baber/WOPTO huggingface dataset:
Patent JP-2002528181-A (JP)
Title: アクセス流を測定するための方法及び装置
IPC: A61M1/16
Filed: 1999-10-22
Abstract: (57)【要約】
動脈針が血液をアクセスから透析装置を含む体外循環路へ除去し、静脈針が血液をアクセス部位へ戻す。血液は透析装置の半透膜の１つの側に沿って通過し、透析流体は他の側に沿って通過する。透析装置から放出された透析液中の尿素の濃度（Ｃｄ norm 及びＣｄ rev ）が、通常位置及び反転位置の針によって測定される。動脈針の前のアクセス流量は次の公式Ｃｄ norm ／Ｃｄ rev ＝１＋Ｋｅｆｆ／Ｑａによって計算され、Ｋｅｆｆは透析装置の有効浄化値であり、Ｑａはアクセス流量である。
Patent JP-2002528246-A (JP)
IPC: B01D53/28
Filed: 1999-10-26
Abstract: The invention relates to a method for separating a fluid mixture consisting of at least two components. The inventive method comprises the following steps: contacting the fluid mixture at a first, lower temperature in a first operating zone with a carbon membrane which is arranged adjacent to a surface of a porous transport matrix or which is applied on a surface of the matrix, whereby at least one fluid component is adsorbed and at least one component of the fluid mixture preferably permeates the membrane; heating a surface spatially distant from the membrane and/or a part of the porous transport matrix to a second, higher temperature which facilitates the thermal desorption of adsorbed components in a second operating zone; separately removing the fluid mixture depleted by the at least one permeated component from the first operating zone and the fluid mixture enriched with the at least one permeated component from the second operating zone. The invention also relates to a device for carrying out the inventive method.
Patent JP-2002528494-A (JP)
IPC: A61K47/16
Filed: 1999-09-22
Abstract: Disclosed are compositions comprising paclitaxel; and a pharmaceutically-acceptable, water-miscible, non-aqueous solvent, together with kits comprising the composition and methods of using the composition.
Patent JP-2002528517-A (JP)
Title: ワクチン成分
IPC: C07K7/06
Filed: 1999-10-27
Abstract: (57)【要約】
血清群Ｂの髄膜炎菌に対するワクチン成分であって、血清群Ｂの髄膜炎菌表面のリポオリゴサッカライドのミモトープを含有するワクチン成分である。
Patent JP-2002530623-A (JP)
Title: 放熱器関連の供給空気装置
IPC: F24D19/06
Filed: 1999-11-18
Abstract: (57)【要約】
供給空気濾過器の少なくとも片側が放熱器の下部表面により取囲まれて封止される供給空気装置。空気濾過器を備えた供給空気キャビネットが放熱器の高さと無関係になることである。そのため供給空気装置は供給空気流路系（４、６、１０、６′）に接続され、供給空気を放熱器（１、１′）経由で部屋に案内する目的を有し、前記放熱器（１、１′）の下方に伸びるキャビネット構造部材と供給空気濾過器（３）からなり、前記供給空気濾過器（３）の少なくとも片側が前記放熱器（１、１′）の表面によりその下部で取囲まれて封止されることを特徴とする。
Patent JP-2002535671-A (JP)
Title: テストガス漏洩検出機
IPC: G01M3/20
Filed: 1999-11-18
Abstract: (57)【要約】
本発明は、前真空ポンプおよび高真空ポンプ、テストガス検出器、電気的構成部材などの供給および測定装置と、テスト室（２）とを備えたテストガス漏洩検出機（１）に関する。このような形式の装置を簡単に、かつ移動性に関する制限がないように形成するために、テスト室（２）と供給および測定装置とが１つの構成ユニットにまとめられており、テスト室（２）がケーシング（３）上で支持されており、このケーシング（３）内に供給および測定装置が設けられており、供給および測定装置の熱的安定性の低い構成部材が、空気冷却装置に対応配置されている構成が提案されている。
Patent JP-2003511815-A (JP)
Title: モジュラーｈｓｓｄｃプラグコネクタおよびそのための改良されたレセプタクル
IPC: H01R24/00
Filed: 2000-02-17
Abstract: (57)【要約】
電気プラグコネクタは、２つの独立したモジュールを含み、その１つは、ハウジング（４）にプラグを差し込む電気コンタクトモジュール（２）であり、もう１つは、挿入時ハウジングに固定されるプリント回路基板（３）である。電気コンタクトモジュールのコンタクト（１０）は、それぞれのモジュールをコネクタハウジングに挿入する際、プリント回路基板のターミナル（２９）に係合するように配置されている。プラグコネクタハウジングは、一対のラッチアーム（１７）とガイドスロット（１４）を含み、コンタクトモジュールおよび回路基板、それぞれは、ハウジングに挿入する間ガイドスロットによってガイドされ、そして挿入完了時、ラッチアームの１つを捕獲するように配置されている。プラグコネクタを特定のレセプタクルにキー締結させることを可能にするために、プラグは、偏向キー（８）を含み、レセプタクルは、大きさおよび形状あるいは位置がプラグをレセプタクルにキー締結するのに役立つ対応するスロットを含む。さらに、レセプタクルは、レセプタクルハウジングにスナップし、そして、ＥＭＩフィルタを提供するためにコンタクトを囲むフィルタブロックを含む。
