Patents Assigned to Dai Nippon Toryo Co., Ltd.
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Patent number: 7658791Abstract: It is an object of the present invention to provide an anticorrosive coating composition which uses a pollution-free (heavy metal-free) rust preventive pigment and exhibits anticorrosive performances equal or superior to those of lead compounds or chromic acid compounds even if the pigment is blended in various binder resins and also to provide an anticorrosive coating composition having excellent storage stability. The present invention relates to an anticorrosive coating composition comprising a binder resin and a pollution-free (heavy metal-free) rust preventive pigment containing a condensed calcium phosphate produced by baking a single substance or mixture of a calcium component and a phosphorous component in the following atomic ratio (Ca/P=m): 0.50<m<1.00, at 180 to 350° C.Type: GrantFiled: November 16, 2005Date of Patent: February 9, 2010Assignee: Dai Nippon Toryo Co., Ltd.Inventors: Masanori Nagai, Tsuyoshi Matsumoto, Takashi Matsuda, Osamu Ogawa
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Publication number: 20100025638Abstract: A composition includes a binder component and a conductive powder and a high-refractive-index powder both dispersed in the binder component, wherein the conductive powder includes 0.1 to 30 mass % of a tin hydroxide powder and 70 to 99.9 mass % of other conductive powder. The composition enables to form a transparent conductive film having excellent scratch resistance, excellent antistatic properties, an extremely high visible light transmittance and a controllable refractive index. Also described is the transparent conductive film. Further described is a display having the transparent conductive film on the display surface.Type: ApplicationFiled: June 6, 2007Publication date: February 4, 2010Applicants: MITSUBISHI MATERIALS ELECTRONIC CHEMICALS CO., LTD, MITSUBISHI MATERIALS CORPORATION, DAI NIPPON TORYO CO., LTD.Inventors: Masamichi Murota, Hirotoshi Umeda, Hiroshi Ikeda, Kunio Omura, Masato Murouchi, Kenji Hayashi, Daigou Mizoguchi, Masaaki Murakami
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Publication number: 20090304917Abstract: A highly durable repair-coating method is provided, which permits the simple, fast, efficient and effective removal of thick rust and fixed rust generated on a steel structure having a large area such as a bridge and an intermediate iron product, under storage, which can ensure high working properties and high safety while reducing the processing cost, and which can likewise ensure high quality repairing and the subsequent improved duration of the repaired and coated articles.Type: ApplicationFiled: April 18, 2007Publication date: December 10, 2009Applicant: DAI NIPPON TORYO CO., LTD.Inventors: Hiroshi Kihira, Takehide Aiga, Atsumi Imai, Kanjiro Hiramatsu, Yoshihiko Mitsuzuka, Masanori Nagai, Takayuki Sato, Tsuyoshi Matsumoto
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Publication number: 20090283726Abstract: A process for producing metallic fine particles is provided by, the reduction of the metallic ions performed in two steps using two types of reducing agents which significantly differ in reducing ability thereof, in which a reducing agent in which the reduction ability is strong is used in the first reduction step, and a reducing agent in which the reduction ability is weak is used in the second reduction step, and the nano-sized metallic fine particles are produced. An aqueous metallic salt solution containing a surfactant is used and a two-step reduction is performed in the same vessel, in which as the reducing agent of the first reduction process, at least one selected from the group consisting of boron hydride, dimethylamine borane, hydrazine, and ascorbic acid is used, and as the reducing agent of the second reduction process, specific alkylamine or alkanolamine is used.Type: ApplicationFiled: December 8, 2005Publication date: November 19, 2009Applicants: Mitsubishi Materials Corporation, Dai Nippon Toryo Co., Ltd.Inventors: Daigou Mizoguchi, Yoshiaki Takata, Jun-etsu Satoh, Hiroki Hirata, Masato Murouchi
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Publication number: 20090121385Abstract: By managing a coating material injection time and the like parameters so that they may be controlled within specifically determined ranges, an in-mold coating formation method is provided for manufacturing a molded product coated with a coating layer having a uniform quality in its outside appearance. By continuously and unifyingly managing a mold opening amount and a mold closing force, an in-mold coating formation method and an in-mold coating formation apparatus are provided which are so formed that, if the control of a mold closing force and the control of a mold opening amount are continuously changed and at the same time a high precision and a high response are maintained, it is possible to enlarge a selectable range for selecting a molding condition, thereby producing an integrally formed molded product having an excellent outside appearance and whose coating layer has a high adhesion strength.Type: ApplicationFiled: October 6, 2008Publication date: May 14, 2009Applicants: Dai Nippon Toryo Co., Ltd., Ube Machinery Corporation, Ltd.Inventors: Kenji Yonemochi, Yoshiaki Yamamoto, Kenji Oota, Toshio Arai, Etsuo Okahara, Kazuaki Kobayashi
