| TOKUYAMA CORPORATION Patent applications |
| Patent application number | Title | Published |
| 20120122006 | Power Generation System Using an Alkaline Fuel Cell and Fuel Gas for Alkaline Fuel Cells Used in the System - A power generation system includes an alkaline fuel cell provided with an electrolyte membrane which is an anion exchange membrane and a pair of electrodes (an anode and a cathode) arranged on the both sides of the electrolyte membrane. The alkaline fuel cell can generate an electric power by supplying a fuel gas and an oxidizing agent gas to the anode side and the cathode side, respectively. The power generation system uses a hydrogen gas containing a basic compound such as ammonia as the fuel gas to be supplied to the anode side. | 05-17-2012 |
| 20120107749 | RESIST PATTERN FORMING METHOD AND DEVELOPER - There are provided a method of forming a resist pattern, comprising the steps of forming a resist film containing a specific calixarene derivative on a substrate; forming a pattern latent image by selectively exposing the resist film to a high-energy beam; and developing the latent image by removing parts not exposed to the high-energy beam of the resist film with a developer containing at least one fluorine-containing solvent selected form the group consisting of a fluorine-containing alkyl ether and a fluorine-containing alcohol, and the fluorine-containing solvent as a resist developer. | 05-03-2012 |
| 20120091351 | SCINTILLATOR FOR NEUTRON DETECTION AND NEUTRON MEASUREMENT DEVICE - A neutron measurement apparatus | 04-19-2012 |
| 20120015152 | PROCESS FOR PRODUCING METALLIZED SUBSTRATE, AND METALLIZED SUBSTRATE - The present invention provides a process for producing a metalized substrate in which a predetermined metal paste composition is applied onto a sintered nitride ceramic substrate ( | 01-19-2012 |
| 20110281197 | ANION-EXCHANGE MEMBRANE AND METHOD FOR PRODUCING THE SAME - Disclosed is an anion-exchange membrane which does not easily deteriorate even when used at high temperatures in a strong alkaline atmosphere. Also disclosed is a method for producing the anion-exchange membrane. The anion-exchange membrane is a microporous membrane which is composed of a water-insoluble resin and an anion-exchange resin filling the pores of the microporous membrane. The anion-exchange resin is composed of an anion-exchange resin wherein a quaternary ammonium salt group serving as an anion-exchange group is directly bonded to an aliphatic hydrocarbon chain, said anion-exchange resin being obtained by polymerizing and crosslinking a monomer composition which contains a crosslinking agent and a monomer component including a diallyl ammonium salt. | 11-17-2011 |
| 20110250525 | SEPARATION MEMBRANE FOR DIRECT LIQUID FUEL CELL AND METHOD FOR PRODUCING THE SAME - Disclosed is a method for producing a membrane for direct liquid fuel cells, wherein a polymerizable composition is brought into contact with a porous membrane so that voids of the porous membrane are filled with the polymerizable composition, then the polymerizable composition is cured by polymerization, and after that a halogenoalkyl group in the resin membrane is converted into a quaternary ammonium group. In this method, the polymerizable composition contains (a) an aromatic polymerizable monomer having an aromatic ring wherein one polymerizable group, at least one halogenoalkyl group and a group which is inert to a reaction converting the at least one halogenoalkyl group into a quaternary ammonium group, are bonded together, (b) a crosslinkable polymerizable monomer and (c) a polymerization initiator. | 10-13-2011 |
| 20110244367 | SEPARATION MEMBRANE FOR FUEL CELL, AND METHOD FOR PRODUCTION THEREOF - Disclosed is a membrane for a fuel cell, which comprises: a polymer electrolyte membrane which comprises a cross-linked anion-exchange resin having a strongly basic anion-exchange group such as a quaternary ammonium salt group, a quaternary pyridinium salt group and a quaternary imidazolium salt group; and a polymer which is attached on at least one surface of the polymer electrolyte membrane and has a weakly acidic group such as a polyacrylic acid. Also disclosed is a method for producing the membrane. | 10-06-2011 |