Patent JP-2003526773-A (JP)
Title: 電子体温計及び電子体温計ケーシングの製造方法
IPC: G01K7/00
Filed: 1999-11-10
Abstract: (57)【要約】
本質的構成として、透明プラスチックのような透明部材から構成される電子体温計。ケーシング１１は、体温計測用の温度センサ１２と計測体温表示用の表示部１３を備える。ケーシング１１は、ケーシング１１が本質的構成において可視光に対して透明であるように加工された外側及び／又は内側面２０、２１を備える。ケーシング１１は、点検領域２２において加工されない。表示部１３は、ケーシング１１の内側に、点検領域２２に隣接して配置される。
Patent JP-2002539785-A (JP)
Title: ５０個のヒト分泌タンパク質
IPC: A61P17/00
Filed: 2000-03-16
Abstract: (57)【要約】
本発明は、新規なヒト分泌タンパク質、およびそのようなタンパク質をコードする遺伝子のコード領域を含む単離された核酸に関する。ヒト分泌タンパク質を産生するためのベクター、宿主細胞、抗体、ならびにこのようなヒト分泌タンパク質を作製するための組換え方法がまた、提供される。本発明はさらに、これらの新規なヒト分泌タンパク質に関する障害を、診断するため、および処置するために有用な、診断方法ならびに治療方法に関する。
Patent JP-2002542054-A (JP)
Title: ワークピースを破面分割する方法および装置
IPC: B23D31/00
Filed: 2000-04-19
Abstract: (57)【要約】
【課題】  できるだけ簡単にかつ効果的に合理化され、装置の製造における技術的な複雑さを減少させることができるワークピースを破面分割する方法、ならびにそのような方法に適した、ワークピースを破面分割する装置を提供すること。
【解決手段】  軸方向Ａに順次配列された１以上の環状ワークピースセクション４を有するワークピース２を破面分割する方法であって、前記ワークピース２を破面分割するために配置する（８；１０，１４，１６）ステップと、少なくとも１つのエキスパンダ手段１８を各環状ワークピースセクション４によって形成される少なくとも１つの孔６に軸方向に挿入するステップ（２８）と、前記エキスパンダ手段１８の軸方向での挿入中および／または挿入後に、少なくとも１つの孔６に少なくとも１つの破面切り欠きを作り出すステップと、前記エキスパンダ手段１８を伸ばして、少なくとも１つの環状ワークピースセクション４を破面分割するステップと、を包含することを特徴とする、方法。さらに、かかる方法を実行するために好適な装置にも関する。
Patent JP-2002544532-A (JP)
Title: 人物識別装置
IPC: A61B5/1172
Filed: 2000-04-28
Abstract: (57)【要約】
本発明は、少なくとも１つの指紋を用いて人物を識別する装置に関する。本発明に基づく装置は、光パルスによって指の前部領域を照明および／または透過照明するための少なくとも１つの光源と、指のための少なくとも１つのファイバー光学的な載置表面とを有している。前記表面は、指紋の光学的イメージを受信するために使用される。光学的イメージは、支持表面を通して少なくとも１つのセンサユニットへ移送可能である。光学的イメージは、前記センサユニット内で電気的な信号に変換することができる。周囲光は、光源として設けられる。
Patent JP-2003500667-A (JP)
Title: 核燃料要素のための容器
IPC: G21C19/07
Filed: 2000-04-28
Abstract: (57)【要約】
本発明によると、核燃料要素を貯蔵及び搬送するための容器１であって、前記核燃料要素を受け入れるための複数の区画室３を備え、該区画室は第１組のプレート５と第２組のプレート６とが交差することにより画成されており、矩形断面を有する区画室３を画成するために前記第１組のプレート５は前記第２組のプレート６に関して直角に延びており、前記各プレートは連結継手を含んでいて、該連結継手が１つのプレートに設けられた少なくとも１つの突起部１１と、他のプレートに形成された凹部１２とを備え、これらのプレート５，６を連結するように前記突起部による係合のために前記凹部に保持部が設けられている容器が提供されている。
Patent JP-2002208420-A (JP)
Title: Operation method of fuel cell power generation system
Inventor: KUBOTA YASUMOTO
IPC: H01M8/04
Filed: 2001-01-05
Abstract: PROBLEM TO BE SOLVED: To provide an operation method of a fuel cell power generation system in which byproduct hydrogen is made most of regardless of its supply volume and continued operation of the fuel cell is made possible even when the generated volume of the byproduct hydrogen becomes zero. SOLUTION: In the operation method of a fuel cell power generation system which uses high concentration hydrogen gas such as byproduct hydrogen as main fuel gas for a fuel cell 1 and uses a reformed gas obtained by hydrocarbon system crude fuel steam reformed by fuel reforming equipment 7 as auxiliary fuel gas, the load on the fuel reforming equipment is larger than the reforming load with which the operation can be continued.
Patent JP-2001234890-A (JP)
Title: Device for axially holding disc blade
Inventor: BRIOUDE MICHEL ANTOINE
IPC: F01D5/30
Filed: 2001-01-05
