Patents Assigned to Toho Chemical Industry Co., Ltd.
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Publication number: 20090326159Abstract: The present invention relates to a cement dispersant, and an object thereof is to provide a cement dispersant having high water reducing property, low setting retardation and low concrete viscosity and taking also applicability into account. The cement dispersant comprises a polycarboxylic acid polymer formed by structural unit (I) composed of a reactive alcohol alkylene oxide adduct and structural unit (II) composed of a reactive dibasic acid, and preferably further structural unit (III) containing polyamide polyamine in the unit, wherein fumaric acid and/or a derivative thereof is used as a partial or main starting material of the structural unit (II). The cement dispersant is excellent in water reducing property, setting retardation and concrete viscosity.Type: ApplicationFiled: September 13, 2007Publication date: December 31, 2009Applicant: TOHO CHEMICAL INDUSTRY CO., LTD.Inventors: Akira Ikeda, Seiichi Koshisaka, Akira Suga, Tomohisa Okada
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Publication number: 20090215937Abstract: There is provided a practically useful aqueous resin composition which enables to obtain a coating film is satisfactory not only in corrosion resistance but also in coating adhesion when applied over a metal surface, specifically an aqueous resin composition which enables, in a form of a thin film having a thickness of about 0.1-5 ?m, to exhibit various properties practically required for surface treating agents for chromium-free surface-treated steel plates, namely excellent corrosion resistance, adhesion to steel plates, durability against alkaline degreasing agents or solvents which are used for removing a press oil used during press molding, adhesion to an overcoating material which is used for aesthetic purposes, mechanical stability and the like. The aqueous resin composition comprises 100 parts by mass of a copolymer of an ?,?-ethylenically unsaturated carboxylic acid and an olefin; and 0.Type: ApplicationFiled: March 7, 2007Publication date: August 27, 2009Applicant: TOHO CHEMICAL INDUSTRY CO., LTD.Inventors: Noriyuki Kikuchi, Yasunori Terunuma, Takashi Muramatsu, Mikio Akimoto, Kazuo Nobuchika, Tadashige Nakamoto
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Publication number: 20090123408Abstract: The present invention provides a novel polymer that can impart a moisturized feeling to the hair and skin after use.Type: ApplicationFiled: June 23, 2006Publication date: May 14, 2009Applicants: SHISEIDO CO., LTD., TOHO CHEMICAL INDUSTRY CO., LTD.Inventors: Tomohiko Kimura, Akira Noda, Hiroaki Yokoyama, Takuji Nozawa, Akio Suzuki
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Publication number: 20090114117Abstract: A leveling agent for water-based floor polishes which contains a nonionic surfactant, characterized in that the nonionic surfactant is at least one member selected from the group consisting of compounds represented by the general formula (1): R1—C(R2)H—CH2O—(C2H4O)m(C3H6O)n—H [wherein R1 represents C4-10 alkyl; R2 represents C6-12 alkyl; m is an integer of 1 to 10; n is an integer of 0 to 6; and the ethylene oxide unit(s) and the propylene oxide unit(s) are bonded in any desired sequence, i.e., in either block or random arrangement] and compounds represented by the general formula (II): R3O—(C2H4O)p(C3H6O)q—H [wherein R3 represents at least one residue of one or more aliphatic alcohols selected among 3,5,5-trimethylhexanol, isooctyl alcohol, isodecyl alcohol, isoundecyl alcohol, and isotridecyl alcohol; p is an integer of 0 to 8 and q is an integer of 0 to 8, provided that p+q is an integer of 2 to 8; and the ethylene oxide unit(s) and the propylene oxide unit(s) are bonded in any desired sequence, i.e.Type: ApplicationFiled: August 25, 2004Publication date: May 7, 2009Applicant: Toho Chemical Industry Co., Ltd.Inventors: Takashi Tokuue, Tetsuya Sayama, Yasunori Terunuma, Mikio Akimoto, Haruyoshi Miyauchi
