Patents Assigned to Asahi Kasei Chemicals Corporation
  • CATALYST COMPOSITION FOR POLYMERIZING CONJUGATED DIENE MONOMER
    Publication number: 20140378620
    Abstract: There is provided a catalyst composition for polymerizing a conjugated diene monomer containing a rare earth complex having a specific structure and a specific compound.
    Type: Application
    Filed: January 30, 2013
    Publication date: December 25, 2014
    Applicant: Asahi Kasei Chemicals Corporation
    Inventors: Katsuhiro Iwase, Yuji Kosugi
  • TAB leader tape made of polyphenylene ether-based resin
    Patent number: 8916633
    Abstract: A film is used as a TAB leader tape. The film comprises 45 parts by mass or more of a polyphenylene ether-based resin and 55 parts by mass or less of at least one component selected from a thermoplastic resin and a plasticizer based on 100 parts by mass of the film. The film optionally includes inorganic filler and other additional components.
    Type: Grant
    Filed: February 4, 2010
    Date of Patent: December 23, 2014
    Assignee: Asahi Kasei Chemicals Corporation
    Inventor: Hiroshi Kamo
  • Method for Producing Modified Conjugated Diene Polymer, Modified Conjugated Diene Polymer, Modified Conjugated Diene Polymer Composition, Rubber Composition and Tire
    Publication number: 20140371383
    Abstract: A method for producing a modified conjugated diene polymer comprising a polymerization step of obtaining a conjugated diene polymer containing a nitrogen atom in a polymer chain and an active end by copolymerizing a conjugated diene compound and a nitrogen atom-containing vinyl compound, or a conjugated diene compound, an aromatic vinyl compound and a nitrogen atom-containing vinyl compound by use of an alkali metal compound and/or an alkaline earth metal compound as a polymerization initiator, and a modification step of reacting a modifier.
    Type: Application
    Filed: August 22, 2012
    Publication date: December 18, 2014
    Applicant: ASAHI KASEI CHEMICALS CORPORATION
    Inventors: Daisuke Hayata, Chigusa Yamada, Junichi Yoshida, Takaaki Matsuda, Yuichi Kitagawa
  • Method for Producing Scyllo-Inositol
    Publication number: 20140370549
    Abstract: The disclosure provides a method of producing a scyllo-inositol or a new scyllo-inositol derivative in a one-step process, from ubiquitous and inexpensive raw materials. Also provided is a scyllo-inositol derivative bonded to saccharides such as glucose and similar.
    Type: Application
    Filed: January 22, 2013
    Publication date: December 18, 2014
    Applicant: ASAHI KASEI CHEMICALS CORPORATION
    Inventors: Kazunobu Konishi, Shinichi Imazu
  • Absorbent composite material and method for manufacturing the same
    Patent number: 8906176
    Abstract: An absorbent composite comprising: a base material and water-absorbent resin particles; wherein the following conditions (1) to (4) are fulfilled: (1) the weight ratio of water-absorbent resin relative to the total weight of the base material and water-absorbent resin is 65 to 99 wt %, (2) the water-absorbent resin particles adhering directly to the base material constitute 50 wt % or more of the total water-absorbent resin particles; (3) the average absorption capacity of the water-absorbent resin particles is 50 g/g or more; and (4) the amount of residual monomers in the water-absorbent resin is 200 ppm or less.
