Patents Assigned to Orient Chemical Industries, Ltd.
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Patent number: 8535472Abstract: A method of manufacturing laser-welded article having an integral construction of piled workpieces, that are welded by heat generated from irradiation with laser and include thermoplastic resin, a laser-transmissible-absorptive molded workpiece including a thermoplastic resin and 0.001 to 0.3 weight % of colorant consisting of nigrosine which has an absorption coefficient: ? for a ray of 940 nm ranging form 4000 to 7000, that transmits laser partially and absorbs laser partially, and a laser-absorptive molded workpiece including a thermoplastic resin and 0.1 to 5 weight % of diverse colorant comprising nigrosine and/or carbon black, that absorbs the laser.Type: GrantFiled: March 25, 2010Date of Patent: September 17, 2013Assignee: Orient Chemical Industries, Ltd.Inventors: Tetsuji Kihara, Satoshi Yamamoto
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Patent number: 8470912Abstract: A granulated colorant as a granulation product of a powdery nigrosine dye, that has a bulk density of 0.4 to 0.7 g/ml and a hardness of 1 to 20 N. A high-concentration master batch obtained by blending a granulated colorant and a thermoplastic resin, which comprises 25 to 100 parts by weight of a nigrosine dye in the granulated colorant per 100 parts by weight of the thermoplastic resin. A colored composition comprising a granulated colorant or high-concentration master batch and a thermoplastic resin or thermoplastic elastomer.Type: GrantFiled: November 19, 2010Date of Patent: June 25, 2013Assignee: Orient Chemical Industries, Ltd.Inventors: Akihiko Hayashi, Satonari Morikawa
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Patent number: 8361625Abstract: An interlayer film for a laminated glass which reduces transmittance of ultraviolet rays having wavelength of 380 to 400 nm and has an excellent durability to light exposure, while maintaining high visible light transmittance. The interlayer film for a laminated glass comprises a thermoplastic resin and an indole compound having a structure represented by the following chemical formula 1: Wherein R1 represents an alkyl group having 1-3 carbon atoms, and R2 represents hydrogen, an alkyl group having 1-10 carbon atoms, or an aralkyl group having 7-10 carbon atoms.Type: GrantFiled: January 22, 2009Date of Patent: January 29, 2013Assignees: Sekisui Chemical Co., Ltd., Orient Chemical Industries, Ltd., Asahi Glass Company, LimitedInventors: Bungo Hatta, Hirofumi Kitano, Minoru Inada, Jun Hikata
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Patent number: 8168780Abstract: The present invention provides a method for producing a polymorphic form of a titanylphthalocyanine having superior photoreceptor characteristics, particularly superior chargeability and photosensitivity to those of the conventional titanylphthalocyanines.Type: GrantFiled: March 17, 2008Date of Patent: May 1, 2012Assignee: Orient Chemical Industries, Ltd.Inventors: Kenji Takaki, Yasuhiro Yamasaki
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Patent number: 8105431Abstract: A novel subphthalocyanine derivative having a phosphorus derivative-substituted group as an axially substituted group which has an excellent solubility, a method for producing the same and an optical film containing the same, are provided without impairing excellent properties peculiar to the original subphthalocyanines. The novel subphthalocyanine derivative is represented by the following chemical formula (1), and it is applicable for optical films.Type: GrantFiled: August 10, 2009Date of Patent: January 31, 2012Assignee: Orient Chemical Industries, Ltd.Inventors: Tomohiro Mori, Yasuhiro Yamasaki
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Patent number: 8053570Abstract: The present invention relates to a method for producing an ?-form titanylphthalocyanine represented by the formula (1): which has a peak at a Bragg angle (2?±0.2°) in X-ray diffraction spectrum with CuK ?-ray: 7.5°, 10.2°, 12.6°, 13.2°, 15.1°, 16.3°, 17.3°, 18.3°, 22.5°, 24.2°, 25.3° and 28.6°, wherein the method includes steps of: (I) subjecting a crude titanylphthalocyanine having an ?-form polymorph to an acid pasting treatment, and then filtering and washing with water to give a water-containing wet cake, and then subjecting the wet cake to drying and crushing to give a low crystalline titanylphthalocyanine; (II) adding a dispersing aid to the low crystalline titanylphthalocyanine and dispersing at room temperature, in DMF, to prepare a polymorph; and (III) filtering, washing, and drying under a reduced pressure.Type: GrantFiled: July 22, 2008Date of Patent: November 8, 2011Assignee: Orient Chemical Industries, Ltd.Inventors: Kenji Takaki, Yasuhiro Yamasaki