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Patent number: 7393886Abstract: A superior cement dispersant and a concrete composition containing the cement dispersant, the cement dispersant being a water-soluble amphoteric copolymer which contains an alkylene oxide adduct of a polyamide polyamine having an unsaturated group and at least two types of polyalkylene glycol ester. When the cement dispersant is compounded with a concrete composition, the dispersion performance thereof increases with time, and the concrete viscosity is effectively decreased. The cement dispersant composition contains a water-soluble amphoteric copolymer or the neutralized salt thereof as an essential component, which is obtained by copolymerizing an alkylene oxide adduct of a polyamide polyamine having an unsaturated group, (meta)acrylic acid or an alkali metal, ammonium, or alkanolamine salt thereof, an ester of an alkylene glycol and methacrylic acid, and an ester of an alkylene glycol and acrylic acid. In addition, the concrete composition containing the above cement dispersant is also disclosed.Type: GrantFiled: June 25, 2004Date of Patent: July 1, 2008Assignees: Sika Ltd., Toho Chemical Industry Co., Ltd.Inventors: Hirofumi Bandoh, Wernher M. Danzinger, Jun Imamura, Kaname Saitoh, Tetsu Tomoyose, Atsushi Kobayashi, Akira Ikeda, Seiichi Koshisaka
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Patent number: 7388122Abstract: The present invention relates to dewaxing aids comprising the mixture of two or more polyalkyl(meth)acrylates having an exothermic heat initiation temperature within the specific range when chilled at 30° C./minute rate, to be added together with the wax-containing hydrocarbon oil to the dewaxing solvent. The dewaxing aid according to the present invention can be used in the solvent dewaxing method containing the stage in which the chilling rate during the chilling is 30° C./minute or higher, is effective for heavy type wax-containing hydrocarbon oils, and is chlorine-free.Type: GrantFiled: October 25, 2002Date of Patent: June 17, 2008Assignee: Toho Chemical Industry Co., LtdInventors: Naoki Haga, Akiyuki Hiraide
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Publication number: 20080090480Abstract: [Object] To provide a biodegradable polyester resin composition that can achieve excellent antistatic properties and surface lubricity while maintaining the molecular weight without deteriorating the appearance of the resin, even if a kneading method is employed. [Solving Means] A biodegradable polyester resin composition containing 0.05 to 10.0% by weight of a borate ester surfactant (a reactant of boric acid and a compound given by esterifying a polyol with a higher fatty acid, a salt of the reactant, a reactant obtained by reacting a higher fatty acid to a compound given by esterifying a polyol with boric acid, or the like) having one or more hydrophobic groups having 8 to 24 carbon atoms.Type: ApplicationFiled: January 18, 2005Publication date: April 17, 2008Applicant: TOHO CHEMICAL INDUSTRY CO., LTD.Inventors: Mikio Akimoto, Masaya Goino, Kazuyuki Nagasawa, Yasuhiro Kakita
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Publication number: 20080064778Abstract: The present invention provides a manufacturing method of a rigid polyurethane foam for a heat insulation material that satisfies performance required for practical use, such as a low thermal conductivity over a long period, and excellent adhesiveness and excellent dimensional stability under a low temperature environment. The manufacturing method of a rigid polyurethane foam for a heat insulation material, which is formed from blowing and molding using a mixture that includes polyisocyanate, a polyol, and a blowing agent, wherein a polyol prepared by addition-polymerizing ethylene oxide and propylene oxide to an aromatic monoamine compound or an aromatic diol compound.Type: ApplicationFiled: September 30, 2005Publication date: March 13, 2008Applicant: TOHO CHEMICAL INDUSTRY CO., LTD.Inventors: Miki Hasegawa, Tadashi Okawa, Tomohiro Noguchi
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Publication number: 20070298237Abstract: [Object] To provide a biodegradable resin composition that exhibits excellent antistatic properties and antifogging properties while maintaining its molecular weight to such a degree as to provide practically satisfactory strength of a molded article molded even according to a kneading process.Type: ApplicationFiled: April 25, 2005Publication date: December 27, 2007Applicant: TOHO CHEMICAL INDUSTRY CO., LTD.Inventors: Masaya Goino, Yasuhiro Kakida, Shoji Obuchi
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Patent number: 7312294Abstract: A norbornane lactone (meth)acrylate represented by the following general formula (1): where R1 denotes an alkylene group having 2 to 4 carbon atoms, n denotes an integer of 1 to 3, and R2 denotes a hydrogen atom or methyl group.Type: GrantFiled: December 17, 2004Date of Patent: December 25, 2007Assignee: Toho Chemical Industry Co., Ltd.Inventors: Kenichi Nakano, Naoya Kutsuzawa, Toshikatsu Nojiri
