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Daicel Corporation patents (2017 archive)


Recent patent applications related to Daicel Corporation. Daicel Corporation is listed as an Agent/Assignee. Note: Daicel Corporation may have other listings under different names/spellings. We're not affiliated with Daicel Corporation, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "D" | Daicel Corporation-related inventors


Igniter

An igniter includes a first ignition charge, a first member which has a predetermined inner surface and a second member. The second member is arranged in a state of being inserted into the first member and which has a predetermined outer surface opposed to the predetermined inner surface in an arrangement state, for forming a predetermined space to arrange the first ignition charge between the predetermined inner surface and the predetermined outer surface. ... Daicel Corporation

Anti-wear agent

Provided is an anti-wear agent capable of furnishing an epoxy resin coating film with anti-wear properties. The anti-wear agent is characterized in containing an alicyclic difunctional epoxy and a polymerization initiator or is characterized in containing a difunctional bisphenol a-type epoxy resin, a leveling agent and a polymerization initiator.. ... Daicel Corporation

Method for producing acetic acid

A method produces acetic acid and includes a reaction step, a first purification step, a second purification step, and a third purification step. In the reaction step, a material mixture including methanol, carbon monoxide, a catalyst, and an iodide is subjected to a methanol carbonylation reaction in a reactor (1) to form acetic acid. ... Daicel Corporation

Gas generator

The present invention provides a gas generator including a cylindrical housing in which an ignition device is attached at a first end portion thereof and a diffuser portion provided with a gas discharge port is attached at a second end portion thereof, an annular end surface being formed on the side of the second end portion, a cylindrical flow path forming member being disposed in the cylindrical housing, an inner space of the cylindrical flow path forming member being partitioned by a partition wall into a first chamber on the side of the first end portion and a second chamber on the side of the second end portion, a space, which includes the first chamber, being a combustion chamber filled with a gas generating agent, and the second chamber forming part of a gas discharge path, in the cylindrical flow path forming member, a first cylindrical space, which is formed between a first wall surface of the cylindrical flow path forming member on the side of the first chamber and the inner wall surface of the cylindrical housing, and a second cylindrical space, which is formed between a second wall surface of the cylindrical flow path forming member on the side of the second chamber and the inner wall surface of the cylindrical housing, being continuous in an axial direction, and the second cylindrical space being a cylindrical space with a length l from a boundary with the first cylindrical space to the annular end surface, and having an annular pocket portion with a length l1 from the annular end surface to the second communication holes, and at least part of a surface of the annular pocket portion being provided with a concave-convex portion.. . ... Daicel Corporation

Pyrotechnic actuator mechanism, syringe and igniter assembly

. . . . A pyrotechnic actuator mechanism comprises a cover member which includes a first wall member which is opposed to a release portion of an ignition unit, and a second wall member which is connected thereto and which has a free end portion embedded in a fixing member. When an ignition charge contained in the ignition unit is combusted, then the cover member is moved in the propulsion direction so that a predetermined closed space is expanded in the propulsion direction of a piston, and the movement of the cover member is regulated so that a state, in which the free end portion of the second wall member is embedded in the fixing member, is maintained at a maximum propulsion position of the cover member. ... Daicel Corporation

Needleless injection apparatus

A needleless injection apparatus is provided which forms a suitable contact state between an injection opening and an injection object. The needleless injection apparatus is provided with an expansible bag body, a needleless syringe including no injection needle, and a gas supply unit for supplying the expansion gas to the bag body. ... Daicel Corporation

Silver particle coating composition

. . . . The present invention provides a silver coating composition that develops excellent conductivity (low resistance value) by low-temperature and short-time calcining, and that is excellent in fine-line drawing performance and suitable for intaglio offset printing. A silver particle coating composition comprising: silver nano-particles (n) whose surfaces are coated with a protective agent containing an aliphatic hydrocarbon amine; a surface energy modifier; and a dispersion solvent. ... Daicel Corporation

