Granted: 1994-07-06
Abstract: 내용 없음.
Patent KR-900000647-B1 (KR)
Title: Valve socket for accele hose
Inventor: KWON HYUK-JO
IPC: B21K1/16
Filed: 1986-04-30
Granted: 1990-02-02
Abstract: A method of mfg. a socket union (4) includes the steps of: a) cutting a steel bar into a predetermined legnth; b) heating the cut bar (1) at the temp. of 500-600 C; c) pressing it with the moulds (2) to produce a semi-manufacture (3); d) and then machining the semi- manufacture.
Patent KR-900001449-B1 (KR)
Title: Multiplexed real-time pyramid signal processing system
Inventor: BESSLER ROGER F
IPC: H04N7/54
Filed: 1986-08-23
Granted: 1990-03-10
Abstract: By employing a time-synchronised multiplexed analyser stage to derive (or a time-synchronised multiplexed synthesiser stage that is responsive to) a signal serial stream of samples of a predetermined number of sub-spectra that are arranged in a predetermined temporal order format with respect to one another in accordance with each of a given set of time synchronised, repetitively generated, serially applied control signals.  The amount of hardware for implementing a Burt Pyramid or an FSD(filter-subtract -decimate) pyramid analyser (or synthesiser) stage of a sampled temporal signal representing an n-dimensional information component (such as a video signal) is reduced.
Patent KR-940004127-B1 (KR)
Inventor: KATO YASUYUKI
IPC: C08F20/10
Filed: 1986-11-06
Granted: 1994-05-13
Abstract: 내용 없음.
Patent KR-930007137-B1 (KR)
Inventor: VALLOMY JOHN A
IPC: F27D17/00
Filed: 1985-07-30
Granted: 1993-07-30
Abstract: 내용 없음.
Patent KR-950003593-B1 (KR)
Inventor: SEIZ FREDERICK G
IPC: B65G1/08
Filed: 1986-02-19
Granted: 1995-04-14
Abstract: 내용없음
Patent KR-900004603-B1 (KR)
Title: Axial piston pump
Inventor: MAUCH DAVID L
IPC: F04B1/2071
Filed: 1987-01-21
Granted: 1990-06-30
Abstract: A pistom barrel is rotatable in the bore and spaced from the bore walls and an antifriction bearing structure surrounding the barrel between the barrel and the bore. A series of axial pistons are provided in the barrel which are open at one end and have fluid passages through the barrel at the other end. A piston is provided in each piston bore which extends out of the open end. A spring is provided between each piston and the other end of the piston bore. A fixed ramp swash plate is provided in the housing bore beneath the extending pistons and an antifriction thrust bearing is provided between the swash plate and pistons. An axial drive shaft is provided on the barrel which extends through an antifriction bearing in an opening in the housing opposite the bore for drivingly engaging on external drive structure.
Patent KR-930002478-B1 (KR)
Inventor: HIROSE ETSURO
IPC: H04N1/00
Filed: 1987-02-10
Granted: 1993-04-02
Abstract: 내용 없음.
Patent KR-950002510-B1 (KR)
Inventor: PRIMLEY CHARLES H
IPC: F16B7/12
Filed: 1987-02-26
Granted: 1995-03-21
Abstract: 내용 없음.
Patent KR-960002173-B1 (KR)
Inventor: ROSA HI
IPC: A61K8/00
Filed: 1987-03-03
Granted: 1996-02-13
Abstract: 내용 없음.
Patent KR-960000124-B1 (KR)
Title: Video cassette auto-changer
Inventor: NONAKA WATARU
IPC: G11B15/68
Filed: 1987-04-11
Granted: 1996-01-03
Abstract: In, for example, a video cassette auto-changer which includes a plurality of reproducing and/or recording devices (4), and a plurality of cassette storage bins (2) arrayed in horizontal and vertical directions and each able to store a cassette (3) therein; a cassette transporting apparatus (6, etc.) for selectively transporting cassettes (3) between the storage bins (2) and the devices (4) comprises fixed horizontal upper and lower guide rails (12, 39) along which upper and lower sliders (13, 40) are movable, a movable guide rail (5) extending vertically between the sliders (13, 40) and pivotally connected thereto at ends of the movable guide rail (5), a carriage (6) movable vertically along the movable guide rail (5), a horizontal drive (71) connected with the sliders (13, 40) for moving the carriage (6) in the direction along the fixed guide rails (12, 39) and a vertical drive (23) for moving the carriage (6) along the movable guide rail (5). Elongated, flexible electrical connecting members (92, 112) are provided for applying electrical control signals to horizontally and vertically movable components of the cassette transporting apparatus (6, etc.) and are associated with slack take-up devices (97, 100, 115) so that the electrical connecting members (92, 112) can accommodate and will not interfere with substantially vertical and horizontal movements of the carriage (6). <IMAGE>
Patent KR-890005256-B1 (KR)
Inventor: SIN JAE-IK
IPC: A23L27/10
Filed: 1987-06-19
Granted: 1989-12-20
Abstract: 내용 없음.
