Patents by Inventor Motoi Konishi
Motoi Konishi 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: 11136416Abstract: A rubber composition containing a rubber and modified cellulose fibers, wherein one or more substituents selected from substituents represented by the following general formulas (1) and (2): —CH2—CH(OH)—R1 (1), —CH2—CH(OH)—CH2—(OA)n—O—R1 (2), wherein each R1 in the general formulas (1) and (2) is independently a linear or branched alkyl group having 3 or more carbon atoms and 30 or less carbon atoms; n in the general formula (2) is a number of 0 or more and 50 or less; and A is a linear or branched, divalent saturated hydrocarbon group having 1 or more carbon atoms and 6 or less carbon atoms are bonded to cellulose fibers via an ether bond, wherein the modified cellulose fibers have a cellulose I crystal structure. The rubber composition of the present invention can be suitably used for machine tool parts, household electric appliance parts, automobile parts, and the like.Type: GrantFiled: September 5, 2016Date of Patent: October 5, 2021Assignee: KAO CORPORATIONInventors: Yutaka Yoshida, Takuma Tsuboi, Shotaro Shibata, Yoshiaki Kumamoto, Motoi Konishi
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Patent number: 10906993Abstract: Modified cellulose fibers, wherein each of (A) one or more substituents selected from substituents represented by the following general formula (1) and substituents represented by the following general formula (2): —CH2—CH(OH)—R1 (1); —CH2—CH(OH)—CH2—(OA)n-O—R1 (2), wherein each R1 in the general formula (1) and the general formula (2) is independently a linear or branched alkyl group having 3 or more carbon atoms and 30 or less carbon atoms; n in the general formula (2) is a number of 0 or more and 50 or less; and A is a linear or branched, divalent saturated hydrocarbon group having 1 or more carbon atoms and 6 or less carbon atoms, and (B) a substituent represented by the following general formula (3): —CH2—CH(OH)—R2 (3), wherein R2 in the general formula (3) is an alkyl group having 1 or more carbon atoms and 2 or less carbon atoms, is independently bonded to cellulose fibers via an ether bond, wherein the modified cellulose fibers have a cellulose I crystal structure.Type: GrantFiled: September 5, 2016Date of Patent: February 2, 2021Assignee: KAO CORPORATIONInventors: Yutaka Yoshida, Shotaro Shibata, Yoshiaki Kumamoto, Takuma Tsuboi, Motoi Konishi
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Patent number: 10717852Abstract: Provided are an abrasion resistance improver for inorganic filler-containing rubber composition capable of giving high abrasion resistance to a rubber composition containing an inorganic filler, a rubber composition containing the abrasion resistance improver for rubber composition, a tire using the rubber composition, and a method for producing the abrasion resistance improver for rubber composition.Type: GrantFiled: April 22, 2016Date of Patent: July 21, 2020Assignee: KAO CORPORATIONInventors: Koichi Kawamoto, Motoi Konishi, Toshihiro Yano, Hayato Yoshikawa
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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: 10472492Abstract: As an additive composition capable of improving the processability, the low loss property and the breaking resistance of a silica compounded rubber composition, and a rubber composition excellent in processability, low loss property and breaking resistance, this disclosure provides an additive composition for silica compounded rubber composition comprising a glycerin fatty acid ester, wherein: the glycerin fatty acid ester is an ester of a glycerin and two or more fatty acids, a fatty acid component which is the most among the two or more fatty acids constituting the glycerin fatty acid ester being 10 to 90 mass % of all fatty acids; and a monoester component is contained in an amount of 50 to 100 mass % in the glycerin fatty acid ester, and provides a rubber composition comprising a diene based rubber, a silica, and the additive composition for silica compounded rubber composition.Type: GrantFiled: February 22, 2016Date of Patent: November 12, 2019Assignees: BRIDGESTONE CORPORATION, KAO CORPORATIONInventors: Makiko Yonemoto, Tetsuo Takano, Motoi Konishi
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Publication number: 20190169314Abstract: Modified cellulose fibers, wherein each of (A) one or more substituents selected from substituents represented by the following general formula (1) and substituents represented by the following general formula (2): —CH2—CH(OH)—R1 (1); —CH2—CH(OH)—CH2—(OA)n-O—R1 (2), wherein each R1 in the general formula (1) and the general formula (2) is independently a linear or branched alkyl group having 3 or more carbon atoms and 30 or less carbon atoms; n in the general formula (2) is a number of 0 or more and 50 or less; and A is a linear or branched, divalent saturated hydrocarbon group having 1 or more carbon atoms and 6 or less carbon atoms, and (B) a substituent represented by the following general formula (3): —CH2—CH(OH)—R2 (3), wherein R2 in the general formula (3) is an alkyl group having 1 or more carbon atoms and 2 or less carbon atoms, is independently bonded to cellulose fibers via an ether bond, wherein the modified cellulose fibers have a cellulose I crystal structure.Type: ApplicationFiled: September 5, 2016Publication date: June 6, 2019Applicant: KAO CORPORATIONInventors: Yutaka YOSHIDA, Shotaro SHIBATA, Yoshiaki KUMAMOTO, Takuma TSUBOI, Motoi KONISHI