Needleless syringe

A needleless syringe comprises a main syringe body which is a main body thereof and which has, in the main body, a sliding movement passage connected to an opening provided on a front end surface of the main body; a holding unit which has an accommodating unit for accommodating an injection objective substance so that the injection objective substance is releasable; and a driver that is configured to apply energy to the holding unit in order to allow the holding unit to slide toward the opening. When the energy is applied by the driver to the holding unit disposed at the initial position, the holding unit slides in the sliding movement passage to abut against the opening at the abutment position, and thus the injection objective substance accommodated in the accommodating unit is discharged via the opening. ... Daicel Corporation

Hyperbranched polymer, process for producing same, and composition

. . . . Provided is a hyperbranched polymer having such a backbone that is readily decomposable by an acid. The hyperbranched polymer is derived from, via reaction, monomers including a monomer (x) and a monomer (y). ... Daicel Corporation

Gas generator

The present invention provides a gas generator including, an ignition device chamber, a gas inflow chamber, and a pressurized gas chamber being arranged from a first end fixed with an ignition device to a second end opposite thereto in a cylindrical housing, an inner circumferential wall surface of the cylindrical housing, from the ignition device chamber to the gas inflow chamber, having a first movement restricting portion, a second movement restricting portion and a stopping portion which are arranged in an axial direction at intervals in the above order so as to protrude, the second movement restricting portion having an ignition device chamber-side surface which is an inclined surface decreasing an inner diameter of the housing from the side of the ignition device chamber to the side of the gas inflow chamber and a gas inflow chamber-side surface whose angle (α1) with respect to the cylindrical housing is not more than 90 degrees, so that an axial cross-sectional shape of the second movement restricting portion is a triangle, a breaking device being arranged between the ignition device chamber and the gas inflow chamber and including a base whose outer circumferential surface abuts against an inner circumferential wall surface of the cylindrical housing and a distal end having an enlarged-diameter portion, and before actuation, the base being held between the first movement restricting portion and the second movement restricting portion, after actuation, the base being held between the surface of the second movement restricting portion whose angle al is not more than 90 degrees and the stopping portion.. . ... Daicel Corporation

Oxidation reactor and process for producing oxide

Provided is an oxidation reactor capable of oxidizing hydrocarbons with both reaction efficiency and energy efficiency. The oxidation reactor according to the present invention includes a liquid inlet channel, a gas inlet channel, a gas-liquid mixing unit, and a flow reactor. ... Daicel Corporation

Composition for forming coat-type insulating film

Provided is an insulating coating composition. The composition is highly safe, in which an organic material to form an insulating film is dissolved highly stably. ... Daicel Corporation

Cellulose acetate fiber tow band for use in cigarette filter, cigarette filter, apparatus for manufacturing tow band, and method of manufacturing tow band

A tow band (tb) for use in a cigarette filter is a tow band in which a plurality of filaments (f) made of cellulose acetate fibers are bundled together and crimped. In the tow band, a filament denier is not less than 6.0 and not more than 11.0, a total denier is not less than 5,000 and not more than 15,000, and a cv value of the number of crimps of the tow band is not more than 4%.. ... Daicel Corporation

Curable composition and optical element obtained using same

Provided is a curable composition which has excellent thin-film curability and which can form, via the application of light and/or heat, a cured product having heat resistance and thermal yellowing resistance at excellent levels. This curable composition contains cationically curable compounds and a cationic-polymerization initiator. ... Daicel Corporation

09/14/17 / #20170260120

Method for producing acetic acid

A method for producing acetic acid includes subjecting an acetic acid solution to an acetic anhydride decreasing treatment. The acetic acid solution is present typically in, or downstream from, a distillation column (5) of acetic acid production equipment (x), includes acetic acid in a concentration of 90 mass percent or more, acetic anhydride, and water, and is in such a state that an equilibrium concentration of acetic anhydride is higher than an acetic anhydride concentration. ... Daicel Corporation