| 20110244244 | COATING COMPOSITION, PROCESS FOR PRODUCING THE COMPOSITION, AND LAMINATE HAVING A HARD COAT LAYER - To provide a coating composition capable of forming a hard coat layer having excellent transparency and scratch resistance on the surface of an optical resin substrate such as a plastic lens, and exhibiting long-term storage stability. | 10-06-2011 |
| 20110243162 | INFRARED RAY TRANSMISSIVE OPTICAL MEMBER AND MANUFACTURING METHOD THEREOF, OPTICAL DEVICE, AND OPTICAL APPARATUS - An optical member made of polycrystalline silicon formed from high-purity trichlorosilane as a raw material, and that absorbs and scatters an infrared ray in a wavelength region of 4 μm or less. In the optical member, a ratio A/B between a transmittance A of an infrared ray having a wavelength of 4 μm and a transmittance B of an infrared ray having a wavelength of 10 μm is 0.9 or less, and an average crystal grain size of the polycrystalline silicon is 5 μm or less. This polycrystalline silicon is produced by hydrogen reducing SiHCI | 10-06-2011 |
| 20110207028 | Method for Producing an Anion-Exchange Membrane for a Solid Polymer Electrolyte Type Fuel Cell - An anion-exchange membrane having quaternary ammonium groups or quaternary phosphonium groups wherein halogen ions serve as the counter ions is obtained. Rather than being subjected to ion exchange with an OH-type membrane using a toxic substance such as sodium hydroxide, the halogen-type anion exchange membrane is brought into contact with a carbonate solution and/or bicarbonate solution to directly obtain an anion exchange membrane where at least some of the counterions of the quaternary ammonium groups or quaternary phosphonium groups are CO | 08-25-2011 |
| 20110195323 | Operating Method of Anion-Exchange Membrane-Type Fuel Cell - A stable, high output is obtained with an anion exchange membrane-type fuel cell that generates electricity when air is supplied. An operating method for an anion exchange membrane-type fuel cell includes an anion exchange membrane electrode assembly for which an anode is joined to one surface of a anion exchange membrane and a cathode is joined to the other surface, and air is supplied to the cathode, wherein air with a reduced carbon dioxide concentration in the atmosphere is supplied to the cathode by a low carbon dioxide air supply system that supplies air with the reduced carbon dioxide concentration to the cathode. | 08-11-2011 |
| 20110104590 | Method for Producing Ion Conductivity Providing Agent for Catalyst Electrode Layer in Anion-Exchange Membrane Type Fuel Cell - Disclosed is a method for producing an ion-conductivity providing agent for a catalyst electrode layer of an anion-exchange membrane type fuel cell comprising: producing anionic conductive resin including a quaternary onium base having a halogeno ion as its counterion, and bringing the halogen type anionic conductive resin into contact with carbonate solution and/or bicarbonate solution to directly obtain anionic conductive resin in which at least a part of the counterion of said quaternary onium base is CO | 05-05-2011 |
| 20110092362 | Porous Carbon Material and a Method of Production Thereof - Disclosed is a method for producing a porous carbon material comprising: heating a cured phenolic resin complex lump, including 150 to 450 parts by weight of sodium hydroxide and/or potassium hydroxide per 100 parts by weight of phenolic resin, at a temperature of 420 to 850° C. in a non-oxidizing atmosphere to obtain carbonized material; and washing and removing sodium hydroxide and potassium hydroxide included in the carbonized material. According to the present invention, there can be provided a porous carbon material, including large volumes of subnano-pores having a diameter of in a range of 0.45 to 1.0 nm with a sharp distribution, which is particularly useful as a gaseous adsorbent. | 04-21-2011 |
| 20110044878 | Process for Producing Silicon - A process for producing silicon comprises the steps of a reduction step [1] of depositing silicon by reacting chlorosilanes and hydrogen in a reactor under heat and discharging an exhaust gas that contains hydrogen, oligomers of silanes, and a silicon powder; a carring step [2] of carrying the exhaust gas that has been exhausted in the step [1] while keeping a temperature of the exhaust gas at not less than 105° C.; a removal step [3] of supplying the exhaust gas that has been carried in the step [2] to a filter at a temperature of not less than 105° C. and discharging the exhaust gas from the filter at a temperature of not less than 105° C. to remove the silicon powder from the exhaust gas and give a mixed gas that contains the hydrogen and the oligomers of silanes; and a separation step [4] of cooling the mixed gas that has been obtained in the step [3] to separate the hydrogen as a gas phase from the mixed gas. | 02-24-2011 |