Abstract: PROBLEM TO BE SOLVED: To provide an arrangement for axially holding an blade in the disc of a turbo engine, capable of withstanding considerably large instantaneous force in the case of the adjacent blades being crushed or colliding with each other, and usable particularly at an inlet of the fan. SOLUTION: The axial assembly of a root part 5 of the fan blade has two levels of flexibility and keeps low rigidity until the disappearance of preset play 35 between two stopper members 32, 34 when the marked increase of rigidity is required. Never the less, large energy can be absorbed by the elastic deformation of specific parts 7, 30 positioned between the blade and the disc 2.
Patent JP-2002201341-A (JP)
Title: Polyester composition for metal plate laminated film and film comprising the same
Inventor: SHIMIZU YUZO
IPC: B32B15/08
Filed: 2001-01-09
Abstract: PROBLEM TO BE SOLVED: To obtain a polyester composition for a metal plate laminated film, having good particle dispersibility and formability of the film and having excellent whiteness, adhesion to the metal plate, formability during can manufacturing processes, chipping and heat resistances and printability and the film comprising the same polyester composition. SOLUTION: This polyester composition for the metal plate laminated film comprises titanium oxide particles containing silicon element and aluminum element. The film comprises the polyester composition.
Patent JP-2002209616-A (JP)
Title: Fastener for circular accessory
Inventor: HOSHINO MASAHIRO
IPC: A44C11/00
Filed: 2001-01-15
Abstract: PROBLEM TO BE SOLVED: To provide a fastener for a circular accessory which has an appreciably decorative structure capable of free design of the shape and size of a body part. SOLUTION: This fastener 1 for a circular accessory comprises a body part 2 and a locking element 3. The body part 2 comprises a base part 5, a leaf spring member 6 with one end 5a fixed for rising and lowering motion, a spring 7 as an urging means for urging elastic force of the leaf spring member 6, and a guide part 8 as a guiding means for guiding the locking element 3 to the leaf spring member 6. The locking element 3 is shaped into a pin, and the periphery of a pint portion 3b is provided with a circumferential locking groove 3c. The leaf spring member 6 has a curved surface 6c between the one end 6a and the other end 6b, and the curved surface 6c has an engaging portion 6d formed into a window punched in the leaf spring member 6 so as to elastically engage with and disengage from the locking groove 3c of the locking element 3.
Patent JP-2002212843-A (JP)
Title: Spinning machine
Inventor: MORI SHIGEKI
IPC: D01H15/00
Filed: 2001-01-17
Abstract: PROBLEM TO BE SOLVED: To improve the success rate of a piecing treatment and solve the problem that the yarn strength of a yarn-piecing portion is lowered or the problem that the appearance of the pieced portion is deteriorated. SOLUTION: This spinning machine is disposed with a tension-imparting member 37 for nipping a seed yarn Y' inserted into a yarn-producing device P together with a wall surface 16c on the side of the draft device D of the yarn-producing device P, when the spinning machine is started or when the yarn is broken.
