Patents by Inventor Masato Onoe
Masato Onoe 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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Patent number: 10259966Abstract: A resin dispersion having, dispersed in water with a 50% particle diamter of at most 0.5 ?m, a polymer (C) having a hydrophilic polymer (B) or an acidic group bonded to a propylene/?-olefin copolymer (A) as a copolymer of propylene with an ?-olefin other than propylene, where the copolymer (A) has a propylene content of at least 50 mol% and less than 100 mol% and the copolymer (A) has a weight average molecular weight Mw of at least 10,000 and a molecular weight distribution Mw/Mn of at most 3.5, and the resin dispersion has a surfactant content of at most 15 parts by weight per 100 parts by weight of the polymer (C).Type: GrantFiled: October 13, 2014Date of Patent: April 16, 2019Assignee: Mitsubishi Chemical CorporationInventors: Masato Onoe, Toshiya Seko
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Publication number: 20150125688Abstract: To provide an aqueous dispersion of a resin wherein dispersed particles are stable with fine particle sizes and whereby bleeding out is suppressed, which is thus useful as e.g. a surface treating agent, an adhesive or a coating material for a polyolefin substrate. A resin dispersion having, dispersed in water with a 50% particle diameter of at most 0.5 ?m, a polymer (C) having a hydrophilic polymer (B) or an acidic group bonded to a propylene/?-olefin copolymer (A) as a copolymer of propylene with an ?-olefin other than propylene, wherein the copolymer (A) has a propylene content of at least 50 mol % and less than 100 mol %, and the copolymer (A) has a weight average molecular weight Mw of at least 10,000 and a molecular weight distribution Mw/Mn of at most 3.5; and the resin dispersion has a surfactant content of at most 15 parts by weight per 100 parts by weight of the polymer (C); and a coating material or laminate, made by using such a dispersion.Type: ApplicationFiled: October 13, 2014Publication date: May 7, 2015Applicant: Mitsubishi Chemical CorporationInventors: Masato ONOE, Toshiya Seko
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Publication number: 20120135243Abstract: To provide an aqueous dispersion of a resin wherein dispersed particles are stable with fine particle sizes and whereby bleeding out is suppressed, which is thus useful as e.g. a surface treating agent for a polyolefin substrate, an adhesive or a coating material. A resin dispersion having dispersed in water a polymer (C) having a hydrophilic polymer (B) bonded to a polyolefin (A) in a ratio of (A):(B)=100:5 to 100:500 (weight ratio); a method for producing the resin dispersion; and a coating material and a laminate, employing it.Type: ApplicationFiled: February 3, 2012Publication date: May 31, 2012Applicant: MITSUBISHI CHEMICAL CORPORATIONInventors: Masato ONOE, Toshiya Seko, Yongwoo Shin, Yongjun Jang, Fumihiko Shimizu
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Patent number: 8158727Abstract: To provide an aqueous dispersion of a resin wherein dispersed particles are stable with fine particle sizes and whereby bleeding out is suppressed, which is thus useful as e.g. a surface treating agent for a polyolefin substrate, an adhesive or a coating material. A resin dispersion having dispersed in water a polymer (C) having a hydrophilic polymer (B) bonded to a polyolefin (A) in a ratio of (A):(B)=100:5 to 100:500 (weight ratio); a method for producing the resin dispersion; and a coating material and a laminate, employing it.Type: GrantFiled: June 2, 2006Date of Patent: April 17, 2012Assignee: Mitsubishi Chemical CorporationInventors: Masato Onoe, Toshiya Seko, Yongwoo Shin, Yongjun Jang, Fumihiko Shimizu
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Patent number: 7659356Abstract: A polypropylene type aqueous dispersion comprising the following components (a) to (c): (a) a polypropylene type polymer 100 parts by weight and/or a modified polypropylene type polymer (b) a surfactant 1 to 100 parts by weight, and (c) water 100 to 1,000 parts by weight, wherein the component (a) has a main chain having the following features (1) and (2) and dispersion particles in the dispersion have an average particle size of at most 0.5 ?m, Feature (1) when observing a peak derived from a carbon atom of a methyl group in a propylene unit chain part comprising a head-to-tail bond by 13C-NMR and fixing a chemical shift of a peak top at a peak attributable to pentad expressed by mmmm to 21.8 ppm, a ratio (S1/S) of an area S1 of a peak of a peak top at 21.8 ppm to a total area S of peaks at from 19.8 ppm to 22.1 ppm is at least 10% and at most 60%, and when an area of a peak (mmmr) of a peak top at 21.5 to 21.Type: GrantFiled: August 4, 2008Date of Patent: February 9, 2010Assignee: Mitsubishi Chemical CorporationInventors: Teruaki Ashihara, Masato Onoe, Kazuyuki Hata, Fumihiko Shimizu, Naomasa Sato, Yukihito Zanka, Kouichi Nakayama
