Patents by Inventor Naoshi Nagai
Naoshi Nagai has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240009658Abstract: A deodorizing catalyst containing a composite oxide and a metal component containing Pt supported on the composite oxide, and having a degree of reduction represented by the following formula (1) in a range of 60% to 86%: degree of reduction (%)=100?[X/Y]×100 (1), in which X represents a peak area obtained from a thermal conductivity detector (TCD) when the catalyst is dried and reduced by heating from 40° C. to 400° C., and Y represents a peak area obtained from the TCD when an oxidation catalyst obtained by heat-treating the catalyst in an air or under oxygen atmosphere at 150° C. for 2 hours and then cooling the catalyst to 40° C. or lower is reduced by heating from 40° C. to 400° C.Type: ApplicationFiled: September 29, 2021Publication date: January 11, 2024Applicant: MITSUI CHEMICALS, INC.Inventors: Jun KAWAHARA, Naoshi NAGAI, Akihiro OKABE, Susumu SAITO, Shuji TAHARA
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Publication number: 20180002500Abstract: Disclosed are a reinforcing fiber bundle composed of a carbon fiber bundle treated with an emulsion; a carbon fiber reinforced thermoplastic resin molded body using the same; and a method for producing a reinforcing fiber bundle; wherein the emulsion contains a modified polyolefin (A1) comprising at least a metal carboxylate bonded to the polymer chain, and 0.1 to 5,000 moles of an amine compound (B) represented by the following general formula (1), per one mole of the carboxylate group in the modified polyolefin (A1); R—NH2??(1) wherein the formula (1), R is a hydrogen atom or a hydrocarbon group having 1 to 10 carbon atoms.Type: ApplicationFiled: January 14, 2016Publication date: January 4, 2018Applicants: MITSUI CHEMICALS, INC., FORMOSA PLASTICS CORPORATIONInventors: Naoshi NAGAI, Takeharu ISAKI, Masaki SHIMIZU, Junichi ISHIKAWA, Kazuaki KIKUCHI, Yi-Chuan CHANG, Kai-Cheng YEN, Min-Yuan LIN
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Patent number: 9534112Abstract: A molded article formed of a composition including 100 parts by weight of at least one kind of resin selected from the group consisting of thermoplastic resins and thermosetting resins, and 0.01 parts by weight to 10,000 parts by weight of a silylated polyolefin, which is obtained by a reaction between a silicon-containing compound containing a structural unit represented by Formula (1) and a vinyl group-containing compound having a defined number average molecular weight, a derivative thereof, or a mixture of these, —Si(R1)H—Y1—??(1) wherein R1 and Y1 are defined and with the proviso that the silylated polyolefin is not obtained by a reaction between a silicon-containing compound containing a structural unit represented by Formula (1) and having two or more SH groups per molecule and a compound having 2.0 or more vinyl groups on average per molecule as the vinyl group-containing compound.Type: GrantFiled: January 18, 2012Date of Patent: January 3, 2017Assignee: MITSUI CHEMICALS, INC.Inventors: Kaori Matoishi, Takuma Yano, Hiromasa Marubayashi, Naoki Tomoshige, Naoshi Nagai, Tamotsu Harada, Kuniaki Kawabe
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Patent number: 9150422Abstract: Disclosed is a porous metal oxide obtained by subjecting metal alkoxide and/or a partially hydrolyzed condensate of the metal alkoxide to a sol-gel reaction in the presence of terminally branched copolymer particles represented by the following general formula (1) and having a number average molecular weight of not more than 2.5×104 to obtain an organic-inorganic composite and removing the terminally branched copolymer particles from the composite.Type: GrantFiled: March 12, 2010Date of Patent: October 6, 2015Assignee: Mitsui Chemicals, Inc.Inventors: Norio Nakayama, Toshihiko Takaki, Haruhiko Fukumoto, Kaori Matoishi, Shiro Nakatsuka, Naoshi Nagai, Eiichi Takahashi, Yukiko Enomoto
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Publication number: 20130344273Abstract: A molded article formed of a composition including 100 parts by weight of at least one kind of resin selected from the group consisting of thermoplastic resins and thermosetting resins, and 0.01 parts by weight to 10,000 parts by weight of a silylated polyolefin, which is obtained by a reaction between a silicon-containing compound containing a structural unit represented by Formula (1) and a vinyl group-containing compound having a defined number average molecular weight, a derivative thereof, or a mixture of these, —Si(R1)H—Y1—??(1) wherein R1 and Y1 are defined and with the proviso that the silylated polyolefin is not obtained by a reaction between a silicon-containing compound containing a structural unit represented by Formula (1) and having two or more SH groups per molecule and a compound having 2.0 or more vinyl groups on average per molecule as the vinyl group-containing compound.Type: ApplicationFiled: January 18, 2012Publication date: December 26, 2013Applicant: Mitsui Chemicals, Inc.Inventors: Kaori Matoishi, Takuma Yano, Hiromasa Marubayashi, Naoki Tomoshige, Naoshi Nagai, Tamotsu Harada, Kuniaki Kawabe
