Patents by Inventor Masaaki Tsuchihashi
Masaaki Tsuchihashi 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: 10550512Abstract: An oil for a carbon fiber precursor acrylic fiber including: a hydroxybenzoate ester (A) indicated by formula (1a); an amino-modified silicone (H) indicated by formula (3e); and an organic compound (X) which is compatible with the hydroxybenzoate ester (A), in which a residual mass rate R1 at 300° C. in thermal mass analysis in an air atmosphere is 70-100 mass % inclusive, and which is a liquid at 100° C., and a carbon fiber precursor acrylic fiber bundle to which the oil for a carbon fiber precursor acrylic fiber is adhered.Type: GrantFiled: September 11, 2015Date of Patent: February 4, 2020Assignee: Mitsubishi Chemical CorporationInventors: Hiromi Aso, Mitsuhiro Hamada, Satoshi Nagatsuka, Tetsuo Takano, Motoi Konishi, Masaaki Tsuchihashi
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Patent number: 10294347Abstract: The present invention relates to [1] a plasticizer for a halogen-based resin including a condensate obtainable by an esterification reaction between a furan dicarboxylic acid compound and an aliphatic alcohol having 4 to 22 carbon atoms, in which the aliphatic alcohol includes a saturated aliphatic alcohol and an unsaturated aliphatic alcohol, and a content of the unsaturated aliphatic alcohol in the aliphatic alcohol is not more than 25% by mass; and [2] a halogen-based resin composition including the aforementioned plasticizer. The plasticizer has a plasticization performance for a halogen-based resin at a level identical to or higher than that of a phthalate-based plasticizer, and exhibits excellent effects of improving compatibility, heat resistance and cold resistance.Type: GrantFiled: November 11, 2015Date of Patent: May 21, 2019Assignee: KAO CORPORATIONInventors: Kojun Oshiro, Masaaki Tsuchihashi
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Patent number: 10072359Abstract: The present invention relates to an oil agent for carbon-fiber precursor acrylic fiber, including at least one type of compound selected from groups of a hydroxybenzoate (Compound A), a cyclohexanedicarboxylic acid (Compound B and C), a cyclohexanedimethanol and/or a cyclohexanediol and a fatty acid (Compound D and E) and an isophoronediisocyanate-aliphatic alcohol adduct (Compound F), an oil composition for carbon-fiber precursor acrylic fiber, a processed-oil solution for carbon-fiber precursor acrylic fiber, and a method for producing a carbon-fiber precursor acrylic fiber bundle, and a carbon-fiber bundle using the carbon-fiber precursor acrylic fiber bundle.Type: GrantFiled: June 6, 2012Date of Patent: September 11, 2018Assignee: Mitsubishi Chemical CorporationInventors: Hiromi Aso, Masaaki Tsuchihashi, Tetsuo Takano
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Patent number: 9868847Abstract: In order to provide a rubber composition which is improved in dispersibility of silica in rubber compositions and can be improved as well in heat build-up and processability without causing increasing a viscosity of unvulcanized rubber and retarding a vulcanization rate, and a tire prepared by using the same, the rubber composition is endowed with a constitution in which at least one rubber component selected from natural rubber and/or diene base synthetic rubbers is compounded with a white filler and at least one of monoalkanolamides represented by the following Formula (I): [in Formula (I) described above, R1 represents an alkyl group or an alkenyl group having 1 to 13 carbon atoms, and the alkyl group and alkenyl group may be any of a linear type, a branched type and a cyclic type; and R2 represents a hydroxyalkyl group or a hydroxyalkyl group having an oxyalkylene unit].Type: GrantFiled: November 24, 2011Date of Patent: January 16, 2018Assignees: BRIDGESTONE CORPORATION, KAO CORPORATIONInventors: Reiko Yagi, Kumi Fujiki, Tetsuo Takano, Masaaki Tsuchihashi
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Publication number: 20170349727Abstract: The present invention relates to [1] a plasticizer for a halogen-based resin including a condensate obtainable by an esterification reaction between a furan dicarboxylic acid compound and an aliphatic alcohol having 4 to 22 carbon atoms, in which the aliphatic alcohol includes a saturated aliphatic alcohol and an unsaturated aliphatic alcohol, and a content of the unsaturated aliphatic alcohol in the aliphatic alcohol is not more than 25% by mass; and [2] a halogen-based resin composition including the aforementioned plasticizer. The plasticizer has a plasticization performance for a halogen-based resin at a level identical to or higher than that of a phthalate-based plasticizer, and exhibits excellent effects of improving compatibility, heat resistance and cold resistance.Type: ApplicationFiled: November 11, 2015Publication date: December 7, 2017Applicant: KAO CORPORATIONInventors: Kojun OSHIRO, Masaaki TSUCHIHASHI