09/07/17 / #20170253575

Solid acid catalyst and method for producing oxide

Provided is a solid acid catalyst for use in oxidation of a substrate in the coexistence of oxygen and ozone (solid acid catalyst for oxygen-ozone-coexisting oxidation). The solid acid catalyst enables oxidation of the substrate with a high conversion. ... Daicel Corporation

09/07/17 / #20170252717

Oxidation reactor and production method for oxide

Provided is an oxidation reactor capable of oxidizing hydrocarbons with both good reaction efficiency and good energy efficiency. This oxidation reactor includes a liquid inlet channel, a gas inlet channel, a gas-liquid mixing unit, and a flow reactor. ... Daicel Corporation

08/24/17 / #20170240429

Nanodiamonds having acid functional group and method for producing same

A nanodiamond according to the present invention has acidic functional groups, contains the acidic functional groups in a number density of 1 or more per square nanometer in the nanodiamond surface, and has a specific surface area of 150 m2/g or more. Particles of the nanodiamond preferably have a d50 (median diameter) of 9 nm or less. ... Daicel Corporation

08/17/17 / #20170232695

Specially-shaped epoxy resin molded article, and optical device provided with same

Provided is a molded article that has such a shape as to offer a light condensing or light diffusing effect, has excellent mechanical strengths and heat resistance, and has a high thickness deviation ratio. This molded article includes a cured product of a curable composition containing an epoxy compound (a). ... Daicel Corporation

08/10/17 / #20170227190

Fresnel lens and optical device provided with same

Provided is a fresnel lens which has excellent heat resistance and which can covert light even from a poor-quality semiconductor light sources into uniform, high-quality light and can disperse the resulting light without lowering the central illuminance. The fresnel lens according to the present invention includes two or more sawtooth prisms in a surface thereof and is made of a cured product of a curable composition containing an epoxy compound (a). ... Daicel Corporation

07/27/17 / #20170210871

Method for producing porous cellulose medium

. . The present invention provides a technique for preparing a porous cellulose medium, through the gelation of a solution in which cellulose acetate as a raw material is dissolved, which does not cause a reaction involving the migration of substances. Specifically, a method for producing a porous cellulose medium is provided which includes the steps of gelling a flowable homogeneous composition containing cellulose acetate, an organic solvent, and water through a decrease in temperature; and hydrolyzing the cellulose acetate contained in the resulting gel.. ... Daicel Corporation

07/06/17 / #20170190815

Formed article

. . Provided is a film, sheet, plate, or other such formed article having excellent transparency made of a copolymer obtained from a cyclic olefin monomer and an α-olefin monomer. The present invention provides a formed article made from a copolymer having tg of 170° c. ... Daicel Corporation

06/15/17 / #20170166160

Gas generator

The present invention provides a gas generator including a combustion chamber cup which is disposed in the housing provided with a gas discharge port and includes a combination of a cup member and a cylindrical member, a combustion chamber being separated by the combustion chamber cup into an inner combustion chamber and an outer combustion chamber, the cup member having, in a circumferential wall surface thereof, a dropout-preventing slit formed in an axial direction from a first end on the side of a bottom surface to a second end on the side of an opening and a plurality of through holes formed in a circumferential direction, the cylindrical member having a first end opening fixed to a bottom plate of the housing and a protrusion protruding radially outward in a circumferential wall surface thereof, the cup member covering a second end opening of the cylindrical member, and the bottom surface of the cup member being positioned on the side of a top plate of the housing, the plurality of the through holes being closed when the protrusion of the cylindrical member is fitted at the first end of the dropout-preventing slit, at the time of actuation, the plurality of the through holes of the cup member being opened when the cup member moves until the protrusion, which has located at the first end of the dropout-preventing slit, abuts against the second end.. . ... Daicel Corporation