| 20100297530 | SEPARATION MEMBRANE FOR FUEL CELL AND PRODUCTION METHOD THEREOF - Disclosed is a process for producing a diaphragm for a fuel cell comprising a modified anion exchange membrane that substantially maintains durability and hydroxide ion conductivity as an electrolyte membrane and has improved resistance to methanol permeation. The process is characterized by comprising the step of impregnating at least one side of a crosslinked hydrocarbon anion exchange membrane with a polymerizable acidic compound having a weight average molecular weight of not less than 700 and less than 8000, provided that, when the acid site in the compound has been neutralized with a counter cation, the weight of the counter cation is subtracted from the molecular weight, and polymerizing the polymerizable acidic compound. | 11-25-2010 |
| 20100291470 | SEPARATION MEMBRANE FOR SOLID POLYMER FUEL CELL AND SEPARATION MEMBRANE-CATALYST ELECTRODE ASSEMBLY - Disclosed is a membrane for polymer electrolyte fuel cells, which is composed of a hydrocarbon anion-ex-change resin membrane wherein an anion-exchange group is covalently bonded to a hydrocarbon resin, and an adhesive layer formed on at least one side of the hydrocarbon anion-exchange resin membrane. The membrane for polymer electrolyte fuel cells is characterized in that the adhesive layer is made of an anion-exchange resin having a Young's modulus of 1-1000 MPa. | 11-18-2010 |
| 20100266928 | SOLID POLYMER ELECTROLYTE FUEL CELL MEMBRANE - Disclosed is a solid polymer electrolyte fuel cell membrane comprising an anion exchange membrane that contains a hydrocarbon-based anion exchange resin, wherein the water permeability at 25° C. is 1400 g m | 10-21-2010 |
| 20100259160 | NITRIDE SINTERED BODY AND METHOD FOR MANUFACTURING THEREOF - An insulating material high both in thermal conductivity and light reflectance, and a submount high in heat radiatability for mounting an LED element thereon, capable of raising a light utilization factor and quickly radiating heat generated from the element. For example, used as a substrate material of a submount is a nitride sintered body having a reflectance of light in the wavelength region of from 350 nm to 800 nm of 50% or more and a reflectance of light with a wavelength of 700 nm of 60% or more, obtained by sintering a preform consisting of a composition containing 100 parts by mass of aluminum nitride powder and 0.5 to 10 parts by mass of a compound containing an alkaline earth metal such as 3CaO×Al2O3 in an inert atmosphere containing a specific quantity of carbon vapor, or by burning a coat of a nitride paste applied on a base substrate having a heat resistance at a predetermined temperature. | 10-14-2010 |
| 20100255304 | Aluminum Nitride Single Crystal Forming Polygonal Columns and a Process for Producing a Plate-Shaped Aluminum Nitride Single Crystal Using the Same - The present invention provides an aluminum nitride single crystal forming polygonal columns, the polygonal columns having the following properties [a] to [c]: | 10-07-2010 |
| 20100233393 | Process for Producing Aluminum Nitride Sintered Body - A process for producing an aluminum nitride sintered body having improved light transmission properties includes the step of subjecting an ordinary aluminum nitride sintered body to thermal treatment in an inert atmosphere at a temperature of from 1300 to 1400° C. for at least 1 hr. A cover for light sources is produced by the process and includes a hollow aluminum nitride sintered body having a light transmittance in the visible light region of at least 87%, which body is obtainable by thermally treating a hollow aluminum nitride sintered body in an inert atmosphere at a temperature of 1300 to 1400° C. for at least 1 hr. | 09-16-2010 |
