Nippon Shokubai Co., Ltd.

Informex, Inc.

Mitsui Chemicals, Inc.

Mitsubishi Electric Corporation

Takuya Saeki

Masaaki Sasaki

Takashi Yamaguchi

Shigeru Yamaguchi

Yoshikazu Fujii

Masahito Takagi

Joji Saeki

Shinya Saeki

Junichi Nakamura

Kouichirou Terada

Hideyuki Nishibayashi

Hirofumi Takahashi

Kouji Maeba

Takao Naito

Tsuyoshi Hirata

Takahiro Tsumori

Takashi Namba

Koichiro Saeki

Ichimoto Akasaki

Akihiko Kanzaki

Kazuhiko Hotta

Satoru Miura

Ryota Kurosawa

Fumiaki Hirata

Tsugio Imaizumi

Hiyora Kobayashi

Masato Saruwatari

A search apparatus includes: an array index storage in which an array index having attribute position information for specifying a position at which an attribute value is located is stored for each of one or more records out of records and for each of one or more attributes of each record; a condition accepting unit that accepts a search condition including an attribute identifier corresponding to an attribute value; a search unit that retrieves attribute position information corresponding to the attribute identifier included in the search condition, from the array index, and retrieves an attribute value corresponding to the attribute identifier included in the search condition, using the attribute position information, from a data source storage in which a data source including two or more records having two or more attribute values is stored; and a result output unit that outputs a search result including the attribute value.

Search apparatus, search method, and storage medium

A control device including a solder joint life predictor includes: a temperature sensor that measures temperature of a solder joint on an electronic circuit board that drives a heater and a motor; a storage that stores a reference acceleration factor that is an acceleration factor based on a test condition of a thermal shock test and a reference condition in an environment in which the electrical appliance is used; a calculator that calculates an actual acceleration factor from a temperature variation range and a maximum reached temperature of the solder joint during one cycle from start to end of driving of the heater or the motor; and a determiner that predicts the life of the solder joint by comparing the integrated value of the acceleration factor ratios with a threshold.

Solder joint life predictor and solder joint life prediction method

A permanent-magnet synchronous motor includes an inverter power circuit that converts direct-current power to three-phase alternating-current power, a motor bodydriven by the three-phase alternating-current power, a current detector that calculates an excitation current value and a torque current value from motor stator current values and an estimated value of a magnetic pole position of the rotor, a magnetic pole position detector that determines, for output to the current detector, the estimated value from the excitation current value, the torque current value, and supply voltage information, a voltage calculation unit that calculates, by means of the excitation current value, the torque current value, and an angular velocity calculated from the estimated value, the supply voltage information that causes the torque current value to approximate a torque current command value, and an inverter controller that controls the inverter power circuit on a basis of the supply voltage information and the estimated value.

Permanent-magnet synchronous motor and ventilation blower

A data retrieval apparatus includes a processor, and a memory. The memory stores a virtual database that analyzes a retrieval request input from a user terminal to generate a retrieval instruction, executes the generated retrieval instruction in the database to acquire two or more retrieved data, and integrates the acquired two or more retrieved data to prepare a retrieval result responding to the retrieval request.

Data retrieval apparatus, program and recording medium

A data retrieval apparatus includes a processor, a memory and a business intelligence circuit. The memory stores a data dictionary including presentation structure definition information for assisting input of a user terminal to issue a retrieval request compliant with a retrieval requirement, and retrieval request definition information for managing relevance between different retrieval requests. The business intelligence circuit assists input of the user terminal according to a presentation structure defined in the data dictionary to issue a retrieval request described according to the presentation structure, and outputs a retrieval result based on the retrieval request, the retrieval result being obtained from the databases, to the user terminal. The data retrieval apparatus associates retrieval results prepared in response to different retrieval requests with each other according to the retrieval request definition information.

To provide a data retrieval tool for analyzing data including inconsistency that is difficult to cope with in a single cube. This data retrieval tool is characterized in that data respectively obtained from a plurality of databases are integrated to prepare a plurality of retrieval results on the basis of different retrieval requests and a plurality of reports obtained from the plurality of retrieval results are automatically associated and manipulated, by integrating a function of a virtual database unit with a function of a business intelligence unit by means of integral software and controlling the integrated result with a single data dictionary capable of managing the associations between the different retrieval requests.

A gas treatment apparatus for treating a gas by bringing the gas into contact with a treatment liquid. The gas treatment apparatus includes a gas-liquid contact chamber for a gas-liquid contact of the gas with the treatment liquid, a storage chamber, located over the gas-liquid contact chamber, for storing the treatment liquid, and a treatment liquid supplying unit for supplying the treatment liquid stored in the storage chamber to an inside of the gas-liquid contact chamber with a gravity-drop.

Polyisocyanate production system and gas treatment apparatus

A polyisocyanate production method that can allow effective use of hydrogen chloride produced secondarily in a polyisocyanate production process, while allowing reduction of environmental burdens, and a polyisocyanate production system for performing the polyisocyanate production method. After chlorine is allowed to react with carbon monoxide to produce carbonyl chloride in a carbonyl chloride producing reactor, the carbonyl chloride produced in the carbonyl chloride producing reactor is allowed to react with polyamine in an isocyanate producing reactor to produce polyisocyanate. Then, after hydrochloric gas produced secondarily in the isocyanate producing reactor is purified in a hydrogen chloride purifying column, the purified hydrochloric gas is oxidized in a hydrogen chloride oxidizing reactor to produce chlorine. Thereafter, the chlorine thus produced is supplied to the carbonyl chloride producing reactor from a chlorine resupply line, so that it is allowed to react with carbon monoxide to produce carbonyl chloride.