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Patent number: 7960003Abstract: It is an object of the present invention to provide a laser-welded article that workpieces prepared simply can be easily unified by laser in one laser welding process without using complicated processes. Moreover, the laser-welded article has sufficient welding strength of the molded workpieces, and does not damage the resin property. The laser-welded article comprises: an integral construction of a single weakly laser-absorptive molded workpiece or plural weakly laser-absorptive molded workpieces, which is welded by exothermic through irradiating laser under butting at least a part of edge portions thereof, wherein the workpiece or the workpieces include a thermoplastic resin and a weakly laser absorbent to have an absorbance: a ranging from 0.07 to 3.0, and have abilities of absorbing at least partial beam of the laser and transmitting other partial beam of the laser.Type: GrantFiled: September 20, 2006Date of Patent: June 14, 2011Assignee: Orient Chemical Industries, Ltd.Inventors: Tetsuji Kihara, Satoshi Yamamoto
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Patent number: 7960012Abstract: It is an object of the present invention to provide a laser-welded article that workpieces prepared simply can be easily unified by laser in one laser welding process without using complicated processes. Moreover, the laser-welded article has an excellent appearance and sufficient welding strength of the molded workpieces, and does not damage the resin property. The laser-welded article comprises: an integral construction of a single workpiece that at least a part of curled workpiece is overlapped or plural workpieces that at least a part of each workpiece is piled, which is welded by exothermic through irradiating laser, wherein the single laser-transmissible-absorptive molded workpiece or the plural laser-transmissible-absorptive molded workpieces include a thermoplastic resin and a laser-transmissible absorbent to have an absorbance: a ranging from 0.07 to 2.0, and have abilities of absorbing at least partial beam of the laser and transmitting another partial beam of the laser.Type: GrantFiled: September 20, 2006Date of Patent: June 14, 2011Assignee: Orient Chemical Industries, Ltd.Inventors: Tetsuji Kihara, Satoshi Yamamoto
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Patent number: 7879520Abstract: A toner for developing an electrostatic image comprises a binding resin for a toner and a charge control agent including an azo-type iron complex salt represented by the following chemical formula (1) (in the chemical formula (1), R1 and R3 are the same or different to each other and are an alkyl group having a straight chain or a branch chain of 3 to 8 carbons; R2a, R2b, R4a and R4b are the same or different to each other and are selected from the group consisting of a hydrogen atom, an alkyl group, an alkoxyl group, a halogen atom, a nitro group and a carboxyl group; A+ indicates m(H+)+n(K+)+p(Na+), which m, n and p satisfy numerical equations of m+n+p=1, 0.7?m?1, 0?n?0.3 and 0?p?0.3), wherein an average particle size thereof is 1 to 4 microns, and a specific volume resistivity thereof is ranging from 0.2×1015 to 7×1015 ?·cm.Type: GrantFiled: June 5, 2007Date of Patent: February 1, 2011Assignee: Orient Chemical Industries, Ltd.Inventors: Kaori Sato, Masashi Yasumatsu
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Patent number: 7875412Abstract: A positive electrified charge control agent comprising a silicon complex compound of an effective component represented by the following chemical formula (I) and/or chemical formula (II) (in the formula (I) and formula (II), [D-(SO3)2]2? is a bivalent anion of an organic acid having at least two sulfonic acid groups, p is 0 or 1, B is a bonding line when p is 0, B is a carbon atom or a nitrogen atom when p is 1, J is a carbon atom or a nitrogen atom, A is an organic group which forms a ring with (B)p and J, both of R are same or different to each other and are an organic group, and these both of R are independent or form a heterocyclic ring). A positive electrified toner for developing an electrostatic image comprises the positive electrified charge control agent. A charge control method of the positive electrified toner for developing the electrostatic image comprises a step for making the toner positively electrified by friction.Type: GrantFiled: April 2, 2007Date of Patent: January 25, 2011Assignee: Orient Chemical Industries, Ltd.Inventors: Osamu Yamate, Masashi Yasumatsu
