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DAICEL CORPORATION

DAICEL CORPORATION Patent applications
Patent application numberTitlePublished
20130116212OIL-BASED GEL-LIKE COMPOSITION - There is provided a gel-forming agent which is easily prepared and has all of high safety in the living body and the environment, good gel-forming capability, excellent use feeling, and good handleability.05-09-2013
20130102734PHOTOSEMICONDUCTOR PROTECTIVE MATERIAL AND PRECURSOR THEREOF, AND PROCESS FOR PRODUCING PHOTOSEMICONDUCTOR PROTECTIVE MATERIAL - A photosemiconductor protective material comprising a chain olefin-cyclic olefin copolymer elastomer composed of a chain olefin and a cyclic olefin as polymerizable components is prepared. The elastomer may comprise an α-chain C04-25-2013
20130089734LAMINATION FILM AND PROCESS FOR PRODUCING THE SAME, AS WELL AS ELECTRONIC DEVICE - A lamination film for an electronic device, having excellent gas-barrier properties (e.g., barrier properties against water vapor), is provided.04-11-2013
20130065986CURABLE RESIN COMPOSITION AND CURED ARTICLE THEREOF - A curable resin composition essentially includes an epoxy compound (A) having an oxycyclohexane skeleton including a cyclohexane ring and an epoxy group bound thereto through a single bond; an alicyclic epoxy compound (B) having two or more alicyclic epoxy groups per molecule; at least one bisphenol diepoxy compound (C) selected from bisphenol-A epoxy resins and bisphenol-F epoxy resins; a polyglycidyl ether of an aliphatic polyhydric alcohol (D); and a curing agent (E). The curable resin composition can give a cured article which has extremely superior moisture resistance, and, when used typically as an LED sealant, does not cause reduction in luminous flux even under hot and humid conditions. The cured article also has satisfactory cracking resistance and thermal stability in heat cycles.03-14-2013
20130035465RADICAL POLYMERIZABLE RESIN, RADICAL POLYMERIZABLE RESIN COMPOSITION, AND CURED PRODUCT THEREOF - Provided is a radically polymerizable resin which has a low viscosity, has excellent workability, and is rapidly cured upon application of heat and/or light to form a cured product having excellent flexibility and thermal stability. The radically polymerizable resin composition is obtained by cationic polymerization of an oxetane-ring-containing (meth)acrylic ester compound represented by following Formula (1) alone or in combination with another cationically polymerizable compound. In Formula (1), R02-07-2013
20130030078RADICAL-POLYMERIZABLE RESIN, RADICAL-POLYMERIZABLE RESIN COMPOSITION, AND CURED MATERIAL THEREOF - Provided is a radical-polymerizable resin capable of giving a cured material which is satisfactorily flexible, can relax stress upon usage as an adhesive, and does not cause disadvantages such as separation at the adhesive interface or breakage of an adherend, which stress occurs between the adhesive and the adherend upon heating or cooling and is caused by difference in coefficient of thermal expansion between them.01-31-2013
20130026458CROSSLINKABLE COMPOSITION - To provide a composition (e.g., a coating composition) useful for forming an organic semiconductor having excellent conductivity, solvent resistance, heat resistance, durability, and other properties, and an organic semiconductor formed with the composition.01-31-2013
20130020117LAMINATED BODY COMPRISING POROUS LAYER AND FUNCTIONAL LAMINATE USING SAME - A layered body which includes a porous layer. The layered body having improved properties, such as adhesion between its substrate and its porous layer by the formation of a crosslinked structure; a functional laminate using the porous layer layered body; and a production processes thereof. The layered body includes a base and the porous layer on at least one surface of the base. The base is a resin film made of at least one resin material of polyimide resins, polyamideimide resins, polyamide resins, and polyetherimide resins, or is a metal foil piece, and the porous layer is made of a composition containing at least one polymer of polyimide resins, polyamideimide resins, polyamide resins, and polyetherimide resins as a main component, and a crosslinking agent. Additionally, the porous layer has fine pores having an average pore diameter of 0.01 to 10 μm, and a porosity of 30 to 85%.01-24-2013
20120276606RECOMBINANT MICROORGANISMS WITH 1,3-BUTANEDIOL-PRODUCING FUNCTION AND USES THEREOF - An objective of the present invention is to provide recombinant microorganisms efficiently producing optically active 1,3-butanediol, which is useful as a material for synthesizing pharmaceuticals and such, and provide methods for efficiently producing optically active 1,3-butanediol using the recombinant microorganisms. As a result of dedicated research for achieving the above objective, the present inventors succeeded in producing recombinant microorganisms in which the activity of an enzyme catalyzing the reduction reaction represented by Formula 1 is enhanced and which produce a diol compound represented by Formula 2.11-01-2012
20120261040GAS-GENERATING AGENT COMPOSITION - There is provided a gas-generating agent composition having a very small pressure exponent and an extremely low pressure dependence of the burning rate. The gas-generating agent composition of the present invention contains a nitrogen-containing organic compound as a fuel and ammonium nitrate as an oxidizing agent, wherein the ratio of the nitrogen-containing organic compound to the ammonium nitrate (the former/the latter: weight ratio) is 35/65 or less. In the gas-generating agent composition, a copper compound may be further blended in a proportion of more than 0 part by weight and 30 parts by weight or less based on 100 parts by weight of the total amount of the nitrogen-containing organic compound and ammonium nitrate. The copper compound is preferably basic copper nitrate. Further, the nitrogen-containing organic compound is preferably a guanidine derivative, particularly preferably a guanidine nitrate.10-18-2012
20120248498CURABLE EPOXY RESIN COMPOSITION - Provided are: a curable epoxy resin composition including an alicyclic epoxy compound (A), a monoallyl diglycidyl isocyanurate compound (B) represented by following Formula (1) where each of R10-04-2012
20120132515RUTILE TITANIUM DIOXIDE NANOPARTICLES EACH HAVING NOVEL EXPOSED CRYSTAL FACE AND METHOD FOR PRODUCING SAME - Provided are: novel rutile titanium dioxide nanoparticles each having a high photocatalytic activity; a photocatalyst including the rutile titanium dioxide nanoparticles; and a method for oxidizing an organic compound using the photocatalyst. The rutile titanium dioxide nanoparticles each have an exposed crystal face (001). The rutile titanium oxide nanoparticles may be produced by subjecting a titanium compound to a hydrothermal treatment in an aqueous medium in the presence of a hydrophilic polymer. A polyvinylpyrrolidone, for example, is used as the hydrophilic polymer. An organic compound having an oxidizable moiety can be oxidized with molecular oxygen or a peroxide under photoirradiation in the presence of the photocatalyst including the rutile titanium oxide nanoparticles.05-31-2012

Patent applications by DAICEL CORPORATION