Patent KR-970007323-B1 (KR)
Title: Thermotropic aromatic copolyester
Inventor: MACDONALD WILLIAM ALASDAIR
IPC: C08G63/60
Filed: 1988-01-16
Granted: 1997-05-07
Abstract: Melt processable, aromatic copolyesters containing 15 to 40 mole % of 4-oxybenzoyl moieties from 0.25 to less than 2.5 mole % of randomising moieties, which are preferably 2-6 oxy naphthoyl moieties, the balance of moieties being equimolar proportions of moieties derived from hydroquinone and isophthalic acid. The preferred polymers are made by a dispersion polymerisation process using as a dispersion aid a finely divided particulate material having at least 95% by weight of particles with at least one dimension less than 1 micron.
Patent KR-930000743-B1 (KR)
Title: Process for the production of profiles of a thermoplastic resin reinforced with continual fibers device for obtaining them
Inventor: GLEMET MICHEL
IPC: B29C48/07
Filed: 1988-04-09
Granted: 1993-01-30
Abstract: The invention is a process for the manufacture of sections of thermoplastic resin reinforced with continuous fibers and the equipment for carrying out the process. The process consists of coating rovings, having their fibers previously arranged in the form of a sheet, in a coating zone fed with a molten thermoplastic, then, to ensure impregnation of each of the fibers of the rovings, the coated rovings are passed into a forced impregnation zone prior to passing into the channel for shaping the final product.
Patent KR-0132582-B1 (KR)
Inventor: SATO MASAEI
IPC: H02K5/14
Filed: 1988-05-27
Granted: 1998-04-20
Abstract: 내용없음.
Patent KR-910001871-B1 (KR)
Inventor: IMAMURA HIROSI
IPC: H01J61/94
Filed: 1988-07-09
Granted: 1991-03-28
Abstract: 내용 없음.
Patent KR-910005400-B1 (KR)
Title: Manufacturing method of self align gaas fet using multi layer photo resistor
Inventor: SHIM GYU-HWAN
IPC: H01L29/812
Filed: 1988-09-05
Granted: 1991-07-29
Abstract: The melthod comprises the steps  of  applying  a  multi-layer photoresist on a GaAs wafer (101), reduction-transferring a  shape of the upper layer of photoresist (109) to the intermediate  layer of photoresist  (107)  and  depositing  an   oxide   film   (108) transferring a shape of gate to the  lower  layer  of  photoresist (105), lateral-etching the  photoresist  (105)  and  depositing  a tungsten silicide film (113); and forming a T type gate  (114),  a Si ion implant layer (115), an oxide film  (117)  and  a  metallic wire (118).
Patent KR-920003525-B1 (KR)
Inventor: NADLAND KARL J
IPC: A61P1/00
Filed: 1988-09-28
Granted: 1992-05-02
Abstract: 내용 없음.
Patent KR-910007793-B1 (KR)
Title: Cathode of crt and the method of making the same
Inventor: SON SOK-BONG
IPC: H01J1/22
Filed: 1988-11-02
Granted: 1991-10-02
Abstract: The cathode is for improving the thermal effect of the heater by minimising the heat loss at  the  lower  part  of  the  cathode sleeve  and  reducing  the scattering of the cathode temp. and the electron emission quantity   by   removing  the  gap  between  the cathode sleeve and the cathode structure. The cathode sleeve  (3), which upper part is open and  lower  part  is  close,  includes  a pairof  holes (3a) which diameter are slightly  greater  than  the one of a heater(5). The upper side of the sleeve is  welded  to  a cathode plate (1) by the  diffusion  or  laser welding method. The lower part is welded to a cathode holder (4).
Patent KR-910010038-B1 (KR)
Title: Signboard
Inventor: KIM KWANG-WON
IPC: G09F13/00
Filed: 1988-11-24
Granted: 1991-12-10
Abstract: the upper-(1),  the  middle-(2)  and the low clear plate (3) having a character (5) and  a  figure  (6) illustrated on the surface, is inserted in a supporting frame (8); the front and rear colored  plate  (4)  and  the  left  and  right colored plate (4') mounted  to  the  sides  of  the  clear  plates (1)(2)(3), is divided into many colors; a  lighting  bulb  (7)  is mounted to a partition (9). The partition (9) is  formed  so  many colors of the colored plates (4)(4').
Patent KR-910007331-B1 (KR)
Inventor: NAKAYAMA HIROSHI
IPC: B60K17/16
Filed: 1988-12-12
Granted: 1991-09-25
Abstract: 내용 없음.
