Patents Assigned to Daicel Chemical Industries, Ltd.
  • Patent number: 9459525
    Abstract: Disclosed is a curable composition for nanoimprinting, which includes one or more polymerizable monomers, in which one or more monofunctional radically polymerizable monomers occupy 90 percent by weight or more of the one or more polymerizable monomers, and the one or more monofunctional radically polymerizable monomers give a polymer having a glass transition temperature of 25° C. or higher. The one or more monofunctional radically polymerizable monomers are preferably at least one compound selected from (meth)acrylic ester compounds, styrenic compounds, and vinyl ether compounds.
    Type: Grant
    Filed: March 16, 2010
    Date of Patent: October 4, 2016
    Assignee: DAICEL CHEMICAL INDUSTRIES, LTD.
    Inventors: Hiroto Miyake, Takao Yukawa, Shuso Iyoshi
  • Patent number: 9242921
    Abstract: A process for allowing an oxidation reaction efficiently to produce an object aromatic carboxylic acid with an efficient productivity by improving a catalyst activity even in the presence of a relatively small amount of a catalyst is provided. The process comprises oxygen-oxidizing an aromatic compound having an alkyl group and/or an alkylene group as a substrate in the presence of a catalyst containing a cyclic imino unit having an N—OR group (wherein R represents a hydrogen atom or a protecting group for a hydroxyl group) and a transition metal co-catalyst (a cobalt compound, a manganese compound, and a zirconium compound) to produce the aromatic carboxylic acid corresponding to the aromatic compound. The oxidation reaction is carried out with feeding a mixture of the catalyst and at least one member selected from the group consisting of the substrate, a reaction intermediate (e.g., a ketone and an aldehyde), and a reaction product (e.g.
    Type: Grant
    Filed: May 21, 2009
    Date of Patent: January 26, 2016
    Assignee: DAICEL CHEMICAL INDUSTRIES, LTD.
    Inventor: Akihiro Shibamoto
  • Patent number: 9174888
    Abstract: A gas generating composition exhibiting good slag forming ability is provided. The gas generating composition includes a fuel ranging from 10 to 60% by mass, an oxidizing agent ranging from 10 to 70% by mass, and a cooling agent (other than iron oxide) ranging from 1 to 20% by mass. The cooling agent has a volume mean diameter (D50) of 10 to 70 ?m and a volume mean diameter at cumulative of 10% (D10) of equal to or greater than 5 ?m. The cooling agent acts to decrease the combustion temperature and improve slag forming ability.
    Type: Grant
    Filed: April 8, 2009
    Date of Patent: November 3, 2015
    Assignee: DAICEL CHEMICAL INDUSTRIES, LTD.
    Inventors: Jianzhou Wu, Shogo Tomiyama, Yoji Fujisaki
  • Patent number: 9057127
    Abstract: The present invention provides a plated resin molded article having a high adhering strength of a plating layer. Specifically, it provides a plated resin molded article that has a metal plating layer on the surface of a thermoplastic resin molded article comprising a composition that contains (A) 10 to 90 mass % of a matrix resin that has a water absorption after 24 hours in 23° C. water (ISO62) of at least 0.6% and (B) 90 to 10 mass % of a non-styrenic resin that has a water absorption after 24 hours in 23° C. water (ISO62) of less than 0.6%, wherein the thermoplastic resin molded article is not subjected to etching with a heavy metal-containing acid.
    Type: Grant
    Filed: February 16, 2005
    Date of Patent: June 16, 2015
    Assignees: DAICEL POLYMER LTD., DAICEL CHEMICAL INDUSTRIES, LTD.
    Inventors: Toshihiro Tai, Weihong Gu, Tatsuo Izumitani
  • Patent number: 9028684
    Abstract: Disclosed is a separating agent for optical isomer which is excellent in optical separation ability. Specifically disclosed is a separating agent for optical isomer containing: an inclusion complex including a ?-conjugated polymer in a polymer compound having a hydroxy group or an amino group; and a carrier, the inclusion complex being carried by the carrier.
    Type: Grant
    Filed: April 28, 2010
    Date of Patent: May 12, 2015
    Assignees: DAICEL CHEMICAL INDUSTRIES, LTD., NATIONAL UNIVERSITY CORPORATION NAGOYA UNIVERSITY
    Inventors: Eiji Yashima, Kazumi Tamura
  • Patent number: 8978662
    Abstract: A tobacco filter contains from 0.5 to 95% by mass of magnesium aluminometasilicate.