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Patent number: 8604140Abstract: The invention provides a method for preventing fouling in chemical equipment, comprising adding an antifouling agent which comprises a polyoxyalkylene polymer having Mn of 30,000 or less to a component in the chemical equipment.Type: GrantFiled: March 31, 2010Date of Patent: December 10, 2013Assignee: Mitsui Chemicals, Inc.Inventors: Naoshi Nagai, Shiro Nakatsuka, Kazuoki Nakai, Kenji Sugimura, Yasushi Tohi, Ken Yoshitsugu, Hideki Bando, Yasuyuki Harada
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Patent number: 8513362Abstract: To provide a polyolefin polymer having a polar group represented by Formula (i) produced by modifying, with a high modification ratio, a double bond in a polymer having the double bond at one terminal, both terminals, or at the inside of a polymer chain thereof that is obtained by a known method; a method for producing the polyolefin polymer; and a water dispersion material and a mold release agent composition each containing the polyolefin polymer, wherein, PO, A, B, D, E, d, e, M, i, j, and n are defined as in the application.Type: GrantFiled: June 17, 2008Date of Patent: August 20, 2013Assignee: Mitsui Chemicals, Inc.Inventors: Makoto Suzuki, Naoshi Nagai
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Patent number: 8354529Abstract: A novel polyamine derivative, or polyol derivative, having a piperidylaminotriazine skeleton; salts of such compounds; a process for producing them; an organic material stabilizer comprising any of such compounds; a method of stabilizing an organic material; and a stabilized organinc material. Compounds of the general formula: (1) (wherein X is N(R4) or an oxygen atom; R1 is an n-valent hydrocarbon group; R2 is an hydrogen atom or an alkyl; R3 is a hydrogen atom, an alkyl, an alkoxy or an acyl; R4 is a hydrogen atom or an alkyl; and n is an integer of 3 to 16) are effective in the stabilization of an organic material against deterioration by light, heat, oxygen, ozone and electromagnetic waves, such as X-rays and ?-rays.Type: GrantFiled: November 4, 2011Date of Patent: January 15, 2013Assignee: BASF SEInventors: Naruyoshi Mita, Mitsuaki Chida, Masaru Kawaguchi, Kengo Otsuka, Naoshi Nagai, Takaaki Yamazaki, Tetsuya Ichihashi
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Patent number: 8236900Abstract: It is an object of the present invention to provide a modified polyolefin resin adhesive agent which is excellent in adhesiveness to a nonpolar substrate, particularly a poorly adhesive polyolefin substrate to which no surface treatment has been given and to a polar substrate, develops the excellent adhesiveness by drying or thermal compression bonding at relatively low temperature, and exhibits a low tack. That is, the present invention provides the modified polyolefin resin obtained by modifying a polyolefin resin with (A) a polarity imparting agent which is at least one selected from chlorine, unsaturated carboxylic acid, derivatives and anhydrides of unsaturated carboxylic acid and radical polymerizable monomers; and (B) an ethylene-?-olefin copolymer having an unsaturated bond at one end, and use of said modified polyolefin resin as an aqueous resin composition or an organic solvent resin composition.Type: GrantFiled: July 18, 2007Date of Patent: August 7, 2012Assignees: Nippon Paper Chemicals Co., Ltd., Mitsui Chemicals, Inc.Inventors: Yasutaka Watanabe, Kenichi Fujino, Hidetoshi Yoshioka, Naoshi Nagai, Sadahiko Matsuura
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Publication number: 20120095167Abstract: The invention provides a method for preventing fouling in chemical equipment, comprising adding an antifouling agent which comprises a polyoxyalkylene polymer having Mn of 30,000 or less to a component in the chemical equipment.Type: ApplicationFiled: March 31, 2010Publication date: April 19, 2012Applicant: MITSUI CHEMICALS, INC.Inventors: Naoshi Nagai, Shiro Nakatsuka, Kazuoki Nakai, Kenji Sugimura, Yasushi Tohi, Ken Yoshitsugu, Hideki Bando, Yasuyuki Harada
