Patents by Inventor Tateki Furuyama
Tateki Furuyama 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: 5643990Abstract: A resin compound having superior electrical, mechanical, and molding properties that includes a synthetic resin and carbon fibrils. At least 50 wt % of the fibrils are intertwined to form fibril agglomerates whose diameter is in the range of 0.10-0.25 mm.Type: GrantFiled: October 28, 1994Date of Patent: July 1, 1997Assignee: Hyperion Catalysts International, Inc.Inventors: Shotaro Uehara, Munehiro Mitsui, Seiichi Atomori, Tateki Furuyama, Atushi Shiota, Mineo Fujimura, Masaki Nagata
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Patent number: 5614568Abstract: An antibacterial resin composition comprising (A) 100 parts by weight of a styrene resin, (B) 0.01 to 30 parts by weight of an antibacterial agent and (C) 0.01 to 30 parts by weight of a compound having a specific functional group, and said antibacterial resin composition is excellent in antibacterial property and surface appearance of molded article and can give a molded article which can be applied to many fields.Type: GrantFiled: May 22, 1995Date of Patent: March 25, 1997Assignee: Japan Synthetic Rubber Co., Ltd.Inventors: Masaaki Mawatari, Chie Hamazaki, Tateki Furuyama
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Patent number: 5605962Abstract: A flame retarding resin composition comprising 100 parts by weight of a specific rubber-reinforced resin, 1-200 parts by weight of a phenol resin, 1-200 parts by weight of an organic phosphorus compound, 1-50 parts by weight of a nitrogen-containing compound, 0-40 parts by weight of an oligomer-type polymer containing a functional group, 0-30 parts by weight of a metal compound, a silicon compound, and/or polytetrafluoroethylene, and 0-300 parts by weight of a styrene-type resin. The composition has high impact resistance, excellent heat resistance, and a superior self-fire-extinguishing characteristic.Type: GrantFiled: February 24, 1994Date of Patent: February 25, 1997Assignee: Japan Synthetic Rubber Co., Ltd.Inventors: Masanori Suzuki, Hiroyuki Itoh, Koichi Sumi, Yoichi Kamoshida, Shigeru Abe, Seiichi Atomori, Tateki Furuyama
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Patent number: 5574099Abstract: A rubber-reinforced styrene resin composition consisting essentially of:(1) 2-30% by weight of a grafted rubbery polymer wherein less than 30 parts by weight of a polymer of at least an aromatic alkenyl compound and an alkenyl cyanide compound are grafted onto 100 parts by weight of a conjugated diene rubber (I) having a weight average particle size of 0.26-0.6 .mu.m and a gel content of 30-80% by weight;(2) 5-40% by weight of a grafted rubbery polymer wherein 30 parts by weight or more of a polymer of at least an aromatic alkenyl compound and an alkenyl cyanide are grafted onto 100 parts by weight of a conjugated diene rubber (II) having a weight average particle size of 0.26-0.6 .mu.m and a gel content of 30-80% by weight; and(3) 40-93% by weight of a styrene copolymer of a monomer component consisting of at least one aromatic alkenyl compound and an alkenyl cyanide compound, and the difference between grafting degree of the component (1) and the grafting degree of component (2) being 15% by weight or more.Type: GrantFiled: January 20, 1995Date of Patent: November 12, 1996Assignee: Japan Synthetic Rubber Co., Ltd.Inventors: Masahiko Noro, Noriaki Ijuin, Akio Matsuda, Tateki Furuyama
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Patent number: 5434219Abstract: A thermoplastic resin composition comprising: (I) a rubber-modified thermoplastic resin, and (II) a transparent thermoplastic resin, a thermoplastic elastomer or combination thereof, provided that said resin (I) is excluded from component (II), wherein the rubber-modified thermoplastic resin (I) is a resin prepared by polymerizing (B) 30-100% by weight of at least one member selected from the group consisting of an aromatic alkenyl compound monomer and an alkyl (meth)acrylate monomer and (C) 70-0% by weight of at least one other monomeric compound copolymerizable therewith, in the presence of 5-45% by weight of (A) a hydrogenated diene copolymer of component (I) obtained by hydrogenating a diene copolymer comprising a random copolymer of 50% by weight or more of at least one conjugated diene and 50% by weight or less of an alkenyl aromatic compound until at least 70% by weight of the olefinic unsaturation of the diene copolymer is hydrogenated.Type: GrantFiled: February 9, 1994Date of Patent: July 18, 1995Assignee: Japan Synthetic Rubber Co., Ltd.Inventors: Katsuro Oomura, Tateki Furuyama, Kazuhiko Yamamoto, Toshihiro Shimamura, Yoshinobu Suzuki