    Type: Grant
    Filed: October 25, 2011
    Date of Patent: December 9, 2014
    Assignee: Asahi Kasei Chemicals Corporation
    Inventors: Tsutomu Akiyama, Tamotsu Kodama, Masataka Nishi, Hiroshige Okamoto
  • Crosslinked Composition, Method for Producing Crosslinked Composition, and Molded Product
    Publication number: 20140357798
    Abstract: A crosslinked composition is obtained by crosslinking a composition, containing: 1 to 99 parts by mass of a vinyl aromatic copolymer rubber (I) comprising 5 to 70% by mass of a vinyl aromatic monomer unit and 0.1 to 30% by mass of a conjugated diene monomer unit and having one or more tan ? peak temperatures between 75° C. and 125° C.; 99 to 1 parts by mass of an ethylenic copolymer rubber (II); 10 to 100 parts by mass of an olefinic resin (III) based on 100 parts by mass of a total amount of the vinyl aromatic copolymer rubber (I) and the ethylenic copolymer rubber (II); and 0.01 to 50 parts by mass of a crosslinking agent (IV) based on 100 parts by mass of the total amount of the vinyl aromatic copolymer rubber (I) and the ethylenic copolymer rubber (II).
    Type: Application
    Filed: September 14, 2012
    Publication date: December 4, 2014
    Applicant: ASAHI KASEI CHEMICALS CORPORATION
    Inventors: Daisuke Shimizu, Yoshifumi Araki, Katsumi Suzuki
  • Resin-coated metal pigment, and process for producing same
    Patent number: 8900708
    Abstract: Disclosed is a resin-coated metal pigment comprising 100 parts by weight of a metal pigment and 0.1 to 50 parts by weight of a resin, wherein the resin is attached on the surface of the metal pigment. The resin-coated metal pigment is produced by circulating a portion of a slurry solution containing the metal pigment in an external-circulation type vessel during the resin coating treatment in a reaction vessel and applying a vibration to the external-circulation type vessel with an ultrasonic wave.
    Type: Grant
    Filed: September 18, 2009
    Date of Patent: December 2, 2014
    Assignee: Asahi Kasei Chemicals Corporation
    Inventors: Fahmi Yunazar, Shigeki Katsuta
  • Electrode, and lithium ion secondary battery, electric double layer capacitor and fuel cell using the same
    Patent number: 8900754
    Abstract: The present invention provides an electrode comprising a carbon material obtained from an azulmic acid and a current collector and/or a binder.
    Type: Grant
    Filed: June 17, 2013
    Date of Patent: December 2, 2014
    Assignee: Asahi Kasei Chemicals Corporation
    Inventors: Hidenori Hinago, Masashi Ishikawa
  • Polyphenylene ether, resin composition, and molded body of resin composition
    Patent number: 8901222
    Abstract: The polyphenylene ether according to the present invention includes 5 to 20% by mass of a component having a molecular weight of 50,000 or more and 12 to 30% by mass of a component having a molecular weight of 8,000 or less. The resin composition according to the present invention includes the polyphenylene ether (a) and a hydrogenated block copolymer (b) prepared by hydrogenating a block copolymer including at least two polymer blocks A having a vinyl aromatic compound and at least one polymer block B having a conjugated diene compound, wherein the number average molecular weight (Mnb) of the hydrogenated block copolymer is 100,000 or less, and the number average molecular weight (MnbA) of at least one polymer block of the polymer blocks A is 8,000 or more.
    Type: Grant
    Filed: October 13, 2010
    Date of Patent: December 2, 2014
    Assignee: Asahi Kasei Chemicals Corporation
    Inventors: Shunichiro I, Yoshikuni Akiyama, Hiroshi Kamo, Yoshifumi Araki, Toru Yamaguchi, Tomohiro Kondo
  • Flame-retardant resin composition
    Patent number: 8901214
    Abstract: The present invention provides a resin composition that simultaneously (1) supports high productivities, (2) is resistant to bleed out by the flame retardant present in the composition, (3) is resistant to migration of its components to another resin, (4) exhibits a high flame retardancy, and (5) exhibits high flexibility. The resin composition includes components (A) a polyphenylene ether, (B) a hydrogenated copolymer, (C) a styrene resin and/or olefin resin, and (D) a metal phosphinate, wherein the component (B) includes (B1) a polymer block principally comprising an aromatic vinyl monomer unit, and (B2) a hydrogenated copolymer block principally comprising an aromatic vinyl monomer unit and a conjugated diene monomer unit, and a content of the aromatic vinyl monomer unit in the (B2) is 20 to 95% by weight, and a content of the aromatic vinyl monomer unit in the (B) is 35 to 80% by weight.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: December 2, 2014
    Assignee: Asahi Kasei Chemicals Corporation
    Inventors: Yoshifumi Araki, Takashi Sato, Takahiro Hisasue
  • Process for producing isocyanates using diaryl carbonate
    Patent number: 8895774
    Abstract: An object of the present invention is to provide a process that enables isocyanate to be produced stably over a long period of time and at high yield without encountering problems of the prior art during production of isocyanate without using phosgene.