| 20100222208 | OH-TYPE ANION-EXCHANGE HYDROCARBON-BASED ELASTOMER, USE AND PRODUCTION METHOD THEREOF - The present invention aims at providing an optimal constitution and production method for an OH-type anion-exchange hydrocarbon-based elastomer used when manufacturing a catalyst electrode layer of a solid polymer type fuel cell, in view of a balance of stability, durability and flexibility. Also, the present invention aims to provide an ion-conductivity imparting agent comprising the OH-type anion-exchange hydrocarbon-based elastomer, wherein the elastomer is uniformly dissolved or dispersed and has appropriate viscosity even with a high concentration. | 09-02-2010 |
| 20100216050 | SEPARATION MEMBRANE FOR FUEL CELL - The present invention can provide an anion exchange type separation membrane used for direct liquid fuel type fuel cell, high in heat resistance, hard to deteriorate when using and capable of obtaining high battery output. A composite membrane used as the separation membrane for fuel cell can be obtained by using a porous film, composed of a hydrolysis resistant polyimide resin such as a polyimide resin having a fluorenylidene group in a main framework, as a substrate; optionally increasing water retention characteristics for example by applying a water-retentive resin to at least a part of a surface of the porous film; and then filling an anion-exchange resin such as a cross-linked hydrocarbon-based anion-exchange resin having a quaternary ammonium group as an anion exchange group into a void portion of the porous film. | 08-26-2010 |
| 20100183898 | METALLIZED SUBSTRATE AND METHOD FOR PRODUCING THE SAME - A metallized substrate having, disposed in the order mentioned: a ceramics substrate; a high-melting point metal layer; a base nickel plating layer; a layered nickel-phosphorous plating layer; a diffusion-inhibiting plating layer; and a gold plating layer. The base nickel plating layer being any one of a nickel plating layer, a nickel-boron plating layer, or a nickel-cobalt plating layer. The diffusion-inhibiting plating layer being any one of a columnar nickel-phosphorous plating layer, a palladium-phosphorous plating layer, or a palladium plating layer. According to the above composition, even after heating the semiconductor chips in a mounted state, the metallized substrate can make the connection strength of wire bonding favorable. | 07-22-2010 |
| 20100104920 | DIAPHRAGM FOR DIRECT LIQUID FUEL CELL AND METHOD FOR PRODUCING THE SAME - The present invention discloses a membrane for direct liquid fuel cell comprising a porous film and a crosslinked hydrocarbon-based anion exchange resin filled in the pores of the porous film, in which the amino exchange resin has a quaternary ammonium group as an anion exchange group, wherein the membrane is characterized by having a membrane thickness of 5 to 60 μm, a membrane resistance as measured in a wet condition of 40° C. by an alternating impedance method, of 0.005 to 1.2 Ω·cm | 04-29-2010 |
| 20100093514 | Aluminum Nitride Sintered Body and Production Process for the Same - A high-purity aluminum nitride sintered body is provided by efficiently removing oxides contained in a raw material powder in producing an aluminum nitride sintered body and preventing composite oxide produced by reaction of oxides contained in the raw material powder with a sintering aid from remaining in the aluminum nitride sintered body. The above sintered body is achieved by an aluminum nitride sintered body having a concentration of residual oxygen excluding attached oxygen of 350 ppm or less. | 04-15-2010 |
| 20100081029 | Separating Membrane for Fuel Cell - The present invention discloses: | 04-01-2010 |
| 20100015370 | Process for Producing Integrated Body from Aluminum Nitride Sintered Body and High-Melting Point Metal Member - A process for producing integrated bodies from an aluminum nitride sintered body and a high-melting point metal member includes the steps of: (I) forming an aluminum nitride porous layer on a planned joint surface of the aluminum nitride sintered body; and (II) causing a mixture paste including aluminum nitride and a high-melting point metal to be present between the aluminum nitride porous layer and a planned joint surface of the high-melting point metal member while impregnating the porous layer with the mixture paste, and sintering the aluminum nitride and high-melting point metal in the mixture paste. | 01-21-2010 |