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Publication number: 20090226728Abstract: To provide an aqueous dispersion of a resin wherein dispersed particles are stable with fine particle sizes and whereby bleeding out is suppressed, which is thus useful as e.g. a surface treating agent for a polyolefin substrate, an adhesive or a coating material. A resin dispersion having dispersed in water a polymer (C) having a hydrophilic polymer (B) bonded to a polyolefin (A) in a ratio of (A):(B)=100:5 to 100:500 (weight ratio); a method for producing the resin dispersion; and a coating material and a laminate, employing it.Type: ApplicationFiled: June 2, 2006Publication date: September 10, 2009Inventors: Masato Onoe, Toshiya Seko, Yongwoo Shin, Yongjun Jang, Fumihiko Shimizu
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Publication number: 20090092847Abstract: To provide an aqueous dispersion of a resin wherein dispersed particles are stable with fine particle sizes and whereby bleeding out is suppressed, which is thus useful as e.g. a surface treating agent, an adhesive or a coating material for a polyolefin substrate. A resin dispersion having, dispersed in water with a 50% particle diameter of at most 0.5 ?m, a polymer (C) having a hydrophilic polymer (B) or an acidic group bonded to a propylene/?-olefin copolymer (A) as a copolymer of propylene with an ?-olefin other than propylene, wherein the copolymer (A) has a propylene content of at least 50 mol % and less than 100 mol %, and the copolymer (A) has a weight average molecular weight Mw of at least 10,000 and a molecular weight distribution Mw/Mn of at most 3.5; and the resin dispersion has a surfactant content of at most 15 parts by weight per 100 parts by weight of the polymer (C); and a coating material or laminate, made by using such a dispersion.Type: ApplicationFiled: December 1, 2006Publication date: April 9, 2009Applicant: MITSUBISHI CHEMICAL CORPORATIONInventors: Masato Onoe, Toshiya Seko
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Publication number: 20090018251Abstract: A polypropylene type aqueous dispersion comprising the following components (a) to (c): (a) a polypropylene type polymer 100 parts by weight and/or a modified polypropylene type polymer (b) a surfactant 1 to 100 parts by weight, and (c) water 100 to 1,000 parts by weight, wherein the component (a) has a main chain having the following features (1) and (2) and dispersion particles in the dispersion have an average particle size of at most 0.5 ?m, Feature (1) when observing a peak derived from a carbon atom of a methyl group in a propylene unit chain part comprising a head-to-tail bond by 13C-NMR and fixing a chemical shift of a peak top at a peak attributable to pentad expressed by mmmm to 21.8 ppm, a ratio (S1/S) of an area S1 of a peak of a peak top at 21.8 ppm to a total area S of peaks at from 19.8 ppm to 22.1 ppm is at least 10% and at most 60%, and when an area of a peak (mmmr) of a peak top at 21.5 to 21.Type: ApplicationFiled: August 4, 2008Publication date: January 15, 2009Applicant: MITSUBISHI CHEMICAL CORPORATIONInventors: Teruaki ASHIHARA, Masato ONOE, Kazuyuki HATA, Fumihiko SHIMIZU, Naomasa SATO, Yukihito ZANKA, Kouichi NAKAYAMA
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Patent number: 7304111Abstract: A problem of the invention is to provide a propylene copolymer which is excellent in adhesion to crystalline propylene-based polymers and which is excellent in solubility and compatibility with polar resins, a process for producing the same, and a composition containing the subject polypropylene copolymer. The invention is concerned with a polypropylene copolymer, which is characterized by having a polymer principal chain (A) derived from a propylene-based polymer having (1) a prescribed requirement as defined by the 13C-NMR spectral measurement and having (2) a melting point [Tm] by a differential scanning calorimeter of not higher than 100° C., or a crystal melting heat of less than 5 J/g; and a side chain containing a polymer chain (B) which is different from the principal chain, with a weight ratio of (A)/(B) being in the range of from 20/1 to 1/20, a composition containing the subject copolymer, and a process for producing the subject copolymer.Type: GrantFiled: August 22, 2005Date of Patent: December 4, 2007Assignee: Mitsubishi Chemical CorporationInventors: Masato Onoe, Kazuyuki Hata
