baber/WOPTO huggingface dataset:
Patent WO-2019146803-A1 (WO)
Title: Business management assistance system, business management assistance method, and business management assistance program
Inventor: KAI SHUNSUKE
IPC: G06Q30/02
Filed: 2019-01-29
Abstract: In order to provide a business management assistance system and the like with which it is possible to reduce time and effort required by a user for conventional business analysis, and to contribute sufficiently to business improvement, this business manage assistance system is provided with a plurality of user terminals used by a plurality of different users, and a server which communicates with the plurality of user terminals. Here, the user terminals transmit to the server user information including information a1 relating to sales results in a store of each user, and information a2 relating to cost management in the store of each user. The server analyses the user information on the basis of prescribed analysis rules, to thereby acquire business management information relating to the store of each user, and transmits the same to the plurality of user terminals. Each user terminal then displays the business management information hierarchically, on the basis of an instruction from the user, and displays business information of the stores of the plurality of users in such a way as to be capable of being compared between the stores.
Patent WO-2019159803-A1 (WO)
Title: Ink discharge stability-imparting agent, ink and textile printing agent containing same, and printed matter
Inventor: KAWAI KAZUNARI
IPC: B41M5/00
Filed: 2019-02-07
Abstract: The present invention addresses the problem of providing an ink discharge stability-imparting agent which can impart superior discharge stability to inks such as an inkjet printing ink. The present invention pertains to an ink discharge stability-imparting agent containing a polymer (A) having a scattering vector q having at least one local minimum in the range of 0-2 nm - 
 1 , in a Kratky plot of a scattering profile obtained by small-angle X-ray scattering using synchrotron radiation, and is characterized in that an aqueous solution (polymer (A) concentration: 20 mass%) of the polymer (A) has a parallel light transmittance of 85% or more.
Patent WO-2019156169-A1 (WO)
Title: Tool material manufacturing method and tool material
Inventor: ISHIKAWA TAKESHI
IPC: B23P15/28
Filed: 2019-02-07
Abstract: Provided is a method for efficiently improving other mechanical properties (bending stress, toughness, impact resistance, etc.) without significantly impairing the wear resistance and high-temperature softening resistance, etc. of a buildup layer formed by the laser cladding method. In addition, the present invention provides a tool material in which a buildup layer of high-speed tool steel having excellent bending stress, toughness, impact resistance, wear resistance, etc. is formed on the outermost surface of a relatively inexpensive metal substrate. This is achieved by providing a tool material manufacturing method comprising: a laser cladding step of supplying high-speed tool steel powder to the surface of a metal base while irradiating with a laser beam, a spheroidizing annealing step of heat treating the buildup layer at 750°C-880°C, a quenching step of quenching the buildup layer subjected to the spheroidizing annealing step, and a tempering step of tempering the buildup layer subjected to the quenching step.
Patent WO-2020161891-A1 (WO)
Inventor: KANAMARU MASAHIRO
IPC: G06F3/041
Filed: 2019-02-08
Abstract: タッチ操作がなされる操作面（１４ａ）を有するタッチパネル（１４）と、そのタッチ操作に応じて操作面（１４ａ）に加振力を与えるボイスコイルアクチュエータ（２０）とを備えた電子機器であって、ボイスコイルアクチュエータ（２０）は、タッチパネル（１４）の後方側から挿入されたガイドピン（４１）が沿うように当接するヨーク（２４）の外周面（２４ａ）と、この外周面（２４ａ）の径方向内側において環状に形成される磁気隙間（２７）とを有する磁気回路部（２０Ｂ）と、磁気隙間（２７）内に円筒状をなすコイル（２３）が配置されるように、タッチパネル（１４）の後面に設けられ、ガイドピン（４１）の先端形状に合致した外周形状を有するコイル部（２０Ａ）とを備える。
Patent WO-2019171902-A1 (WO)
Title: Curable composition, cured film, optical element, solid-state imaging element and color filter
Inventor: OYA TAKAHIRO
IPC: C08F290/12
Filed: 2019-02-15
Abstract: Provided is a curable composition which is capable of producing a cured film that has excellent line width stability. Also provided are: a cured film which is formed using such a curable composition; and a color filter, an optical element and a solid-state imaging element, each of which comprises this cured film. A curable composition according to the present invention contains a black colorant, a polymerizable compound, a resin A, a photopolymerization initiator and a polymerization inhibitor. With respect to this curable composition, the resin A satisfies one of the following requirements: the acid value thereof is 120-350 mgKOH/g; and the weight average molecular weight thereof is 3,000-7,500.
