Patents by Inventor Hidehiro Kourogi
Hidehiro Kourogi 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: 8778471Abstract: A propylene resin composition which contains as essential components thereof (A) an ethylene-propylene random copolymer having an ethylene content of 0.5 to 3.0 parts by mass; (B) an elastomer having an average particle diameter of 10 to 800 nm in an amount of 1 to 10 parts by mass based on 100 parts by mass of the ethylene-propylene random copolymer; and (C) a crystalline nucleating agent, and in which after kneading thereof, the kneaded propylene resin composition exhibit a melt flow rate (MFR) of 0.01 to 1.00 g/10 min. The propylene resin composition is suitable for the production of a wide variety of molded articles.Type: GrantFiled: January 14, 2011Date of Patent: July 15, 2014Assignee: Asahi Organic Chemicals Industry Co., Ltd.Inventors: Hidehiro Kourogi, Chisato Nakazono
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Patent number: 8344050Abstract: Disclosed are a piping member formed by using a propylene-based resin composition comprising 100 parts by mass of a propylene-ethylene random copolymer (A) having an ethylene content of 2 to 5%, a crystallization temperature of 86 to 105° C., a melt flow rate of 0.01 to 2.00 g/10 min and a molecular weight distribution of 3 to 8, and 1 to 15 parts by mass of a styrene-butadiene-base rubber (B) having a styrene content of 10 to 40% and a weight average molecular weight of 200,000 or more as essential components, a melt flow rate after kneading being from 0.01 to 2.00 g/10 min, characterized in that the propylene-based resin composition further comprising a hindered amine-based light stabilizer (C) having a weight average molecular weight of 2,000 or more in the amount of 0.1 to 1.Type: GrantFiled: February 1, 2008Date of Patent: January 1, 2013Assignee: Asahi Organic Chemicals Industry Co., Ltd.Inventors: Takanori Inoue, Hidehiro Kourogi
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Publication number: 20120305123Abstract: A propylene resin composition which contains as essential components thereof (A) an ethylene-propylene random copolymer having an ethylene content of 0.5 to 3.0 parts by mass; (B) an elastomer having an average particle diameter of 10 to 800 nm in an amount of 1 to 10 parts by mass based on 100 parts by mass of the ethylene-propylene random copolymer; and (C) a crystalline nucleating agent, and in which after kneading thereof, the kneaded propylene resin composition exhibit a melt flow rate (MFR) of 0.01 to 1.00 g/10 min. The propylene resin composition is suitable for the production of a wide variety of molded articles.Type: ApplicationFiled: January 14, 2011Publication date: December 6, 2012Applicant: ASAHI ORGANIC CHEMICALS INDUSTRY CO., LTDInventors: Hidehiro Kourogi, Chisato Nakazono
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Patent number: 8058340Abstract: A propylene-based resin composition for a pipe member, and a pipe member and multi-layered pipe member formed using that the same, which is comprised of (a) 65 to 90 parts by mass of a propylene resin homopolymer, (b) 10 to 25 parts by mass of talc having an average particle size of 1 to 10 ?m and (c) 1 to 10 parts by mass of at least one kind of a rubber component selected from an ethylene-propylene-based rubber, an ethylene-butene-based rubber, a styrene-butadiene-based rubber and a styrene-isoprene-based rubber as main components, wherein the MFR of a melt-kneaded mixture obtained by melt kneading these components (a) to (c) is from 0.01 to 2.00 g/10 minutes.Type: GrantFiled: June 30, 2006Date of Patent: November 15, 2011Assignee: Asahi Organic Chemicals Industry Co., Ltd.Inventors: Hidehiro Kourogi, Sueyoshi Suetome
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Publication number: 20110168289Abstract: A method of connection of piping members made from a polyphenylene ether-based resin composition characterized in that the piping members made from a polyphenylene ether-based resin composition are comprised of a polyphenylene ether-based resin composition which has a polyphenylene ether-based resin in “a” parts by mass and a polystyrene-based resin in “b” parts by mass as essential ingredients, has the “a” and “b” satisfying the relationships of a+b=100 and a:b=(10 to 90):(90 to 10), and has a melt flow rate after kneading of 1.0 to 10.0 g/10 min, comprising heating and melting an outer circumferences of the pipe part and an inner circumferences of the mouth part of the piping members made from a polyphenylene ether-based resin composition parts by mass/100 parts by mass)}]±10° C. then inserting the pipe part into the mouth part to melt bond them.Type: ApplicationFiled: September 16, 2009Publication date: July 14, 2011Applicant: ASAHI ORGANIC CHEMICALS INDUSTRY CO., LTD.Inventors: Hidehiro Kourogi, Yoshihisa Kai
