baber/WOPTO huggingface dataset:
Patent JP-2002178915-A (JP)
Title: Long seat for rolling stock
Inventor: KASANO SHINJI
IPC: B61D1/04
Filed: 2000-12-15
Abstract: PROBLEM TO BE SOLVED: To provide a long seat for a rolling stock favorable for improving accuracy and reducing costs without welding. SOLUTION: A seat frame and a back slide frame are separately formed as uniformly-walled members by extruding aluminum material and fixing parts for side plates are mounted respectively on the seat frame and the back slide frame.
Patent JP-2001198644-A (JP)
Title: Tool cassette having elastic die
Inventor: KNOEDLER RICHARD
IPC: B21J13/02
Filed: 2000-12-15
Abstract: PROBLEM TO BE SOLVED: To create possibility that a moving tool member operates with the required holding force in a simple way in a press usable in many ways. SOLUTION: A tool frame 14 having a closing device is arranged in a press 1 for solid body forming. The closing device serves to close a die 17, the die forms a die half part for the forming process progressed in a closed die. The closing device has a drive device and stored in a cassette 14 or along the cassette together with the drive device. The closing device is integrated with a spring device 26, closing force is applied through the closing device (spring, air spring, annular piston having nitrogen accumulator). Closing movement is conducted through ram movement.
Patent JP-2002143032-A (JP)
Title: Portable anus washer 'handy washlet'
Inventor: MATSUMOTO TAKASHI
IPC: A47K7/08
Filed: 2000-11-10
Abstract: PROBLEM TO BE SOLVED: To readily wash the anus, even if a washlet toilet does not exist at a remote location, to make a portable anus washer easy to be put in a small articles container such as a handbag by making the washer light and compact when the washer is carried, to simplify a mechanism to eliminated a failure and to reduce global environmental pollution and anxiety about processing cost for processing a used dry battery. SOLUTION: This synthetic resin anus washer is characterized by comprising a head part with a screw having a water discharge port 4 with a cover of a diameter of about 1 mm at a position forming 90 deg. from the main body, a tank part 2 to be a main body and a cup type cover of the main body.
Patent JP-2001214724-A (JP)
Title: Liquid filter provided with discharging part for residual liquid
Inventor: JAINEK HERBERT
IPC: B01D35/02
Filed: 2000-12-18
Abstract: PROBLEM TO BE SOLVED: To surely make a liquid filter empty even when an assembling condition is restricted. SOLUTION: A connecting part for a detachable discharge device is provided to a discharge part 28 comprising a valve stem 29, and play of the valve stem 29 in the axial direction is restricted in connection with a central axis 33 of casing 10 by a connection of the valve stem 29 to a casing pot 12. A circular outflow opening 27 placed on the central axis 33 is closely shut by the calve stem 29, and the valve stem 29 is movable in the axial direction in the outflow opening 27. A seal member 30 is provided between the valve stem 29 and the outflow opening 27.
Patent JP-2002190349-A (JP)
Title: Terminal cover of cellular phone
Inventor: USUI AKIHIKO
IPC: H04M1/02
Filed: 2000-12-20
Abstract: PROBLEM TO BE SOLVED: To openably and closably couple a terminal cover to a phone body. SOLUTION: The terminal cover 1 is coupled openably to the phone body 4 via a hinge 3.
Patent JP-2002187317-A (JP)
Title: Printing job producing apparatus, printing data producing apparatus, printing system, printing job producing method, printing data producing method, and memory medium
Inventor: OZAWA SHUJI
IPC: B41J5/30
Filed: 2000-12-22
Abstract: PROBLEM TO BE SOLVED: To provide a printing system capable of permitting a user to smoothly obtain a printed matter of a desired page by secured printing without unnecessary waiting time in an environment for executing a secured printing process. SOLUTION: In a printing system capable of executing a secured printing process, secured printing is designated per page unit in the printing job for a printing job produced in a host computer 100 for producing a printing job. Furthermore, in a printing device 120, the printing job designated for secured printing per page unit is outputted without a certification operation by the user for pages other than the designated pages, and after the certification operation, only the designated pages are outputted.