Patent WO-2020170403-A1 (WO)
Inventor: TAKADA TAKUMA
IPC: H04W16/28
Filed: 2019-02-21
Abstract: サポートされる複数のキャリアアグリゲーション（ＣＡ）バンドコンビネーションのうちの各ＣＡバンドコンビネーションのアグリゲートされた帯域幅を算出し、前記複数のＣＡバンドコンビネーションのうち、アグリゲートされた帯域幅が最大となる第一のＣＡバンドコンビネーションが複数存在し、かつ前記複数の第一のＣＡバンドコンビネーションのうち、Ｍｕｌｔｉｐｌｅ－ｉｎｐｕｔ　ａｎｄ　ｍｕｌｔｉｐｌｅ－ｏｕｔｐｕｔ（ＭＩＭＯ）レイヤ数が所定数であるコンポーネントキャリア（ＣＣ）の数が最大となる第二のＣＡバンドコンビネーションが複数存在する場合において、前記複数の第二のＣＡバンドコンビネーションのうちから少なくとも一つのＣＡバンドコンビネーションを選択する制御部と、前記選択した少なくとも一つのＣＡバンドコンビネーションを示す情報を送信する送信部と、を備えるユーザ装置。
Patent WO-2020044617-A1 (WO)
Inventor: DANNO MASAFUMI
IPC: H01R13/635
Filed: 2019-03-06
Abstract: A connector (10) that is configured from: a plug component (100) that has a pin contact (102); and a socket component (200) that has a socket contact (210). The socket component (200) has a lock lever (230) that rotates as a result of being operated by a user. The socket contact (210) has a first contact terminal (204a) and a second contact terminal (205a) that sandwich and hold the pin contact (102). The second contact terminal (205a) is urged in an A1 direction. When the lock lever (230) is operated by the user and rotates in an A2 direction, the second contact terminal (205a) moves in association with the lock lever (230), and the first contact terminal (204a) and the second contact terminal (205a) separate.
Patent WO-2019172355-A1 (WO)
Title: Resin composition for masterbatches
Inventor: YOSHIDA YUTO
IPC: C08J3/22
Filed: 2019-03-07
Abstract: The present invention addresses the problem of providing a masterbatch of a liquid additive which can contain the liquid additive at an increased concentration, is less sticky, and is easy to handle. Additionally, the present invention addresses the problem of providing: a resin composition that has excellent slidability and wear resistance without a deterioration in the conventional mechanical properties and moldability of engineering plastics; and a molded body. The present invention uses a resin composition for masterbatches which contains: (a) a block copolymer containing polymer blocks mainly composed of a vinyl aromatic compound and polymer blocks mainly composed of a conjugate diene compound, or a hydrogenated product thereof; 40 to 100 parts by mass of a polyolefin resin relative to 100 parts by mass of the component (a); and 100 to 150 parts by mass of an ethylene-α-olefin copolymer having a dynamic viscosity at 100ºC of 10-5000 mm  2 /s, a molar ethylene content of 30-85 mol%, and a molecular weight distribution (Mw/Mn) of polystyrene-equivalent molecular weights determined by gel permeation chromatography (GPC) of 2.5 or less.
Patent WO-2019202940-A1 (WO)
Title: Ultrasonic atomizing separation device and humidity controller
Inventor: IDE TETSUYA
IPC: B05B17/06
Filed: 2019-03-28
Abstract: Provided is an ultrasonic atomizing separation device capable of achieving a prescribed degree of separation. This ultrasonic atomizing separation device comprises: an atomization tank which stores a treatment solution, and generates a liquid column using ultrasonic waves on the liquid surface of the treatment solution to generate atomized droplets from the treatment solution; an ultrasonic wave generator which generates ultrasonic waves; and a bubble generator which incorporates bubbles in the treatment solution. The bubble generator incorporates, in the treatment solution, bubbles which have a diameter that is larger than the diameter of cavitation bubbles generated by resonance in the frequency of the ultrasonic wave generator and at 1 atmospheric pressure, and that is smaller than the thickness of the liquid column.