    Type: Grant
    Filed: June 24, 2011
    Date of Patent: March 17, 2015
    Assignee: Daicel Chemical Industries, Ltd.
    Inventor: Hiroki Taniguchi
  • Patent number: 8883002
    Abstract: This invention provides a separating agent for optical isomers, which has high asymmetry recognition ability and can be used particularly at a high flow rate when used for the separation of the optical isomers, and a separation column for optical isomers having the same. This invention provides: a separating agent for optical isomers which is used for separation of optical isomers in a sample comprising the optical isomers, which is comprising a monolithic inorganic type carrier having a meso pore formed on an inner wall surface of a specific macropore, and a polysaccharide or a polysaccharide derivative supported on the monolithic inorganic type carrier, wherein the meso pore has a pore size of 6 to 100 nm; and a separation column for optical isomers in which the separating agent for optical isomers is held in a column tube.
    Type: Grant
    Filed: December 27, 2010
    Date of Patent: November 11, 2014
    Assignees: Daicel Chemical Industries, Ltd., Merck Patent GmbH
    Inventors: Tatsushi Murakami, Akihiro Nakanishi, Dieter Lubda, Michael Schulte
  • Patent number: 8883001
    Abstract: This invention provides a separating agent for optical isomers, which has high asymmetry recognition ability and can be used particularly at a high flow rate when used for the separation of the optical isomers, and a separation column for optical isomers having the same. This invention provides: a separating agent for optical isomers which is used for separation of optical isomers in a sample comprising the optical isomers, which is comprising a monolithic inorganic type carrier having a meso pore formed on an inner wall surface of a specific macropore, and a polysaccharide or a polysaccharide derivative supported on the monolithic inorganic type carrier, wherein the meso pore has a pore size of 6 to 100 nm; and a separation column for optical isomers in which the separating agent for optical isomers is held in a column tube.
    Type: Grant
    Filed: May 29, 2007
    Date of Patent: November 11, 2014
    Assignees: Daicel Chemical Industries, Ltd., Merck Patent GmbH
    Inventors: Tatsushi Murakami, Akihiro Nakanishi, Dieter Lubda, Michael Schulte
  • Patent number: 8779059
    Abstract: An optical semiconductor sealing resin composition includes a rubber-particle-dispersed epoxy resin (A) containing an alicyclic epoxy resin and, dispersed therein, rubber particles, in which the rubber particles comprise a polymer including one or more (meth)acrylic esters as essential monomeric components and have a hydroxyl group and/or a carboxyl group in a surface layer thereof as a functional group capable of reacting with the alicyclic epoxy resin, the rubber particles have an average particle diameter of 10 nm to 500 nm and a maximum particle diameter of 50 nm to 1000 nm, and the difference in refractive index between the rubber particles and a cured article obtained from the optical semiconductor sealing resin composition is within ±0.02. The optical semiconductor sealing resin composition can give a cured article which exhibits excellent cracking resistance while maintaining satisfactory thermal stability and high transparency.
    Type: Grant
    Filed: July 22, 2009
    Date of Patent: July 15, 2014
    Assignee: Daicel Chemical Industries, Ltd.
    Inventors: Atsushi Sato, Hiroyuki Hirakawa
  • Patent number: 8753793
    Abstract: 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 ?m 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.
    Type: Grant
    Filed: January 15, 2009
    Date of Patent: June 17, 2014
    Assignee: Daicel Chemical Industries, Ltd.
    Inventors: Akira Eguchi, Masamichi Nishimura
  • Patent number: 8720944
    Abstract: A gas generator includes, a housing having a circumferential wall, a first end, and a second end, an inner tube member disposed in the housing, an outer space thereof being a combustion chamber, an outer circumference cylindrical member being such that one end opening abuts against a bottom plate of the second end, an annular porous member provided between the outer circumference cylindrical member and the cup-shaped inner tube member so as to form a space above the combustion chamber, a gas discharge path formed between the outer circumference cylindrical member and an inner wall surface of the circumferential wall portion of the housing; a communicating portion communicating the space and the gas discharge path, and being provided in the other end opening of the outer circumference cylindrical member; and a total cross-sectional area of the gas discharge port being smaller than a smallest cross-sectional area of a gas pathway.
    Type: Grant
    Filed: January 14, 2010
    Date of Patent: May 13, 2014
    Assignee: Daicel Chemical Industries, Ltd.