Patent JP-2002194068-A (JP)
Title: Polyester sheet and its molding
Inventor: TOKUMIZU MAKOTO
IPC: C08G63/183
Filed: 2000-12-22
Abstract: PROBLEM TO BE SOLVED: To prepare a polyester sheet excellent in transparency at high temperature and mechanical property. SOLUTION: The polyester sheet is produced from a polyester resin (A) composed of a dicarboxylic acid component having, as a main component, an aromatic dicarboxylic acid unit, and a glycol component having, as a main component, 1,4-butanediol unit. The total of the content of the dicarboxylic component excepting terephthalic acid to the above dicarboxylic acid and the content of the glycol component excepting 1,4-butanediol to the above glycol component is 3-20 mol%, the content of a polyalkylene glycol unit having a number average molecular weight of 500-3,000 to the above glycol component is 0.5-6 mol%, and the specific viscosity [η] measured in an equivalent solvent mixture of phenol/1,1,2,2-tetrachloroetahane at 25 deg.C is 1.0-1.4 dl/g.
Patent JP-2002196527-A (JP)
Title: Electrophotographic developer
Inventor: NAGAO YAYOI
IPC: G03G9/08
Filed: 2000-12-25
Abstract: PROBLEM TO BE SOLVED: To provide an electrophotographic developer which prevents blocking in an environment at high temperature and high humidity, prevents charge-up at low temperature and low humidity and can maintain image density. SOLUTION: The electrophotographic developer contains at least a powdery toner and fine resin particles. The number average particle diameter of the toner particles is 0.5-10 μm, that of the fine resin particles is 0.05-2.0 μm, the maximum peak in the molecular weight distribution of the fine resin particles is present in the range of 2,000-100,000 and a component whose molecular weight is <=1,000 is contained by <=3 wt.%. The coefficient of variation in the number distribution of the fine resin particles is <=35%.
Patent JP-2002153536-A (JP)
Title: Bathtub
Inventor: ODAGIRI MAKOTO
IPC: A61H33/00
Filed: 2000-11-20
Abstract: PROBLEM TO BE SOLVED: To solve the conventional problem of bathing--requiring attendants to lift the person to be nursed. SOLUTION: This bathtub 4 is divided with a water proofing fastener 1 to facilitate the separation and assembling thereof.
Patent JP-2001279869-A (JP)
Title: Roof tile
Inventor: BRACHT MANFRED
IPC: E04D1/04
Filed: 2000-12-26
Abstract: PROBLEM TO BE SOLVED: To provide a stable roof tile having a small thickness of a main body and manufacturable inexpensively and easily (i.e., pantile made of ceramic material), allowing easy handling even if it has a comparatively large size, and ensuring a roof covering having an impermeable property, even if an overlapped part of individual rows of roof tiles is comparatively small. SOLUTION: This roof tile is constituted such that at least one suspension nib protruding for a roof tile support face is formed in a rear part of a plate part and it has a side rabbet joint designed as a water rabbet joint and an upper rabbet joint. The roof tile is cut by a method for interlocking tile extruded and formed from a strand whose outer shape is formed, a rear rib, namely, a reinforcing rib 7 and/or a continuous nib 8 is provided in the plate part 4, and a roof tile support face 3 is extended at a certain distance from a lower face of the plate part. Moreover, the roof tile has a bottom part 9 without rib bent in the direction of a lower face without pressing an additional material, and its bottom fringe part 10 is positioned and smoothed on at least substantially roof tile support face 3.
Patent JP-2002197687-A (JP)
Title: Optical disk device
Inventor: DOI AKIHIKO
IPC: G11B7/09
Filed: 2000-12-26
Abstract: PROBLEM TO BE SOLVED: To provide an optical disk device such that normal tracking control is performed even when a track error signal is distorted due to the defect such as the scratch on the optical disk. SOLUTION: The reflected light of the optical disk is entered onto the light receiving surface of photodetectors 24a-24d. The amplitude of an output sum signal V1 of the photodetectors 24a and 24c is limited to a specified value by a limiter circuit 33a. The amplitude of an output sum signal V1' of the photodetectors 24b and 24d is limited to the above specified value by a limiter circuit 33b. By binarization circuits 34a and 34b, input signals V2 and V2' are respectively binarized by using thresholds of specified rates with respect to the average of maximum amplitudes of these input signals. Phases of output signals V3 and V3' of the binarization circuits 34a and 34b are compared with each other by a phase comparator circuit 35 to provide a signal V4 showing the phase difference, an the track error signal. The tracking control is carried out by using this track error signal.