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Publication number: 20070117944Abstract: [Object] It is object to provide (meth)acrylate which is liquid state in ordinary temperature and is easy to handle and (meth)acrylate (co)polymer which is improved in solubility to solvent. [Means to Solve Problem] Norbornane lactone (meth)acrylate represented by the following general formula (1): (wherein R1, represents C2-4 alkylene group; n is an integer of 1 to 3; and R2 represents hydrogen atom or methyl group. (Co)polymer obtained by polymerizing a monomer mixture comprising a norbornane lactone (meth) acrylate represented by the general formula (1). Copolymer which is obtained by polymerizing a monomer mixture comprising at least one compound represented by the general formula (1) and at least one compound copolymerizable therewith and which has a weight-average molecular weight (Mw) of 2000 to 200000.Type: ApplicationFiled: December 17, 2004Publication date: May 24, 2007Applicant: TOHO CHEMICAL INDUSTRY CO., LTD.Inventors: Kenichi Nakano, Naoya Kutsuzawa, Toshikatsu Nojiri
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Publication number: 20070039515Abstract: [Object] To provide a cement dispersant and a concrete composition containing the cement dispersant, the cement dispersant having a superior effect of decreasing a high concrete paste viscosity while a water reducing effect, a slump flow retention, and rapid strength development are being satisfied in a region having a low water/binder ratio. [Solving Means] The cement dispersant for ultrahigh performance concrete is provided which is a water-soluble amphoteric copolymer obtained by copolymerizing (A) an alkylene oxide adduct of a polyamide polyamine having an unsaturated group, (B) (meta)acrylic acid or a salt thereof, (C) an ester of a short-chain alkylene glycol and (meth)acrylic acid, and (D) an ester of a long-chain alkylene glycol and (meth)acrylic acid at ratios A:B:C:D of 5 to 25:5 to 30:5 to 40:20 to 80 (percent by weight), in which the total is 100% percent by weight. In addition, the concrete composition containing the above cement dispersant is provided.Type: ApplicationFiled: June 25, 2004Publication date: February 22, 2007Applicant: TOHO CHEMICAL INDUSTRY CO., LTD.Inventors: Hirofumi Bandoh, Wernher Danzinger, Jun Imamura, Kaname Saitoh, Tetsu Tomoyose
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Publication number: 20070039516Abstract: [Object] To provide a superior cement dispersant and a concrete composition containing the cement dispersant, the cement dispersant being a water-soluble amphoteric copolymer which contains an alkylene oxide adduct of a polyamide polyamine having an unsaturated group and at least two types of polyalkylene glycol ester. When the cement dispersant is compounded with a concrete composition, the dispersion performance thereof increases with time, and the concrete viscosity is effectively decreased. [Solving Means] The cement dispersant composition contains a water-soluble amphoteric copolymer or the neutralized salt thereof as an essential component, which is obtained by copolymerizing (A) an alkylene oxide adduct of a polyamide polyamine having an unsaturated group, (B) (meta)acrylic acid or an alkali metal, ammonium, or alkanolamine salt thereof, (C) an ester of an alkylene glycol and methacrylic acid, and (C) an ester of an alkylene glycol and acrylic acid.Type: ApplicationFiled: June 25, 2004Publication date: February 22, 2007Applicants: SIKA LTD., TOHO CHEMICAL INDUSTRY CO., LTD.Inventor: HIROFUMI BANDOH
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Publication number: 20060275235Abstract: The present invention provides a cation-modified galactomannan polysaccharide which gives excellent conditioning effects and gives good feeling and flexibility when it is used in a hair treatment composition, and improves feeling of use by conditioning effects and emulsification conditions when it is used in a skin cosmetic composition such as body cleansing agent. Concretely, the present invention provides a cation-modified galactomannan polysaccharide obtained by substituting some of hydroxyl groups contained in an cation-modified galactomannan polysaccharide which is nonionic polysaccharide and constitutes mannose as a main chain and galactose as a side chain and the composition ratio of mannose and galactose is 1:1 and obtained from albumen portion of a seed of fenugreek (Trigonella foenum-graecum) which is a leguminus plant, with a specific quaternary nitrogen-containing group, and a cosmetic composition containing the cation-modified cation-modified galactomannan.Type: ApplicationFiled: May 7, 2004Publication date: December 7, 2006Applicant: Toho Chemical Industry Co., Ltd.Inventors: Hiromitsu Takeda, Yoshihiko Mori
