Patents Assigned to Chisso Corporation
  • Patent number: 7595353
    Abstract: The invention provides a photocurable polymer composition having a fluorine-containing polymer and a fluorine-free polymer, and preferably further having a polymerizable double bond-containing compound and a photopolymerization initiator. The fluorine-containing polymer preferably includes a fluorosilsesquioxane skeleton.
    Type: Grant
    Filed: September 28, 2006
    Date of Patent: September 29, 2009
    Assignee: Chisso Corporation
    Inventors: Hisanobu Minamisawa, Mikio Yamahiro, Akira Meguro
  • Publication number: 20090237610
    Abstract: A liquid crystal composition having a nematic phase that includes two components, wherein the first component is at least one compound selected from the group of compounds represented by formulas (1-1) to (1-3), and the second component is at least one compound selected from the group of compounds represented by formula (2): wherein R1 is alkyl having 1 to 12 carbons, alkoxy having 1 to 12 carbons or alkenyl having 2 to 12 carbons; R2 and R3 are each independently alkyl having 1 to 12 carbons, alkoxy having 1 to 12 carbons, alkenyl having 2 to 12 carbons or alkenyl having 2 to 12 carbons in which arbitrary hydrogen is replaced by fluorine; ring A, ring B and ring C are each independently 1,4-cyclohexylene, 1,4-phenylene or 2-fluoro-1,4-phenylene, 2,5-difluoro-1,4-phenylene; Z1 and Z2 are each independently a single bond, ethylene, carbonyloxy or difluoromethyleneoxy, provided that at least one of Z1 and Z2 is difluoromethyleneoxy; Z3 and Z4 are each independently a single bond, ethylene or carbonyloxy; X1
    Type: Application
    Filed: March 13, 2009
    Publication date: September 24, 2009
    Applicants: CHISSO CORPORATION, CHISSO PETROCHEMICAL CORPORATION
    Inventors: Masayuki SAITO, Shigeru KIBE, Norikatsu HATTORI, Hiroyuki TANAKA
  • Publication number: 20090238849
    Abstract: A stretchable laminated sheet with hydrophilic properties, which particularly has an excellent feeling and stability in wearing and is capable of efficiently enhancing the effect and efficacy brought about by a liquid component on a skin or other object, when the stretchable laminated sheet is impregnated with the liquid component and wet and then used on the skin or other object.
    Type: Application
    Filed: March 10, 2009
    Publication date: September 24, 2009
    Applicants: Chisso Corporation, Chisso Polypro Fiber Co., Ltd.
    Inventors: Junji Iwata, Yasushi Matsuda
  • Publication number: 20090230356
    Abstract: A compound represented by the following formula (1), a liquid crystal composition containing the compound and a liquid crystal display device containing the composition: all the symbols in the formula (1) are defined in the specification.
    Type: Application
    Filed: March 18, 2009
    Publication date: September 17, 2009
    Applicants: CHISSO CORPORATION, CHISSO PETROCHEMICAL CORPORATION
    Inventor: Yasuyuki SASADA
  • Patent number: 7588806
    Abstract: The invention includes homeotropically aligned liquid crystal films obtained by applying a polymerizable liquid crystal composition containing at least one compound selected from the group consisting of polymerizable liquid crystal compounds represented by the following formula (1-1) to the following formula (1-3) onto a substrate having a polar surface, and polymerizing the composition: wherein R1 is methyl or ethyl; Z1 is a single bond, —COO—, —OCO—, —CH?CH—COO— or —CH2CH2—COO—; Z2 is —COO— or —OCO—; each Y is independently hydrogen or fluorine; X is —OCF3 or —CN; w is 0, 1 or 2; and a is an integer of 1 to 10.
    Type: Grant
    Filed: December 6, 2006
    Date of Patent: September 15, 2009
    Assignees: Chisso Corporation, Chisso Petrochemical Corporation
    Inventor: Yoshiharu Hirai
  • Patent number: 7569258
    Abstract: Such a liquid crystal compound is provided that has stability to heat, light and so forth, has a nematic phase in a wide temperature range, has a small viscosity, a suitable optical anisotropy, and suitable elastic constants K33 and K11 (K33: bend elastic constant, K11: splay elastic constant), and has suitable negative dielectric anisotropy and excellent compatibility with other liquid crystal compounds. A liquid crystal composition containing the liquid crystal compound, and a liquid crystal display device containing the liquid crystal composition are also provided.