Patent JP-2002198044-A (JP)
Title: Hydrogen storage alloy system active substance, hydrogen storage alloy electrode and nickel-hydrogen storage battery
Inventor: KANEMOTO MANABU
IPC: H01M4/62
Filed: 2000-12-27
Abstract: PROBLEM TO BE SOLVED: To provide a hydrogen storage alloy system substance which can realize at low cost a nickel - hydrogen storage battery with high capacity, long charge/discharge cycle life, and excellent high-rate discharge characteristics. SOLUTION: Hydrogen storage alloy system active substance contains an AB5 system hydrogen storage alloy and cerium dioxide and the hydrogen storage alloy contains at least 80 weight percent of lanthanum. The active substance, as an example, contains 0.1 to 5 pts.wt. of cerium dioxide to a 100 pts.wt., of hydrogen storage alloy.
Patent JP-2002202817-A (JP)
Title: Sun tracking system
Inventor: KOMATA FUJIRO
IPC: F24S50/20
Filed: 2000-12-28
Abstract: PROBLEM TO BE SOLVED: To provide a sun tracking system which adjusts the angle, etc., according to the position of the sun without directly detecting the sunshine. SOLUTION: A sunshine reception part 2 of this sun tracking system is driven by a driving means 12 in the east-west and south-north elevation-angle directions. A control means 50 controls the operation of the driving means 12 according to time information and date information from a timer means 46. The timer means 46 provides invariably accurate time information and date information by receiving a standard radio-wave signal.
Patent JP-2002204409-A (JP)
Title: Hold mechanism for on-vehicle av device
Inventor: UEHARA TASUKE
IPC: H04N5/64
Filed: 2000-12-28
Abstract: PROBLEM TO BE SOLVED: To provide a hold mechanism for an on-vehicle AV device that can prevent a monitor from going to retreat when being automatically set to a monitor view position from the comfort of one's seat and allow the monitor to completely be contained within a surrounding case in the contained state so as to stably improve the outward appearance. SOLUTION: The on-vehicle AV device that is set to a ceiling part of an automobile and the monitor unit 60 of which has a tilt function is provided with a drive means that has a tilt drive mechanism to tilt the monitor unit 60, a position detection switch 300 that detects whether or not the monitor is set to the contained position, and a control means that controls the drive means on the basis of a signal from the position detection switch 300. When the signal from the position detection switch 300 indicates that the monitor 60 is not set to the contained position, the control means drives the drive means so that the monitor 60 is brought into the contained position.
Patent JP-2002202976-A (JP)
Title: Map retrieval device and map retrieval program
Inventor: SUENAGA KAZUNORI
IPC: G06F17/30
Filed: 2000-12-28
Abstract: PROBLEM TO BE SOLVED: To provide a map retrieval device and map retrieval program capable of easily using map data. SOLUTION: This device is provided with an input means 30 for inputting image data including the position information of a photographing point; a retrieval means 40 for extracting map data including the information of the photographing point on the basis of the position information inputted by the input means; and an output control means 40 for outputting the map showing the photographing point to image output devices 10 and 20 on the basis of the map data extracted by the retrieval means. As the information for extracting the map data of a designation, the image data are used, and the extracted map data are outputted by the image output devices 10 and 20, whereby the map data can be easily used.
Patent JP-2002191043-A (JP)
Title: Information transmitter/receiver with camera lens mounted on eyeglasses
Inventor: KAWASE SHOJI
IPC: G03B19/00
Filed: 2000-12-19
Abstract: PROBLEM TO BE SOLVED: To provide a device by which a visitor can accurately transmits a surrounding state to a remote place and records the state without being troubled by data transmission/reception operations and to provide a communication system. SOLUTION: A CCD camera (2) is imbedded to spectacle frames (1), photographs a surrounding state of a visitor, a transmitter/receiver (5) records/ stores video data, and transfers the video data through the operation from a base transmitter/receiver (6) to allow the visitor to acquire information timely without omission.
Patent JP-2001510104-A (JP)
IPC: B29C49/00
Filed: 1998-07-16
Abstract: In a system for manufacturing containers by blow-molding or drawing/blow molding of previously heated preforms, sterile containers (110) are obtained by wetting (45) the preforms (3) using an appropriated heat-activated sterilizing product by activating the product by heating means (100) which also provide a suitable heating profile to the preforms to prepare them for blowing.