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Patent number: 7527668Abstract: This method for manufacturing metal fine particles includes using an aqueous solution containing an amine having a reducing capacity and an ammonium salt having substantially no reducing capacity so as to reduce metal ions with said amine in a presence of said ammonium salt, thereby manufacturing rod-shaped metal fine particles. This metal fine particles are manufactured by this method for manufacturing metal fine particles, and have a major axis of 400 nm or less, a minor axis of 15 nm or less, and an aspect ratio of more than 1.Type: GrantFiled: July 6, 2005Date of Patent: May 5, 2009Assignees: Mitsubishi Materials Corporation, Dai Nippon Toryo Co., Ltd.Inventors: Hiroki Hirata, Yoshiaki Takata, Jun-etsu Satoh, Daigou Mizoguchi, Masato Murouchi
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Publication number: 20090078158Abstract: The present invention provides an environmentally pollution-free, anti-corrosive pigment composition which is free of any heavy metal such as lead and/or chromium, which is free of zinc and/or water-soluble ions and which is excellent in the anti-corrosive effect. The anti-corrosive pigment composition comprises condensed calcium phosphate prepared by firing a mixture which comprises a calcium-containing component and a phosphorus-containing component and in which the molar ratio (Ca/P=m) of calcium to phosphorus present in these components falls within the following range: 0.50<m<1.00, at a temperature ranging from 180 to 350?.Type: ApplicationFiled: October 23, 2008Publication date: March 26, 2009Applicant: Dai Nippon Toryo Co., Ltd.Inventors: Takashi MATSUDA, Osamu OGAWA, Toru TAKI
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Publication number: 20090033179Abstract: A multilayer piezoelectric element 20 includes a plurality of piezoelectric layers 11 and a plurality of inner electrode layers 12 alternately stacked, a first outer electrode 18 that electrically couples together every other inner electrode layers 12 in the lamination direction, and a second outer electrode 19 that electrically couples together the remaining inner electrode layers 12. The piezoelectric layers 11 are obtained by molding and firing a mixture containing a Pb component, a Zr component, a Ti component, a Sr component, a Nb component, and a Zn component. When the piezoelectric layers 11 are each represented by general formula Pb(ZraTi1-a)O3+bSrO+cNbO2.5+dZnO, the relative amounts of the individual components, for example, satisfy the relationships a=0.51, b=2.0×10?2, c=1.50×10?2, d=0.5×10?2, and c/d=3.0.Type: ApplicationFiled: February 24, 2006Publication date: February 5, 2009Applicants: IBIDEN CO., LTD., DAI NIPPON TORYO CO., LTD.Inventors: Atsushi Ito, Yoshiya Matsuno, Takahiko Ido, Haruhide Shikano, Shigeo Fukuyasu, Takuo Matsuyama
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Patent number: 7482063Abstract: An in-mold coating molded article is obtained by coating the surface of a resin molded product comprising a hydroxyl group-containing polypropylene resin composition (A) with a paint composition for in-mold coating, wherein the composition (A) comprises a polypropylene resin (i), an additive rubber (ii) and optionally a polymer compound (iii) other than the polypropylene resin (i) and the additive rubber (ii), the total hydroxyl value of the polypropylene resin (i), the additive rubber (ii) and the optional polymer compound (iii) is from 1 to 40, the composition (A) has a rubber component content (total of the amount of the additive rubber (ii) and the amount of components soluble in n-decane at 23° C.Type: GrantFiled: August 21, 2003Date of Patent: January 27, 2009Assignees: Prime Polymer Co., Ltd., Dai Nippon Toryo Co., Ltd., Ube Machinery Corporation, Ltd.Inventors: Takeshi Minoda, Yuichi Matsuda, Kaoru Yorita, Kenji Yonemochi, Kenji Oota, Etsuo Okahara, Toshio Arai
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Publication number: 20080309203Abstract: A piezoelectric element includes an electrode disposed on at least one of the front and back surfaces of a piezoelectric material prepared by molding a mixture containing a Pb component, a Zr component, a Ti component, a Sr component, a Nb component, and a Zn component and then firing the molded product. When the piezoelectric material is represented by the general formula Pb(ZraTi1-a)O3+bSrO+cNbO2.5+dZnO, the relative amounts of the respective components, for example, satisfy the relationships, a=0.51, b=2.0×10?2, c=1.50×10?2, d=0.5×10?2, and c/d=3.0.Type: ApplicationFiled: February 24, 2006Publication date: December 18, 2008Applicants: IBIDEN CO., LTD., Dai Nippon Toryo Co., Ltd.Inventors: Atsushi Ito, Yoshiya Matsuno, Takahiko Ido, Haruhide Shikano, Shigeo Fukuyasu, Takuo Matsuyama