| 20090311450 | Tubular container made of carbon - It is an object of the present invention to prevent leakage of a raw material gas or molten silicon in a carbon columnar container which is constructed by connecting plural carbon cylindrical members to each other by a screw portion provided along the periphery of an end of each of the cylindrical members, by sealing a gap present at the connection portion through a high-reliability method that causes no cracking or the like. The carbon columnar container of the invention is a carbon columnar container constructed so as to form a multistage structure by connecting plural carbon cylindrical members to each other by a screw portion provided along the periphery of an end of each of the cylindrical members, wherein each of the cylindrical members connected to each other has such a ring-shaped plane extending from the inner peripheral wall in the diameter direction as to form a ring-shaped butt area on the inner peripheral wall side when the cylindrical members are connected, and the sum of surface roughness (Ra) of the ring-shaped planes to form the butt area is in the range of 1 to 100 μm. | 12-17-2009 |
| 20090263699 | DIAPHRAGM FOR SOLID POLYMER FUEL CELL AND MEMBRANE-ELECTRODE ASSEMBLY - The present invention discloses a membrane for polymer electrolyte fuel cell, which comprises
| 10-22-2009 |
| 20090233015 | PRINTING SHEET - A printing sheet of this invention includes a substrate sheet and a printing layer which is formed on a surface of the substrate sheet and contains a semi-solidified plaster precursor. Printing is effected on the surface of the printing layer by using, for example, an ink-jet printer. Upon effecting the printing by using the printing sheet, a highly durable image can be vividly formed featuring rugged feeling and painting-like deepness. | 09-17-2009 |
| 20090205994 | LIQUID-STORING PAPER CONTAINER MATERIAL USING MULTILAYER POLYOLEFIN FILM, AND LIQUID-STORING PAPER CONTAINER - The present invention provides a multilayer polyolefin film having a specific layered configuration that does not change the flavor or taste of contents when used as a sealant layer for the innermost surfaces of a liquid-storing paper container, and also a liquid-storing paper container material and a liquid-storing paper container that use this film. The invention has the following characteristic configuration: A multilayer polyolefin film for a liquid-storing paper container composed at least of one surface layer (a layer), another surface layer (c layer), and a middle layer (b layer); a multilayer polyolefin film for a liquid-storing paper container wherein the a layer, the b layer, and the c layer have the characteristics described below; and a liquid-storing paper container material and liquid-storing paper container that use this film.
| 08-20-2009 |
| 20090174303 | Cement - A cement for bonding an arc tube body made of an aluminum nitride sintered body and an electrode support made of molybdenum achieves high gas tightness in the obtainable arc tube without impairing the excellent translucency of the aluminum nitride sintered body. The cement contains a molybdenum powder and an aluminum nitride powder, and the total amount of metalloid elements, rare-earth elements and metal elements (except the rare-earth elements and aluminum element) corresponding to the following conditions (1) and (2) is 300 ppm or less: (1) metal elements having a melting point of 2000° C. or lower, and (2) metal elements having an ion radius smaller than that of aluminum. | 07-09-2009 |
| 20090133625 | Coating Apparatus - The present invention provides a coating apparatus which can form a stable photochromic coating film. In the invention, a centering device, a lens height measuring device, a primer fluid applicator device, a primer spinning device, a drying device, a photochromic fluid applicator device, a photochromic spinning device, a UV device and a lens transport means comprising a pair of handling devices are provided to a coating apparatus. In the coating apparatus, it is possible to produce many photochromic lenses more efficiently by arranging devices and the lens transport means in such a manner that lens support portions of the centering device, the lens height measuring device, the primer spinning device, and the lens drying device are disposed inside the track of one handling device of the lens transport means, lens support portions of the UV device are disposed inside the track of the other handling device of the lens transport means, and the lens support portion of the photochromic spinning device is disposed inside both of the tracks. | 05-28-2009 |