Patent JP-2001516056-A (JP)
IPC: A61B5/145
Filed: 1998-09-11
Abstract: The present invention relates to noninvasive transdermal systems and methods for analyte extraction from a biological fluid within or beneath the skin, such as interstitial fluid, and detection of the analyte. More particularly, the present invention relates to noninvasive transdermal patches comprised of a wet chemistry component and a dry chemistry component. The wet chemistry component is a liquid transfer medium in the form of a gel layer for the extraction and liquid bridge transfer of the analyte of interest from the biological fluid within or beneath the skin to the dry chemistry component. The dry chemistry component is a super sensitive or conditioned membrane carrying a reagent system for interacting with the analyte of interest to generate an indicator molecule, e.g., color change, to confirm detection of the analyte, and methods of use thereof. The indicator molecule may be visually observed by the individual user or observed by an electronic interpretation component, such as a reflectance spectrophotometer for detection. A particular analyte of interest which may be detected accurately, reliably and quantitatively in accordance with the present invention is glucose. The noninvasive transdermal systems of the present invention are low in-cost and suitable for convenient use by non-medical personnel.
Patent JP-2003521796-A (JP)
Title: 金属−燃料カードを用いた金属−空気燃料セル・バッテリ・システム
IPC: H01M4/02
Filed: 1998-10-06
Abstract: (57)【要約】
この出願には、金属−燃料移送サブシステム（１１１）と、金属−燃料放電サブシステム（１１５）と、金属−燃料再充電サブシステム（１１７）とを備えた金属−空気ＦＣＢベースのシステム（１１０）が開示されている。金属−燃料移送サブシステムの機能は、金属−燃料カード又はシートを金属−燃料放電サブシステム又は金属−燃料再充電サブシステムに、選択されたシステムのモードに応じて移送することである。
Patent JP-2001519250-A (JP)
Title: 研磨物品およびその製造方法
IPC: B24D11/00
Filed: 1998-09-23
Abstract: (57)【要約】
研磨材料の埋め込まれた電着金属領域が表面または内部に延出して点在するファブリックを有する研磨ファブリックと、接着剤層と、裏基材と、を有し、研磨ファブリックが接着剤層によって裏基材に接着された研磨物品であって、（ｉ）裏材に接着された研磨ファブリックの表面が粗面化されたものであるおよび／または（ｉｉ）接着剤層がエポキシ−アクリレート熱硬化性接着剤を含むかのいずれかであることを特徴とする研磨物品。
Patent JP-2002501240-A (JP)
IPC: H04H20/00
Filed: 1998-12-23
Abstract: A method and system for providing basic command functionality and expanded command functionality between a plurality of devices in a network. When a first device is coupled to a home audio video network which includes a second device, a generic control module for the first device is generated by the second device. The generic control module is a basic abstraction of the capabilities of the first device. The generic control module enables the first device to respond to a basic set of commands from the second device. The second device then uses the generic control module to obtain descriptive information from the first device. The descriptive information describes the capabilities of the first device. The second device then generates a parameterized control module for the first device by modifying the generic control module based upon the descriptive information. The second device is then able to access the first device via the parameterized control module. The parameterized control module enables the first device to respond to an expanded set of commands from the second device.
