Patents Assigned to Chisso Corporation
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Patent number: 7943207Abstract: A liquid crystal composition having a nematic phase that includes two components, wherein the first component is a specific four-membered ring compound having a large maximum temperature, and the second component is a specific four-membered ring compound having a large dielectric anisotropy and a large optical anisotropy, and a liquid crystal display device containing the composition.Type: GrantFiled: August 26, 2009Date of Patent: May 17, 2011Assignees: Chisso Corporation, Chisso Petrochemical CorporationInventors: Takashi Yoshino, Makoto Hamano, Masayuki Saito
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Publication number: 20110109867Abstract: A liquid crystal composition is provided that satisfies at least one of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a small viscosity, a suitable optical anisotropy, a negatively large dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or that is suitably balanced regarding at least two of the characteristics. The crystal liquid display device using the composition is suitable for an AM device that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth, and can be used for a liquid crystal projector, a liquid crystal television and so forth.Type: ApplicationFiled: July 23, 2009Publication date: May 12, 2011Applicants: CHISSO CORPORATION, CHISSO PETROCHEMICAL CORPORATIONInventors: Norikatsu Hattori, Masayuki Saito
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Patent number: 7939617Abstract: A polysiloxane represented by the formula (1) or (2): where R, R1, R2, m and n are defined in the specification.Type: GrantFiled: December 14, 2007Date of Patent: May 10, 2011Assignee: Chisso CorporationInventors: Nobumasa Ootake, Kazuhiro Yoshida, Kenichi Watanabe, Yasuhito Yamaryo
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Publication number: 20110095228Abstract: The invention is to provide a liquid crystal composition that satisfies at least one characteristic among the characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a small viscosity, a large optical anisotropy, a large dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or that is suitably balanced concerning at least two characteristics. The invention is to provide an AM device that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth. The invention is to provide a liquid crystal composition having a nematic phase that contains a specific five-membered ring compound having a large optical anisotropy and a large dielectric anisotropy as a first component and a specific compound having a small viscosity as a second component, and a liquid crystal display device containing the composition.Type: ApplicationFiled: August 20, 2008Publication date: April 28, 2011Applicants: CHISSO CORPORATION, CHISSO PETROCHEMICAL CORPORATIONInventors: Masayuki Saito, Shigeru Kibe
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Publication number: 20110097519Abstract: Subject The subject is to provide a liquid crystal composition that satisfies at least one of characteristics such as a high maximum temperature of the nematic phase, a low minimum temperature of the nematic phase, a small viscosity, a suitable optical anisotropy, a large negative dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or that is suitably balanced regarding at least two of the characteristics. The subject is also to provide the AM device that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life, and so forth.Type: ApplicationFiled: August 13, 2010Publication date: April 28, 2011Applicants: CHISSO CORPORATION, CHISSO PETROCHEMICAL CORPORATIONInventors: Takayoshi Yanai, Masayuki Saito
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Publication number: 20110096285Abstract: The subject is to provide a liquid crystal composition that satisfies at least one of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a small viscosity, a suitable optical anisotropy, a large dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or that is suitably balanced regarding at least two characteristics. The subject is to provide an AM device that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth. The invention provides a liquid crystal composition having a negative dielectric anisotropy that contains a specific compound having negatively large dielectric anisotropy as the first component, and has a specific two ring compound having a low viscosity as the second component, and provides a liquid crystal display device containing the composition.Type: ApplicationFiled: October 21, 2010Publication date: April 28, 2011Applicants: CHISSO CORPORATION, CHISSO PETROCHEMICAL CORPORATIONInventor: Masayuki SAITO
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Publication number: 20110089373Abstract: The subject is to provide a liquid crystal composition that satisfies at least one of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a small viscosity, a large optical anisotropy, a negatively large dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or that is suitably balanced regarding at least two of the characteristics. The subject is to provide a AM device that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth.Type: ApplicationFiled: August 20, 2010Publication date: April 21, 2011Applicants: CHISSO CORPORATION, CHISSO PETROCHEMICAL CORPORATIONInventors: Takayoshi Yanai, Masayuki Saito