Patent WO-2019189830-A1 (WO)
Inventor: HITOMI Hidetoshi
IPC: A23L27/00
Filed: 2019-03-29
Abstract: 輸送中の均一性を担保し、かつ流動性が改善された、スクロースにより被覆されたＤ－アルロース顆粒物を提供することを課題とし、平均粒子径５０～５００μｍのＤ－アルロースと平均粒子径２０～１０５μｍの砂糖（但し、砂糖の平均粒子径はＤ－アルロースの平均粒子径より小さい）を含み、その質量比が５：９５～３５：６５の範囲にある原料粒子から製造された、平均粒子径が３００～８００μｍである、砂糖により被覆されたＤ－アルロース顆粒物により上記課題は達成される。
Patent WO-2020217497-A1 (WO)
Inventor: YAMATO TAKUMI
IPC: B64C39/02
Filed: 2019-04-26
Abstract: 本発明は、飛行本体から垂下した線状部材の先端部に容易に運搬物を接続できる無人飛行体を提供する。本発明の一態様の無人飛行体１は、飛行可能な飛行本体２と、前記飛行本体２に設けられ、線状部材３１の繰り出し及び巻き取りが可能な巻揚機３と、前記線状部材３１の先端部に設けられ、運搬物Ｔに設けられる強磁性を有する被着部Ｆとの間に磁気的吸引力を発生する吸着部材４と、前記吸着部材４と前記被着部Ｆとが前記磁気的吸引力により結合した状態で前記運搬物Ｔを保持する保持機構５と、を備える。
Patent WO-2019230443-A1 (WO)
Title: Image processing device and method
Inventor: NAGUMO TAKEFUMI
IPC: H04N9/07
Filed: 2019-05-17
Abstract: The present disclosure relates to an image processing device and method capable of suppressing an increase in processing load for multi-wavelength data. In the present disclosure, a photographic subject is imaged, multi-wavelength data, that is, image data including four or more wavelength components, is generated, encoded data of the generated multi-wavelength data is generated by encoding the multi-wavelength data, and the generated encoded data is transmitted. The present disclosure can be applied, for example, to an image processing device, an image encoding device, an image decoding device, an imaging sensor, or an imaging device.
Patent WO-2020240862-A1 (WO)
Inventor: ADKAR NIKHIL
IPC: B61L27/00
Filed: 2019-05-31
Abstract: The present invention relates to a train control system in a distributed computing environment. The train control system may include a train control server configured to communicate with one or more trains via a communication network. The train control server may include a parameter management unit configured to select, from a parameter file database, a first set of train parameters based on the first set of train data from the parameter file database, a communication unit configured to transmit the first set of train parameters to the first set of trains and receive a set of parameter setting confirmation data from the first set of trains, and a verification unit configured to verify that the set of parameter setting confirmation data achieves a consistency level with respect to the parameter file database.
Patent WO-2021001911-A1 (WO)
Inventor: ARIMATSU KAZUYUKI
IPC: G06F3/01
Filed: 2019-07-01
Abstract: A device, hand operated by a user, that: is connected to a device having a plurality of sensors arranged therein that output information pertaining to the spatial position relationship between the surface of this device and the hand of the user, displaying same on the surface of this device; receives outputs from each of the sensors in the device; and generates images above a mapping space that provides a planar expansion of at least a section, among the surfaces of the device, where sensors are arranged, said images having image elements drawn using pixel values determined on the basis of values indicated by the outputs from each sensor, and said images being generated at positions corresponding to the positions at which each sensor is arranged. The information processing device inputs the generated image, estimates information pertaining to the positions of each joint on the fingers of the user operating the device, and outputs same as three-dimensional space coordinate information having a point that moves together with the device as the origin therefor.