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Publication number: 20070166250Abstract: The present invention discloses a cosmetic polymer composition containing a straight-chain block copolymer, where the copolymer having a unit derived from a compound having an ethylenic unsaturated bond, having a number-average molecular weight of 1.0×103 to 1.0×106, and having at least two or more glass transition points or melting points; a hair cosmetic polymer composition containing a copolymer a copolymer capable of forming a film having a Young's modulus of 50 MPa or larger and a fracture-point elongation of 100% or larger, and dispersible into water and/or alcohol; and a cosmetic material containing these compositions.Type: ApplicationFiled: March 29, 2007Publication date: July 19, 2007Inventors: Tomoaki HIWATASHI, Minako SHIBATA, Osamu NISHIZAWA, Masato ONOE, Yasuo KITANI
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Patent number: 7122604Abstract: This invention provides a graft modified polypropylene polymer which does not contain halogens, is excellent in certain properties such as solubility and can add good adhesiveness and coating ability to crystalline propylene polymer base materials, and a composition containing the same; and in particular, it provides a propylene polymer which contains a propylene polymer main chain having a stereo-block structure containing an isotactic block and a side chain containing a carboxylic acid group, an acid anhydride group or a carboxylic acid ester group, wherein when it is dissolved in toluene to a concentration of 10% by weight at 25° C., the insoluble matter is 1% by weight or less based on the total polymer, and a composition containing the same.Type: GrantFiled: November 12, 2004Date of Patent: October 17, 2006Assignee: Mitsubishi Chemical CorporationInventors: Masato Onoe, Teruaki Ashihara, Kazuyuki Hata, Fumihiko Shimizu, Naomasa Sato, Akio Tanna
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Publication number: 20060025535Abstract: A problem of the invention is to provide a propylene copolymer which is excellent in adhesion to crystalline propylene-based polymers and which is excellent in solubility and compatibility with polar resins, a process for producing the same, and a composition containing the subject polypropylene copolymer. The invention is concerned with a polypropylene copolymer, which is characterized by having a polymer principal chain (A) derived from a propylene-based polymer having (1) a prescribed requirement as defined by the 13C-NMR spectral measurement and having (2) a melting point [Tm] by a differential scanning calorimeter of not higher than 100° C., or a crystal melting heat of less than 5 J/g; and a side chain containing a polymer chain (B) which is different from the principal chain, with a weight ratio of (A)/(B) being in the range of from 20/1 to 1/20, a composition containing the subject copolymer, and a process for producing the subject copolymer.Type: ApplicationFiled: August 22, 2005Publication date: February 2, 2006Applicant: MITSUBISHI CHEMICAL CORPORATIONInventors: Masato Onoe, Kazuyuki Hata
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Publication number: 20050124753Abstract: A polypropylene type aqueous dispersion comprising the following components (a) to (c): (a) a polypropylene type polymer 100 parts by weight and/or a modified polypropylene type polymer (b) a surfactant 1 to 100 parts by weight, and (c) water 100 to 1,000 parts by weight, wherein the component (a) has a main chain having the following features (1) and (2) and dispersion particles in the dispersion have an average particle size of at most 0.5 ?m, Feature (1) when observing a peak derived from a carbon atom of a methyl group in a propylene unit chain part comprising a head-to-tail bond by 13C-NMR and fixing a chemical shift of a peak top at a peak attributable to pentad expressed by mmmm to 21.8 ppm, a ratio (S1/S) of an area S1 of a peak of a peak top at 21.8 ppm to a total area S of peaks at from 19.8 ppm to 22.1 ppm is at least 10% and at most 60%, and when an area of a peak (mmmr) of a peak top at 21.5 to 21.Type: ApplicationFiled: October 26, 2004Publication date: June 9, 2005Applicant: MITSUBISHI CHEMICAL CORPORATIONInventors: Teruaki Ashihara, Masato Onoe, Kazuyuki Hata, Fumihiko Shimizu, Naomasa Sato, Yukihito Zanka, Kouichi Nakayama