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Patent number: 5306770Abstract: A thermoplastic resin composition which comprises:(A) 45-90% by weight of a rubber-modified thermoplastic styrene resin in which the grafting degree is 40-150% by weight based on the weight of the rubbery polymer,(B) 9.5-54.5% by weight of an aromatic polyester having an intrinsic viscosity of 1.1-2 dl/g as measured at 25.degree. C. in o-chlorophenol, and(C) 0.1-20% by weight of a graft copolymer obtained by graft-copolymerizing a monomer mixture consisting of 60-80% by weight of an aromatic alkenyl compound and 20-40% by weight of an alkenyl cyanide compound on a copolymer consisting essentially of an olefin unit and an epoxy group-containing unsaturated compound unit, and(D) optionally a silicone lubricant in a proportion of 5-20,000 ppm of the total weight of the (A), (B) and (C) components.Type: GrantFiled: October 4, 1991Date of Patent: April 26, 1994Assignee: Japan Synthetic Rubber Co., Ltd.Inventors: Junji Kojina, Akio Matsuda, Yasunori Asano, Tateki Furuyama
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Patent number: 5306778Abstract: A process for producing a rubber-modified thermoplastic resin, which comprises polymerizing (B) 30-100% by weight of an aromatic alkenyl compound monomer and/or an alkyl (meth)acrylate monomer and (C) 70-0% by weight of at least one other monomer compound copolymerizable therewith, in the presence of (A) a hydrogenated diene copolymer obtained by hydrogenating a diene copolymer comprising a rndom copolymer of 50% by weight or more of at least one conjugated diene and 50% by weight or less of an alkenyl aromatic compound until at least 70% by weight of the olefinic unsaturation of the diene copolymer is hydrogenated.Type: GrantFiled: February 11, 1993Date of Patent: April 26, 1994Assignee: Japan Synthetic Rubber Co., Ltd.Inventors: Atushi Ishida, Katsuro Oomura, Yuji Yamamoto, Yuji Nakagawa, Tateki Furuyama, Hisao Nagai, Toshio Teramoto, Yasuo Takahashi, Hideki Ueda, Kazuhiko Yamamoto, Toshihiro Shimamura, Yoshinobu Suzuki
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Patent number: 5302647Abstract: A flame retardant resin composition which includes the following component (A) and component (B) blended in the ratio (A):(B)=100:1-40 parts by weight. Component (A) is a thermoplastic resin including 0-70% by weight of a rubber component and 100-30% by weight of a polymer component formed from monomers comprising a methylated aromatic vinyl monomer and an hydroxylated aromatic vinyl monomer and, optionally, an aromatic vinyl monomer other than the above monomers, a cyanated vinyl monomer, a (meth)acrylic acid ester monomer, maleic anhydride, and a maleimide monomer; graft ratio of the thermoplastic resin being 10-150% when the rubber component is used. Component (B) is a flame retarder.Type: GrantFiled: July 12, 1991Date of Patent: April 12, 1994Assignee: DSM N.V.Inventors: Masanori Suzuki, Hiroyuki Itoh, Masaaki Mawatari, Tateki Furuyama
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Patent number: 5290861Abstract: A thermoplastic resin composition comprising (A) 75 to 99.8% by weight of a rubber-modified styrene thermoplastic resin, (B) 0.1 to 15% by weight of an aromatic polyester having an intrinsic viscosity in the range of 0.2 to 1.5 dl/g, and (C) 0.1 to 10% by weight of an aromatic polycarbonate. The resin composition provides a painted surface with a superior appearance when a paint is applied on its surface, while maintaining its good fluidity, high impact resistance, and excellent molding heat stability. It can be applied with particular advantage to bodies or chassis of automobiles and the like onto which a paint is coated.Type: GrantFiled: November 23, 1992Date of Patent: March 1, 1994Assignee: Japan Synthetic Rubber Co., Ltd.Inventors: Masahiko Noro, Munehiro Mitsui, Kazuyoshi Nakazawa, Tateki Furuyama
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Patent number: 5258438Abstract: A flame retardant resin composition including the following components (A), (B) and (C) in the ratio (A):(B):(C)=15-99:0-84:1-30% by weight; and wherein the molar ratio of bromine atom and antimony atom is 1.2-4.5:1.Type: GrantFiled: July 12, 1991Date of Patent: November 2, 1993Assignee: DSM N.V.Inventors: Masanori Suzuki, Hiroyuki Itoh, Seiichi Atomori, Tateki Furuyama