Patent JP-2002217997-A (JP)
Title: Protocol-measuring system
Inventor: MASAYANAGI HIROYUKI
IPC: H04L29/06
Filed: 2001-01-17
Abstract: PROBLEM TO BE SOLVED: To provide a protocol-measuring system for clearly indicating both causal relations at same time, without influencing cross protocol processing in communication between two systems. SOLUTION: A data branch part 1 inputs no.1 measuring object device input signal 30, and outputs no.1 input signal 32 and no.2 measuring object device output signal 31. A data branch part 2 inputs no.2 measuring object device input signal 40 and outputs no.2 input signal 42 and no.1 measuring object device output signal 41. A physical layer terminated part 3 outputs terminated data 33, after terminating a physical layer of the no.1 input signal 32. A physical layer terminated part 4 outputs terminated data 43 after terminating a physical layer of the no.2 input signal 42. Memory write part 5 outputs the terminated data 33 by memory write trigger signal 50 as memory write data 34.
Patent JP-2002213840-A (JP)
Title: Evaporator
Inventor: TORIGOE EIICHI
IPC: B60H1/32
Filed: 2001-01-19
Abstract: PROBLEM TO BE SOLVED: To make improvement in draining of condensed water and ensurance of heat transfer performance compatible with each other, in an evaporator formed such that a tube part and a tank part are formed of different members and the tank parts are arranged in a plurality of rows at a front and in the rear in an air flow direction. SOLUTION: Tank parts 7-10 for distributing and collecting a refrigerant to and from tubes 2 and 3 are formed differently from the tubes 2 and 3, and are arranged in a plurality of rows in the flow direction A of air. The distance between a plurality of rows of the tank parts 7-10 in the portion, corresponding to tube insertion parts 14 and 16 of the tank parts 7 and 10, is reduced to a value smaller than a distance c between the tank parts in other portion not corresponding to the tube insertion parts 14 and 16. A passage 25 for drainage is formed at a spot, corresponding to at least other portion between the tank parts 7-10 in a plurality of rows.
Patent JP-2002215519-A (JP)
Title: Method and system for web page generation, web page generating program, and recording medium
Inventor: HARADA KATSUHIRO
IPC: G06F15/00
Filed: 2001-01-22
Abstract: PROBLEM TO BE SOLVED: To lighten the burden of operation regarding the maintenance of a web page including a static description and a dynamic description. SOLUTION: An HTML file 3 which represents the static description displayed fixedly in a web page and a dynamic conversion DB 4 which represents the dynamic description displayed having its contents changed in the web page are individually prepared. When a web server 1 provides the web page at a request from a client terminal connected to a network 6, the web page is generated by inserting the dynamic description at the position of a conversion identifier described at a desired position in the static description and then when it becomes necessary to maintain, for example, a static part (screen layout), a screen image can easily be modified only by correcting the HTML file 3 in a text editor, etc.
Patent JP-2002220838-A (JP)
Title: Vegetation base material spray device
Inventor: EKOSHI KEIJI
IPC: A01C7/00
Filed: 2001-01-23
Abstract: PROBLEM TO BE SOLVED: To reduce the blocking in the carrying of a vegetation base material to enhance the efficiency of spray application. SOLUTION: This vegetation base material spray device 1 comprises a spray gas tank 10 for storing the vegetation base material, a nozzle 20 for spraying the force-fed vegetation base material to a slope, a pipe 30 extending from a discharge port 12 to the nozzle 20, a circulating flow generation part 40 for generating a circulating flow in the air for carrying the vegetation base material, and the like. The circulating flow generation part 40 comprises three insert air pipes 41 communicating with the inner part of the pipe 30, an inner tube part 43 communicating with a discharge port 12, a spiral 42 provided on the inner surface of the pipe 30 and substantially spirally continued to the longitudinal direction of the pipe 30.
Patent JP-2002222054-A (JP)
Title: Pointing device
Inventor: NISHINO MASAAKI
IPC: G06F3/041
Filed: 2001-01-25
Abstract: PROBLEM TO BE SOLVED: To provide a pointing device which has small power consumption, good operability, and simple circuit constitution. SOLUTION: This pointing device emits linear light from a pen type input device 3 when buttons 4, 5, and 6 of the pen type input device 3 are pressed and detects the position 8 of the light irradiating a display 7 by a position detector 9 to enable pleasant pointing operation.
