Daicel Chemical Industries, Ltd. Patent applications |
Patent application number | Title | Published |
20120165516 | FILLER FOR OPTICAL ISOMER SEPARATION - A filler for optical isomer separation which: allows a polymer compound derivative to be immobilized on the surface of a carrier at a high ratio and is excellent in optical separation ability. The filler is characterized in that the filler is obtained by modifying part of the hydroxy or amino groups of a polymer compound having hydroxy or amino groups with molecules of a compound represented by the following general formula (I): A-X—Si(Y) | 06-28-2012 |
20120142050 | NOVEL EXPRESSION VECTOR - The present inventors constructed a transformation system which uses as a host the | 06-07-2012 |
20120090493 | INFLATOR - An inflator ( | 04-19-2012 |
20120044550 | TRANSMISSION TYPE VOLUME HOLOGRAM RECORDING MEDIUM AND MANUFACTURING METHOD THEREOF - Provided is a transmission-type volume hologram recording medium for use in a two-beam hologram recording system, which has a high diffraction efficiency and is capable of significantly reducing the intensity of higher-order diffracted light, which causes a noise, than first-order diffracted light. | 02-23-2012 |
20110287494 | PROCESS FOR PRODUCTION OF OPTICALLY ACTIVE AMINE DERIVATIVE - Novel enzymes that stereoselectively reduce imine derivatives were isolated and purified, and polynucleotides encoding the enzymes were cloned. Optically active amine derivatives were produced by acting on imine derivatives with a culture of microorganisms having the ability to stereoselectively reduce the compounds, microbial cells or processed products thereof, and/or imine reductases thereof, followed by collecting the generated optically active amine derivatives. The present invention enables, for example, production of an optically active compound represented by formula (IV): | 11-24-2011 |
20110262977 | PROCESS FOR PRODUCTION OF OPTICALLY ACTIVE AMINE DERIVATIVE - Optically active amine derivatives are produced by acting on imine derivatives with a culture of microorganisms having the ability to stereoselectively reduce the compounds, microbial cells, or processed products thereof, followed by collecting the generated optically active amine derivatives. Optically active amine derivatives obtained in the present invention are useful as materials for pharmaceutical agents. The present invention enables, for example, production of an optically active compound represented by formula (IV): | 10-27-2011 |
20110259234 | GAS GENERATOR FOR RESTRAINING DEVICE OF VEHICLE - The present invention provides a filterless gas generator, including, a housing having closure shell, a diffuser shell including a gas discharge ports, and a flange portion, an inner tube member defining a combustion chamber in an outside thereof for accommodating a gas generating agent,
| 10-27-2011 |
20110253000 | GAS GENERATOR FOR RESTRAINING DEVICE OF VEHICLE - The present invention provides a filterless gas generator, including a housing having a closure shell, a diffuser and a flange portion, an inner tube member accommodating an igniter coaxially with the central axis of the housing, an opening end of the inner tube member located in a bottom plate of the closure shell and a ventilating portion formed at the opening end, | 10-20-2011 |
20110244394 | METHOD FOR PRODUCING RESIN SOLUTION FOR PHOTORESIST, PHOTORESIST COMPOSITION, AND PATTERN-FORMING METHOD - Disclosed is a method for producing a resin solution for photoresists, which includes the steps of heating and thereby aging a solution at 30° C. to 90° C. for 30 minutes or longer, the solution containing, in a solvent, a photoresist resin capable of being alkali-soluble by the action of an acid; and filtering the aged solution through a filter medium having a pore size of 1 μm or less. The method gives a photoresist composition having good filterability which enables uniform patterning. The method also gives a resin solution for photoresists which is stable over a long time, namely, a resin solution for photoresists which maintains good filterability even after long-term storage. | 10-06-2011 |
20110221175 | GAS GENERATOR FOR RESTRAINING DEVICE OF VEHICLE - A gas generator including:
| 09-15-2011 |
20110193330 | GAS GENERATOR FOR RESTRAINING DEVICE OF VEHICLE - The present invention provides a gas generator including,
| 08-11-2011 |
20110023898 | METHOD OF PACKAGING A COMPRESSED FILTER TOW BALE - The present invention provides a packaging method for a filter tow bale, including excessively compressing a distance between press bases to a height lower than a desired height of a packaged bale by 50 to 250 mm, more preferably 80 to 200 mm, further preferably 90 to 180 mm, then adjusting the distance between the press bases to the desired height in a packaged or non-packaged state, and then releasing a pressing force applied on a pressed bale. | 02-03-2011 |
20100078098 | GAS GENERATING COMPOSITION FOR INFLATOR CONTAINING MELAMINE CYANURATE - To provide a gas generating composition for air bag which is low in toxicity, large in burning rate, and low in combustion temperature. Gas generating compositions comprising (a) melamine cyanurate or a mixture of melamine cyanurate and nitrogen-containing organic compound and (b) oxygen-containing oxidant, and gas generating compositions comprising (c) binder and (d) additive are provided. | 04-01-2010 |