Patent KR-940011919-B1 (KR)
Title: Self-centering drill bit with pilot tip
Inventor: CHACONAS PETER C
IPC: B23B51/02
Filed: 1987-08-06
Granted: 1994-12-27
Abstract: A self-centering twist drill bit 20 is formed with a "fishtail" cutting section 32 having major cutting lips 72 and 74 on a working end 26 thereof at a point angle of 190 DEG . Tip relief surfaces 76 and 78 trail cutting lips 72 and 74. A pilot tip 38 on the working end 26 extends axially from the "fishtail" cutting section 32 and is formed with a split point having leading cutting edges 40 and 42 and minor cutting lips 46 and 48. Outer surfaces 58 and 60 of pilot tip 38 are each formed with a radial relief and a back taper and joins with cutting section 32 along fillets 92 and 100 which are also radially relieved.
Patent KR-960005080-B1 (KR)
Inventor: HENTON DAVID E
IPC: C08F285/00
Filed: 1988-01-15
Granted: 1996-04-20
Abstract: 내용 없음.
Patent KR-930009006-B1 (KR)
Title: Signal transmission device of elevator
Inventor: KANG HYO-DONG
IPC: B66B3/00
Filed: 1989-01-31
Granted: 1993-09-18
Abstract: A signal transmission  apparatus  for  an  elevator  includes signal transmission systems each of which has a CPU, an  interrupt controller, a bus  transceiver  for  converting  the  lower  8-bit address signal of the CPU to data  signal,  a  first  decoder  for combining the upper 8-bit address signal  of  the  CPU,  a  second decoder for combining the  control  port  signal  of  the  CPU,  a counter for dividing the clock of  the  CPU  and  applying  it  as transmission and  reception  signals,  and  a  data  communication interface controlled by the control signal of the  second  decoder for performing transmission  and  reception  of  data  with  8-bit serial data signal, thereby  simplifying  the  installation  of  a signal  transmission  line  and  reducing  the  installation  cost without false or poor wiring.
Patent KR-920000443-B1 (KR)
Title: Process for the preparation of cyclohexanol and/or cyclohexan- one
Inventor: GEEM PAUL C
IPC: C07C29/04
Filed: 1989-04-19
Granted: 1992-01-14
Abstract: The invention relates to a process for preparing cyclohexanol and/or cyclohexanone, in which cyclohexene in a feed stream containing cyclohexene, cyclohexane and benzene is hydrated into cyclohexanol and/or oxidized into cyclohexanone, the cyclohexanol and/or cyclohexanone formed is separated from the reaction mixture thus obtained and the remaining cyclohexane and benzene are recycled to a preconnected cyclohexene preparation section, part of the stream that is recycled to the cyclohexene preparation section being subjected to a dehydrogenation reaction and the remaining part to a hydrogenation reaction, and the reaction streams thus obtained being combined to form the feed stream to the hydration and/or oxidation step.
Patent KR-940011430-B1 (KR)
Inventor: BUDEN JEAN
IPC: G21C21/18
Filed: 1989-07-28
Granted: 1994-12-15
Abstract: 내용 없음.
Patent KR-0151133-B1 (KR)
Inventor: IGARHSHI TOSHIO
IPC: C08K5/12
Filed: 1989-08-02
Granted: 1998-10-15
Abstract: 내용 없음
Patent KR-0144725-B1 (KR)
Inventor: AKAMAZU MASUO
IPC: G01F1/68
Filed: 1989-10-30
Granted: 1998-07-15
Abstract: 내용없음
Patent KR-950013834-B1 (KR)
Title: Record imformation inserting method in recording program
Inventor: SO SANG-UK
IPC: G11B27/029
Filed: 1989-12-30
Granted: 1995-11-16
Abstract: The record information inserting method when recording program comprises the steps of: determining if it reaches a reservation record time; performing a reservation record if it reaches a reservation record time; inserting the information related with the reservation record to a record tape; and stopping the inserting record operation after lapse of a predetermined time.
Patent KR-920005209-B1 (KR)
Title: Disc holding device of disc player
Inventor: PARK BYONG-YOP
IPC: G11B17/02
Filed: 1989-12-30
Granted: 1992-06-29
Abstract: The apparatus has a pick-up  unit  and  a  turn-table  moving vertically to perform chucking of two discs and playing the  discs continously. The  apparatus  comprises  elevating  means  (A)  for moving turn-table (4) and a pick-up unit (5) up  and  down;  power transmitting means (B) having a plurality of  gears  engaged  with rotary gears (9)(9') of shafts (6)(6') in the means (A);  carriage means (C) for transferring first and  second  trays  (19)(20)  for loading first and second discs (2)(3).