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Patent number: 7038351Abstract: A metal-graphite brush for supplying electricity to a coil wound around a core provided at a rotor of a motor is made of sintered material having porosities at a surface of, or inside, the sintered material. The metal-graphite brush is infiltrated by a liquid containing a plurality of kinds of glycol ether having varying numbers of alkylene oxide structure units. The liquid has a boiling point higher than that of water.Type: GrantFiled: April 18, 2005Date of Patent: May 2, 2006Assignees: Aisin Seiki Kabushiki Kaisha, Toho Chemical Industry Co., Ltd.Inventors: Hiroshi Kobayashi, Michihiko Soutome
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Publication number: 20050236925Abstract: A metal-graphite brush for supplying electricity to a coil wound around a core provided at a rotor of a motor is made of sintered material having porosities at a surface of, or inside, the sintered material. The metal-graphite brush is infiltrated by a liquid containing a plurality of kinds of glycol ether having varying numbers of alkylene oxide structure units. The liquid has a boiling point higher than that of water.Type: ApplicationFiled: April 18, 2005Publication date: October 27, 2005Applicants: AISIN SEIKI KABUSHIKI KAISHA, TOHO CHEMICAL INDUSTRY CO., LTD.Inventors: Hiroshi Kobayashi, Michihiko Soutome
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Patent number: 6680348Abstract: A cement dispersant (especially a dispersant for concretes with ultrahigh performance) comprising as a main component a water-soluble amphoteric copolymer obtained by copolymerizing (A) a polyamide-polyamine of an alkylene oxide adduct thereof with (B) (meth)acrylic acid or an alkali metal, ammonium, or alkanolamine salt thereof and (C) a polyalkylene glycol ester of (meth)acrylic acid in an A/B/C ratio of (10-40)/(10-40)/(50-80) (wt. %); and a concrete composition (especially an ultral high-performance concrete) containing the dispersant. The dispersant satisfies all of a water-reducing effect, slump flow retention, strength development, etc.Type: GrantFiled: June 20, 2001Date of Patent: January 20, 2004Assignees: Sika Ltd., Toho Chemical Industry Co., Ltd.Inventors: Toshihiko Amaya, Akira Ikeda, Jun Imamura, Atsushi Kobayashi, Kaname Saito, Wernher M. Danzinger, Tetsu Tomoyose
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Patent number: 6281273Abstract: A composition which is a blend of a specified condensate obtained by reacting polyalkylenepolyamine with an fatty acid and a modified polyolefin resin having carboxyl groups at a specified proportion. In preparing the heating type paving material comprising various aggregates, bitumen as base and the composition, the composition is added to bitumen in an amount of 0.05-5.0 weight %. The heating type paving material obtained has superior in peel resistant effect between bitumen and aggregates.Type: GrantFiled: June 20, 2000Date of Patent: August 28, 2001Assignee: Toho Chemical Industry Co., Ltd.Inventors: Seitaro Ando, Tadao Goto, Sadao Hagiwara, Haruyoshi Miyauchi
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Patent number: 6117220Abstract: A polishing composition for a memory hard disc, which comprises the following components (a) to (d):(a) water,(b) at least one compound selected from the group consisting of a polystyrenesulfonic acid, and its salts,(c) a compound selected from the group consisting of an inorganic acid and an organic acid, and their salts, other than component (b), and(d) at least one abrasive selected from the group consisting of aluminum oxide, silicon dioxide, cerium oxide, zirconium oxide, titanium oxide, silicon nitride and manganese dioxide.Type: GrantFiled: November 16, 1999Date of Patent: September 12, 2000Assignees: Fujimi Incorporated, Toho Chemical Industry Co., Ltd.Inventors: Hitoshi Kodama, Toshiki Owaki, Katsumi Tani, Noritaka Yokomichi, Takashi Tokuue, Norio Fujioka, Tetsuya Sayama
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Patent number: 5428000Abstract: An antagonism caused by the use of a herbicide for narrowleaf weeds together with a herbicide for broadleaf weeds is inhibited by using together with hydrophilic polymeric compound containing a quaternary ammonium salt and having 10,000 to 1,000,000 of molcular weight.Type: GrantFiled: March 23, 1994Date of Patent: June 27, 1995Assignee: Toho Chemical Industry Co., Ltd.Inventors: Haruki Innami, Teruyuki Misumi, Makoto Konnai