Real Time Touch



new TOP 200 Companies filing patents this week

new Companies with the Most Patent Filings (2010+)




Real Time Touch

Daicel Corporation patents (2018 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


Curable composition and cured product from same

. . . . . . . . Provided is a curable composition which has excellent curability, less causes silicone molds to swell, and allows the silicone molds to have better durability and a longer service life in repeated use. The curable composition according to the present invention is a curable composition for production of an optical component by molding using silicone molds. ... Daicel Corporation

Disintegrating particle composition produced by two-stage wet granulation process, and intraorally disintegrating tablet containing same composition

A method is used in the production of a disintegrative particulate composition including three components consisting of a first disintegrator component having sedimentation volume in water of 4.0 cm3/g or more, and a second disintegrator component other than the first disintegrator component and an excipient. The method includes a first wet granulation step using any two of the three components, and a second wet granulation step using the granules obtained in the first wet granulation step and at least the component not used in the first wet granulation step; thus the disintegrative particulate composition is produced. ... Daicel Corporation

Method and apparatus for producing acetic acid

. . . . . . A process for stably and safely producing acetic acid without increasing an internal pressure of a distillation column is provided. The process comprises (1) a carbonylation reaction step for allowing methanol to react with carbon monoxide; (2) a flash step for separating the reaction mixture into a volatile phase and a less-volatile phase; (3) a first distillation step for separating the volatile phase into a first overhead and a crude acetic acid stream rich in acetic acid; and (4) a separation step for separating at least acetaldehyde from the first overhead. ... Daicel Corporation

Closing structure for opening of cylindrical housing and gas generator

The present invention provides a closing structure which closes, with an igniter, an opening of a cylindrical housing used in a gas generator, the cylindrical housing provided with a stepped surface formed on an inner side of a circumferential wall on the side of the opening, and a distal end circumferential wall extending from the stepped surface to the opening, the igniter having an igniter main body, and an igniter collar surrounding part of the igniter main body and having an annular plate portion with a maximum outer diameter and a circumferential wall excluding the annular plate portion, the annular plate portion including, a first annular surface facing the ignition portion of the igniter main body, a second annular surface facing the electroconductive pin of the igniter main body, and an annular circumferential surface between the first annular surface and the second annular surface, a first annular circumferential edge at the boundary between the first annular surface and the annular circumferential surface, and a second annular circumferential edge at the boundary between the second annular surface and the annular circumferential surface, and the second annular circumferential edge provided with an inclined surface in three or more locations, and the first annular surface of the igniter collar being abutted against the stepped surface of the cylindrical housing, and the annular circumferential surface and the second annular circumferential edge of the igniter collar being abutted against the distal end circumferential wall.. . ... Daicel Corporation

Curable composition and cured product from same

. . Provided is a curable composition which has chargeability into silicone molds and curability at excellent levels, less causes the silicone molds to swell, and allows the silicone molds to have better durability and a longer service life in repeated use. The curable composition according to the present invention contains curable compounds and a cationic initiator and is used for production of an optical component by molding using silicone molds. ... Daicel Corporation

Gas generator

The present invention provides a gas generator including a metallic first collar of a first igniter of an ignition device chamber, which has a first columnar main body portion, a first plate portion extending in a radial direction of a housing from part of a circumferential surface thereof, and a first wall surface formed by extending part of the first plate portion in an axial direction of the housing, a metallic second collar of a second ignition device of a second combustion chamber, which has a second columnar main body portion, a second plate portion extending in the radial direction from part of a circumferential surface thereof and a second wall surface formed by extending part of the second plate portion in the axial direction of the housing, a bottom side of the first columnar main body portion portion of the first collar being fitted in a first hole to fix a first igniter of the ignition device chamber, the first hole being one of two holes formed in the bottom plate of the housing separately from each other in the radial direction, a bottom side of the second columnar main body portion portion of the second collar being fitted in a second hole to fix a second igniter of the second combustion chamber, the second hole being the other one of the two holes formed in the bottom plate separately from each other in the radial direction, further, the first wall surface of the first collar and the second wall surface of the second collar being arranged to face each other in the radial direction, when a pressure inside the housing rises at a time of actuation, the first wall surface and the second wall surface being in contact with each other in a state of being pushed radially inward against each other.. . ... Daicel Corporation

Method for producing acetic acid

. . It is intended to provide a method capable of suppressing distillation apparatus corrosion as a method for producing acetic acid, comprising the step of distilling a crude acetic acid solution containing acetic acid and an impurity having a higher boiling point than that of acetic acid to purify the acetic acid. The method for producing acetic acid of the present invention comprises the step described above, wherein the distillation of the crude acetic acid solution is performed under a condition involving a distillation column bottom temperature of not more than 165° c. ... Daicel Corporation

