Patent application number | Description | Published |
20100098756 | ORAL DISINTEGRATING TABLET - An oral disintegrating tablet containing (1) D-mannitol, (2) an active ingredient, (3) one or more disintegrating agents selected from the group consisting of crospovidone and carmellose, and (4) one or more lubricants selected from the group consisting of sodium stearyl fumarate and sucrose esters of fatty acids. The oral disintegrating tablet of the present invention has some excellent properties of (1) allowing easy production in a common facility without necessitating a specialized pharmaceutical technique, (2) having an appropriate strength that does not breakdown in the process of distribution, (3) having a fast disintegrating ability in the oral cavity, and (4) also having excellent ingestion feel such as greatly reduced bitterness or gritty feel; therefore, the tablet can be suitably used as a dosage form that is suitable for aged individuals, children, and seriously ill patients. | 04-22-2010 |
20110027692 | PROTON-CONDUCTIVE POLYMER ELECTROLYTE MEMBRANE, METHOD OF MANUFACTURING THE PROTON-CONDUCTIVE POLYMER ELECTROLYTE MEMBRANE, AND MEMBRANE-ELECTRODE ASSEMBLY AND POLYMER ELECTROLYTE FUEL CELL USING THE PROTON-CONDUCTIVE POLYMER ELECTROLYTE MEMBRANE - A method of manufacturing a proton-conductive polymer electrolyte membrane using polyvinyl alcohol (PVA) as a base material and having excellent proton conductivity and methanol blocking properties is provided. The method includes: heat-treating a precursor membrane including PVA and a water-soluble polymer electrolyte having a proton conductive group to proceed crystallization of the PVA; and chemically crosslinking the heat-treated precursor membrane with a crosslinking agent reactive with the PVA, to form a polymer electrolyte membrane in which a crosslinked PVA is a base material and protons are conducted through the electrolyte retained in the base material. The content of a water-soluble polymer except the PVA and the water-soluble polymer electrolyte in the precursor membrane is in a weight ratio of less than 0.1 with respect to the PVA. | 02-03-2011 |
20110039185 | ELECTROLYTE MEMBRANE FOR POLYMER ELECTROLYTE FUEL CELL AND METHOD OF MANUFACTURING THE SAME - An electrolyte membrane ( | 02-17-2011 |
20120129075 | PROTON-CONDUCTIVE POLYMER ELECTROLYTE MEMBRANE, AND MEMBRANE-ELECTRODE ASSEMBLY AND POLYMER ELECTROLYTE FUEL CELL USING THE SAME - Provided is a polyimide-based proton-conductive polymer electrolyte membrane having high methanol permeation resistance property (methanol blocking property). The proton-conductive polymer electrolyte membrane includes, as a main component, a polyimide resin formed by polycondensation of a tetracarboxylic dianhydride, a first aromatic diamine having a proton-conductive group, and a second aromatic diamine having no proton-conductive group. The second aromatic diamine has a fused ring skeleton composed of three or more rings. This electrolyte membrane is suitable for use in a polymer electrolyte fuel cell (PEFC), in particular in a direct methanol fuel cell (DMFC). | 05-24-2012 |
20130171541 | POLYIMIDE, POLYIMIDE-BASED POLYMER ELECTROLYTE MEMBRANE, MEMBRANE-ELECTRODE ASSEMBLY, AND POLYMER ELECTROLYTE FUEL CELL - The present invention provides a novel polyimide containing a diamine component having a fluorene skeleton and a novel polyimide-based polymer electrolyte membrane containing this polyimide as a main component and having properties based on this polyimide (for example, high resistance to methanol crossover). The polyimide of the present invention contains a structural unit (P) represented by the following formula (1). The polyimide-based polymer electrolyte membrane of the present invention contains the polyimide of the present invention as a main component. | 07-04-2013 |
20130266886 | ION CONDUCTIVE ORGANIC-INORGANIC COMPOSITE PARTICLES, PARTICLE-CONTAINING RESIN COMPOSITION AND ION CONDUCTIVE MOLDED ARTICLE - Ion conductive organic-inorganic composite particles are particles that have an organic group on the surface of inorganic particles and have at least a configuration that does not allow the inorganic particles to contact with each other by steric hindrance of the organic group, the organic group containing an ion conductive group. | 10-10-2013 |
20130288156 | POLYIMIDE, POLYIMIDE-BASED POLYMER ELECTROLYTE MEMBRANE, MEMBRANE-ELECTRODE ASSEMBLY, AND POLYMER ELECTROLYTE FUEL CELL - The present invention provides a novel polyimide containing a diamine component that has a fluorene skeleton having a sulfonic acid group or a derivative thereof, and a novel polyimide-based polymer electrolyte membrane containing this polyimide as a main component and having properties based on this polyimide (for example, a good balance between the resistance to methanol crossover and the proton conductivity). The polyimide of the present invention contains a structural unit (P) represented by the following formula (1). The polymer electrolyte membrane of the present invention contains this polyimide as a main component. | 10-31-2013 |