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Publication number: 20120053270Abstract: A novel polyamine derivative, or polyol derivative, having a piperidylaminotriazine skeleton; salts of such compounds; a process for producing them; an organic material stabilizer comprising any of such compounds; a method of stabilizing an organic material; and a stabilized organinc material. Compounds of the general formula: (1) (wherein X is N(R4) or an oxygen atom; R1 is an n-valent hydrocarbon group; R2 is an hydrogen atom or an alkyl; R3 is a hydrogen atom, an alkyl, an alkoxy or an acyl; R4 is a hydrogen atom or an alkyl; and n is an integer of 3 to 16) are effective in the stabilization of an organic material against deterioration by light, heat, oxygen, ozone and electromagnetic waves, such as X-rays and ?-rays.Type: ApplicationFiled: November 4, 2011Publication date: March 1, 2012Inventors: NARUYOSHI MITA, Mitsuaki Chida, Masaru Kawaguchi, Kengo Otsuka, Naoshi Nagai, Takaaki Yamazaki, Tetsuya Ichihashi
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Publication number: 20110318249Abstract: Disclosed is a porous metal oxide obtained by subjecting metal alkoxide and/or a partially hydrolyzed condensate of the metal alkoxide to a sol-gel reaction in the presence of terminally branched copolymer particles represented by the following general formula (1) and having a number average molecular weight of not more than 2.Type: ApplicationFiled: March 12, 2010Publication date: December 29, 2011Applicant: MITSUI CHEMICALS, INC.Inventors: Norio Nakayama, Toshihiko Takaki, Haruhiko Fukumoto, Kaori Matoishi, Shiro Nakatsuka, Naoshi Nagai, Eiichi Takahashi, Yukiko Enomoto
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Patent number: 8076478Abstract: A novel polyamine derivative, or polyol derivative, having a piperidylaminotriazine skeleton; salts of such compounds; a process for producing them; an organic material stabilizer comprising any of such compounds; a method of stabilizing an organic material; and a stabilized organic material. Compounds of the general formula: (1) (wherein X is N(R4) or an oxygen atom; R1 is an n-valent hydrocarbon group; R2 is a hydrogen atom or an alkyl; R3 is a hydrogen atom, an alkyl, an alkoxy or an acyl; R4 is a hydrogen atom or an alkyl; and n is an integer of 3 to 16) are effective in the stabilization of an organic material against deterioration by light, heat, oxygen, ozone and electromagnetic waves, such as X-rays and ?-rays.Type: GrantFiled: January 18, 2006Date of Patent: December 13, 2011Assignee: BASF SEInventors: Naruyoshi Mita, Mitsuaki Chida, Masaru Kawaguchi, Kengo Otsuka, Naoshi Nagai, Takaaki Yamazaki, Tetsuya Ichihashi
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Patent number: 7977429Abstract: Polymers having polyolefin segments as the side chain, with a structural unit represented by the following Formula (1): wherein A is an olefin polymer having a weight average molecular weight of 400 to 500,000; R is H, an alkyl group, or an aralkyl group; W and Z are each O, HN, or S; and x and y are each 0 or 1, with the proviso that at least one of them is 1. The polymer can be applied as an antistatic agent, a cosmetic additive, a releasing agent for toner, a pigment dispersant, a lubricant for vinyl chloride resins, a coating material, an emulsion composition and the like.Type: GrantFiled: January 20, 2005Date of Patent: July 12, 2011Assignee: Mitsui Chemicals, Inc.Inventors: Naoshi Nagai, Masahiko Mitsuzuka, Kazuoki Nakai, Motoaki Isokawa, Shiro Nakatsuka, Daiki Taneichi, Shirou Honma, Toshimitsu Narutaki
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Publication number: 20110118361Abstract: Provided are polymer particles composed of a terminally branched copolymer represented by the following general formula (1) and having a number average molecular weight of not more than 2.5×104, wherein, in the formula, A represents a polyolefin chain; R1 and R2 each represent a hydrogen atom or an alkyl group having 1 to 18 carbon atoms, and at least one of R1 and R2 is a hydrogen atom; and X1 and X2 may be the same or different, and each a linear or branched polyalkylene glycol group.Type: ApplicationFiled: January 6, 2009Publication date: May 19, 2011Applicant: MITSUI CHEMICALS, INC.Inventors: Kaori Matoishi, Shiro Nakatsuka, Naoshi Nagai, Toshihiko Takaki, Haruhiko Fukumoto, Norio Nakayama
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Publication number: 20100113728Abstract: To provide a polyolefin polymer having a polar group represented by Formula (i) produced by modifying, with a high modification ratio, a double bond in a polymer having the double bond at one terminal, both terminals, or at the inside of a polymer chain thereof that is obtained by a known method; a method for producing the polyolefin polymer; and a water dispersion material and a mold release agent composition each containing the polyolefin polymer, wherein in Formula (i), PO represents a polyolefin polymer obtained by polymerizing a monomer including ethylene or including an olefin having 3 to 20 carbon atoms, and a group shown in the brackets is the polar group of the polyolefin polymer; A and B each independently represent R1, a cyano group, C(O)OR1, or C(O)NR1R2, and A and B may be combined to form a cyclic structure; M represents a metal cation or an onium cation; j is an integer of 0 to 4 representing the number of the metal cation or the onium cation; i is an integer of 0 to 4 representing the nuType: ApplicationFiled: June 17, 2008Publication date: May 6, 2010Inventors: Makoto Suzuki, Naoshi Nagai