    Type: Grant
    Filed: March 3, 2006
    Date of Patent: August 4, 2009
    Assignees: Chisso Corporation, Chisso Petrochemical Corporation
    Inventors: Yasuyuki Goto, Teru Shimada, Teruyo Sugiura
  • Patent number: 7569694
    Abstract: Provided are an organic electroluminescent device having better performances in luminous efficiency, device life and driving voltage, a display unit equipped with the same and a lighting instrument equipped with the same. The organic electroluminescent device comprises an electron transport layer containing a specific arylamine-substituted coumarin compound.
    Type: Grant
    Filed: January 29, 2007
    Date of Patent: August 4, 2009
    Assignees: Chisso Corporation, Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo
    Inventors: Toshihiro Koike, Manabu Uchida, Makoto Satsuki, Makoto Fujiwara, Ayashi Noguchi
  • Publication number: 20090191386
    Abstract: A positive photosensitive polymer composition of the invention contains: a copolymer obtained by the radical polymerization of monomers including a radical polymerizable monomer (a1) having a (meth)acryloyl group and a polyalkylene glycol group a terminal of which is an alkoxy group; and a 1,2-quinone diazide compound. The positive photosensitive polymer composition may further contain a copolymer obtained by the radical polymerization of monomers not including the monomer (a1).
    Type: Application
    Filed: January 14, 2009
    Publication date: July 30, 2009
    Applicant: CHISSO CORPORATION
    Inventors: Toshiyuki TAKAHASHI, Eiji WATANABE, Tomohiro ETOU, Yuuki KIMURA
  • Patent number: 7563492
    Abstract: A liquid crystal composition having a nematic phase that includes three components, wherein the first component is at least one compound selected from the group of compounds represented by formula (1), the second component is at least one compound selected from the group of compounds represented by formulas (2-1) to (2-3), and the third component is at least one compound selected from the group of compounds represented by formula (3): wherein R1, R2 and R4 are each independently alkyl having 1 to 12 carbons or alkenyl having 2 to 12 carbons; R3 is fluorine, alkyl having 1 to 12 carbons or alkenyl having 2 to 12 carbons; R5 is fluorine, chlorine, alkyl having 1 to 12 carbons or alkenyl having 2 to 12 carbons; R6 is alkenyl having 2 to 12 carbons; Y1 is fluorine, chlorine or trifluoromethoxy; X1, X2, X3 and X4 are each independently hydrogen or fluorine; and one of X5 and X6 is fluorine, and the other is hydrogen.
    Type: Grant
    Filed: November 14, 2006
    Date of Patent: July 21, 2009
    Assignees: Chisso Corporation, Chisso Petrochemical Corporation
    Inventors: Motoki Yanai, Hiroaki Kawashukuda, Shuichi Goto, Yasuhiro Kubo
  • Patent number: 7563917
    Abstract: The object of the present invention is to provide a new kind of silicon compound having an ester-type organic functional group and a new method for providing a T8-silsesquioxane compound having a hydroxyl group by using said silicon compound as the starting material. A silicon compound represented by formula (1) is obtained through the production process characterized by using a silicon compound represented by formula (2). wherein: in formula (1), each of seven R1 group is independently selected from the group consisting of hydrogen, alkyl, substituted or unsubstituted aryl, and substituted or unsubstituted arylalkyl and A2 is a hydroxyl-terminal organic functional group, and in formula (2), each of R1 group is the same as R1 in formula (1), and A1 is an organic functional group containing an acyloxy group.
    Type: Grant
    Filed: September 8, 2006
    Date of Patent: July 21, 2009
    Assignee: Chisso Corporation
    Inventors: Mikio Yamahiro, Hisao Oikawa, Kenya Ito, Masami Tanaka, Nobumasa Ootake, Kenichi Watanabe
  • Patent number: 7563580
    Abstract: A nucleic acid adsorbent in which a polymer having a constitutional unit represented by the following formula (I) is immobilized on a water-insoluble carrier is used as a nucleic acid adsorbent capable of selectively and efficiently adsorbing nucleic acids from complex mixtures, such as cell extract, wherein R1 represents hydrogen, fluoride, or methyl; R2 and R3 each independently represent alkyl of 1 to 6 carbon atoms; A is —NH— or —O—; and B represents alkylene of 2 to 18 carbon atoms. Nucleic acids are recovered from cell extract by allowing them to be adsorbed to the nucleic acid adsorbent by mixing this nucleic acid adsorbent with cell extract, removing the nucleic acids from the cell extract by separating the adsorbent therefrom, and dissociating the nucleic acids from the nucleic acid adsorbent by treating the separated nucleic acid adsorbent with alkali.