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Patent number: 7829733Abstract: Charge control resin particles comprising a mixture of at least a charge control agent and a resin, wherein a crystalline zinc 3,5-di-tert-butylsalicylate represented by General Formula below, and having major peaks of X-ray diffraction using the CuK?-characteristic X-ray at Bragg angles 2? of at least 6.4±0.2° and 15.4±0.2°, is contained as said charge control agent. Toner for developing electrostatic images which comprises a coloring agent, a binder resin for toner, and the charge control resin particles.Type: GrantFiled: April 1, 2009Date of Patent: November 9, 2010Assignee: Orient Chemical Industries, Ltd.Inventors: Akihide Isoda, Tetsuji Kihara, Tohru Tsuruhara
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Publication number: 20100279150Abstract: It is an object of the present invention to provide an interlayer film for a laminated glass which can reduce transmittance of ultraviolet rays having wavelength of 380 to 400 nm and has excellent durability to light exposure while maintaining high visible light transmittance. The interlayer film for a laminated glass of the present invention is an interlayer film for a laminated glass, which comprises a thermoplastic resin and an indole compound having a structure represented by the following general Chemical Formula (1): wherein R1 represents an alkyl group having 1 to 3 of carbon atoms, and R2 represents hydrogen, an alkyl group having 1 to 10 of carbon atoms, or an aralkyl group having 7 to 10 of carbon atoms.Type: ApplicationFiled: January 22, 2009Publication date: November 4, 2010Applicants: Sekisui Chemical Co., Ltd., Orient Chemical Industries, Ltd.Inventors: Bungo Hatta, Hirofumi Kitano, Minoru Inada, Jun Hikata
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Publication number: 20100186886Abstract: A method of manufacturing laser-welded article having an integral construction of piled workpieces, that are welded by heat generated from irradiation with laser and include thermoplastic resin, a laser-transmissible-absorptive molded workpiece including a thermoplastic resin and 0.001 to 0.3 weight % of colorant consisting of nigrosine which has an absorption coefficient: ? for a ray of 940 nm ranging form 4000 to 7000, that transmits laser partially and absorbs laser partially, and a laser-absorptive molded workpiece including a thermoplastic resin and 0.1 to 5 weight % of diverse colorant comprising nigrosine and/or carbon black, that absorbs the laser.Type: ApplicationFiled: March 25, 2010Publication date: July 29, 2010Applicant: Orient Chemical Industries, Ltd.Inventors: Tetsuji Kihara, Satoshi Yamamoto
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Patent number: 7744804Abstract: A laser-transmissible composition comprises: a dynamic crosslinking polyolefin thermoplastic elastomer that has a melting point ranging from 160 to 210 degrees Centigrade in case of non-coloring, and dye salt exhibiting transmission of a laser having a wavelength of 800 to 1200 nm. A method for laser welding comprises: putting a laser-transmissible molded workpiece 1 made from the laser-transmissible composition onto a laser-absorptive molded workpiece 2 having a laser-absorbent 7, irradiating laser 3 towards the laser-transmissible molded workpiece 1 to weld the laser-transmissible molded workpiece 1 and the laser-absorptive molded workpiece 2.Type: GrantFiled: March 8, 2005Date of Patent: June 29, 2010Assignee: Orient Chemical Industries, Ltd.Inventors: Osamu Nakagawa, Makiko Matsui
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Patent number: 7714045Abstract: Thermoplastic resin compositions suitable for laser welding are described in which black colorants are added. These colorants constitute amine salt of anthraquinone dyes. Additional dyes, coloring agents, and a variety of other materials may be added. These compositions demonstrate outstanding mechanical and chemical properties once laser-welded.Type: GrantFiled: January 6, 2006Date of Patent: May 11, 2010Assignees: E.I. du Pont de Nemours and Company, Orient Chemical Industries LtdInventors: Yoshiteru Hatase, Reiko Koshida, Hiroyuki Sumi, Ryuichi Hayashi