Patent JP-2002223611-A (JP)
Title: Compost application car
Inventor: YOKOYAMA SHOJI
IPC: A01C3/06
Filed: 2001-01-31
Abstract: PROBLEM TO BE SOLVED: To provide a compost application car capable of uniformly mixing a compost with a granular additive such as a chemical fertilizer in a prescribed ratio and applying the resultant compost. SOLUTION: This compost application car 1 is obtained by connecting an addition device 5 for adding the additive such as the chemical fertilizer to the compost in a discharging device 4 in the compost application car 1 equipped with a tank 2 for loading the compost and the discharging device 4 installed in the tank 2 and discharging the resultant compost so as to apply the compost.
Patent JP-2002224924-A (JP)
Title: Spindle unit
Inventor: YONEYAMA HIROKI
IPC: B23Q3/08
Filed: 2001-01-31
Abstract: PROBLEM TO BE SOLVED: To provide a spindle unit capable of removing outside foreign matters absorbed into a clearance formed among connecting parts of various parts, when a vacuum chuck attracts a workpiece. SOLUTION: A passage 18 for the vacuum chuck which is formed in a spindle 14 inserted inside bearings 12A and 12B set in a housing 10 and communicates with the vacuum chuck 16, a suction hole 20 for the vacuum chuck which is formed in the housing 10 and communicates with the passage 18 for the vacuum chuck, a clearance 22 which is formed between an inner peripheral surface of the housing 10 and an outer peripheral surface of the spindle 14, and a suction pocket 24 for the vacuum chuck which is set between the passage 18 for the vacuum chuck and the suction hole 20 for the vacuum chuck and communicates with the clearance 22, are provided. At least one auxiliary suction pocket 46 communicating with the clearance 22 is set, and an auxiliary suction hole 48 communicating with the auxiliary suction pocket 46 for sucking is formed in the housing 10.
Patent JP-2002230268-A (JP)
Title: System for receiving failure communication
Inventor: YAMAMOTO KENJI
IPC: G06Q50/00
Filed: 2001-02-01
Abstract: PROBLEM TO BE SOLVED: To quickly and exactly receive a failure communication about supplies. SOLUTION: A file group (a transmitter retrieval file 201, a customer management file 202, a site control file 203, a delivered article control file 204, an employee management file 205, a detail control file 206) is provided in an in- server storage part to allow retrieval-with-some-strings-attached about informations ranging over from a received phone number to a transmitter, a user and a device name requiring a countermeasure for a failure, and the informations are retrieved using respective retrieval parts (a transmitter retrieving part 162, a final customer retrieval part 163, a delivered article retrieving part 164, a detail information retrieving part 165) provided in a server.  A final customer of a product and product information thereof are automatically displayed on a screen of reception terminal based on the received phone number when the failure communication is received, by conducting the retrieval-with- some-strings-attached about the various kinds of informations in this manner, so as to provide smooth customer service.
Patent JP-2002229143-A (JP)
Title: Silver halide photographic sensitive material
Inventor: UCHIHIRO SHINJI
IPC: G03C1/89
Filed: 2001-02-01
Abstract: PROBLEM TO BE SOLVED: To provide a silver halide photographic sensitive material which improves film fogging and scuffing in high-speed traveling and suppresses the sticking of silver sludge to a film due to reduced replenishment. SOLUTION: In the silver halide photographic sensitive material having at least one photosensitive silver halide photographic emulsion layer on the base, a hydrazine derivative, a hydrophobic polymer having <=50 deg.C glass transition temperature and an ethylene oxide activator are contained in the emulsion layer or another hydrophilic colloidal layer, the sensitive material has an antistatic layer on one face of the base, a cationic antistatic polymer is contained in the antistatic layer and value given by dividing the dynamic loss modulus of the sensitive material by the dynamic storage modulus is 0.1-0.7.
Patent JP-2002224820-A (JP)
Title: Method and device for heating magnesium chip
Inventor: MIYASHITA YUICHI
IPC: B22D17/30
Filed: 2001-02-01
Abstract: PROBLEM TO BE SOLVED: To provide a method and a device for heating magnesium chip in which the temperature of the chip is unified to eliminate troubles such as combustion. SOLUTION: Magnesium chip held in a heating tank 10 comprising wall parts with a jacket space 10d formed inside thereof is heated to predetermined temperature in the inert gas atmosphere not reactive with magnesium by feeding heated heating medium in the jacket space. A heating medium temperature adjusting unit 20 for feeding the heated heating medium comprises a temperature-raising heating medium temperature adjusting unit 20A for feeding the heated medium at the predetermined temperature higher than the target heating temperature, and a temperature-maintaining heated medium temperature adjusting unit 20B for feeding the heated medium at the target heating temperature. Magnesium chip is preferably fed from a material tank 32 to the heating tank 33 by transport gas passing through a transport gas feed passage 33.