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Publication number: 20100004383Abstract: It is an object of the present invention to provide a modified polyolefin resin adhesive agent which is excellent in adhesiveness to a nonpolar substrate, particularly a poorly adhesive polyolefin substrate to which no surface treatment has been given and to a polar substrate, develops the excellent adhesiveness by drying or thermal compression bonding at relatively low temperature, and exhibits a low tack. That is, the present invention provides the modified polyolefin resin obtained by modifying a polyolefin resin with (A) a polarity imparting agent which is at least one selected from chlorine, unsaturated carboxylic acid, derivatives and anhydrides of unsaturated carboxylic acid and radical polymerizable monomers; and (B) an ethylene-?-olefin copolymer having an unsaturated bond at one end, and use of said modified polyolefin resin as an aqueous resin composition or an organic solvent resin composition.Type: ApplicationFiled: July 18, 2007Publication date: January 7, 2010Applicants: NIPPON PAPER CHEMICALS CO., LTD., MITSUI CHEMICALS, INC.Inventors: Yasutaka Watanabe, Kenichi Fujino, Hidetoshi Yoshioka, Naoshi Nagai, Sadahiko Matsuura
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Publication number: 20080230743Abstract: A novel polyamine derivative, or polyol derivative, having a piperidylaminotriazine skeleton; salts of such compounds; a process for producing them; an organic material stabilizer comprising any of such compounds; a method of stabilizing an organic material; and a stabilized organic material. Compounds of the general formula: (1) (wherein X is N(R4) or an oxygen atom; R1 is an n-valent hydrocarbon group; R2 is a hydrogen atom or an alkyl; R3 is a hydrogen atom, an alkyl, an alkoxy or an acyl; R4 is a hydrogen atom or an alkyl; and n is an integer of 3 to 16) are effective in the stabilization of an organic material against deterioration by light, heat, oxygen, ozone and electromagnetic waves, such as X-rays and ?-rays.Type: ApplicationFiled: January 18, 2006Publication date: September 25, 2008Inventors: Naruyoshi Mita, Mitsuaki Chida, Masaru Kawaguchi, Kengo Otsuka, Naoshi Nagai, Takaaki Yamazaki, Tetsuya Ichihashi
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Publication number: 20070154431Abstract: Polymers having polyolefin segments as the side chain, with a structural unit represented by the following Formula (1): wherein A is an olefin polymer having a weight average molecular weight of 400 to 500,000; R is H, an alkyl group, or an aralkyl group; W and Z are each O, HN, or S; and x and y are each 0 or 1, with the proviso that at least one of them is 1. The polymer can be applied as an antistatic agent, a cosmetic additive, a releasing agent for toner, a pigment dispersant, a lubricant for vinyl chloride resins, a coating material, an emulsion composition and the like.Type: ApplicationFiled: January 20, 2005Publication date: July 5, 2007Applicant: Mitsui Chemicals, Inc.Inventors: Naoshi Nagai, Masahiko Mitsuzuka, Kazuoki Nakai, Motoaki Isokawa, Shiro Nakatsuka, Daiki Taneichi, Shirou Honma, Toshimitsu Narutaki
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Patent number: 6933411Abstract: The aromatic diamine compound of the present invention is represented by the following formula (1), and from the aromatic diamine compound a polyimide having a repeating unit represented by the following formula (4), which has low-temperature adherability, can be obtained. In the formulas (1) and (4), n is an integer of 3 to 7, each R is independently an atom or a group selected from the group consisting of a hydrogen atom, a halogen atom and a hydrocarbon group, the same or different two hetero atoms selected from nitrogen atoms and oxygen atoms bonded to each benzene ring are at the ortho- or meta-positions to each other on at least one benzene ring, and when n is 3, the hetero atoms are at the ortho- or meta-positions to each other on all the benzene rings. In the formula (4), Y is a tetravalent organic group.Type: GrantFiled: November 24, 2003Date of Patent: August 23, 2005Assignee: Mitsui Chemicals, Inc.Inventors: Naoshi Nagai, Masaru Kawaguchi