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Publication number: 20110091693Abstract: A material of cured film, a thermosetting film and a display device are provided. The thermosetting composition includes a solvent and at least one siloxane polymer selected from the group consisting of siloxane polymer (A) obtained by hydrolyzing or condensing a silane mixture containing a monofunctional silane represented by formula (1) and a trifunctional silane represented by formula (2), and siloxane polymer (B) obtained by hydrolyzing or condensing a silane mixture containing a bifunctional silane represented by formula (3) and a tetrafunctional silane represented by formula (4). R independently represents hydrogen, an alkyl group having 1 to 10 carbons whose arbitrary hydrogen can be replaced by a halogen, an aryl group having 6 to 10 carbons whose arbitrary hydrogen can be replaced by a halogen, or an alkenyl group having 2 to 10 carbons whose arbitrary hydrogen can be replaced by a halogen. R? independently represents a hydrolyzable group.Type: ApplicationFiled: September 29, 2010Publication date: April 21, 2011Applicant: CHISSO CORPORATIONInventors: YUKI OKAMOTO, YUUKI KIMURA, TOMOHIRO ETOU
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Publication number: 20110091703Abstract: A material of cured film, a thermosetting film and a display device are provided. The thermosetting composition includes a solvent and at least one siloxane polymer selected from the group consisting of siloxane polymer (A) obtained by hydrolyzing or condensing a silane mixture containing a mono functional silane represented by formula (1) and a trifunctional silane represented by formula (2), and siloxane polymer (B) obtained by hydrolyzing or condensing a silane mixture containing a bifunctional silane represented by formula (3) and a tetrafunctional silane represented by formula (4). R independently represents hydrogen, an alkyl group having 1 to 10 carbons whose arbitrary hydrogen can be replaced by a halogen, an aryl group having 6 to 10 carbons whose arbitrary hydrogen can be replaced by a halogen, or an alkenyl group having 2 to 10 carbons whose arbitrary hydrogen can be replaced by a halogen. R? independently represents a hydrolyzable group.Type: ApplicationFiled: September 16, 2010Publication date: April 21, 2011Applicant: CHISSO CORPORATIONInventors: YUKI OKAMOTO, YUUKI KIMURA, TOMOHIRO ETOU
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Patent number: 7926930Abstract: The invention relates to a method for manufacturing an inkjet ink including a polyamic acid (A), including a step of at least reacting one or more compounds selected from the group of a monoamine (a3) and a compound having one acid anhydride group (a4) with a compound having two or more acid anhydride groups (a1) and a diamine (a2).Type: GrantFiled: August 30, 2007Date of Patent: April 19, 2011Assignee: Chisso CorporationInventors: Hiroyuki Satou, Setsuo Itami, Takayuki Hattori
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Patent number: 7927671Abstract: The invention includes compounds represented by Formula (1): wherein Ra is a polymerizable group such as (meth)acryloyloxy, an oxirane ring, an oxetane ring or the like; A is 1,4-cyclohexylene, 1,4-phenylene or the like; Z is a single bond, alkylene having 1 to 20 carbon atoms or the like; Y is a single bond, alkylene having 1 to 20 carbon atoms or the like; and m and n are an integer of 0 to 5.Type: GrantFiled: September 21, 2007Date of Patent: April 19, 2011Assignees: Chisso Corporation, Chisso Petrochemical CorporationInventor: Takashi Kato
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Publication number: 20110086185Abstract: Subject The main aim of the invention is to provide a polymerizable liquid crystal compound that has a liquid crystal phase with a wide temperature range, an excellent compatibility with another polymerizable liquid crystal compound and an excellent solubility in organic solvent, and is polymerizable by heat and light even in air.Type: ApplicationFiled: September 30, 2010Publication date: April 14, 2011Applicants: CHISSO CORPORATION, CHISSO PETROCHEMICAL CORPORATIONInventors: DAISUKE OOTSUKI, JUNICHI INAGAKI
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Patent number: 7922814Abstract: In the production process of the present invention for high purity polycrystal silicon, using a vertical reactor having a silicon chloride gas-feeding nozzle and a reducing agent gas-feeding nozzle which are disposed at an upper part and a waste gas discharge pipe, a silicon chloride gas and a reducing agent gas are fed into the reactor to form polycrystal silicon at a tip part of the silicon chloride gas-feeding nozzle by the reaction of the silicon chloride gas with the reducing agent gas, and the polycrystal silicon is allowed to grow from the tip part of the silicon chloride gas-feeding nozzle toward a lower part thereof.Type: GrantFiled: November 3, 2006Date of Patent: April 12, 2011Assignee: Chisso CorporationInventors: Shuichi Honda, Minoru Yasueda, Satoshi Hayashida, Masatsugu Yamaguchi, Toru Tanaka
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Patent number: 7919648Abstract: The invention relates to compounds represented by Formula (1): wherein Ra is alkyl or the like; Rb is fluorine or —CF3; A is 1,4-cyclohexylene, 1,4-phenylene or the like; Z is a single bond, alkylene or the like; Y is a single bond, alkylene or the like; and m and n are an integer of approximately 0 to approximately 5.Type: GrantFiled: December 7, 2006Date of Patent: April 5, 2011Assignees: Chisso Corporation, Chisso Petrochemical CorporationInventor: Takashi Kato