Method for producing acetic acid

It is intended to provide a method capable of lowering a formic acid concentration in product acetic acid by a simple approach. The method for producing acetic acid according to the present invention comprises at least one step selected from a step that satisfies the following operating conditions (i) and a step that satisfies the following operating conditions (ii) in an acetic acid production process: (i) operating conditions involving a hydrogen partial pressure of less than 500 kpa (absolute pressure), a carbon dioxide partial pressure of less than 70 kpa (absolute pressure), and an operating temperature of more than 175° c.; and (ii) operating conditions involving a hydrogen partial pressure of not more than 5 kpa (absolute pressure), a carbon dioxide partial pressure of less than 20 kpa (absolute pressure), and an operating temperature of more than 100° c.. ... Daicel Corporation

Method for producing acetic acid

It is intended to provide an acetic acid production method capable of industrially advantageously separating and removing a by-product acetaldehyde in the separation step of separating a process stream into aqueous and organic phases. In the present invention, the separation step satisfies, for example, the following conditions (vi) to (viii), and at least a portion of the aqueous phase is treated in the acetaldehyde separation and removal step: (vi) acetaldehyde concentrations in the aqueous and/or organic phases are not more than 28.1 mass % and not more than 24.8 mass %, respectively; (vii) a separation temperature is not more than 70° c.; and (viii) methyl acetate concentrations in the aqueous and/or organic phases are not more than 12.0 mass % and not more than 47.6 mass %, respectively, and/or the sum of the methyl acetate concentrations in the aqueous and organic phases is not more than 59.6 mass %.. ... Daicel Corporation

Optical component and optical device equipped with same

. . Provided is a fine and highly heat-resistant optical component having a coating layer on part thereof. The optical component according to the present invention includes a cured product of a curable composition of an epoxy compound (a); and at least one coating layer having a thickness of 0.1 mm or less on part of the cured product. ... Daicel Corporation

Heat-transport medium including latent heat storage material, mixture for heat transport, and heat transport method

Used as a heat transport medium to be transported with a fluid that is liquid in an operating temperature range is a medium in which a latent heat storage material is penetrated in a porous material, wherein the latent heat storage material is incompatible with the fluid and has a melting point within the operating temperature range, and the porous material has a liquid repellency to the fluid, an affinity for the latent heat storage material, and a sponge hardness of not more than 50. This achieves stable heat transport with a high heat conversion efficiency even by circulating the medium through a pipeline over a long period of time. ... Daicel Corporation

Needleless syringe

The described technology relates to a needleless syringe for injecting an injection objective substance into an injection target area. The needleless syringe includes a protruding member which is provided movably from a first position to a second position at which 1) a protruding length of a forward end of the protruding member from an end surface of a housing is shorter than a protruding length of the forward end at the first position and 2) the forward end and a discharge port can be brought in contact with the injection target area. ... Daicel Corporation

Needleless syringe and method for introducing dna into injection target area using same

. . . . . . A needleless injector which can selectively induce the immune response and a method for introducing dna including a region coding for an antigen to selectively produce an antibody in a living body of a mammal by using the needleless injector are provided. Disclosed is a needleless injector for injecting a dna solution into an injection target area without using any injection needle. ... Daicel Corporation

Method for producing silver nanoparticles, silver nanoparticles, and silver coating composition

The present invention provides silver nano-particles that are excellent in stability and develop excellent conductivity by low-temperature calcining, a producing method for same, and a silver coating composition comprising the silver nano-particles. A method for producing silver nano-particles comprising: preparing an amine mixture liquid comprising: an aliphatic hydrocarbon monoamine (a) comprising an aliphatic hydrocarbon group and one amino group, said aliphatic hydrocarbon group having 6 or more carbon atoms in total; an aliphatic hydrocarbon monoamine (b) comprising an aliphatic hydrocarbon group and one amino group, said aliphatic hydrocarbon group having 5 or less carbon atoms in total; and an aliphatic hydrocarbon diamine (c) comprising an aliphatic hydrocarbon group and two amino groups, said aliphatic hydrocarbon group having 8 or less carbon atoms in total; mixing a silver compound and the amine mixture liquid to forma complex compound comprising the silver compound and the amines; and thermally decomposing the complex compound by heating to form silver nano-particles.. ... Daicel Corporation

06/14/18 / #20180163049

Curable composition

Provided is a curable composition having excellent film-formability and can be cured at low temperatures to form a cured product that has heat resistance, cracking resistance, and adhesiveness and adhesion to an adherend at excellent levels. The curable composition according to the present invention is a composition containing polyorganosilsesquioxanes (a). ... Daicel Corporation