20090274961 | Photosensitive composition for volume type hologram memory - To provide photosensitive composition for volume type hologram memory with superior photosensitivity and large differences in reflective index before and after photo-curing and with controllable curing shrinkage. The photosensitive composition for volume type hologram memory of the present invention comprises a photo-curable volume expansion compound and a photoinitiator. According to the photosensitive composition for volume type hologram memory of the present invention, a composition of superior photosensitivity and large differences in reflective index before and after photo-curing and controllable curing shrinkage with photo-curable volume expansion composition can be provided. | 11-05-2009 |
20090239958 | POLYGLYCEROL ALKYL ETHER TYPE NONIONIC SURFACTANT - Disclosed is a polyglycerol alkyl ether nonionic surfactant which is a nonionic surfactant composed of polyglycerol alkyl ethers and has a polyglycerol monoalkyl ether content of 75 percent by weight or more and a polyglycerol dialkyl ether content of 5 percent by weight or less. This nonionic surfactant is an aliphatic nonionic surfactant, is thereby environmentally friendly, has a superior surface activity equivalent to those of aromatic nonionic surfactants, exhibits a superior emulsifying activity stably over time, and is satisfactorily usable in general purposes. | 09-24-2009 |
20090209012 | Method for producing l-amino acids - Disclosed is a process for producing the L-form of an amino acid enzymatically from an enantiomeric mixture of the amino acid. The process includes the step of contacting a transformant or a treated product thereof with an enantiomeric mixture of the amino acid. The transformant includes a single host and one or more recombinant vectors introduced thereinto, in which the one or more recombinant vectors include one or more expression vectors and nucleotide sequences integrated thereinto respectively, and the nucleotide sequences are a nucleotide sequence encoding an enzyme capable of converting the D-form of an amino acid into a keto acid and a nucleotide sequence encoding an enzyme capable of converting a keto acid into the L-form of an amino acid. According to this process, a reaction for converting the D-form of an amino acid into a keto acid and a reaction for converting the keto acid into the L-form of the amino acid can be conducted in a single step. Disclosed also is a transformant capable of converting into the L-form of an amino acid as accumulated in a high concentration. The L-form of an amino acid can be efficiently produced from an inexpensive starting material by using the transformant. | 08-20-2009 |
20090203096 | Process for Production of Optically Active Alcohol - The present invention provides methods for producing (S)-1,1,1-trifluoro-2-propanol, which include the step of reacting an enzyme of any one of alcohol dehydrogenase CpSADH, alcohol dehydrogenase ReSADH, carbonyl reductase ScoPAR, (2S,3S)-butanediol dehydrogenase ZraSBDH, carbonyl reductase ScGCY1, tropinone reductase HnTR1, tropinone reductase DsTR1, or alcohol dehydrogenase BstADHT, a microorganism or a transformant strain that functionally expresses the enzyme, or a processed material thereof, with 1,1,1-trifluoroacetone. The present invention also provides methods for producing (R)-1,1,1-trifluoro-2-propanol, which include the step of reacting alcohol dehydrogenase PfODH, a microorganism or a transformant strain that functionally expresses the enzyme, or a processed material thereof, with 1,1,1-trifluoroacetone. | 08-13-2009 |
20090163674 | Polyester-Series Resin Composition and Molded Article - A polyester-series resin composition comprises (A) a polyester block copolymer and (C) a polycarbodiimide compound, and if necessary (B) a polyepoxy compound. The copolymer (A) is obtainable by reaction of (a1) a crystalline aromatic polyester and (a2) a lactone, and if necessary (a3) at least one compound selected from the group consisting of a polycarboxylic acid or an ester-formable derivative thereof and a polyol or an ester-formable derivative thereof in the presence of a phosphorous ester. Such a resin composition is particularly excellent in recycling efficiency and is useful for blow molding. The resin composition has a high hydrolysis resistance and an excellent heat resistance (particularly thermal cycling resistance). | 06-25-2009 |
20090091110 | Gas generator for restraining device - The present invention provides a gas generator for a restraining device, including a housing formed by joining and integrating a diffuser shell having a gas discharge port and a closure shell, a gas generating agent, an igniter and a cylindrical filter, accommodated inside the housing,
| 04-09-2009 |
20090085335 | Inflator - The invention relates to an inflator including:
| 04-02-2009 |
20090062525 | METHOD OF ADJUSTING THE DEGREE OF SUBSTITUTION WITH ACETYL GROUP OF CELLULOSE ACETATE - A process for adjusting an intermolecular or intramolecular degree of acetyl substitution of cellulose acetate is disclosed. The process comprises ripening cellulose acetate in the presence of a catalyst, an acetyl donor, and water or an alcohol. The amount of water and the alcohol is in the range of 0.1 to 10 mol % based on the amount of the acetyl donor. | 03-05-2009 |