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Patent number: 5218014Abstract: A thermoplastic resin containing a graft copolymer obtained by graft-copolymerizing at least one vinyl monomer onto colloidal silica-core silicone-shell particles, and a process for producing the thermoplastic resin.A colloidal silica-core silicone-shell particles comprising(A) from 99.9 to 5% by weight of cores which are colloidal silica particles, and(B) from 0.1 to 95% by weight of shells comprising an organosiloxy group represented by the formula ##STR1## wherein R.sup.1 which may be the same or different each represents a substituted or unsubstituted monovalent hydrocarbon group having 1 to 8 carbon atoms, Q represents hydrogen atom or an alkyl group having 1 to 6 carbon atoms, p is an integer of 1 to 3, and q is an integer of 0 to 2, with proviso that (p+q) is an integer of 1 to 3, and/or a polyorganosiloxane represented by the average composition formula ##EQU1## wherein R.sup.Type: GrantFiled: December 14, 1990Date of Patent: June 8, 1993Assignees: Toshiba Silicone Co., Ltd., Japan Synthetic Rubber Co., Ltd.Inventors: Makoto Matsumoto, Junichiro Watanabe, Takashi Kurata, Noriaki Ijuin, Tateki Furuyama
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Patent number: 5169899Abstract: A thermoplastic resin composition comprising(A) 1-90% by weight of a polyamide elastomer and(B) 99-10% by weight of at least one of the following (a) and (b):(a) a rubber-modified thermoplastic styrene resin consisting of a rubber-modified styrene polymer containing a hydroxyl group-containing alkenyl monomer as a copolymerized component or a mixture of rubber-modified styrene polymer with a styrene polymer, in which mixture at least one of these polymers contains a hydroxyl group-containing alkenyl monomer as a copolymerized component,(b) a mixture or reaction product of (1) 40-99% by weight of a thermoplastic polyurethane with (2) 60-1% by weight of a functional group-containing styrene resin in which a styrene resin is copolymerized with an unsaturated compound having at least one functional group selected from the group consisting of a carboxyl group, an acid anhydride group, an amino group, an epoxy group and a hydroxyl group.Type: GrantFiled: September 7, 1989Date of Patent: December 8, 1992Assignee: Japan Synthetic Rubber Co., Ltd.Inventors: Shotaro Uehara, Hodaka Mizuno, Seiichi Atomori, Tateki Furuyama, Akira Kamiya
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Patent number: 4839410Abstract: A flame-retardant rubber-modified styrene resin composition comprising, as essential components, (A) a rubber-modified styrene resin, (B) a halogenated bisphenol type polycarbonate oligomer, (C) a halogenated bisphenol type compound, and (D) a halogenated polyolefin compound. The resin composition contains these components (A), (B), (C), and (D) at specific proportions, and its contents of the components (B) and (C) must be at a specified ratio. The resin composition is not only flame-retardant but also possesses such excellent characteristics as a high degree of light resistance, heat resistance, impact resistance and fluidity when it is molded. It can be molded into articles of various shapes and has a wide variety of applications in business machines, electric appliances, and automobile parts.Type: GrantFiled: February 9, 1988Date of Patent: June 13, 1989Assignee: Japan Synthetic Rubber Co., Ltd.Inventors: Seiichi Atomori, Teruo Inagaki, Tateki Furuyama, Akira Kamiya
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Patent number: 4777202Abstract: A flame-retardant styrene resin composition comprising 100 parts by weight of a styrene resin, 1 to 25 parts by weight of at least one flame retarder (A) represented by the formula (I): ##STR1## wherein X is Br or Cl; and each of h and i is an integer of 2 to 5, and 1 to 25 parts by weight of at least one flame retarder (B) represented by the formula (II): ##STR2## wherein X is Br or Cl; each of l and m is an integer of 1 to 4; n means that the number of repeating units is 1 to 50; each of R.sup.1 and R.sup.2 is a C.sub.1-12 alkyl group; and each of R.sup.3 and R.sup.4 is a hydrogen atom, a lower alkyl group, an alkylphenyl group or a phenyl group, the total amount of (A) and (B) being 2 to 40 parts by weight. This composition has excellent heat resistance and excellent heat stability in addition to flame retardancy.Type: GrantFiled: May 26, 1987Date of Patent: October 11, 1988Assignee: Japan Synthetic Rubber Co., Ltd.Inventors: Teruo Inagaki, Seiichi Atomori, Tateki Furuyama, Yuji Yamamoto