20130295488 | POLYMER ELECTROLYTE MEMBRANE, METHOD FOR PRODUCING THE SAME, MEMBRANE-ELECTRODE ASSEMBLY USING THE SAME, AND FUEL CELL USING THE SAME - Provided are a polymer electrolyte membrane exhibiting a relatively high ion conductivity, and a method for producing the polymer electrolyte membrane. | 11-07-2013 |
20140165837 | METHOD FOR MANUFACTURING CARBON DIOXIDE SEPARATION MEMBRANE, AND CARBON DIOXIDE SEPARATION MEMBRANE - The present invention provides a carbon dioxide separation membrane having a grafted chain into which a substituent having high selective affinity for carbon dioxide is introduced and thus having high carbon dioxide separation capability. The present invention is a method for producing a carbon dioxide separation membrane. This method includes the steps of: (1) irradiating a polymer film with radiation; (2) forming, in the irradiated polymer film, a grafted chain containing a repeating unit of a monomer having a substituent capable of forming a salt with a fluoride ion; and (3) subjecting the substituent capable of forming a salt with a fluoride ion to treatment with a fluoride salt so as to form a salt with a fluoride ion in the substituent. | 06-19-2014 |
20140370417 | ANION EXCHANGE MEMBRANE, METHOD FOR PRODUCING THE SAME, AND FUEL CELL USING THE SAME - A method of the present invention for producing an anion exchange membrane includes the steps of: (i) irradiating a first polymer film with radiation; and (ii) graft-polymerizing a monomer containing a site into which a functional group having anion conducting ability can be introduced and an unsaturated carbon-carbon bond onto the radiation-irradiated first polymer film so as to form a second polymer film containing grafted chains. This method further includes the subsequent steps of: (a) subjecting the second polymer film to a treatment including irradiation with radiation so as to introduce a crosslinked structure into the grafted chains; and (b) introducing the functional group having anion conducting ability into the site. | 12-18-2014 |
Patent application number | Description | Published |
20100273260 | CELL CULTURE SUBSTRATE AND PROCESS FOR PRODUCING THE SAME AND METHOD FOR CULTURING CELLS - The present invention relates to a cell culture substrate in which a polymer chain having a hydrophilic skeleton is grafted onto a surface of polystyrene or poly(ε-caprolactone) having a water contact angle of from 75° to 100°. This cell culture substrate has excellent efficiency of cell culture without the necessity of immobilization and adsorption of a cell adhesion substance on a surface of a substrate. | 10-28-2010 |
20110027362 | TABLET HAVING IMPROVED ELUTION PROPERTIES - The present invention provides a tablet having improved dissolution property, which comprises (+)-3-{1-[3-(trifluoromethoxy)benzyl]piperidin-4-yl}-4-phenyl-3,4-dihydro-2(1H)-quinazolinone or a pharmaceutically acceptable salt thereof as an active component, and a production method thereof. | 02-03-2011 |
20140135352 | TABLET HAVING IMPROVED ELUTION PROPERTIES - The present invention provides a tablet having improved dissolution property, which comprises (+)-3-{1-[3-(trifluoromethoxy)benzyl]piperidin-4-yl}-4-phenyl-3,4-dihydro-2(1H)-quinazolinone or a pharmaceutically acceptable salt thereof as an active component, and a production method thereof. A film-coated tablet obtained by mixing granulated particles obtained by granulating a mixture containing (a) the aforementioned active component, (b) one or more kinds of fillers selected from lactose, D-mannitol, erythritol and crystalline cellulose, (c) a cellulose-based disintegrant and (d) a water-soluble binder with a later powder containing (e) one or more kinds of fillers selected from lactose, D-mannitol and crystalline cellulose and/or (f) a cellulose-based disintegrant, forming the mixture, and applying film coating. A production method of a film-coated tablet, including a step of producing the granulated particles, a step of producing a tablet by mixing with the later powder and forming the mixture, and a step of applying a film coating to the obtained tablet. | 05-15-2014 |
20140300025 | ORAL DISINTEGRATING TABLET - An oral disintegrating tablet containing (1) D-mannitol, (2) an active ingredient, (3) one or more disintegrating agents selected from the group consisting of crospovidone and carmellose, and (4) one or more lubricants selected from the group consisting of sodium stearyl fumarate and sucrose esters of fatty acids. The oral disintegrating tablet of the present invention has some excellent properties of (1) allowing easy production in a common facility without necessitating a specialized pharmaceutical technique, (2) having an appropriate strength that does not breakdown in the process of distribution, (3) having a fast disintegrating ability in the oral cavity, and (4) also having excellent ingestion feel such as greatly reduced bitterness or gritty feel; therefore, the tablet can be suitably used as a dosage form that is suitable for aged individuals, children, and seriously ill patients. | 10-09-2014 |