| 20090124957 | Method of Producing an Ion-Exchange for Iontophoresis - A method of producing an ion-exchange membrane for iontophoresis by preparing a polymerizable composition containing monomer components and non-polymerizable components which are compatible with the monomer components but do not copolymerize therewith; forming the polymerizable composition into a membrane form; polymerizing the polymerizable composition in the obtained membrane form to thereby form a membrane of a structure in which the non-polymerizable components are dispersed in the polymer having a crosslinked structure; removing the non-polymerizable components from the obtained membrane; and, as required, introducing ion-exchange groups into the polymer. The ion-exchange membrane obtained by the above method is applied to an iontophoresis device. When an ionic medicine contained in a medicine-containing portion of the device is permeated into a living body by the electrophoresis through the ion-exchange membrane, not only ionic medicines having small formula weights but also medicinal ions of formula weights of about 500 to about 1,000 can be efficiently administered into the living body. | 05-14-2009 |
| 20090088312 | Aluminum Nitride Sinter, Slurry, Green Object, and Degreased Object - An aluminum nitride sinter includes aluminum nitride crystal grains and a grain boundary phase derived from a sintering aid. In any cross section in a surface region extending up to 100 μm from the surface of the sinter, the proportion of the area of a grain boundary phase having a circumscribed circle diameter of 1 μm or less to the total area of the grain boundary phase is at least 50%, and the average grain diameter of the aluminum nitride crystal grains is in the range of 3.0 to 7.0 μm. This aluminum nitride sinter can be produced from an aluminum nitride slurry having a specific grain size distribution, an aluminum nitride green object having a specific submerged density, or an aluminum nitride degreased object having a specific pore diameter. | 04-02-2009 |
| 20090041961 | Aluminum Nitride Sintered Body - Provided is an aluminum nitride sintered body with high optical transmissivity and which has a smooth surface in the unpolished condition after firing. The aluminum nitride sintered body has an oxygen concentration of 450 ppm or less, a concentration of impurity elements excluding oxygen, nitrogen, and aluminum of 350 ppm or less, and an average crystal grain diameter of between 2 μm and 20 μm, and also has an arithmetic mean surface height Ra of 1 μm or less and a maximum height Rz of 10 μm or less in the unpolished condition after firing. | 02-12-2009 |
| 20090023948 | Method for Producing Fluorine-Containing Alkyl (Meth)Acrylate - The present invention discloses a method for producing a fluorine-containing alkyl (meth)acrylate represented by the following general formula (2): | 01-22-2009 |
| 20080300128 | Process for Producing an Aluminum Nitride Sintered Body - An aluminum nitride sintered body having resistance to plasma gas and high thermal conduction and having excellent optical properties. The aluminum nitride sintered body of the present invention is characterized in that the proportion of positrons which are annihilated within a period of 180 ps (picoseconds) in the aluminum nitride crystal, as determined in the defect analysis using a positron annihilation method, is not less than 90%, and the sintered body preferably has a thermal conductivity of not less than 200 W/mK. | 12-04-2008 |
| 20080293011 | Tissue Conditioner for Dental Use - A mucosal adjustment material comprising a combination of a powdery material (a) and a liquid material (b), characterized especially in that a noncrosslinked (meth)acrylic polymer powder having a Tg in the range of 0-60° C., e.g., polybutyl methacrylate, is used as the powdery material and a liquid polymer which has a mass-average molecular weight of 1,000-10,000 and in which the content of oligomers having a molecular weight of 500 or lower is 10 mass % or lower is used as the liquid material. Such powdery material and liquid material are kneaded together to prepare a paste, which is applied to a denture base and used as a temporary relining material. This mucosal adjustment material in a paste form is reduced in the amount of ingredients eluted from the material during use in the mouth. In an ordinary use period, the relining material retains its initial flexibility and does not deteriorate the denture base. | 11-27-2008 |