Patent WO-2020121580-A1 (WO)
Inventor: KOBAYASHI TAKAAKI
IPC: G21C17/00
Filed: 2019-07-18
Abstract: 原子炉設備のフィルタベントから放出される処理ガスを適切に処理する。原子炉格納容器（２）に接続されたフィルタベント（４）から排出される処理ガスを処理する放射性ガス処理装置（１０）であって、処理ガスに水を接触させることで該処理ガス中に含まれる蒸気の一部を凝縮させる蒸気凝縮部（２０）と、蒸気凝縮部（２０）から処理ガス中の非凝縮ガスが導入され、該非凝縮ガスに除湿を施す除湿部（４１）と、除湿部（４１）を通過した非凝縮ガスが導入される第一吸着タンク（５１）、及び、該第一吸着タンク（５１）内に収容されて非凝縮ガスのうち少なくとも放射性希ガスを吸着可能な第一吸着剤（５２）を有する第一吸着塔（５０）と、を備える。
Patent WO-2020044939-A1 (WO)
Inventor: SUGIURA HIDEAKI
IPC: B08B3/02
Filed: 2019-08-01
Abstract: A high-pressure cleaner disclosed in the present specification may be provided with: a pump mechanism that pressurizes water supplied to a water inlet and discharges the water from a water outlet; an electric motor for driving the pump mechanism; a housing for accommodating the pump mechanism and the electric motor; and a plurality of batteries that are detachably mounted to the housing and feed power to the electric motor.
Patent WO-2020110384-A1 (WO)
Title: Data processing device, data processing system, and data processing method
Inventor: ABE MASANORI
IPC: G06Q50/06
Filed: 2019-08-20
Abstract: The present invention makes it possible to enhance the coordination of processing using power demand data.　A level-of-detail determination unit 102 uses level-of-detail type data D2 to calculate a level-of-detail data set D3 from a power demand data set D1 generated by a power demand simulator 106. A data level-of-detail conversion unit 103 calculates a converted power demand data set D4 by making the level of detail of the power demand data set D1 match the level of detail required for simulation by a power system simulator 105. A communication unit 104 displays the level-of-detail conversion result indicated by the converted power demand data set D4 and communicates the converted power demand data set D4 to the power system simulator 105.
Patent WO-2020066382-A1 (WO)
Inventor: SUMI SHOGO
IPC: B60H1/34
Filed: 2019-08-22
Abstract: This vehicle air-conditioning device (1) has an air-conditioning case (10), a blower (20), and an outlet part. The air-conditioning case (10) is disposed on a ceiling part (R) of a vehicle cabin (I) and has a suction port (16) into which air inside the vehicle cabin is sucked. The outlet part (45) is provided with a blowoff passage (46) and blows ventilation air that has passed through the blowoff passage into the vehicle cabin. The blowoff passage (46) is formed into a flat shape having a short vertical length and extends in a predetermined first direction, and the ventilation air that was blown by the blower passes therethrough. The blowoff passage (46) has an upper wall part (47) and a lower wall part (48). The upper wall part (47) has a covered part (47a) and an exposed part (47b). The blowoff passage (47) also has a guide member (50) disposed therein. The guide member (50) has an operation part (52) that is positioned so as to face the exposed part of the upper wall part and that is used for a pivoting operation toward a second direction.
Patent WO-2020090220-A1 (WO)
Inventor: KINJO HIROFUMI
IPC: H02M1/08
Filed: 2019-09-03
Abstract: A driving device (20) for a rotary electrical machine includes: a first inverter (22) that is provided with a plurality of first switching elements (24-34) that correspond to respective phases of the rotary electrical machine (10) including multi-phase winding wires (12, 14, 16) and capable of forming/breaking connection between a first high potential point and one end of the corresponding winding wire and connection between one end of the corresponding winding wire and a first low potential point; a second inverter (36) that is provided with a plurality of second switching elements (38-48) having on-resistances lower than those of the first switching elements and capable of forming/breaking connection between a second high potential point and the other end of the corresponding winding wire and connection between the other end of the corresponding winding wire and a second low potential point; and a control unit (60) that turns the first switching elements on/off at a switching frequency higher than the electrical basic frequency of the rotary electrical machine, and turns the second switching elements on/off at a switching frequency lower than that of the first switching elements.
Patent WO-2020059824-A1 (WO)
Inventor: HIRANO MASAFUMI
IPC: C07C1/32
Filed: 2019-09-19
Abstract: A method for producing a boron-containing conjugated polyene compound, the method being provided with a step for reacting a first raw material compound that has a carbon-carbon triple bond and a second raw material compound that has a 1,3-butadiene-4,4-diyl group and has a conjugated di(or poly)ene skeleton including two carbon-carbon double bonds in said group, the reaction being conducted in the presence of a metal catalyst, to obtain a boron-containing conjugated polyene compound that has a conjugated polyene skeleton including three or more carbon-carbon double bonds, the method being such that the first raw material compound and/or the second raw material compound has a boron-containing group bonded to a carbon atom constituting a triple bond or a conjugated di(or poly)ene skeleton, and the boron-containing conjugated polyene compound has a boron-containing group bonded to a carbon atom constituting the conjugated polyene skeleton.