05/31/18 / #20180148392

Separating agent for optical isomers

. . Provided is a separating agent for optical isomers, which is configured of a novel xylan derivative and a carrier. Specifically provided is a separating agent for optical isomers, which is configured of a carrier and a xylan-phenylcarbamate derivative that is obtained by substituting a hydroxy group of xylan with a group represented by formula (i) or (ii). ... Daicel Corporation

05/24/18 / #20180142128

Curable composition, and moulded body

Provided is a curable composition which can form, when cured, a cured product having high surface hardness and offering excellent flexibility and workability. The curable composition according to the present invention contains a cationically curable silicone resin, an epoxy compound other than the cationically curable silicone resin, and a leveling agent. ... Daicel Corporation

05/03/18 / #20180118649

Method for producing acetic acid

. . . . . . . . Provided is a method for producing acetic acid, which suppresses catalyst precipitation and accumulation in an evaporator, can efficiently recycle catalysts to a reaction vessel, and can contribute to maintenance and improvement in acetic acid productivity and securing of safety operation. In the method, the evaporator has a catalyst precipitation and accumulation prevention structure: (a) structure where inclination angle θ of inside wall surface of an inverted truncated conical cylindrical connection portion is 5° to 85°; and/or (b) structure where a vortex breaker comprising a plate-like vortex breaker main body and a leg is disposed such that the vortex breaker main body covers right above the connection portion of an evaporator bottom part to a residual liquid stream recycle line, and linear velocity r of the residual liquid stream passing through a gap between the vortex breaker main body and the evaporator bottom part is larger than 10 m/h.. ... Daicel Corporation

04/05/18 / #20180094098

Curable composition for lens, lens and optical device

Provided is a curable composition capable of giving a lens that has excellent transfer accuracy from a mold and offers heat resistance and optical properties at excellent levels. The curable composition according to the present invention for lens formation contains a cycloaliphatic epoxide (a) represented by formula (a), a cationic-polymerization initiator (b), and a polysiloxane (c) represented by formula (c). ... Daicel Corporation

03/29/18 / #20180085734

Separating agent for optical isomers

Provided is a separating agent for optical isomers, which is excellent in solvent resistance and has optical separating ability comparable to or higher than that of existing separating agents for optical isomers of chemical bonding type or physical adsorption type. In the separating agent for optical isomers, amylose (3-chloro-5-methylphenylcarbamate) is supported on a carrier through chemical bonding.. ... Daicel Corporation

03/08/18 / #20180066148

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 has excellent printability. A silver particle coating composition comprising: silver nano-particles whose surfaces are coated with a protective agent comprising an aliphatic hydrocarbon amine; and a dispersion solvent, wherein the dispersion solvent comprises a solvent selected from the group consisting of a glycol ether-based solvent and a glycol ester-based solvent. ... Daicel Corporation

03/01/18 / #20180056270

Amylose derivative and optical isomer separating agent containing same

Provided are a novel amylose derivative which exhibits excellent optical isomer separability and which is suitable as an optical isomer separating agent; and an optical isomer separating agent containing the amylose derivative. A task is attained by an amylose derivative having a constituent unit represented by formula (i) below; in below formula (i), r1 is a substituent group represented by any of formulae 1 to 3 below, and r2 is a substituent group represented by any of formulae a to g below. ... Daicel Corporation

03/01/18 / #20180056003

Syringe

It is possible to feed an injection objective substance to a depth of a skin structure of an objective living body without using any injection needle. A syringe having no injection needle comprises an enclosing unit which encloses the injection objective substance, a pressurizing unit which pressurizes the injection objective substance enclosed in the enclosing unit, and a flow passage unit which defines a flow passage so that the injection objective substance, which is pressurized by the pressurizing unit, is allowed to inject to an injection target area. ... Daicel Corporation

02/22/18 / #20180050973

Vinyl-group-containing fluorene compound

A novel vinyl-group-containing fluorene compound and a method for producing the same, a polymerizable monomer and cross-linking agent including the compound, a leaving-group-containing fluorene compound, a monovinyl-group-containing fluorene compound, and methods for producing the same. The vinyl-group-containing fluorene compound is represented by formula (1) in which w1 and w2 represent a group represented by formula (2), a group represented by formula (4), a hydroxyl group, or a (meth)acryloyloxy group, r3a and r3b represent a cyano group, a halogen atom, or a monovalent hydrocarbon, and n1 and n2 are integers of 0-4. ... Daicel Corporation

02/22/18 / #20180050282

Stationary phase for supercritical fluid chromatography

Provided is a stationary phase for supercritical fluid chromatography, the stationary phase having satisfactory molecule-identifying ability, in particular, satisfactory separating properties with respect to not only acidic compounds or basic compounds but also fused aromatic compounds or aromatic isomers. The stationary phase for supercritical fluid chromatography includes a support having, bonded thereto, a polymer in which the main chain has nitrogenous aromatic rings in the repeating units.. ... Daicel Corporation