    Type: Grant
    Filed: May 15, 2008
    Date of Patent: November 25, 2014
    Assignee: Asahi Kasei Chemicals Corporation
    Inventors: Masaaki Shinohata, Nobuhisa Miyake
  • Automotive lamp extension molding
    Patent number: 8895655
    Abstract: [Problem to be Solved] The present invention has an object to provide an automotive lamp extension molding comprising a resin composition having a low specific gravity, being excellent in the balance of heat resistance and fluidity, and being excellent in gloss and brightness feeling of the surface of the molded article. [Solution] The automotive lamp extension molding according to the present invention comprises a resin composition comprising 50 to 95 mass % of a polyphenylene ether (A), and having a specific gravity in the range of 1.00 to 1.12. The reduced viscosity (measured at 30° C. using a chloroform solvent) of the (A) component is preferably 0.25 to 0.45 dl/g, and more preferably 0.25 to 0.38 dl/g.
    Type: Grant
    Filed: November 22, 2011
    Date of Patent: November 25, 2014
    Assignee: Asahi Kasei Chemicals Corporation
    Inventors: Toru Yamaguchi, Hiroaki Furukawa, Takeshi Fujisawa, Akira Mitsui
  • Thermoplastic acrylic resin, and molded product thereof
    Patent number: 8895682
    Abstract: The present invention provides a thermoplastic acrylic resin of a copolymer comprising 10 to 70% by weight of a repeating unit derived from the particular methacrylate monomer, 5 to 40% by weight of a repeating unit derived from the particular vinyl aromatic monomer, and 20 to 50% by weight of a repeating unit of the particular cyclic acid anhydride, characterized in that a molar ratio (B/A) is within the range of more than 1 to not more than 10, wherein (A) is a content of the repeating unit of the vinyl aromatic monomer and (B) is a content of the repeating unit of the cyclic acid anhydride, and the total amount of remaining monomers to 100 parts by weight of the copolymer is not more than 0.5 part by weight.
    Type: Grant
    Filed: June 23, 2009
    Date of Patent: November 25, 2014
    Assignee: Asahi Kasei Chemicals Corporation
    Inventors: Masami Yonemura, Mayuko Kimura
  • Method of Separation
    Publication number: 20140332367
    Abstract: The present invention provides a separation method of separating (A) and (B), comprising: a step of separating at least either an active hydrogen-containing compound (A) or a compound (B) that reversibly reacts with (A) from a mixture containing (A) and (B) by distillation in a multistage distillation column; and a step of supplying the mixture to an inactive region formed within the multistage distillation column.
    Type: Application
    Filed: March 30, 2012
    Publication date: November 13, 2014
    Applicant: ASAHI KASEI CHEMICALS CORPORATION
    Inventors: Masaaki Shinohata, Nobuhisa Miyake
  • Process for producing resin-coated metal pigment
    Patent number: 8883255
    Abstract: Disclosed is a process for producing a resin-coated metal pigment comprising 100 parts by weight of a metal pigment and 0.1 to 50 parts by weight of a resin, wherein the resin is attached on the surface of the metal pigment, the process comprising applying an ultrasonic vibration during resin coating treatment.