Patent JP-2002225689-A (JP)
Title: Vehicular braking control system
Inventor: TAKAHASHI HIROSHI
IPC: B60T7/12
Filed: 2001-02-05
Abstract: PROBLEM TO BE SOLVED: To establish proper braking control that gives no feeling of anxiety to a driver by precluding the disadvantage that braking force does not act when a vehicle needs braking force acting thereon, and reflecting a braking operation by the driver direct to braking force on the vehicle. SOLUTION: During braking control on the basis of a standard target braking force computed by a standard target braking force computing part 11 according to road conditions, travel conditions of a vehicle and the like, when a braking operation detecting part 12 detects an intervention of a braking operation by a driver, braking control is triggered on the basis of an operational target braking force as the sum of the standard target braking force and a braking force according to the braking operation by the driver. After the intervention by the driver in the braking control finishes, the braking control on the basis of the operational target braking force is continued or it is returned to the braking control on the basis of the standard target braking force.
Patent JP-2002229463-A (JP)
Title: Removal structure for cover sheet
Inventor: TANAKA TATSUO
IPC: E01F9/70
Filed: 2001-02-07
Abstract: PROBLEM TO BE SOLVED: To provide a removal structure for a cover sheet which temporarily hides so-called information displays, such as various kinds of signboards, traffic signboards or traffic lights with a cover and which is easily, safely and surely removed by man exclusive the information display body installation supplier. SOLUTION: A wire 8 is penetrated to one end side of a planned line segment of a tearing portion formed at the cover sheet 5. The wire 8 is turned back in this penetration position and portions 8a and 8b of the wire arranged on the inside surface side and outside surface side of the cover sheet 5 are lowered down to the lower part of the cover sheet 5 along the planned line segment. The turned back part of the wire is continuously moved along the planned line segment by pulling both ends of, for example, the wire in removing the cover sheet 5 from the information display, by which the tearing portion is formed. The information display 4 is relatively removed through the tearing portion by pulling down the cover sheet.
Patent JP-2001307121-A (JP)
Title: Map information correction device and its method
Inventor: ATA TERUAKI
IPC: G06T11/60
Filed: 2001-02-08
Abstract: PROBLEM TO BE SOLVED: To solve a problem that a landmark and an area to be the outside of a road included in map information are displayed on positions overlapped to the road in the case of displaying the road with road width. SOLUTION: A map information storage part 10 stores map information including information concerned with the road, the landmark and the area. An overlap decision part 11a judges whether the landmark and the area are overlapped when the road and the road width are considered or not. When the overlap of the landmark and the area are decided, a positional information correction part 12a corrects the positional information of the landmark and the area to positions not overlapped to the road with the road width. A corrected map information storage part 13 stores map information including the corrected positional information of the landmark and the area. When the found map information is displayed on a screen, the landmark and the area are displayed on positions not overlapped to the road with the road width.
Patent JP-2002241337-A (JP)
Title: Method of producing 6-methyl-4,6-heptadiene-2-one and 3,7-dimethyl-1,5,7-octatriene-3-ol
Inventor: ITO NOBUHIKO
IPC: C07C49/203
Filed: 2001-02-15
Abstract: PROBLEM TO BE SOLVED: To provide a novel method of producing 6-methyl-4,6-heptadiene-2-one and 3,7-dimethyl-1,5,7-octatriene-3-ol from inexpensive raw materials using easy chemical operation through shortened process steps with industrial advantage. SOLUTION: In this novel process, 6-methyl-3,5-heptadiene-2-one represented by the following formula (II) is isomerized with a base to produce the objective 6-methyl-4,6-heptadiene-2-one represented by the following formula (I). Then, 6-methyl-4,6-heptadiene-2-one represented by formula (I) is allowed to react with a reagent represented by formula (III) [X is Li, MgY (Y=Cl, Br or I atom)], followed by hydrolysis to produce 3,7-dimethyl-1,5,7-octatriene-3-ol represented by the following formula (IV).