Patent WO-2021064818-A1 (WO)
Inventor: AHN SEUNGJUN
IPC: G06Q50/10
Filed: 2019-09-30
Abstract: This management system comprises: a storage unit which stores identification information about batteries and identification information about the owners of the batteries in association with each other; a value determination unit which, each time a battery is discharged and charged, determines a value generated as a result of the discharge and charge of the battery; and a consideration determination unit which, each time a battery is discharged and charged, determines the consideration to be provided to the owner of the battery, on the basis of the value determined by the value determination unit.
Patent WO-2020105288-A1 (WO)
Title: Image formation system and image formation device
Inventor: TAGAKI KOJI
IPC: G06F3/12
Filed: 2019-10-01
Abstract: In the present invention, an authentication processing unit (31): puts the execution of a print job on hold if an imaging device (12) is malfunctioning, and transmits print image data of the print job and user information of a user to a manager terminal device (4); receives an authentication code from the manager terminal device (4) if execution of the print job was permitted at the manager terminal device (4) on the basis of the print image data and the user information; when an authentication code is input by the user, determines whether the authentication code input by the user and the authentication code received from the manager terminal device (4) match, and if the two match, executes the print job.
Patent WO-2020085226-A1 (WO)
Inventor: MICHIYAMA JUNJI
IPC: G06F21/10
Filed: 2019-10-18
Abstract: A content management system comprising a plurality of servers that hold a distributed ledger and a safekeeping device that retains content, wherein a control method executed by one server among the plurality of servers includes: acquiring transaction data, which indicates that content has been provided by a provision device and which includes at least identification information for the content (step S201); and storing the acquired transaction data in the distributed ledger held by each of the plurality of servers (step S202).
Patent WO-2021090505-A1 (WO)
Inventor: MATSUMURA YUKI
IPC: H04W72/04
Filed: 2019-11-08
Abstract: A terminal according to one embodiment of the present disclosure has: a reception unit for receiving a path-loss reference signal; and a control unit that, when the path-loss reference signal is updated by a media access control control element (MAC CE) and a measurement condition is satisfied, calculates a path loss for transmitted power control on the basis of the layer-1 (L1) reference signal received power (RSRP) of the path-loss reference signal. According to one embodiment of the present disclosure, a path loss can be appropriately calculated.
Patent WO-2020166157-A1 (WO)
Inventor: UCHIDA NAOKI
IPC: H01H19/20
Filed: 2019-11-19
Abstract: 操作したときの感覚を操作者に適切に与える作業機械の操作装置を提供する。ベース部（８０）は、第１の寸法を有する第１の孔部（８３）を複数有している。ベース部は、第１の寸法と異なる第２の寸法を有する第２の孔部（８４）を複数有している。隣り合う２つの第１の孔部（８３）の配置間隔と隣り合う２つの第２の孔部（８４）の配置間隔とが異なっている。接触部は、ベース部（８０）に接触している。接触部は、ベース部（８０）に対して相対移動して、複数の第１の孔部（８３）および複数の第２の孔部（８４）のうちのいずれか１つに選択的に係合可能である。付勢部は、接触部をベース部（８０）に接触させる向きの付勢力を、接触部に作用する。操作入力部は、入力操作を受け付けることで、接触部をベース部（８０）に対して相対移動させる。
Patent WO-2020111263-A1 (WO)
Inventor: SHINOHARA TOMOICHI
IPC: C07D405/04
Filed: 2019-11-29
Abstract: The present invention provides a novel heterocyclic compound represented by Formula [I] and a salt thereof: wherein the symbols are as defined in the specification, which is useful for treating, preventing and/or diagnosing seizure and the like in disease involving epileptic seizure or convulsive seizure (including multiple drug resistant seizure, refractory seizure, acute symptomatic seizure, febrile seizure and status epilepticus), as well as a medical use therefor.