Patent JP-2002502130-A (JP)
Title: 半導体レーザチップ
IPC: H01S5/32
Filed: 1999-01-29
Abstract: (57)【要約】
光共振器内にレーザ活性の半導体構造体が配置されている半導体レーザチップに関する。半導体レーザチップの同一の共振器内に直列接続された２つ以上のレーザ活性のｐｎ接合部が収容されており、このｐｎ接合部の順方向は整流されている。２つのレーザ活性のｐｎ接合部の間には各１つのｐｎ接合部が配置されており、このｐｎ接合部の順方向はレーザ活性のｐｎ接合部の順方向とは反対に配向されている。
Patent JP-2002510737-A (JP)
Title: 沈殿炭酸カルシウムとその製法および用途
IPC: D21H17/67
Filed: 1999-04-01
Abstract: (57)【要約】
粗い結晶形態を有する沈殿炭酸カルシウム（ｐｃｃ）生成物を製造する方法であって、（ａ）水性媒体中にカルシウムイオンとして部分的に溶解する水酸化カルシウム粒子の水性媒体懸濁液を調製する工程であって、水性媒体が水酸化カルシウムからカルシウムイオンの水性媒体の溶液への放出を促進する薬剤をも含む工程と、（ｂ）二酸化炭素を水性媒体に添加してその中でカルシウムイオンと反応させて炭酸カルシウム結晶の沈殿物の水性媒体懸濁液を生成する工程と、（ｃ）脱水プロセスによる沈殿物の懸濁液を濃縮する工程と、（ｄ）沈殿物の懸濁液に沈殿物用の分散剤を添加する工程とを含み、工程（ａ）で、水酸化カルシウム粒子の懸濁液の水酸化カルシウム粒子がＢＥＴ窒素吸着法で測定して３３ｍ 2 ／ｇ未満の比表面積を有しており、前記薬剤は水性媒体中の水酸化カルシウムから生成される炭酸カルシウムの乾燥重量に対して約０．０１重量％から約０．２０重量％の量で存在する水溶性有機化合物を含んでおり、工程（ｂ）で、水性媒体の温度が約５℃から約１２℃の範囲にあるときにまず二酸化炭素を水性媒体に添加し、しかも、単位時間当たり、水性媒体の単位容積当たりの沈殿物重量で表現した、二酸化炭素とカルシウムイオンの平均反応速度が約０．４ｇ／ｍｉｎ／Ｌから約２．０ｇ／ｍｉｎ／Ｌの範囲となるような速度で添加する方法。
Patent JP-2002510809-A (JP)
Title: フォトニックバンドギャップ構造を用いたフォトニック信号の周波数変換
IPC: G02F1/35
Filed: 1998-04-02
Abstract: (57)【要約】
フォトニックバンドギャップ（ＰＢＧ）、２分の１／４分の１波長の混合、および周期的構造に基づいた新規なＳＨ発生器について説明する。エネルギー出力および変換効率はどちらとも、比較可能な長さの位相整合されたバルクデバイスよりも、大きさがほぼ３桁大きい。ＧａＡＳ／ＡｌＡｓ半導体の周期的構造についても同様の結果が発見された。これらの結果は、周波数上昇および下降変換レーザ、より高いおよびより低い高調波発生、およびラマンタイプのレーザにおいて、即時型の用途を有し、ストークスまたは反ストークス共鳴が、バンドエッジ近傍で増強または抑制され得る。この基礎となるメカニズムは概して、フィールドを強力に制限し、より長い相互作用時間を可能にし、実効利得長さを増加し、変換効率を改善することを必要とする。しかし、強力なポンプ制限だけででも、有意に改善されたＳＨ発生の結果を得ることができる。
Patent JP-2002513088-A (JP)
Title: 切削工具用の低摩擦コーティング
IPC: B23B27/14
Filed: 1999-04-27
Abstract: (57)【要約】
本発明は切削工具のコーティングとして使用するための組成物に関し、この組成物は（ｉ）ＴｉＮ x 、ＴｉＡｌＮ x 、ＴｉＡｌＹＣｒＮ x 、およびＣｒＮ x から選択された第１材料と、（ｉｉ）ＭｏＳ z およびＷＳ z から選択された第２材料とを含み、ここでｘは０．５ないし１．５であり、ｚは０．８ないし２．２であり、ＴｉまたはＣｒに対するＭｏまたはＷの原子比（ｙ）は０．１ないし０．８である。
Patent JP-2003524702-A (JP)
IPC: C23C2/00
Filed: 1999-01-22
Abstract: The present invention relates to a system and a method for using the system to provide a dross-free zinc bath for hot-dip galvanizing of steel strip or wire. The system includes the operation and apparatus for carrying out the operation of directing a zinc solution directly against both sides of a steel strip, along at least 50% of the processing length of the strip.
Patent JP-2002519421-A (JP)
Title: パロキセチンの塩
IPC: C07D405/12
Filed: 1999-06-30
Abstract: (57)【要約】
ピペリジン化合物、それらの製造方法、それらを含む医薬組成物および治療におけるそれらの使用を開示する。
Patent JP-2002520465-A (JP)
IPC: C08J9/28
Filed: 1999-07-16
Abstract: Disclosed are microporous, open-celled polymeric foams formed by polymerizing a high internal phase water-in-oil emulsion comprising a continuous oil phase and discontinuous water phase where the foam has a Limiting Oxygen Index (LOI) value of at least about 18% Such foams are commonly known in the art as "HIPEs". The foams have a variety of flame retardant applications, including use in insulation.