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Publication number: 20170284016Abstract: An oil for a carbon fiber precursor acrylic fiber including: a hydroxybenzoate ester (A) indicated by formula (1a); an amino-modified silicone (H) indicated by formula (3e); and an organic compound (X) which is compatible with the hydroxybenzoate ester (A), in which a residual mass rate R1 at 300° C. in thermal mass analysis in an air atmosphere is 70-100 mass % inclusive, and which is a liquid at 100° C., and a carbon fiber precursor acrylic fiber bundle to which the oil for a carbon fiber precursor acrylic fiber is adhered.Type: ApplicationFiled: September 11, 2015Publication date: October 5, 2017Applicant: Mitsubishi Chemical CorporationInventors: Hiromi ASO, Mitsuhiro HAMADA, Satoshi NAGATSUKA, Tetsuo TAKANO, Motoi KONISHI, Masaaki TSUCHIHASHI
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Patent number: 9765202Abstract: Rubber composition which improves dispersibility of silica and enhances processability by reducing viscosity of an unvulcanized rubber and which suppresses rubber scorching, inhibits shrinkage without delaying a vulcanization rate and improves a heat resistance, and a tire prepared by using the above rubber composition. Rubber composition prepared by blending at least one rubber component selected from a natural rubber and/or a diene base synthetic rubber with silica and a glycerin fatty acid ester composition, wherein a blend amount of the glycerin fatty acid ester composition is 0.5 to 15 parts by mass based on 100 parts by mass of the rubber component; the fatty acid has 8 to 28 carbon atoms; the glycerin fatty acid ester composition contains glycerin fatty acid monoester and glycerin fatty acid diester; and a content of the glycerin fatty acid monoester in the glycerin fatty acid ester composition is 85% by mass or less.Type: GrantFiled: December 18, 2013Date of Patent: September 19, 2017Assignees: BRIDGESTONE CORPORATION, KAO CORPORATIONInventors: Makiko Yonemoto, Tetsuo Takano, Masaaki Tsuchihashi
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Patent number: 9200141Abstract: Provided is a rubber composition capable of preventing discoloration due to an amine-based antiaging agent and wax without deteriorating the ozone resistance not only in cases where the rubber composition is used in side wall portions of tires but also in cases where the rubber composition is used in tread portions of tires. The rubber composition comprises at least one rubber component selected from a dienic synthetic rubber and a natural rubber and, as incorporated therein, at least one nonionic surfactant selected from specific compounds.Type: GrantFiled: August 11, 2011Date of Patent: December 1, 2015Assignees: BRIDGESTONE CORPORATION, KAO CORPORATIONInventors: Seichi Tahara, Kumi Fujiki, Masaaki Tsuchihashi, Tetsuo Takano
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Publication number: 20150315358Abstract: Provide are a rubber composition which improves a dispersibility of silica and enhances a processability by reducing a viscosity of an unvulcanized rubber and which suppresses rubber scorching, inhibits shrinkage without delaying a vulcanization rate and improves a heat resistance, and a tire prepared by using the above rubber composition. The rubber composition described above includes a rubber composition prepared by blending at least one rubber component selected from a natural rubber and/or a diene base synthetic rubber with silica and a glycerin fatty acid ester composition, wherein a blend amount of the glycerin fatty acid ester composition is 0.5 to 15 parts by mass based on 100 parts by mass of the rubber component; the fatty acid has 8 to 28 carbon atoms; the glycerin fatty acid ester composition contains glycerin fatty acid monoester and glycerin fatty acid diester; and a content of the glycerin fatty acid monoester in the glycerin fatty acid ester composition is 85% by mass or less.Type: ApplicationFiled: December 18, 2013Publication date: November 5, 2015Inventors: Makiko YONEMOTO, Tetsuo TAKANO, Masaaki TSUCHIHASHI
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Patent number: 9034961Abstract: In order to provide a rubber composition in which dispersibility of silica is improved and in which a viscosity of an unvulcanized rubber is lowered and a heat build-up improving effect of a vulcanized rubber is well exerted, and a tire prepared by using the rubber composition, the rubber composition is endowed with a constitution in which 100 parts by mass of at least one rubber component selected from natural rubber and/or diene base synthetic rubbers are compounded with 55 to 200 parts by mass of silica and 0.5 to 15 parts by mass of at least one of alkanolamines represented by the following Formula (I): [in Formula (I), R1 represents an alkyl group or an alkenyl group having 1 to 24 carbon atoms, and the above alkyl group and alkenyl group may be any of a linear group, a branched group and a cyclic group; m and n represent an average addition molar number, and m and n are numerical values which represent m+n=1 to 20].Type: GrantFiled: October 18, 2012Date of Patent: May 19, 2015Assignees: BRIDGESTONE CORPORATION, KAO CORPORATIONInventors: Reiko Yagi, Kumi Fujiki, Tetsuo Takano, Masaaki Tsuchihashi