20090051152 | Tubular part - The present invention relates to a tubular part for fixing and holding a fixing object part inserted therein, the fixing object part being fixed by inwardly crimping a circumferential wall on a side of one end opening of the tubular part,
| 02-26-2009 |
20090043088 | Cellulose Ester and Production Method Thereof - A cellulose ester and film thereof useful for remarkably improving optical properties such as optical isotropy are provided. The cellulose ester is adjusted so that the degree of substitution is from 2.90 to 2.965, the total of degrees of substitution at 2- and 3-positions is not less than 1.97, and the half height width of chemical composition expressed in degree of substitution is not more than 0.09. Such a cellulose ester maybe produced by a method for producing a cellulose ester, which comprises (i) an acylating step for acylating a cellulose with an acylating agent in the presence of a sulfuric acid catalyst, and (ii) a hydrolyzing step for hydrolyzing the acylated product in the presence of a sulfuric acid catalyst, and in which the acylation carried out with from 1.40 to 2.0 molar equivalents of the acylating agent relative to 1 mol of a hydroxyl group in the cellulose in the presence of 6.5 to 9.5 parts by weight of the sulfuric acid catalyst relative to 100 parts by weight of the cellulose in the acylating step (i). | 02-12-2009 |
20090036710 | Process For Producing Carboxylic Acid - A process for producing a purified carboxylic acid having “n+1” carbon atoms comprises feeding a carboxylic acid stream containing a carboxylic acid having “n+1” carbon atoms, a hydrogen halide, a lower boiling point (bp) component, a higher bp component, and others to a first distillation column; separating a lower bp fraction containing part of the lower bp component and a higher bp fraction containing part of the higher bp component in the first column; withdrawing a side stream containing at least the carboxylic acid by side cut from the first column; feeding the side stream to a second distillation column; separating a lower bp fraction containing part of the lower bp component and a higher bp fraction containing part of the higher bp component in the second column; and withdrawing a side stream containing the carboxylic acid by side cut from the second column to recover a purified carboxylic acid; and the process further comprises feeding at least one first component (A) selected from the group consisting of an alcohol, corresponding to the carboxylic acid, having “n” carbon atom(s), and an ester of the alcohol with the carboxylic acid to the first column, and if necessary water. Such a process ensures reduction of the concentration of the hydrogen halide in the purified carboxylic acid. | 02-05-2009 |
20090022948 | Anti-Glare Film - An anti-glare film comprising an anti-glare layer which comprises a matrix comprising a polymer, and a plurality of domains which are phase-separated from the matrix and comprise a polymer is prepared, and in the anti-glare film, the domains and the matrix form an uneven surface in the anti-glare layer, and the film varies an image clarity measured by an image clarity measuring apparatus provided with an optical slit depending on an installation direction of the film with respect to the optical slit. In the film, in an image clarity measured by an image clarity measuring apparatus provided with an optical slit of 0.5 mm width, the difference (absolute value) of the image clarity before and after changing the installation direction of the film with respect to the optical slit by 90 degrees may be about 1 to 30. Such an anti-glare film can inhibit reflection of an exterior light or dazzle and makes a display image clear or sharp. | 01-22-2009 |
20080261286 | Methods for producing optically active alpha-hydroxy amides - An objective of the present invention is to provide efficient methods for producing (R)-2-chloromandelamide with high optical purity. Another objective of the present invention is to provide novel methods for producing α-ketoamide reductases that reduce 2-chlorobenzoyl formamide to (R)-2-chloromandelamide with high optical purity, using NADPH as the coenzyme. | 10-23-2008 |
20080257195 | Gas generator - The present invention provides a gas generator comprising:
| 10-23-2008 |
20080238058 | ACTUATOR - The present invention provides an actuator including:
| 10-02-2008 |
20080214866 | Distillation Process - A mixture containing hydrogen iodide and water and having a water content of not more than 5% by weight (particularly not more than 3% by weight) in a distillation system is distilled to prevent condensation of hydrogen iodide in the distillation system. The mixture may comprise hydrogen iodide, water, methanol, methyl iodide, acetic acid, and methyl acetate. Even when the mixture contains hydrogen iodide at a concentration of 1 to 3000 ppm on the basis of weight, an acetic acid product having a concentration of hydrogen iodide of not more than 50 ppm can be obtained by withdrawing a fraction containing hydrogen iodide from the top of the column, and withdrawing acetic acid as a side-cut stream or a stream from the bottom of the column. Such a process (distillation process) effectively inhibits condensation of hydrogen iodide in the distillation system and corrosion in the distillation system. | 09-04-2008 |
20080203715 | Inflator for restraining system for vehicle - The present invention provides an inflator for a restraining system for a vehicle including: | 08-28-2008 |