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Patent number: 7914862Abstract: A liquid crystal compound is provided that has excellent characteristics, such as a negatively large dielectric anisotropy. A liquid crystal composition containing the compound, and a liquid crystal display device containing the composition are also provided. A compound having the three factors, i.e., (1) a tetrahydropyran ring, (2) —CH2O— or —OCH2— and (3) exhibits excellent characteristics including a negatively large dielectric anisotropy. The use of the compound having the characteristics provides an excellent liquid crystal composition and an excellent liquid crystal display device.Type: GrantFiled: May 4, 2009Date of Patent: March 29, 2011Assignees: Chisso Corporation, Chisso Petrochemical CorporationInventor: Tokifumi Masukawa
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Patent number: 7914860Abstract: A liquid crystal composition is provided that has a wide temperature range of a nematic phase, has a suitable optical anisotropy, has a large negative dielectric anisotropy and has a large specific resistance, and a liquid crystal composition is provided that can increase an optical anisotropy and has a low minimum temperature of a nematic phase, preferably ?20° C. or less, while satisfying the aforementioned characteristics. A liquid crystal display device containing the liquid crystal composition is also provided. The liquid crystal composition of the invention has a negative dielectric anisotropy and contains a liquid crystal compound having terphenyl having one or two fluorines replacing hydrogen as a first component and a liquid crystal compound having phenylene having two halogens replacing hydrogens as a second component. The liquid crystal display device of the invention contains the liquid crystal composition.Type: GrantFiled: March 5, 2007Date of Patent: March 29, 2011Assignees: Chisso Corporation, Chisso Petrochemical CorporationInventors: Hiroaki Fujita, Norikatsu Hattori
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Publication number: 20110062383Abstract: Disclosed are: a liquid crystal composition which satisfies at least one property selected from a high upper limit temperature in a nematic phase, a low lower limit temperature in a nematic phase, a low viscosity, high optical anisotropy, high dielectric anisotropy, a high specific resistance, high stability against ultraviolet ray, high stability against heat and the like or has a proper balance between at least two properties selected from the above-mentioned properties; and an AM element having a short response time, a high voltage holding ratio, a high contrast ratio, a long service life and the like.Type: ApplicationFiled: August 25, 2008Publication date: March 17, 2011Applicant: CHISSO CORPORATIONInventors: Shigeru Kibe, Masayuki Saito
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Publication number: 20110062384Abstract: Subject The subject is to provide a liquid crystal composition that satisfies at least one of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a small viscosity, a suitable optical anisotropy, a large dielectric anisotropy, a large elastic constant ratio, a small temperature dependence of the threshold voltage, a small frequency dependence of the dielectric anisotropy and a short helical pitch, or that is suitably balanced regarding at least two of the characteristics. The subject is to provide a STN device that has a short response time, a large contrast ratio, a low threshold voltage, a small electric power consumption, a steep voltage-transmission curve and a small light leak.Type: ApplicationFiled: August 24, 2010Publication date: March 17, 2011Applicants: CHISSO CORPORATION, CHISSO PETROCHEMICAL CORPORATIONInventors: Takayoshi YANAI, Takashi HIRAOKA, Masayuki SAITO
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Patent number: 7902173Abstract: The present invention provides a compound selected from sulfated cellulose and salts thereof which can be used as an active ingredient for a cutaneous external preparation produced intending to prevent, soften, improve or cure atopic cutaneous symptoms and the like and which are excellent in a hydrolytic resistance, and dermatitis therapeutic agents and cosmetics using the same.Type: GrantFiled: February 28, 2006Date of Patent: March 8, 2011Assignees: Chisso Corporation, Chisso Petrochemical CorporationInventors: Naoyuki Yoshida, Kazushi Ishida, Shuji Sasaki, Takuo Ikeda, Jun Hiraki, Shigeyuki Aoyama
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Patent number: RE42221Abstract: A polymerizable liquid crystal composition containing compounds represented by the formula (1-1) and the formula (1-2), compounds represented by the formula (2-1) and the formula (2-2), and a compound represented by the formula (3-1): the polymerizable liquid crystal composition having homogeneous, homeotropic, or hybrid alignment, which can be coated on a support substrate, for example, of a transparent plastic film such as a triacetyl cellulose film or cycloolefin polymer film, or glass, and is aligned on a substrate as a polymer film while maintaining the alignment.Type: GrantFiled: November 5, 2009Date of Patent: March 15, 2011Assignees: Chisso Corporation, Chisso Petrochemical CorporationInventors: Maiko Ito, Masami Kimura, Ryushi Shundo