06/08/17 / #20170158814

Monomer composition and curable composition containing same

Provided is a monomer composition that has rapid curability and can be rapidly cured even in the presence of oxygen and/or water, to form a cured product having excellent adhesion to a wide variety of substrates. The monomer composition according to the present invention contains a multifunctional vinyl ether compound in an amount of 10 to 80 weight percent, a bifunctional oxetane compound represented by formula (b) in an amount of 0.5 to 20 weight percent, and a monofunctional oxetane compound represented by formula (b′) in an amount of 5 to 80 weight percent. ... Daicel Corporation

06/08/17 / #20170158812

Monomer composition and curable composition containing same

Provided is a monomer composition that has rapid curability and can be cured rapidly, even in the presence of oxygen and/or water, to form a cured product having excellent adhesion to a wide variety of substrates. The monomer composition according to the present invention contains a vinyl ether compound (a). ... Daicel Corporation

06/01/17 / #20170152346

Monomer composition and curable composition containing same

. . Provided is a monomer composition that has rapid curability and can be rapidly cured, even in the presence of oxygen and/or water, to form a cured product having excellent adhesion to a wide variety of substrates. The monomer composition according to the present invention includes at least one cationically curable monomer. ... Daicel Corporation

05/18/17 / #20170141423

Resin film, laminate, method for producing same, and method for producing fuel cell

A polymer film comprises a polymer composition containing (a) a cyclic olefin polymer and (b) a chlorine-containing polymer. The chlorine-containing polymer (b) may comprise a vinylidene chloride-series polymer. ... Daicel Corporation

05/11/17 / #20170130079

Monomer composition and curable composition containing same

Provided is a monomer composition that has rapid curability and can be rapidly cured even in the presence of oxygen and/or water, to form a cured product having excellent adhesion to a wide variety of substrates. The monomer composition according to the present invention includes vinyl ether compounds (a). ... Daicel Corporation

05/11/17 / #20170128182

Injection system using needleless syringe

An injection system of the present invention comprises a needleless syringe; a transfer passage which connects a first space for accommodating a plurality of injection targets and a second space as a transfer destination of the plurality of injection targets, the transfer passage being installed with the needleless syringe so that an emission port of the needleless syringe is open at inside of the transfer passage; a detecting unit which is capable of detecting transfer through the transfer passage in order for the injection target existing in the first space to go toward the second space; and a control unit which performs emission of the injection objective substance from the emission port of the needleless syringe for every injection target in accordance with the transfer of the injection target, if the transfer of the injection target is detected by the detecting unit. Accordingly, the load exerted on an operator is mitigated as far as possible and the occurrence of various problems concerning the hygiene is suppressed when the injection is performed for a large number of the injection targets such as domestic animals or the like.. ... Daicel Corporation

04/13/17 / #20170100545

Syringe

. . A syringe includes a holding portion that accommodates an injection objective substance, a driving portion that applies injection energy, and a nozzle portion that includes a passage for injection, with these portions being loaded into a housing independently, whereby a state where the injection objective substance can be injected is established. The syringe includes a regulating means for regulating a loading position of the holding portion and the driving portion within the housing so that a loading state, where the holding portion and the driving portion are always loaded in the same order into the housing, is established for injection of the injection objective substance. ... Daicel Corporation

04/13/17 / #20170099871

Cigarette filter tow band

Provided is a material (cigarette component) that enables the elimination or minimization of illicit cigarette production. Specifically, related is a cigarette filter tow band including a crimped bundle of filaments. ... Daicel Corporation

04/06/17 / #20170098847

Resin film, laminate, method for producing same, and method for producing fuel cell

A polymer film comprises a polymer composition containing (a) a cyclic olefin polymer containing an olefin unit having a c3-10alkyl group as a side chain thereof and (b) a chlorine-containing polymer. The chlorine-containing polymer (b) may comprise a vinylidene chloride-series polymer. ... Daicel Corporation

04/06/17 / #20170096522

Epoxy resin composition and cured product of same

The present invention relates to an epoxy resin composition containing an alicyclic epoxy compound (a), a polymer polyol having two or more terminal hydroxyl groups (b), and a lewis acid-amine complex (c). The present invention provides an epoxy resin composition which can be cured by heating at low temperatures, and suppresses heat generation associated with curing (heat generation by curing). ... Daicel Corporation