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Publication number: 20140323627Abstract: In order to provide a rubber composition in which dispersibility of silica is improved and in which a viscosity of an unvulcanized rubber is lowered and a heat build-up improving effect of a vulcanized rubber is well exerted, and a tire prepared by using the rubber composition, the rubber composition is endowed with a constitution in which 100 parts by mass of at least one rubber component selected from natural rubber and/or diene base synthetic rubbers are compounded with 55 to 200 parts by mass of silica and 0.5 to 15 parts by mass of at least one of alkanolamines represented by the following Formula (I): [in Formula (I), R1 represents an alkyl group or an alkenyl group having 1 to 24 carbon atoms, and the above alkyl group and alkenyl group may be any of a linear group, a branched group and a cyclic group; m and n represent an average addition molar number, and m and n are numerical values which represent m+n=1 to 20].Type: ApplicationFiled: October 18, 2012Publication date: October 30, 2014Applicants: KAO CORPORATION, BRIDGESTONE CORPORATIONInventors: Reiko Yagi, Kumi Fujiki, Tetsuo Takano, Masaaki Tsuchihashi
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Publication number: 20140134094Abstract: The present invention relates to an oil agent for carbon-fiber precursor acrylic fiber, including at least one type of compound selected from groups of a hydroxybenzoate (Compound A), a cyclohexanedicarboxylic acid (Compound B and C), a cyclohexanedimethanol and/or a cyclohexanediol and a fatty acid (Compound D and E) and an isophoronediisocyanate-aliphatic alcohol adduct (Compound F), an oil composition for carbon-fiber precursor acrylic fiber, a processed-oil solution for carbon-fiber precursor acrylic fiber, and a method for producing a carbon-fiber precursor acrylic fiber bundle, and a carbon-fiber bundle using the carbon-fiber precursor acrylic fiber bundle.Type: ApplicationFiled: June 6, 2012Publication date: May 15, 2014Applicant: Mitsubishi Rayon Co., Ltd.Inventors: Hiromi Aso, Masaaki Tsuchihashi, Tetsuo Takano
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Publication number: 20130317151Abstract: In order to provide a rubber composition which is improved in dispersibility of silica in rubber compositions and can be improved as well in heat build-up and processability without causing increasing a viscosity of unvulcanized rubber and retarding a vulcanization rate, and a tire prepared by using the same, the rubber composition is endowed with a constitution in which at least one rubber component selected from natural rubber and/or diene base synthetic rubbers is compounded with a white filler and at least one of monoalkanolamides represented by the following Formula (I): [in Formula (I) described above, R1 represents an alkyl group or an alkenyl group having 1 to 13 carbon atoms, and the alkyl group and alkenyl group may be any of a linear type, a branched type and a cyclic type; and R2 represents a hydroxyalkyl group or a hydroxyalkyl group having an oxyalkylene unit].Type: ApplicationFiled: November 24, 2011Publication date: November 28, 2013Applicants: KAO CORPORATION, BRIDGESTONE CORPORATIONInventors: Reiko Yagi, Kumi Fujiki, Tetsuo Takano, Masaaki Tsuchihashi
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Publication number: 20130184387Abstract: Provided is a rubber composition capable of preventing discoloration due to an amine-based antiaging agent and wax without deteriorating the ozone resistance not only in cases where the rubber composition is used in side wall portions of tires but also in cases where the rubber composition is used in tread portions of tires. The rubber composition comprises at least one rubber component selected from a dienic synthetic rubber and a natural rubber and, as incorporated therein, at least one nonionic surfactant selected from specific compounds.Type: ApplicationFiled: August 11, 2011Publication date: July 18, 2013Applicants: KAO CORPORATION, BRIDGESTONE CORPORATIONInventors: Seichi Tahara, Kumi Fujiki, Masaaki Tsuchihashi, Tetsuo Takano
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Patent number: 8110625Abstract: Provided is a rubber composition comprising an inorganic filler, a compound having at least one group A reacting with a rubber and two or more groups B adsorbing on the inorganic filler described above in the same molecule, a compound having the group A reacting with a rubber and an amino group in the same molecule or acrylate or methacrylate having a specific structure and further comprising, if necessary, a silane coupling agent. This makes it possible to provide a rubber composition which is excellent in the dispersibility of an inorganic filler, so that it does not elevate a viscosity of a non-vulcanized rubber and does not damage the processability and which does not bring about roughening on the surface of a rubber and is improved in a storage modulus.Type: GrantFiled: August 4, 2010Date of Patent: February 7, 2012Assignees: Bridgestone Corporation, Kao CorporationInventors: Daisuke Nohara, Masaaki Tsuchihashi, Isao Nishi, Tetsuo Takano
