Patents by Inventor Teruaki Ashihara
Teruaki Ashihara 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: 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: 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: 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: 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: 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: 6277912Abstract: An aqueous, chlorinated modified polyolefin-based resin composition and its manufacture, which resin composition provides, as an adhesive, a paint for ink, a coating material, etc., moldings and films consisting mainly of polyolefin-based resins with a coating film excellent at the properties such as adhesiveness, gasohol resistance, moisture resistance, impact resistance, flexibility, etc. and which resin composition is particularly good at environmental conservation, safety, and health and hygiene because the resin composition doesn't contain organic solvents including aromatic solvents such as xylene, toluene, etc.Type: GrantFiled: April 22, 1998Date of Patent: August 21, 2001Assignee: Toyo Kasei Kogyo Company LimitedInventors: Teruaki Ashihara, Tadanori Funasaka, Shoji Maekawa, Ryozo Orita
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Patent number: 5821301Abstract: Disclosed is a modified chlorinated polyolefin resin composition, as well as a method for producing the same, which has adhesion to polyolefin substrates without the need of steam-washing or degreasing the polyolefin surface with chlorine-based organic solvents such as trichloroethane, and which is improved in such properties as interlayer adhesion to base-coats and/or top-coats and gasohol resistance. The modified polyolefin resin composition for polyolefin resin paints comprises: a chlorinated polyolefin having an acid value of 1 to 500 mg.multidot.KOH/g, which is obtained by chlorinating a polyolefin modified with one kind, or more than one kind, of compounds selected from a group consisting of .alpha., .beta.-unsaturated carboxylic acids and/or acid anhydrides thereof in a range of 1 to 50% by weight; and a compound and/or a resin thereof having one epoxy group per molecule represented by the structural formula as described in the specification.Type: GrantFiled: April 9, 1997Date of Patent: October 13, 1998Assignee: Toyo Kasei Kogyo Company LimitedInventors: Tatsuo Tsuneka, Takafumi Masuda, Kenichiro Isomoto, Teruaki Ashihara, Shozo Maekawa, Tetsuzo Nishioka, Ryozo Orita
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Patent number: 5349022Abstract: Non-organic solvent, non-polluting and stable emulsions of modified chlorinated polyolefins are prepared by dissolving chlorinated polyolefins and oligomers of a (metha)acrylate system uniformly in a (metha)acrylate monomer in the presence or absence of catalyst or chain transfer moderator, and suspension polymerization is achieved in an aqueous solvent. The obtained suspensions are stable more than 3 months at room temperature, and these emulsions give one coat coating films and primer coating films which have good properties such as good adhesion, and waterproof and weatherproof properties.Type: GrantFiled: March 6, 1992Date of Patent: September 20, 1994Assignee: Toyo Kasei Kogyo Company LimitedInventors: Teruaki Ashihara, Shingo Tone, Toshimitsu Saito, Ryozo Orita
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Patent number: 5143976Abstract: The present invention concerns the polyolefin resin compositions wherein acrylic oligomers, polydiene and chlorinated polyolefins which contain 10-60 weight % chlorine are graft copolymerized. Films of the polyolefin resin compositions have good adhesive properties, moisture-resistant properties and appearance.Type: GrantFiled: January 16, 1991Date of Patent: September 1, 1992Assignee: Toyo Kasei Kogyo Company Ltd.Inventors: Teruaki Ashihara, Shingo Tone, Ryozo Orita
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Patent number: 5130373Abstract: Polyolefin type coating resin compositions obtained by copolymerizing acrylic type oligomers, polydienes, acrylic type monomers and chlorinated polyolefins containing 10-60 weight % chlorine in the existence or the absence of the Hardener. The obtained copolymers are used for coatings, printing inks or adhesives applying as one coat finish or primer to give excellent coating films of adhesive property, solvent resistance and the appearance.Type: GrantFiled: May 13, 1991Date of Patent: July 14, 1992Assignee: Toyo Kasei Kogyo Company LimitedInventors: Teruaki Ashihara, Shingo Tone, Ryozo Orita