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Publication number: 20100171059Abstract: Disclosed is a valve comprising a body, which has a fluid inlet port and a fluid outlet port, a flow path formed therein communicated with the fluid inlet port and the fluid outlet port, and a valve seat formed in the flow path; and a valve body, which is attached to or detached from the valve seat by pivotal or vertical motion, thereby closing or opening the flow path; wherein at least the body is made of a polyphenylene ether-based resin composition containing a polyphenylene ether-based resin and a polystyrene-based resin as essential components. Another feature is that the polyphenylene ether-based resin composition has a tensile strength of 20 MPa or more and a tensile elastic modulus of 1,000 MPa or more under an atmosphere at 95° C.Type: ApplicationFiled: May 22, 2008Publication date: July 8, 2010Applicant: ASAHI ORGANIC CHEMICALS INDUSTRY CO., LTD.Inventors: Hidehiro Kourogi, Takanori Inoue
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Publication number: 20100136272Abstract: The present invention relates to a piping member molded from a resin composition comprising 50 to 120 parts by mass of a polystyrene-based resin relative to 100 parts by mass of a polyphenylene ether-based resin as essential components, and having a melt flow rate after kneading of 1.0 to 5.0 g/10 min. The present invention also relates to a piping member which has individual characteristics of a mold shrinkage factor from 0.5 to 0.8%, a time to breakage of 1,000 hours or more in a high-temperature creep characteristics test when molding is carried out in an atmosphere at 95° C. under an applied tensile load of 5.0 MPa, and a moisture content of the kneaded resin composition before molding of less than 250 ppm, and in which is further blended a styrene•butadiene-based rubber having a styrene content of 10 to 40% and a weight average molecular weight of 200,000 or more in an amount of 1 to 15 parts by mass relative to 100 parts by mass of the polyphenylene ether-based resin.Type: ApplicationFiled: May 22, 2008Publication date: June 3, 2010Applicant: ASAHI ORGANIC CHEMICALS INDUSTRY CO., LTD.Inventors: Hidehiro Kourogi, Takanori Inoue
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Publication number: 20100035007Abstract: Disclosed are a piping member formed by using a propylene-based resin composition comprising 100 parts by mass of a propylene-ethylene random copolymer (A) having an ethylene content of 2 to 5%, a crystallization temperature of 86 to 105° C., a melt flow rate of 0.01 to 2.00 g/10 min and a molecular weight distribution of 3 to 8, and 1 to 15 parts by mass of a styrene-butadiene-base rubber (B) having a styrene content of 10 to 40% and a weight average molecular weight of 200,000 or more as essential components, a melt flow rate after kneading being from 0.01 to 2.00 g/10 min, characterized in that the propylene-based resin composition further comprising a hindered amine-based light stabilizer (C) having a weight average molecular weight of 2,000 or more in the amount of 0.1 to 1.Type: ApplicationFiled: February 1, 2008Publication date: February 11, 2010Applicant: ASAHI ORGANIC CHEMICALS INDUSTRY CO., LTDInventors: Takanori Inoue, Hidehiro Kourogi
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Publication number: 20090082513Abstract: A propylene-based resin composition for a pipe member, and a pipe member and multi-layered pipe member formed using that the same, which is comprised of (a) 65 to 90 parts by mass of a propylene resin homopolymer, (b) 10 to 25 parts by mass of talc having an average particle size of 1 to 10 ?m and (c) 1 to 10 parts by mass of at least one kind of a rubber component selected from an ethylene-propylene-based rubber, an ethylene-butene-based rubber, a styrene-butadiene-based rubber and a styrene-isoprene-based rubber as main components, wherein the MFR of a melt-kneaded mixture obtained by melt kneading these components (a) to (c) is from 0.01 to 2.00 g/10 minutes.Type: ApplicationFiled: June 30, 2006Publication date: March 26, 2009Applicant: ASAHI ORGANIC CHEMICALS INDUSTRY CO., LTD.Inventors: Hidehiro Kourogi, Sueyoshi Suetome