    Inventors: Tomoharu Kobayashi, Naoki Matsuda
  • Patent number: 8680267
    Abstract: A process produces an amide or lactam by subjecting an oxime compound to rearrangement in a solvent in the presence of: at least one catalyst selected from the group consisting of an aromatic compound (A1) containing a leaving group bound to a carbon atom constituting the aromatic ring, the aromatic ring including, as a constitutive atom thereof, a heteroatom or including, as a constitutive atom thereof, a carbon atom bound to an electron-withdrawing group, and a compound (A2) containing a structure of Formula (1): -G-LA (1) wherein G represents P, N, S, B or Si atom; and LA represents a leaving group, wherein G is bound to one or more atoms or groups in addition to LA; and a co-catalyst including a halogen-containing organic acid, to give the corresponding amide or lactam, wherein, when the aromatic compound (A1) alone is used as the catalyst, the solvent is at least one solvent selected typically from hydrocarbon solvents.
    Type: Grant
    Filed: June 10, 2009
    Date of Patent: March 25, 2014
    Assignee: Daicel Chemical Industries, Ltd.
    Inventors: Takahiro Iwahama, Tatsuya Nakano, Yasutaka Ishii
  • Patent number: 8672350
    Abstract: A cylindrical filter for a gas generator includes, a plurality of layers made of a porous metal plate in which a compressive strength (S1) of a predetermined region in at least one end in the height direction is set smaller than a compressive strength (S2) of a portion other than the S1 region, the porous metal plate being selected from the group consisting of expanded metal, metal lath, and perforated metal, and the S1 region corresponding to a region of 5 to 20% in length from both ends with respect to the overall height.
    Type: Grant
    Filed: May 27, 2011
    Date of Patent: March 18, 2014
    Assignee: Daicel Chemical Industries, Ltd.
    Inventor: Atsushi Hatomoto
  • Patent number: 8637623
    Abstract: Disclosed is a monomer having an electron-withdrawing substituent and a lactone skeleton, represented by Formula (1), wherein Ra represents, e.g., hydrogen or an alkyl group having 1 to 6 carbons; R1 represents, e.g., a halogen or an alkyl or haloalkyl group having 1 to 6 carbons; “A” represents an alkylene group having 1 to 6 carbons, oxygen, sulfur, or is nonbonding; “m” denotes an integer of 0 to 8; Xs each represent an electron-withdrawing substituent; “n” denotes an integer of 1 to 9; and Y represents a bivalent organic group having 1 to 6 carbons. The monomer is useful as a monomer component typically for a highly functional polymer, because, when the monomer is applied to a resist resin, the resin is stable and resistant to chemicals, is highly soluble in organic solvents, and has improved hydrolyzability and/or solubility in water after hydrolysis.
    Type: Grant
    Filed: February 3, 2009
    Date of Patent: January 28, 2014
    Assignee: Daicel Chemical Industries, Ltd.
    Inventors: Hiroshi Koyama, Kyuhei Kitao, Akira Eguchi
  • Patent number: 8613821
    Abstract: Provided is a basic metal nitrate suitable as an oxidizing agent for a gas generating agent, which is a basic metal nitrate having a good thermal stability and meeting at least one requirement of the following (a) to (d): (a) a particle diameter of 0.5 to 40 ?m; (b) a degree of crystallinity having 0.4 deg or less of a half band width of the peak in the X-ray analysis; (c) an initiation temperature of weight loss being 220° C. or higher according to TG-DTA analysis; and (d) an impurity content of 1,000 ppm or less based on Na atom. Further provided is a gas generating composition which has a low toxicity, a high burning rate and a low combustion temperature and which is used in a gas generator for an air bag. The gas generating composition comprises (a) tetrazole derivatives, guanidine derivatives or a mixture thereof, (b) a basic metal nitrate and (c) a binder and/or a slag-forming agent.
    Type: Grant
    Filed: September 8, 2010
    Date of Patent: December 24, 2013
    Assignee: Daicel Chemical Industries, Ltd.