Patent WO-2020137441-A1 (WO)
Title: 熱処理炉の前処理条件の決定方法、熱処理炉の前処理方法、熱処理装置ならびに熱処理された半導体ウェーハの製造方法および製造装置
Inventor: KUWANO YOSHIHIRO
IPC: H01L21/31
Filed: 2019-12-06
Abstract: 熱処理炉の前処理条件の決定方法であって、上記前処理は上記熱処理炉の炉内をガスを供給しながら加熱することであり、供給ガスの種類と加熱温度との組み合わせの候補を複数設定すること、各組み合わせの候補に上記前処理による除去対象として特定した対象金属の種類に応じて決定された点数を付与すること、および、上記付与された点数を指標として上記複数の候補の中から前処理条件として採用する供給ガスの種類と加熱温度との組み合わせを決定することを含む熱処理炉の前処理条件の決定方法が提供される。
Patent WO-2020162028-A1 (WO)
Title: 電池パックの取付構造
Inventor: YAKO MASAHITO
IPC: B60L50/64
Filed: 2019-12-09
Abstract: 電池パックの取付構造は、車両幅方向両側に車両前後方向に沿って設けられる一対のサイドメンバと、一対のサイドメンバの上に架け渡され、車両の荷室の底面を構成するリアフロアパネルと、リアフロアパネルの上に、その長手方向が車両幅方向に沿うように設置される電池パックと、電池パックの長手方向に延び、電池パックの下面及び両外側面に接合されるとともに、一対のサイドメンバの上で一端部と他端部がそれぞれリアフロアパネルに固定されるブラケットとを備える。
Patent WO-2020183831-A1 (WO)
Inventor: TAKAHASHI SHUICHI
IPC: H04L9/32
Filed: 2019-12-13
Abstract: An authentication management device 20 and a device 30 to be authenticated share in advance a learning model specific to the device to be authenticated. An authentication request device 40 of an authentication requester transmits data for authentication to the authentication management device 20 and the device 30 to be authenticated. The authentication management device 20 inputs the data for authentication into the learning model corresponding to the device 30 to be authenticated, and generates authentication conversion data. The device 30 to be authenticated inputs the data for authentication into the learning model, and outputs conversion data to be authenticated. The authentication request device 40 (or the authentication management device 20) can, when the authentication conversion data and the conversion data to be authenticated are identical to each other, verify that the device to be authenticated is an authenticated device that is authenticated by the authentication management device. Against leakage of the learning model, authentication accuracy can be secured simply by generating a new learning model specific to the device to be authenticated.
Patent WO-2020255454-A1 (WO)
Title: 車両用空調装置
Inventor: SHINGU WAHEI
IPC: B60H1/22
Filed: 2019-12-17
Abstract: 冷房用電動膨張装置（１０）は、冷凍サイクルが冷房状態のときに、室外熱交換器によって凝縮された冷媒を膨張させる。暖房用電動膨張装置（２０）は、冷凍サイクルが暖房状態のときに、室内熱交換器によって凝縮された冷媒を膨張させる。暖房用電動膨張装置（２０）は、冷房用電動膨張装置（１０）に対し、冷媒の流れに関して並列に接続されている。阻止装置（５０）は、冷凍サイクルが暖房状態のときに、冷房用電動膨張装置（１０）への冷媒の流入を阻止し、かつ冷凍サイクルが冷房状態のときに、暖房用電動膨張装置（２０）への冷媒の流入を阻止する。
Patent WO-2020130132-A1 (WO)
Title: Composition, revêtement, film et matériau de base
Inventor: FUJII YUKI
IPC: C08L101/00
Filed: 2019-12-20
Abstract: L'invention concerne : une composition qui contient une grande diversité de particules bien dispersées et qui est capable d'assurer un niveau suffisant tant d'allongement que de rigidité même avec une faible humidité, etc ; un revêtement et un film formés à partir de ladite composition ; et un matériau de base comportant ledit revêtement ou ledit film. L'invention concerne, plus précisément, une composition contenant : un copolymère éthylène-alcool vinylique (A) présentant une teneur en motifs d'éthylène variant de 0,5 à 19 % en moles par rapport à la totalité des motifs structuraux ; et des particules (B), la quantité de particules (B) présentes étant égale ou supérieure à 1 partie en masse, mais inférieure à 100 parties en masse par rapport à 100 parties en masse du copolymère éthylène-alcool vinylique (A).