| 20080286583 | Coating Composition and Production Process Thereof - A process for producing a composition comprising (A) a metal oxide sol containing an amine compound, such as diisopropylamine, (B) a polycondensable silicon compound having an epoxy group, such as γ-glycidoxypropyltrimethoxysilane, and (C) a curing catalyst such as tris(2,4-pentanedionato)aluminum (III), the process comprising the steps of:
| 11-20-2008 |
| 20080284309 | Nitride Sintered Body and Method for Manufacturing Thereof - An insulating material high both in thermal conductivity and light reflectance, and a submount high in heat radiatability for mounting an LED element thereon, capable of raising a light utilization factor and quickly radiating heat generated from the element. For example, used as a substrate material of a submount is a nitride sintered body having a reflectance of light in the wavelength region of from 350 nm to 800 nm of 50% or more and a reflectance of light with a wavelength of 700 nm of 60% or more, obtained by sintering a preform consisting of a composition containing 100 parts by mass of aluminum nitride powder and 0.5 to 10 parts by mass of a compound containing an alkaline earth metal such as 3CaO×Al2O3 in an inert atmosphere containing a specific quantity of carbon vapor, or by burning a coat of a nitride paste applied on a base substrate having a heat resistance at a predetermined temperature. | 11-20-2008 |
| 20080271847 | Gas diffusion electrode assembly, bonding method for gas diffusion electrodes, and electrolyzer comprising gas diffusion electrodes - In a gas diffusion electrode assembly, and in an electrolyzer using the same, a bonding piece having on at least one surface a perfluorosulfonic acid layer, a perfluorosulfonyl fluoride layer or an alkyl ester of perfluorocarboxylic acid layer is positioned at its perfluoro compound layer surface with respect to the gas diffusion electrode assembly. Adjacent gas diffusion electrodes are heat fusion bonded together, or heat fusion bonding is carried out using the bonding piece in a frame form. Adjacent gas diffusion electrodes are sealed up by heat fusion bonding, using a material that is similar to the material that forms the gas diffusion electrodes. | 11-06-2008 |
| 20080241372 | Coating Agent Composition - A coating agent composition obtained by mixing fine inorganic oxide particles, a polymerizable alkoxysilane compound, a polymerizing catalyst, an acid aqueous solution and an organic solvent, and satisfying the following conditions (1) to (3):
| 10-02-2008 |
| 20080226960 | Separation Membrane for Fuel Battery and Process for Producing the Same - There are disclosed a membrane for a fuel cell in which voids in a porous membrane are filled with a crosslinking type ion exchange resin having both cation-exchange group and anion-exchange group via a covalent bond, wherein the ion exchange resin has ion-exchange groups with either polarity more than ion-exchange groups with the opposite polarity and at least 40% of the ion-exchange groups of the opposite polarity form ion complexes with the ion-exchange groups of the major polarity, as well as a producing process therefor. | 09-18-2008 |
| 20080226883 | Photochromic Optical Article and Method of Producing the Same - A photochromic optical article comprising an optical substrate having a photochromic layer which is formed on at least one surface thereof and contains a photochromic compound is dispersed in a resin, and a thin metal oxide layer formed on the photochromic layer, wherein an indenonaphthopyran compound is used as the photochromic compound, the photochromic layer having a thickness of 30 to 50 μm, and the thin metal oxide layer has a thickness of 0.01 to 10 μm. The photochromic optical article has excellent photochromic properties, effectively suppresses a decrease in the photochromic properties caused by deterioration due to oxidation and features very excellent photochromic light resistance. | 09-18-2008 |
| 20080213163 | Method for Producing BaLiF3 Single Crystal - Disclosed is a method for producing a BaLiF | 09-04-2008 |
| 20080200697 | Process for the preparation of 1-aryl-3,4-dihydro-1H-naphthalene-2-one - 1-aryl-3,4-dihydro-1H-naphthalene-2-one is prepared by isomerizing an epoxy compound represented by the following general formula, | 08-21-2008 |