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Patent number: 6887943Abstract: This invention provides a graft modified polypropylene polymer which does not contain halogens, is excellent in certain properties such as solubility and can add good adhesiveness and coating ability to crystalline propylene polymer base materials, and a composition containing the same; and in particular, it provides a propylene polymer which contains a propylene polymer main chain having a stereo-block structure containing an isotactic block and a side chain containing a carboxylic acid group, an acid anhydride group or a carboxylic acid ester group, wherein when it is dissolved in toluene to a concentration of 10% by weight at 25° C., the insoluble matter is 1% by weight or less based on the total polymer, and a composition containing the same.Type: GrantFiled: October 31, 2002Date of Patent: May 3, 2005Assignee: Mitsubishi Chemical CorporationInventors: Masato Onoe, Teruaki Ashihara, Kazuyuki Hata, Fumihiko Shimizu, Naomasa Sato, Akio Tanna
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Publication number: 20050075441Abstract: This invention provides a graft modified polypropylene polymer which does not contain halogens, is excellent in certain properties such as solubility and can add good adhesiveness and coating ability to crystalline propylene polymer base materials, and a composition containing the same; and in particular, it provides a propylene polymer which contains a propylene polymer main chain having a stereo-block structure containing an isotactic block and a side chain containing a carboxylic acid group, an acid anhydride group or a carboxylic acid ester group, wherein when it is dissolved in toluene to a concentration of 10% by weight at 25° C., the insoluble matter is 1% by weight or less based on the total polymer, and a composition containing the same.Type: ApplicationFiled: November 12, 2004Publication date: April 7, 2005Applicant: MITSUBISHI CHEMICAL CORPORATIONInventors: Masato Onoe, Teruaki Ashihara, Kazuyuki Hata, Fumihiko Shimizu, Naomasa Sato, Akio Tanna
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Publication number: 20040223933Abstract: The present invention discloses a cosmetic polymer composition containing a straight-chain block copolymer, where the copolymer having a unit derived from a compound having an ethylenic unsaturated bond, having a number-average molecular weight of 1.0×103 to 1.0×106, and having at least two or more glass transition points or melting points; a hair cosmetic polymer composition containing a copolymer a copolymer capable of forming a film having a Young's modulus of 50 MPa or larger and a fracture-point elongation of 100% or larger, and dispersible into water and/or alcohol; and a cosmetic material containing these compositions.Type: ApplicationFiled: March 12, 2004Publication date: November 11, 2004Applicant: MITSUBISHI CHEMICAL CORPORATIONInventors: Tomoaki Hiwatashi, Minako Shibata, Osamu Nishizawa, Masato Onoe, Yasuo Kitani
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Publication number: 20030153686Abstract: This invention provides a graft modified polypropylene polymer which does not contain halogens, is excellent in certain properties such as solubility and can add good adhesiveness and coating ability to crystalline propylene polymer base materials, and a composition containing the same; and in particular, it provides a propylene polymer which contains a propylene polymer main chain having a stereo-block structure containing an isotactic block and a side chain containing a carboxylic acid group, an acid anhydride group or a carboxylic acid ester group, wherein when it is dissolved in toluene to a concentration of 10% by weight at 25° C., the insoluble matter is 1% by weight or less based on the total polymer, and a composition containing the same.Type: ApplicationFiled: October 31, 2002Publication date: August 14, 2003Applicant: MITSUBISHI CHEMICAL CORPORATIONInventors: Masato Onoe, Teruaki Ashihara, Kazuyuki Hata, Fumihiko Shimizu, Naomasa Sato, Akio Tanna
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Patent number: 6100347Abstract: A crystalline olefin base resin composition having a high elastic modulus, a high heat resistance and excellent scratch resistance, and that is useful as a material for car parts and the like is provided. The crystalline olefin base resin composition described above comprises 99 to 40% by weight of the following component (A) and 1 to 60% by weight of the following component (B):(A) a crystalline olefin base resin, and(B) a polymer obtained by vinylene polymerization of cyclic olefin and having a weight-average molecular weight of not less than 1,000 and less than 10,000 and a glass transition point of from 140 to 400.degree. C.Type: GrantFiled: April 23, 1998Date of Patent: August 8, 2000Assignee: Mitsubishi Chemical CorporationInventors: Yuuta Kumano, Osamu Nisizawa, Kenji Takasaki, Masato Onoe