Polyisocyanate production method and polyisocyanate production system

A polyisocyanate production system is provided that can stably produce chlorine from hydrogen chloride produced secondarily while reacting stably between carbonyl chloride and polyamine and can perform an effective treatment of the hydrochloric gas produced secondarily. A hydrochloric gas control unitcontrols a flow-rate control valveto keep constant an amount of hydrogen chloride supplied from a hydrogen chloride purifying tankto a hydrogen chloride oxidation reactorvia a second hydrochloric-gas connection lineto be constant, and also controls a pressure control valvebased on an inner pressure of the hydrogen chloride purifying tankinput from a pressure sensorto discharge the hydrochloric gas from the hydrogen chloride purifying tankto the hydrogen chloride absorbing columnvia a first hydrochloric-gas connection line, so as to keep an inner pressure of the hydrogen chloride purifying tankto be constant.

A detergent composition containing at least 0.1% by weight of at least one polymer selected from the group consisting of 1) a polycarboxylic acid-based polymer containing a polyalkylene glycol chain in the structure thereof, 2) a sulfonic acid group-terminated (meth)acrylic acid-based polymer, and 3) an acrylic acid (salt)-maleic acid (salt)-based copolymer having a clay dispersibility under a condition of 50 ppm of calcium carbonate of 0.3 or more; and at least 0.5% by weight of a longer alkyl chain mid-chain branched surfactant compound. The detergent composition can enhance anti-gelling properties to calcium ions, improve the dispersibility to solid particles at low temperatures or under high-hardness conditions, and improve detergency against stains such as mud and carbon black.

Specific polymer-compounded detergent composition

The present invention provides a graft polymer composition and its production process and uses, wherein the graft polymer composition is good both in the builder performance and in the compatibility with liquid detergents. The graft polymer composition comprises at least two graft polymers obtained by a process including the step of graft-polymerizing a monoethylenically unsaturated monomer component onto a main chain including a polyether portion, wherein the monoethylenically unsaturated monomer component includes an unsaturated carboxylic monomer as an essential component. And this graft polymer composition is characterized in that there is a difference of not less than 3 in number of carbon atoms in each structural unit which composes ends of the main chain on comparison between two of the at least two graft polymers.

Graft polymer composition and its production process and uses

The present invention provides: a novel water-soluble copolymer which is excellent in performance for uses, such as detergent builders, pigment dispersants, and scale inhibitors. In addition, the present invention provides: a novel liquid detergent builder which has extremely excellent compatibility, high transparency when a liquid detergent composition comprises it, and excellent detergency; and a novel liquid detergent composition comprising the liquid detergent builder. The water-soluble copolymer, according to the present invention, is a novel water-soluble copolymer obtained by copolymerizing comonomers essentially including: an unsaturated monocarboxylic acid monomer (1); an unsaturated dicarboxylic acid monomer (2); and an unsaturated alcoholic monomer (3) having specific structures, with the copolymer being characterized in that the residual amount of the unsaturated dicarboxylic acid monomer is not more than 8 weight %, and the residual amount of the unsaturated alcoholic monomer is not more than 45 weight %.

Water-soluble copolymer and its production process and use

The present invention provides a production process for a terminal-end-stabilized glyoxylic acid (salt)-based polymer, which process enables to reduce the amount of the polymerization solvent, as recovered or removed after the end of the polymerization (before the start of the hydrolysis) or after the end of the hydrolysis, without lowering the production efficiency. The production process for a terminal-end-stabilized glyoxylic acid (salt)-based polymer comprises the step of polymerizing a monomer component including a glyoxylic acid ester in order to produce the terminal-end-stabilized glyoxylic acid (salt)-based polymer, wherein a terminal end stabilizer is used as a reaction medium of the polymerization.

Production process for glyoxylic acid (salt)-based polymer

The present invention provides a novel amino-group-containing polymer (salt) and a production process therefor wherein the amino-group-containing polymer (salt) is a product by a process including the step of introducing amino groups into a grafted polymer having a polyether skeleton, and can make good use of the reactivity or cationic property of at least primary amino groups and further, according to circumstances, secondary amino groups, and further can display various performances, such as curability useful for various uses and adsorbency onto films or fibers. The novel amino-group-containing polymer (salt) is a product by a process including the steps of: carrying out a graft polymerization of a monoethylenically unsaturated monomer component onto a polyether compound, wherein the monoethylenically unsaturated monomer component includes an unsaturated carboxylic monomer as an essential component, and wherein the polyether compound has a specific repeating unit in a ratio of not less than 30 mol % and has a number-average molecular weight of not less than 150; and introducing amino groups by carrying out a ring-opening addition of an alkylenimine to at least a part of carboxyl group portions of the monoethylenically unsaturated monomer component which has been graft-polymerized onto the polyether compound, wherein at least a part of the amino groups might be neutralized with an acid.

Amino-group-containing polymer (salt) and production process therefor

Disclosed herein are clathrate hydrate inhibitors and the method of inhibiting the formation, agglomeration, and deposition of clathrate hydrate using the inhibitors. The clathrate hydrate inhibitor comprises a macromolecular compound in which 3-15 membered ring pendant is connected to the polymer main chain via a specific spacer group such as homo- or co-polymer of (meth)acryloyl pyrrolidine, pyrrolidinocarbonylethyl (meth)acrylate, 2-oxo-pyrrolidino-ethyl (meth)acrylate, glyoxyloyl pyrrolidine, pyrrolidinocarbonyl aspartate.

Growing community of inventors

Tokyo, Japan

Takuya Saeki