03/23/17 / #20170082510

Flange fastening skill determination apparatus and flange fastening skill determination program

. . A flange fastening skill determination apparatus includes: a receiver configured to receive output signals from respective tightening force detectors when a testee tightens a plurality of bolts for connecting flanges together, the tightening force detectors corresponding to the plurality of respective bolts; a measurer configured to obtain measurement results indicating transition of change in each of the output signals from a start to an end of tightening a corresponding bolt; a calculator configured to obtain a first calculation result indicating variation among output signal values during the tightening, a second calculation result indicating variation among output signal values at a time of completion of the tightening, and a third calculation result indicating a degree of tightening force of each of the plurality of bolts at the time of completion; and a determiner configured to determine a skill level of the testee based on the results.. . ... Daicel Corporation

03/23/17 / #20170080894

Gas generator

The present invention provides a gas generator including an ignition device chamber provided with the ignition device, a gas inflow chamber provided with a gas discharge port, and a pressurized gas chamber being arranged in order from the first end; a closing member including a fixing portion and a rupturable plate fixed to the fixing portion and closing between the pressurized gas chamber and the gas inflow chamber; and a breaking device for the rupturable plate being arranged between the ignition device chamber and the gas inflow chamber, the breaking device including a base portion, which has an outer circumferential surface abutted against an inner circumferential wall surface of the cylindrical housing, and a rod extending from the base portion to the rupturable plate, the fixing portion of the closing member including an annular plate surface portion, extending radially inward from the inner circumferential wall surface of the cylindrical housing, and a cylindrical wall portion extending from an inner circumference of the annular plate surface portion towards the gas inflow chamber, the rupturable plate of the closing member being fixed by welding to the annular plate surface portion of the fixing portion from the pressurized gas chamber, the breaking device being disposed such that a tip end of the rod is enclosed by the cylindrical wall portion of the fixing portion of the closing member.. . ... Daicel Corporation

02/16/17 / #20170043743

Gas generator

. . . . The present invention provides a gas generator including: a cylindrical housing having an ignition device which is fixed to an opening at a first end, and a second end which is closed, the inside of the cylindrical housing being provided with an ignition device chamber, a gas inflow chamber and a pressurized gas chamber, these chambers being arranged in the above order from the first end; a rupturable plate closing a gas outflow port between the pressurized gas chamber and the gas inflow chamber; and a breaking device arranged between the ignition device chamber and the gas inflow chamber, the breaking device including a base and a rod extending from the base towards the rupturable plate, the rod including a rod main body portion and a rod enlarged-diameter portion at a distal end portion thereof, the rod enlarged-diameter portion including a distal end surface portion facing the rupturable plate and a circumferential wall portion, the distal end surface portion of the rod enlarged-diameter portion including a breaking portion and a non-breaking portion for the rupturable plate, the non-breaking portion being a concave portion which is formed in a portion including a circumferential region of the distal end surface portion and concaved in a thickness direction, a circumferential extent in which the non-breaking portion is formed as the concave portion being in such a range that an angle around the center of the distal end surface portion is not more than 100 degrees.. . ... Daicel Corporation

02/16/17 / #20170043396

Silver particle coating composition

The present invention provides a silver particle coating composition that develops excellent conductivity by low-temperature and short-time calcining, and preferably achieves excellent adhesion between a silver coating film and a substrate. A silver particle coating composition comprising: silver nano-particles (n) whose surfaces are coated with a protective agent containing an aliphatic hydrocarbon amine; silver microparticles (m); and a dispersion solvent. ... Daicel Corporation

01/26/17 / #20170022343

Transparent layered film, process for producing same, and electrode for touch panel