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Patent number: 7713607Abstract: A laser-welded article comprises: a laser-transmissible workpiece made from a laser-transmissible colored resin composition including at least a thermoplastic resin and an alkaline earth metal salt of an anthraquinone-type acidic dye represented by the following chemical formulae (1) and/or (2) and a laser-absorptive workpiece putting the laser-transmissible workpiece together, wherein the workpieces are welded at the put position thereof by irradiated laser towards the laser-transmissible workpiece that transmits therethrough and is absorbed into the laser-absorptive workpiece.Type: GrantFiled: February 7, 2006Date of Patent: May 11, 2010Assignee: Orient Chemical Industries, Ltd.Inventors: Syuuji Sugawara, Yoshiteru Hatase, Toshihiro Okanishi
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Publication number: 20100036134Abstract: A novel subphthalocyanine derivative having a phosphorus derivative-substituted group as an axially substituted group which has an excellent solubility, a method for producing the same and an optical film containing the same, are provided without impairing excellent properties peculiar to the original subphthalocyanines. The novel subphthalocyanine derivative is represented by the following chemical formula (1), and it is applicable for optical films.Type: ApplicationFiled: August 10, 2009Publication date: February 11, 2010Applicant: ORIENT CHEMICAL INDUSTRIES, LTD.Inventors: Tomohiro Mori, Yasuhiro Yamasaki
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Publication number: 20090291244Abstract: It is an object of the present invention to provide a laser-welded article that workpieces prepared simply can be easily unified by laser in one laser welding process without using complicated processes. Moreover, the laser-welded article has sufficient welding strength of the molded workpieces, and does not damage the resin property. The laser-welded article comprises: an integral construction of a single weakly laser-absorptive molded workpiece or plural weakly laser-absorptive molded workpieces, which is welded by exothermic through irradiating laser under butting at least a part of edge portions thereof, wherein the workpiece or the workpieces include a thermoplastic resin and a weakly laser absorbent to have an absorbance: a ranging from 0.07 to 3.0, and have abilities of absorbing at least partial beam of the laser and transmitting other partial beam of the laser.Type: ApplicationFiled: September 20, 2006Publication date: November 26, 2009Applicant: Orient Chemical Industries, LTD.Inventors: Tetsuji Kihara, Satoshi Yamamoto
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Patent number: RE44045Abstract: It is an object of the present invention to provide a laser-welded article that workpieces prepared simply can be easily unified by laser in one laser welding process without using complicated processes. Moreover, the laser-welded article has sufficient welding strength of the molded workpieces, and does not damage the resin property. The laser-welded article comprises: an integral construction of a single weakly laser-absorptive molded workpiece or plural weakly laser-absorptive molded workpieces, which is welded by exothermic through irradiating laser under butting at least a part of edge portions thereof, wherein the workpiece or the workpieces include a thermoplastic resin and a weakly laser absorbent to have an absorbance: a ranging from 0.07 to 3.0, and have abilities of absorbing at least partial beam of the laser and transmitting other partial beam of the laser.Type: GrantFiled: September 20, 2006Date of Patent: March 5, 2013Assignee: Orient Chemical Industries, Ltd.Inventors: Tetsuji Kihara, Satoshi Yamamoto
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Patent number: RE44290Abstract: It is an object of the present invention to provide a laser-welded article that workpieces prepared simply can be easily unified by laser in one laser welding process without using complicated processes. Moreover, the laser-welded article has an excellent appearance and sufficient welding strength of the molded workpieces, and does not damage the resin property. The laser-welded article comprises: an integral construction of a single workpiece that at least a part of curled workpiece is overlapped or plural workpieces that at least a part of each workpiece is piled, which is welded by exothermic through irradiating laser, wherein the single laser-transmissible-absorptive molded workpiece or the plural laser-transmissible-absorptive molded workpieces include a thermoplastic resin and a laser-transmissible absorbent to have an absorbance: a ranging from 0.07 to 2.0, and have abilities of absorbing at least partial beam of the laser and transmitting another partial beam of the laser.Type: GrantFiled: September 20, 2006Date of Patent: June 11, 2013Assignee: Orient Chemical Industries, Ltd.Inventors: Tetsuji Kihara, Satoshi Yamamoto