02/15/18 / #20180043854

Gas generator

The present invention provides a gas generator including, in a cylindrical housing, a gas generation chamber accommodating a gas generating agent and an ignition device, the ignition device being disposed at a first end surface of the cylindrical housing, and a second end surface, which is axially opposite to the first end surface, being closed by a closing member, the closing member having a fragile portion formed such that a part thereof is ruptured when the first surface on the side of the gas generation chamber receives a pressure of a gas including a combustion gas, and the ruptured portion is bent and opened to the axially opposite side of the first surface, a gas discharge port for the combustion gas being formed by the ruptured portion which is bent and opened from a surface of a non-ruptured portion after the part of the closing member is ruptured along the fragile portion, a control device restricting an angle between the second surface of the closing member and the bent ruptured portion to be 5 degrees to 85 degrees, the control device being a member which is adjusted to have such a distance that the bent ruptured portion is in contact therewith, or a support portion which is formed to protrude from the second surface of the closing member at a position such as to be in contact with the ruptured portion.. . ... Daicel Corporation

02/15/18 / #20180043333

Method for producing porous cellulose medium

Provided are a technique for preparing a porous cellulose medium without using a special gelling agent for a solution in which cellulose acetate serving as a raw material is dissolved; and a porous cellulose medium and the like produced using the technique. A method for producing a porous cellulose medium comprises the step of preparing a flowable homogeneous composition comprising cellulose acetate, a basic compound, and a solvent including water, and gelling the composition by deacetylation reaction of the cellulose acetate.. ... Daicel Corporation

02/08/18 / #20180037755

Transparent laminate film

A coat layer and a substrate layer are combined to prepare a transparent laminate film; the coat layer contains particles having a particle size distribution with a plurality of peaks in a particle size region of not less than 6 μm, and of particle sizes corresponding to the plurality of peaks, the smallest particle size is larger than an average thickness of a flat portion of the coat layer. The transparent laminate film provides a comfortable writing experience and an excellent anti-glareness. ... Daicel Corporation

02/08/18 / #20180037670

Cellulose acetate powder and method of producing cellulose acetate powder

Provided is a cellulose acetate powder that makes it possible to reduce the formation of spotty patches on a formed article of the cellulose acetate and prevent lowering of the production process passability of the formed article. A cellulose acetate powder includes cellulose acetate having an acetylation degree of 53 to 56% and a 6% viscosity of 30 to 200 mpa·s. ... Daicel Corporation

02/08/18 / #20180036486

Syringe

A syringe has a syringe main body, a syringe unit, and a piston. An end surface of the piston disposed on a forward end side is brought in contact with an end surface of a plunger disposed on a proximal end side so that the plunger is slidable toward a discharge port in a state in which a rod portion is accommodated in an accommodating hole in an attached state. ... Daicel Corporation

02/08/18 / #20180036485

Syringe

It is possible to feed an injection objective substance to a depth of a skin structure of an objective living body without using any injection needle. A syringe having no injection needle comprises an enclosing unit which encloses the injection objective substance, a pressurizing unit which pressurizes the injection objective substance enclosed in the enclosing unit, and a flow passage unit which defines a flow passage so that the injection objective substance, which is pressurized by the pressurizing unit, is allowed to inject to an injection target area. ... Daicel Corporation

02/01/18 / #20180030229

Transparent laminate film

A coat layer and a substrate layer are combined to prepare a transparent laminate film; the coat layer has a surface with a maximum height of rolling circle waviness profile (wem) in accordance with jis b0610 of 5 to 15 μm and an arithmetic average roughness (ra) of not less than 0.5 μm. The transparent laminate film provides a comfortable writing experience and a reduced abrasion of a pen tip. ... Daicel Corporation

01/11/18 / #20180009732

Process for producing acetic acid

A process for separating or removing permanganate reducing compounds (prc's) from a first mixture containing at least one prc, methyl iodide, and water comprises the steps of: feeding the first mixture to a feed port of a distillation column, and distilling and separating the first mixture into an upper stream and a lower stream, wherein the distillation of the first mixture forms a second mixture at an upper position than the feed port, and the process further comprises the steps of: withdrawing the second mixture as the upper stream, and withdrawing the lower stream from a lower position than the feed port.. . ... Daicel Corporation








ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009



###

This listing is an abstract for educational and research purposes is only meant as a recent sample of applications filed, not a comprehensive history. Freshpatents.com is not affiliated or associated with Daicel Corporation in any way and there may be associated servicemarks. This data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Daicel Corporation with additional patents listed. Browse our Agent directory for other possible listings. Page by FreshPatents.com

###