    Type: Grant
    Filed: February 27, 2008
    Date of Patent: July 21, 2009
    Assignees: Chisso Corporation, Kumamoto University
    Inventors: Chuichi Hirayama, Masayo Sakata, Masami Todokoro, Minoru Nakayama
  • Patent number: 7560146
    Abstract: A polymerizable liquid crystal composition excellent in storage stability and UV curing property and a polymer thereof are provided. The polymerizable liquid crystal composition contains a compound represented by formula (1) as a component (A), an optically active compound represented by formula (2) as a component (B), and a mixture of a photopolymerization initiator and a photosensitizer as a component (C), and a ratio of the component (A) is from 77 to 98% by weight, a ratio of the component (B) is from 1 to 15% by weight, and a ratio of the component (C) is from 1 to 8% by weight, based on a total weight of the composition: wherein Z independently represents a single bond or alkylene having from 1 to 10 carbon atoms; Y1 independently represents a single bond or —O—; R1 represents methyl or ethyl; A1 and A2 each independently represents 1,4-phenylene or 4,4?-biphenylene; Y2 represents —COO— or —OCO—; Q represents a single bond or oxyalkylene having from 1 to 10 carbon atoms; and p represents 0 or 1.
    Type: Grant
    Filed: July 30, 2007
    Date of Patent: July 14, 2009
    Assignees: Chisso Corporation, Chisso Petrochemical Corporation
    Inventors: Kazumi Hagihara, Seiki Mitani, Ryushi Shundo
  • Patent number: 7553468
    Abstract: Provided is a production method for producing a solid product by a reaction of gaseous raw materials with a plurality of components including a step of conducting the reaction using a reactor disposed in a vertical direction; a step of feeding the gaseous raw materials with a plurality of components from the upper part of the reactor; a step of, in the lower part of the reactor, forming a seal gas layer composed of a gas having a high density and fed continuously from the lower part of the reactor; a step of discharging an exhaust gas containing a by-product gas generated by the reaction and unreacted gaseous raw materials from somewhere in the upper part of the formed seal gas layer; and a step of accommodating a solid product in the seal gas layer of the lower part.
    Type: Grant
    Filed: March 7, 2008
    Date of Patent: June 30, 2009
    Assignee: Chisso Corporation
    Inventors: Shuuichi Honda, Toru Tanaka, Satoshi Hayashida
  • Publication number: 20090163652
    Abstract: A thermosetting resin composition containing a silsesquioxane derivative represented by the formula (1), cyclohexane-1,3,4-tricarboxylic 3,4-anhydride, and another acid anhydride, a cured material obtained by thermally curing the composition: The meanings of the symbols in the formula (1) are shown in the description.
    Type: Application
    Filed: December 18, 2008
    Publication date: June 25, 2009
    Applicant: CHISSO CORPORATION
    Inventors: Akio Tajima, Terumasa Kondo, Kazuhiro Yoshida
  • Publication number: 20090147210
    Abstract: A liquid crystal composition having a nematic phase that includes two components, wherein the first component is at least one compound selected from the group of compounds represented by formula (1), and the second component is at least one compound selected from the group of compounds represented by formula (2): wherein R1 is alkyl having 1 to 12 carbons, alkoxy having 1 to 12 carbons or alkenyl having 2 to 12 carbons; R2 and R3 are each independently alkyl having 1 to 12 carbons, alkoxy having 1 to 12 carbons, alkenyl having 2 to 12 carbons or alkenyl having 2 to 12 carbons in which arbitrary hydrogen is replaced by fluorine; ring A and ring B are each independently 1,4-cyclohexylene, 1,3-dioxan-2,5-diyl, 1,4-phenylene, 3-fluoro-1,4-phenylene, 3,5-difluoro-1,4-phenylene or 2,5-pyrimidine; Z1 is a single bond, ethylene, carbonyloxy or difluoromethyleneoxy; X1 and X2 are each independently hydrogen or fluorine; and p is 0, 1 or 2.