Patent KR-970000046-B1 (KR)
Inventor: HUBER JOEL E
IPC: C07J5/00
Filed: 1988-07-22
Granted: 1997-01-04
Abstract: 내용 없음.
Patent KR-920008934-B1 (KR)
Title: Manufacturing method of magnetic medium
Inventor: LEE DONG-CHOL
IPC: G11B5/72
Filed: 1990-04-11
Granted: 1992-10-12
Abstract: A magnetic recording medium is produced by (A) electrifying a base film (1) with positive charge  and  electrifying  a  magnetic pigment with negative charge, (b) forming a magnetic coating  film (2) on (1) with the magnetic pigments by generating  high  voltage on the above (1), (C) electrifying (1) with  positive  charge  and electrifying a epoxy baed pigment, which  is  a  protective  layer (5), with negative charge, (D) forming the epoxy based  protective layer on the magnetic coatings (2) by generating high  voltage  on the above (1). The above magnetic coatings  comprises  magnets,  a dispersing agent, an adhesive agent and an antistatic agent.
Patent KR-940001999-B1 (KR)
Inventor: MIYAKE TAKAHIRO
IPC: G11B7/09
Filed: 1990-06-04
Granted: 1994-03-12
Abstract: 내용 없음.
Patent KR-940002979-B1 (KR)
Title: Process for the preparation of iminodiacetonitrile and imino-acetic acid
Inventor: KOENIG KARL E
IPC: C07C253/32
Filed: 1990-08-13
Granted: 1994-04-09
Abstract: An improved process is provided for producing iminodiacetonitrile by contacting ammonia, formaldehyde and hydrogen cyanide, or hexamethylenetetramine, formaldehyde and hydrogen cyanide in a reaction medium, the improvement which comprises the further steps of thereafter adjusting the pH of the reaction medium to a pH between about 5.5 and about pH 10 and heating the reaction medium to an elevated temperature for a sufficient time to convert by-products in the reaction medium to iminodiacetonitrile.
Patent KR-0182263-B1 (KR)
Inventor: KAJI KAMASHI
IPC: C08G59/00
Filed: 1990-08-31
Granted: 1999-05-15
Abstract: 내용 없음.
Patent KR-0170386-B1 (KR)
Inventor: KAL LEBAN
IPC: C22C38/22
Filed: 1990-10-23
Granted: 1999-02-18
Abstract: 본 발명은 동시에 여러 형태의 하중을 받는 부품 및 기기의 제조에 사용되는 높은 압축강도를 가진 냉간가공강에 관한 것이다. 
     본 발명에 따른 강은 0.6 내지 1.5 wt% C, 0.2 내지 1.6 wt% Si, 0.2 내지 1.2 wt% Mn, 5.0 내지 10.0 wt% Cr, 3.0 wt% 이하 Mo, 6.0 wt% 이하 W, 1.0 내지 3.0 wt% Mo + 2W, 0.3 내지 1.5 wt% V, 0.2 내지 1.6 wt% Al, 0.5 wt% 이하 Nb, 0.1 wt% 이하 N 나머지는 철 및 제조로 인한 불순물을 성분비를 가지며, 특히 고온에서 제조되는 마멸층을 가지는 부품 및 기기의 제조에 사용된다.
Patent KR-930001931-B1 (KR)
Title: Power circuit
Inventor: JU KI-YONG
IPC: H02H3/00
Filed: 1990-11-30
Granted: 1993-03-20
Abstract: The method rehabilitates electrical apparatus controlled by a power line carrier method to  the  state  before  a  power-failure utilizing ordinary relayes and a RAM. The method comprises  steps: (A)  initializing  apparatus  controller  when  power  supply   is nesumed; (B) checking that a data region  of  a  RAM  for  storing states of apparatus is cleared; (C) repeating  the  step  (B)  for next data region; (D) turning on the apparatus which state data is checked not to be cleared; and (E) repeating the step (D)  when  a corresponding apparatus is not completely controlled and otherwise turning on a control completion LED of the corresponding apparatus and repeating the step (C).
Patent KR-0182290-B1 (KR)
Inventor: HERTER WILFRIED
IPC: C09B44/00
Filed: 1990-12-04
Granted: 1999-04-01
Abstract: 본 발명에 따른 화학식 1의 염료는 폴리아크릴니트릴 물질을 청색 색조로 염색하기에 매우 적합하다. 
     [화학식 1] 
     
       
     
     상기식에서, R 1 은 C 1 -C 4 알콕시 또는 염소이고, R 2 은 C 1 -C 4 알킬이고, R 3 은 C 1 -C 4 알킬이고, R 4 은 C 1 -C 2 알킬이며, 단 R 3 및 R 4 둘다 동시에 에틸은 아니고, R 5 는 하이드록시에틸 또는 하이드록시프로필이고, An - 는 음이온이다.