    Inventors: Xingxi Zhou, Kazuyuki Matsuoka, Jianzhou Wu, Yo Yamato, Takeshi Takahori, Kaoru Yamazaki
  • Patent number: 8590929
    Abstract: The present invention provides a gas generator for a restraining apparatus of a vehicle, including a combustion chamber, a tabular cushion member being disposed on a bottom portion of the combustion chamber, the solid gas generating agent as a gas generating source, being charged in the combustion chamber inside the gas generator together with the cushion member, the combustion chamber being substantially in a cup shape in which an inner diameter (D1) of an opening is smaller than an inner diameter (D2) of the bottom portion, the cushion member including a circular portion serving as a base part and a plurality of protrusions protruding from a peripheral edge of the circular portion, an outer diameter (d1) of the circular portion and the inner diameter (D1) of the opening satisfying a relationship of d1<D1, and an outer diameter (d2) including the protrusions satisfying relationships of d2>D1 and d2?D2.
    Type: Grant
    Filed: March 29, 2011
    Date of Patent: November 26, 2013
    Assignee: Daicel Chemical Industries, Ltd.
    Inventors: Masayuki Nakayasu, Gen Kinoshita
  • Patent number: 8591734
    Abstract: A method comprising liquefying a gas to thereby obtain a liquefied gas; injecting a sample into a mobile phase containing a solvent and a supercritical fluid formed from the liquefied gas; passing this mobile phase through a column so that the mobile phase containing desired substance is divided into the solvent and the gas; and separating the desired substance from the solvent, wherein when the pressure of the gas divided from the mobile phase is higher than the pressure of the gas fed for formation of the liquefied gas from gas supply device, the gas divided from the mobile phase is liquefied. Further, there is provided a vapor liquid separator for use in the method.
    Type: Grant
    Filed: October 20, 2009
    Date of Patent: November 26, 2013
    Assignee: Daicel Chemical Industries, Ltd.
    Inventor: Akihiro Matabe
  • Patent number: 8530134
    Abstract: Disclosed is a process for producing a photoresist polymeric compound. The process includes the steps of polymerizing a monomer mixture containing at least one monomer selected from a monomer (a) containing a group capable of leaving with an acid to allow the polymeric compound to be soluble in an alkali, a monomer (b) having a lactone skeleton, and a monomer (c) having a hydroxyl-containing alicyclic skeleton, to give a polymer; passing a solution containing the polymer through a filter including a porous membrane having an anion-exchange group to give a polymer solution; and thereafter passing the polymer solution through a filter including a porous membrane having a cation-exchange group. The polymer solution before passing through the filter including a porous membrane having a cation-exchange group preferably has a content of metals of 1000 ppb by weight or less per the weight of the polymer.
    Type: Grant
    Filed: May 18, 2010
    Date of Patent: September 10, 2013
    Assignee: Daicel Chemical Industries, Ltd.
    Inventor: Tadashi Teranishi
  • Patent number: 8530539
    Abstract: Disclosed is a photocurable resin composition for nanoimprint, containing a curable monomer component with or without a binder resin. The composition further contains 0.001 to 5 parts by weight of a compound having a reactive functional group and a hydrophobic functional group in the same molecular skeleton, per 100 parts by weight of the total amount of the curable monomer component and binder resin. Preferably, the reactive functional group is at least one functional group selected from the group consisting of hydroxyl groups, epoxy groups, vinyl ether groups, oxetanyl groups, alkoxysilane groups, and free-radically polymerizable vinyl groups, and the hydrophobic functional group is at least one functional group selected from the group consisting of fluorine-containing groups, alkylsilane groups, alicyclic hydrocarbon groups, and aliphatic hydrocarbon groups having 4 or more carbon atoms.
    Type: Grant
    Filed: January 8, 2009
    Date of Patent: September 10, 2013
    Assignee: Daicel Chemical Industries, Ltd.
    Inventors: Hiroto Miyake, Shuso Iyoshi
  • Patent number: 8469398
    Abstract: A gas generator includes, a tubular housing including, on a circumferential surface thereof, first and second gas discharge port groups, the second gas discharge port group being separated axially from the first gas discharge port group, both being closed by a seal member, a first closing member having an ignition device and a second closing member, closing one end and the other end of the tubular housing, respectively, opening pressures P1 and P2 for opening the first and second gas discharge port groups, satisfying a relationship P1<P2, the first gas discharge port group being positioned at a center portion in the axial direction of the tubular housing or in the vicinity thereof, and the second gas discharge port group being positioned at a center portion between the first gas discharge port group and the second closing member or in the vicinity thereof, respectively.
    Type: Grant
    Filed: April 18, 2011
    Date of Patent: June 25, 2013
    Assignee: Daicel Chemical Industries, Ltd.
    Inventor: Kenji Numoto