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Publication number: 20080272329Abstract: The present invention provides a piezoelectric ceramic composition, for producing piezoelectric elements exhibiting high piezoelectric strain constant d33 and high Curie temperature Tc, which composition includes a perovskite PbZrO3 (a), a perovskite PbTiO3 (b), SrO (c), Nb2O5 (d) and ZnO (e), and relative amounts of the components (a), (b), (c) (d) and (e) satisfy the general formula: Pb(ZraTi1-a)O3+bSrO+cNbO2.5+dZnO wherein 0.51?a?0.54; 1.1×10?2?b?6.0×10?2; 0.9×10?2?c?4.25×10?2; 0.1×10?2?d?1.25×10?2; and 2.9?c/d?15.0.Type: ApplicationFiled: February 22, 2006Publication date: November 6, 2008Applicants: IBIDEN CO., LTD., DAI NIPPON TORYO CO.,LTDInventors: Atsushi Ito, Yoshiya Matsuno, Haruhide Shikano, Takahiko Ido, Takuo Matsuyama, Shigeo Fukuyasu, Masakazu Ueno
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Publication number: 20080097005Abstract: The invention provides an ink composition for ink-jet printing which does not cause clogging of nozzles of an ink-jet printer during printing, to thereby provide a print of desired printing quality; which ensures an appropriate drying rate of printed images; and which attains excellent color development. The ink composition for ink-jet printing, containing a pigment, a binder resin, a pigment dispersant, and a solvent, wherein the solvent is formed of (1) at least one glycol ether and at least one of a lactone compound and 2-pyrrolidone, or (2) at least one glycol ether acetate and at least one of cyclohexane and isophorone.Type: ApplicationFiled: May 18, 2005Publication date: April 24, 2008Applicant: Dai Nippon Toryo Co., Ltd.Inventor: Toshihiko Shiotani
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Publication number: 20070243401Abstract: This method for manufacturing metal fine particles includes using an aqueous solution containing an amine having a reducing capacity and an ammonium salt having substantially no reducing capacity so as to reduce metal ions with said amine in a presence of said ammonium salt, thereby manufacturing rod-shaped metal fine particles. This metal fine particles are manufactured by this method for manufacturing metal fine particles, and have a major axis of 400 nm or less, a minor axis of 15 nm or less, and an aspect ratio of more than 1.Type: ApplicationFiled: July 6, 2005Publication date: October 18, 2007Applicants: MITSUBISHI MATERIALS CORPORATION, Dai Nippon Toryo Co., Ltd.Inventors: Hiroki Hirata, Yoshiaki Takata, Jun-etsu Satoh, Daigou Mizoguchi, Masato Murouchi
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Publication number: 20070012220Abstract: The present invention provides an environmentally pollution-free, anti-corrosive pigment composition which is free of any heavy metal such as lead and/or chromium, which is free of zinc and/or water-soluble ions and which is excellent in the anti-corrosive effect. The anti-corrosive pigment composition comprises condensed calcium phosphate prepared by firing a mixture which comprises a calcium-containing component and a phosphorus-containing component and in which the molar ratio (Ca/P=m) of calcium to phosphorus present in these components falls within the following range: 0.50<m<1.00, at a temperature ranging from 180 to 350° C.Type: ApplicationFiled: September 14, 2006Publication date: January 18, 2007Applicant: DAI NIPPON TORYO CO., LTD.Inventors: Takashi MATSUDA, Osamu OGAWA, Toru TAKI
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Publication number: 20060266157Abstract: The present invention provides metal fine particles which have selective wavelength absorption characteristics in a wavelength region from visible light to near infrared light, and have sharp absorption characteristics, and influences little the surrounding wavelength, and therefore, they yield tones having high chroma. The present invention provides metal fine particles wherein an aspect ratio is in a range from 1.1 to 8.0, a maximum absorption wavelength in plasmon absorption is in a range from 400 nm to 1,200 nm, and an absorption coefficient at a peak position of the maximum absorption wavelength is in a range from 6,000 to 20,000 L/mol·cm (measurement concentration: 1.6×10?4 mol/L, and solvent:water).Type: ApplicationFiled: September 2, 2004Publication date: November 30, 2006Applicant: Dai Nippon Toryo Co., Ltd.Inventors: Yoshiaki Takata, Hiroki Hirata, Jun-etsu Satoh, Yasuro Niidome, Sunao Yamada, Koji Nishioka, Hideya Kawasaki, Daigou Mizoguchi, Masanori Nagai, Masato Murouchi, Masaoki Ishihara