. . . . . . A transparent layered film is produced by forming an anti-water-mark layer on a first side of a transparent resin layer and forming an uneven structure on a surface of the anti-water-mark layer, wherein the anti-water-mark layer comprises a cured product of a curable composition containing a curable resin, a thermoplastic resin, and a metal oxide particle having an average primary particle size of 1 to 100 nm, and the uneven structure has a roughness average ra of not less than 0.005 and less than 0.03 μm, a mean spacing of profile irregularities sm of 50 to 300 μm, an average absolute slope Δa of less than 0.1°, and a ten-point average roughness rz of less than 0.2 μm. Lamination of the film on a glass-containing upper electrode of a touch screen display prevents scattering of glass fragments produced by breakage of the upper electrode, occurrence of water marks, and sparkling on a high-definition display provided with the film.. ... Daicel Corporation

01/26/17 / #20170020749

Hydrophilized cellulose acetate tow band, and absorbent material produced using same

A hydrophilized cellulose acetate tow band according to the present invention includes a crimped cellulose acetate tow band, and a hydrophilizing component having an hlb value of 16 or more. The cellulose acetate tow band includes a cellulose acetate having a degree of substitution of 2.0 to 2.6. ... Daicel Corporation

01/19/17 / #20170015605

Gas generating composition

. . Provided is a gas generating agent with a low combustion temperature and good ignition ability. The gas generating agent includes: (a) a fuel; (b) an oxidizing agent including a basic metal nitrate; (c) a basic metal carbonate; and (d) a binder (not including a component selected from starch, etherified starch, methyl cellulose, hydroxyethyl methyl cellulose, hydroxypropyl methyl cellulose, hydroxyethyl cellulose, guar gum, etherified guar gum, tamarind gum, poly(vinyl alcohol), polyvinyl ether, polyacrylamide, polyethylene oxide, and polyvinyl pyrrolidone). ... Daicel Corporation

01/19/17 / #20170015492

Package of filter tow bale packed with packing material in a non-hermetic state and manufacturing method thereof

The present invention provides a package of a filter tow bale made of cellulose acetate packed with a packing material in a non-hermetic state, which can be stacked in multistage and in which tows in the same bale can be uniformly maintained. The package of the filter tow bale made of cellulose acetate is packed with the packing material in the non-hermetic state, in which the filter tow bale is tightened with the packing material in the package, the filter tow bale has a cubic shape or a rectangular parallelepiped shape with 800 to 1,400 mm in length, 800 to 1,150 mm in width, and 800 to 1,100 mm in height, and a packing initial pressure between a top surface of the filter tow bale and the packing material is 6.3 kpa or less.. ... Daicel Corporation

01/12/17 / #20170009003

Curable composition, cured product thereof, and wafer level lens

. . Provided is a curable composition that is rapidly cured to form a cured product. The cured product resists yellowing, successfully maintains excellent transparency over a long time even in a high-temperature environment, and is advantageously usable as or in a wafer-level lens. ... Daicel Corporation

01/12/17 / #20170007768

Needleless syringe

The present application relates to a needleless syringe for injecting an injection objective substance into an injection target area without using an injection needle. In one aspect, the needleless syringe includes a main syringe body containing the injection objective substance with the use of a sealing member, a pressurizing unit provided in the main syringe body and configured to pressurize the injection objective substance, a flow passage unit defining a flow passage of the pressurized injection objective substance to be discharged to the injection target area and a preparatory filling unit configured to fill the flow passage unit with a part of the injection objective substance by destroying a part of the sealing member before the injection objective substance is pressurized. ... Daicel Corporation

01/12/17 / #20170006912

Cellulose acetate tow band for use in cigarette filter, cigarette filter, apparatus for manufacturing tow band, and method of manufacturing tow band

A cellulose acetate tow band for use in a cigarette filter, in which a filament denier is not less than 5.0 denier, a feret area of a filament is not less than 0.5, and/or a ratio s/l of a cross-sectional area s of the filament to a cross-sectional peripheral length l of the filament is not less than 5. The filament denier may be not more than 10 denier. ... Daicel Corporation








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