Patent JP-2002521575-A (JP)
Title: 導電パターンの電解メッキシステムとその電解メッキ方法
IPC: H01L23/58
Filed: 1999-07-14
Abstract: (57)【要約】
本発明は、少なくとも高度に均一性をもたらし、寄生メッキ効果を避けることのできる導電パターンをメッキする方法とシステムとを提供している。基板の第１表面に形成されている導電パターンをメッキするメッキシステムが開示されている。このシステムでは、メッキすべきでない表面に晒すのを阻止している。システムの第１電極はメッキ溶液に浸漬する一方、第２電極は基板の前記第１表面以外のものと接触している。メッキすべき導電パターンは第２電極と一時的に電気接続される。なる基板。
Patent JP-2002522758-A (JP)
IPC: G01F15/16
Filed: 1999-07-26
Abstract: Permanently or detachably mounted on a container (1) is a dosing and metering device that contains a pressure bellows (3), through which a valve-plate holder (8) passes. The valve-plate holder (8) essentially has the shape of a hollow cylinder and exhibits gaps or lateral openings (18), to enable communicating contact between pressure bellows (3) and container (1). The valve-plate holder (8) is arranged in a transition zone between pressure bellows (3) and container (1), in a fixed position relative to the container or container neck. The valve plate (7) attached to the end of the valve-plate holder (8) forms a valve seat (4) together with the constriction (31) between pressure bellows (3) and the metering chamber (5) that follows it. Axial pressure upon the metering chamber (5) allows the metering chamber to be entirely or partly filled or drained back into the container, as desired, in which case the contents of the metering chamber can be poured out when the cap is removed.
Patent JP-2002523888-A (JP)
IPC: H05B41/298
Filed: 1999-04-01
Abstract: The invention relates to a circuit arrangement for operating at least one discharge lamp, the circuit arrangement having a half-bridge inverter (Q10, Q11) with a downstream load circuit (L1, C10, LP1, C11), at least one coupling capacitor (C11) which is connected to the load circuit (L1, C10, LP1, C11) and to the half-bridge inverter (Q10, Q11), and a drive device (A1) of the half-bridge inverter (Q10, Q11). According to the invention, the circuit arrangement has a reference voltage source (R13, R14) and a detector circuit (DE1) which detector circuit compares the voltage drop across the at least one coupling capacitor (C11) or the voltage drop, divided downwards by a voltage divider, across the at least one coupling capacitor (C11) with the reference voltage of the reference voltage source (R13, R14), and generates an output signal for driving the half-bridge inverter (Q10, Q11).
Patent JP-2002523510-A (JP)
IPC: B41M5/165
Filed: 1999-08-10
Abstract: A process for the manufacture of mixtures of fluoran compounds by the reaction of keto acids of formula (II) with a compound of formula (III) in the presence of a dehydrating condensation agent, wherein R1 and R2 independently represent hydrogen; an alkyl of 1-18 carbon, a secondary alkyl with respect to the carbon atom bonded to the nitrogen atom of 3-13 carbon atoms, a cycloalkyl of 4-8 carbon atoms or a phenyl, both of which may be substituted by at least one substituted selected from the group consisting of halogen atoms and alkyls having 1-4 carbon atoms, an aralkyl of 7-10 carbon atoms; or R1 and R2, together with the adjacent nitrogen atom from a heterocyclic ring; R3 is hydrogen, an alkyl of 1-4 carbon atoms, an alkoxy of 1-4 carbon atoms, a phenyl; a substituted phenyl or a halogen; R4 is an alkyl group of 1-18 carbon atoms, a carboxyalkyl of 1-18 carbon atoms, a carboxycycloalkyl of 4-8 carbon atoms, an alkylamino of 1-18 carbon atoms, a cycloalkylamino of 4-8 carbon atoms, a dialkylamino or dicycloalkylamino; an arylamino, a substituted arylamino; an aralkylamino of 7-10 carbon atoms; a diaralkylamino; R5 is an alkyl of 1-18 carbon atoms, a carboxy alkyl of 1-18 carbon atoms or a halogen and R6 is hydrogen or alkyl of 1-4 carbon atoms.