    Type: Grant
    Filed: November 26, 2013
    Date of Patent: November 11, 2014
    Assignee: Asahi Kasei Chemicals Corporation
    Inventors: Fahmi Yunazar, Shigeki Katsuta
  • Porous membrane, process for producing porous membrane, process for producing clarified liquid, and porous-membrane module
    Patent number: 8883066
    Abstract: A porous membrane with the membrane wall constructed of a hydrophobic polymer and a hydrophilic polymer, wherein when the membrane wall is divided into 3 sections in the film thickness direction to form region “a” containing one wall surface A of the membrane wall, region “c” containing the other wall surface C and region “b” between region “a” and region “c”, the hydrophilic polymer content ratio Ca in region “a” is greater than the hydrophilic polymer content ratio Cc in region “c”, and the mean pore size of the wall surface C is larger than the mean pore size of the wall surface A.
    Type: Grant
    Filed: July 8, 2013
    Date of Patent: November 11, 2014
    Assignee: Asahi Kasei Chemicals Corporation
    Inventor: Satoshi Shiki
  • N-substituted carbamic acid ester production method and isocyanate production method using the N-substituted carbamic acid ester
    Patent number: 8884047
    Abstract: The present invention provides a method for producing N-substituted carbamic acid-O-aryl ester derived from a compound having an ureido group, the method comprising the step of carrying out esterification or esterification and transesterification from the compound having the ureido group and a hydroxy composition containing one type or a plurality of types of hydroxy compounds.
    Type: Grant
    Filed: September 29, 2009
    Date of Patent: November 11, 2014
    Assignee: Asahi Kasei Chemicals Corporation
    Inventors: Nobuhisa Miyake, Masaaki Shinohata, Atsushi Okubo
  • Reflector for light-emitting device, and light-emitting device
    Patent number: 8883048
    Abstract: The present invention relates to a reflector for a light-emitting device consisting of (A) an polyamide composition comprising a polyamide polymerized from (a) a dicarboxylic acid comprising at least 50 mol % of an alicyclic dicarboxylic acid and (b) a diamine comprising at least 50 mol % of a diamine with a branched main chain.
    Type: Grant
    Filed: September 7, 2010
    Date of Patent: November 11, 2014
    Assignees: Asahi Kasei Chemicals Corporation, Nichia Corporation
    Inventors: Kazuhiko Hashimoto, Kazunori Terada, Masafumi Kuramoto, Motohisa Kitani
  • Metallic-pigment composition
    Patent number: 8871833
    Abstract: Provided is a metallic-pigment composition which is usable in coating compositions or ink compositions, in particular, in water-based coating compositions or aqueous inks, and which gives coating compositions having excellent storage stability. The metallic-pigment composition gives a coating film having excellent performances with respect to brightness, hiding properties, flip-flop feeling, etc., causes no colorant or organic-pigment discoloration, and has excellent adhesion and chemical resistance. The metallic-pigment composition comprises one or more mixed-coordination-type heteropolyanion compounds, a hydrolyzate of a silicon compound and/or a condensate thereof, and metal particles.
    Type: Grant
    Filed: April 26, 2011
    Date of Patent: October 28, 2014
    Assignee: Asahi Kasei Chemicals Corporation
    Inventors: Kazuko Nakajima, Kaoru Ueyanagi
  • Absorbent Sheet and Method for Producing the Same
    Publication number: 20140315034
    Abstract: The present invention provides a method for producing an absorbent sheet containing absorbent resins, hydrophilic fibers, and hydrophobic fibers, comprising: a dehydration step of dehydrating the absorbent resins and the hydrophilic fibers from a state of being in contact with each other and containing water to obtain composite compositions; and a sheet-forming step of forming a sheet of the composite compositions and the hydrophobic fibers by heating while bringing the composite compositions and the hydrophobic fibers into contact with each other.
    Type: Application
    Filed: July 1, 2014
    Publication date: October 23, 2014
    Applicant: Asahi Kasei Chemicals Corporation
    Inventors: Tsutomu Akiyama, Hiroshige Okamoto, Yoshimasa Ishikawa