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Publication number: 20060196309Abstract: A method for manufacturing metal nanorods includes: a step of adding a reducing agent to a metallic salt solution; a step of radiating light into the metallic salt solution containing the reducing agent; and a step of leaving the light-radiated metallic salt solution containing the reducing agent stationary in a dark place so as to grow metal nanorods. Metal nanorods can be also grown by forming a mixed solution by fractionating the above light-radiated metallic salt solution and mixing the fractionated metallic salt solution into a non-radiated metallic salt solution containing the reducing agent, or mixing a non-radiated metallic salt solution and the reducing agent into the above light-radiated metallic salt solution; and leaving the mixed solution stationary in a dark place so as to grow metal nanorods.Type: ApplicationFiled: May 13, 2004Publication date: September 7, 2006Applicants: Yasuro Niidome, Mitsubishi Materials Corporation, Dai Nippon Toryo Co., Ltd.Inventors: Yasuro Niidome, Sunao Yamada, Koji Nishioka, Hideya Kawasaki, Hiroki Hirata, Yoshiaki Takata, Jun-etsu Satoh, Daigou Mizoguchi, Masaoki Ishihara, Masanori Nagai, Masato Murouchi
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Publication number: 20060076712Abstract: By managing a coating material injection time and the like parameters so that they may be controlled within specifically determined ranges, an in-mold coating formation method is provided for manufacturing a molded product coated with a coating layer having a uniform quality in its outside appearance. By continuously and unifyingly managing a mold opening amount and a mold closing force, an in-mold coating formation method and an in-mold coating formation apparatus are provided which are so formed that, if the control of a mold closing force and the control of a mold opening amount are continuously changed and at the same time a high precision and a high response are maintained, it is possible to enlarge a selectable range for selecting a molding condition, thereby producing an integrally formed molded product having an excellent outside appearance and whose coating layer has a high adhesion strength.Type: ApplicationFiled: November 17, 2005Publication date: April 13, 2006Applicants: DAI NIPPON TORYO CO., LTD, UBE MACHINERY CORPORATION LTD.Inventors: Kenji Yonemochi, Yoshiaki Yamamoto, Kenji Oota, Toshio Arai, Etsuo Okahara, Kazuaki Kobayashi
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Patent number: 6617048Abstract: A prepainted steel sheet has a chemically conversion-treated zinc-plated steel sheet and a coating formed on the surface of said zinc-plated steel sheet. The coating is formed by painting and baking of a solvent-type-paint composition. The paint composition contains a polyester resin.Type: GrantFiled: March 27, 2000Date of Patent: September 9, 2003Assignees: NKK Corporation, Dai Nippon Toryo Co., Ltd.Inventors: Keiji Yoshida, Kazumi Ito, Masaaki Yamashita, Hiroyuki Kato, Yasuhiro Toyoda, Yasuyuki Kajita, Susumu Ogawa, Nobuyoshi Kato
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Patent number: 6541562Abstract: An aqueous paint composition comprising: (i) an aqueous dispersion obtained by neutralizing with a neutralizing agent a hydrolytic condensation reaction product of (a) 100 parts by weight of an organosilane of the formula (1) R1nSi(OR2)4-n, wherein R1 is a C1-8 organic group, R2 is a C1-5 alkyl group, and n is 1 or 2, and/or its partially hydrolyzed condensate, with (b) from 5 to 200 parts by weight of a silyl group-containing vinyl resin having hydrolyzable silyl groups or silyl groups having silicon atoms bonded to hydroxyl groups and having an acid value of from 20 to 150 mgKOH/g, and adding water thereto, (ii) an amino group-containing alkoxysilane compound, and (iii) an epoxy group-containing compound.Type: GrantFiled: October 3, 2000Date of Patent: April 1, 2003Assignee: Dai Nippon Toryo Co., Ltd.Inventors: Ryuichi Aoki, Tadashi Hatakeyama, Hiroharu Sasaki, Kazuyoshi Tsuneta
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Patent number: 6538062Abstract: A resin composition for an aqueous paint, which comprises (a) a binder composed of different phase structure emulsion particles obtained by multi-stage emulsion polymerization, and (b) a compound having at least two hydrazide groups in its molecule, wherein the different phase structure emulsion particles have an outermost phase formed of an emulsion polymer which is an emulsion polymer of an ethylenic unsaturated monomer, having a glass transition temperature of from −50° C. to 15° C., and the following conditions (1) to (3) are satisfied: (1) the emulsion polymer forming the outermost phase contains from 1 to 25 mass % of an ethylenic unsaturated monomer having a carbonyl group, (2) at least one phase located inside the outermost phase of the different phase structure emulsion particles, is formed of an emulsion polymer of an ethylenic unsaturated monomer, having a glass transition temperature of from 50° C. to 150° C.Type: GrantFiled: June 19, 2001Date of Patent: March 25, 2003Assignee: Dai Nippon Toryo Co., Ltd.Inventors: Shinya Sakaguchi, Atsushi Takamatsu, Hiroharu Sasaki, Kazuyoshi Tsuneta