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Publication number: 20100298488Abstract: Provided is a rubber composition comprising an inorganic filler, a compound having at least one group A reacting with a rubber and two or more groups B adsorbing on the inorganic filler described above in the same molecule, a compound having the group A reacting with a rubber and an amino group in the same molecule or acrylate or methacrylate having a specific structure and further comprising, if necessary, a silane coupling agent. This makes it possible to provide a rubber composition which is excellent in the dispersibility of an inorganic filler, so that it does not elevate a viscosity of a non-vulcanized rubber and does not damage the processability and which does not bring about roughening on the surface of a rubber and is improved in a storage modulus.Type: ApplicationFiled: August 4, 2010Publication date: November 25, 2010Applicants: BRIDGESTONE CORPORATION, KAO CORPORATIONInventors: Daisuke NOHARA, Masaaki Tsuchihashi, Isao Nishi, Tetsuo Takano
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Patent number: 7799856Abstract: Provided is a rubber composition comprising an inorganic filler, a compound having at least one group A reacting with a rubber and two or more groups B adsorbing on the inorganic filler described above in the same molecule, a compound having the group A reacting with a rubber and an amino group in the same molecule or acrylate or methacrylate having a specific structure and further comprising, if necessary, a silane coupling agent. This makes it possible to provide a rubber composition which is excellent in the dispersibility of an inorganic filler, so that it does not elevate a viscosity of a non-vulcanized rubber and does not damage the processability and which does not bring about roughening on the surface of a rubber and is improved in a storage modulus.Type: GrantFiled: October 4, 2002Date of Patent: September 21, 2010Assignees: Bridgestone Corporation, KAO CorporationInventors: Daisuke Nohara, Masaaki Tsuchihashi, Isao Nishi, Tetsuo Takano
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Publication number: 20060183832Abstract: Provided are a plasticizer for amorphous polyester resin which can give softness without hindering the transparency of the amorphous polyester resin, and an amorphous polyester resin composition superior in softness, transparency and heat resistance. A plasticizer for amorphous polyester resin, which is made of an ester of an (Aa) component selected from hydroxy aromatic carboxylic acid (AI), hydroxy condensed polycyclic aromatic carboxylic acid, hydroxy alicyclic carboxylic acid and others, and an (Ab) component selected from aliphatic alcohol, alicyclic alcohol, aromatic alcohol, phenol, alkylphenol, or alkylene oxide added products thereof.Type: ApplicationFiled: June 13, 2002Publication date: August 17, 2006Inventors: Masaaki Tsuchihashi, Akira Takenaka
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Publication number: 20040249032Abstract: Provided is a rubber composition comprising an inorganic filler, a compound having at least one group A reacting with a rubber and two or more groups B adsorbing on the inorganic filler described above in the same molecule, a compound having the group A reacting with a rubber and an amino group in the same molecule or acrylate or methacrylate having a specific structure and further comprising, if necessary, a silane coupling agent. This makes it possible to provide a rubber composition which is excellent in the dispersibility of an inorganic filler, so that it does not elevate a viscosity of a non-vulcanized rubber and does not damage the processability and which does not bring about roughening on the surface of a rubber and is improved in a storage modulus.Type: ApplicationFiled: March 31, 2004Publication date: December 9, 2004Inventors: Daisuke Nohara, Masaaki Tsuchihashi, Isao Nishi, Tetsuo Takano
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Patent number: 6806303Abstract: An additive for a rubber composition consists essentially of an ester of (i) an aliphatic polyvalent carboxylic acid with (iii) a (poly)oxyalkylene derivative, and having at least one carboxyl group in its molecule, or an ester of (ii) an aromatic polyvalent carboxylic acid with (iii) a (poly)oxyalkylene derivative, and having at least one carboxyl group bonded to an aromatic ring in its molecule. And also, it relates to an additive composition, a rubber composition and a pneumatic tire using such an additive for a rubber composition.Type: GrantFiled: August 8, 2001Date of Patent: October 19, 2004Assignees: Bridgestone Corporation, Kao CorporationInventors: Daisuke Nohara, Jingo Shirasaka, Isao Nishi, Masaaki Tsuchihashi, Tetsuo Takano