    Type: Application
    Filed: December 5, 2008
    Publication date: June 11, 2009
    Applicants: CHISSO CORPORATION, CHISSO PETROCHEMICAL CORPORATION
    Inventor: Masayuki Saito
  • Patent number: 7541071
    Abstract: The compound of the invention is represented by Formula (1a) or Formula (1b) wherein R1 is a monovalent group; P1 and P2 are a monovalent group having an acrylic group and a hydroxyl group; A1, A2, and B1 are a divalent cyclic group; X1, X2, X3, X4, Y1 and Y2 are a bonding group.
    Type: Grant
    Filed: December 22, 2004
    Date of Patent: June 2, 2009
    Assignees: Chisso Corporation, Chisso Petrochemical Corporation
    Inventors: Ryushi Shundo, Tomohiro Eto
  • Publication number: 20090135368
    Abstract: A liquid crystal medium is described, which has a wide temperature range of a liquid crystal phase, a large optical anisotropy and a large dielectric anisotropy and exhibits an optically isotropic liquid crystal phase. The liquid crystal medium is characterized in including a chiral dopant and a liquid crystal compound with a chlorophenyl ring and exhibiting an optically isotropic liquid crystal phase.
    Type: Application
    Filed: November 19, 2008
    Publication date: May 28, 2009
    Applicants: CHISSO CORPORATION, CHISSO PETROCHEMICAL CORPORATION
    Inventors: YASUHIRO HASEBA, TAKASHI KUNINOBU
  • Publication number: 20090121187
    Abstract: The invention includes compounds represented by Formula (1): wherein R represents hydrogen or methyl; A represents alkylene having from 1 to 12 carbon atoms, wherein in the alkylene, arbitrary —CH2— may be replaced by —O—, —S—, —CH?CH—, —CO—, —COO— or —OCO—; X and Y each independently represent an aromatic ring or a cyclohexane ring, wherein in the rings, arbitrary hydrogen may be replaced by alkyl having from 1 to 3 carbon atoms; Z independently represents a single bond, —O—, —S—, —COO—, —OCO—, —CON(R1)— or —N(R1)CO—, wherein R1 represents hydrogen or methyl; and m represents an integer of from 0 to 3.
    Type: Application
    Filed: November 7, 2008
    Publication date: May 14, 2009
    Applicants: CHISSO CORPORATION, CHISSO PETROCHEMICAL CORPORATION
    Inventor: MAYUMI TANABE
  • Patent number: 7527746
    Abstract: A compound represented by the following general formula (1a) or (1b), a liquid crystal composition containing the compound, and a polymer obtained by polymerizing the compound or the composition: wherein R1 represents a fluorine atom, an alkyl group or the like; Y1 and Y2 each independently represents alkylene or the like; A1, A2, B1 and B2 each independently represents 1,4-cyclohexylene, 1,4-phenylene or the like; X1 and X2 each independently represents a single bond, —COO—, —OCO— or the like; m represents 0, 1 or 2; and G represents hydrogen, methyl or the like.
    Type: Grant
    Filed: December 22, 2005
    Date of Patent: May 5, 2009
    Assignees: Chisso Corporation, Chisso Petrochemical Corporation
    Inventor: Ryushi Syundo
  • Patent number: 7527837
    Abstract: The compound provided by the present invention is a polymerizable optically active compound represented by Formula (1): wherein R1 is hydrogen, chlorine or bromine; R2 is hydrogen, methyl or ethyl; A1 is 1,4-phenylene, biphenyl-4,4?-diyl, naphthalene-2,6-diyl or pyridine-2,5-diyl, provided that in the 1,4-phenylene arbitrary hydrogen may be replaced by chlorine, bromine or fluorine, and in the biphenyl-4,4?-diyl arbitrary hydrogen may be replaced by chlorine, bromine or fluorine; and X1 is a single bond, —CH?CH— or —CH2CH2—.
    Type: Grant
    Filed: November 29, 2006
    Date of Patent: May 5, 2009
    Assignees: Chisso Corporation, Chisso Petrochemical Corporation
    Inventors: Ryushi Shundo, Kazuhiko Saigusa