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Patent number: 10093798Abstract: A polyester resin composition containing a polyester resin, and a fine cellulose fiber composite having an average fiber diameter of from 0.1 to 200 nm, wherein the fine cellulose fiber composite contains fine cellulose fibers and hydrocarbon groups being connected thereto via an amide bond. The polyester resin composition of the present invention can be worked into a molded article by thermoforming or injection-molding, and is suitably used for various industrial applications, such as daily sundries, household electric appliance parts, packaging materials for household electric appliance parts, and automobile parts. In addition, the fine cellulose fiber composite has high dispersibility against various resins and can exhibit thickening effects, so that it is suitable as various thickeners or the like.Type: GrantFiled: December 20, 2012Date of Patent: October 9, 2018Assignee: KAO CORPORATIONInventors: Masahiro Mori, Motoi Konishi, Akiyoshi Kimura, Masahiro Fujioka, Kenta Mukai, Yoshiaki Kumamoto
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Publication number: 20180244806Abstract: A rubber composition containing a rubber and modified cellulose fibers, wherein one or more substituents selected from substituents represented by the following general formulas (1) and (2): —CH2—CH(OH)—R1 (1), —CH2—CH(OH)—CH2—(OA)n—O—R1 (2), wherein each R1 in the general formulas (1) and (2) is independently a linear or branched alkyl group having 3 or more carbon atoms and 30 or less carbon atoms; n in the general formula (2) is a number of 0 or more and 50 or less; and A is a linear or branched, divalent saturated hydrocarbon group having 1 or more carbon atoms and 6 or less carbon atoms are bonded to cellulose fibers via an ether bond, wherein the modified cellulose fibers have a cellulose I crystal structure. The rubber composition of the present invention can be suitably used for machine tool parts, household electric appliance parts, automobile parts, and the like.Type: ApplicationFiled: September 5, 2016Publication date: August 30, 2018Applicant: KAO CORPORATIONInventors: Yutaka YOSHIDA, Takuma TSUBOI, Shotaro SHIBATA, Yoshiaki KUMAMOTO, Motoi KONISHI
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Publication number: 20180142088Abstract: Provided are an abrasion resistance improver for inorganic filler-containing rubber composition capable of giving high abrasion resistance to a rubber composition containing an inorganic filler, a rubber composition containing the abrasion resistance improver for rubber composition, a tire using the rubber composition, and a method for producing the abrasion resistance improver for rubber composition.Type: ApplicationFiled: April 22, 2016Publication date: May 24, 2018Applicant: KAO CORPORATIONInventors: Koichi KAWAMOTO, Motoi KONISHI, Toshihiro YANO, Hayato YOSHIKAWA
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Patent number: 9908368Abstract: Provided is a rubber composition containing a high stratified or tabular clay mineral content, wherein the dispersion of the stratified or tabular clay minerals is improved, thus reducing air permeability and improving flex resistance. Also provided is a tire using the rubber composition. An example of the rubber composition is a rubber composition containing a rubber component (A), a stratified or tabular clay mineral (B), and a glycerin fatty acid ester composition (C).Type: GrantFiled: May 19, 2014Date of Patent: March 6, 2018Assignees: BRIDGESTONE CORPORATION, KAO CORPORATIONInventors: Makiko Yonemoto, Tetsuo Takano, Motoi Konishi, Kojun Oshiro
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Publication number: 20180030241Abstract: As an additive composition capable of improving the processability, the low loss property and the breaking resistance of a silica compounded rubber composition, and a rubber composition excellent in processability, low loss property and breaking resistance, this disclosure provides an additive composition for silica compounded rubber composition comprising a glycerin fatty acid ester, wherein: the glycerin fatty acid ester is an ester of a glycerin and two or more fatty acids, a fatty acid component which is the most among the two or more fatty acids constituting the glycerin fatty acid ester being 10 to 90 mass % of all fatty acids; and a monoester component is contained in an amount of 50 to 100 mass % in the glycerin fatty acid ester, and provides a rubber composition comprising a diene based rubber, a silica, and the additive composition for silica compounded rubber composition.Type: ApplicationFiled: February 22, 2016Publication date: February 1, 2018Applicants: BRIDGESTONE CORPORATION, KAO CORPORATIONInventors: Makiko YONEMOTO, Tetsuo TAKANO, Motoi KONISHI
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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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Publication number: 20160101650Abstract: Provided is a rubber composition containing a high layered or sheet clay mineral content, wherein the dispersion of the stratified or tabular clay minerals is improved, thus reducing air permeability and improving flex resistance. Also provided is a tire using said rubber composition. An example of the aforementioned rubber composition is a rubber composition containing a rubber component (A), a layered or sheet clay mineral (B), and a glycerin fatty acid ester composition (C).Type: ApplicationFiled: May 19, 2014Publication date: April 14, 2016Applicants: KAO CORPORATION, BRIDGESTONE CORPORATIONInventors: Makiko YONEMOTO, Tetsuo TAKANO, Motoi KONISHI, Kojun OSHIRO
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Patent number: 9243128Abstract: A composite material of the invention is a mixture of cellulose microfibers having a carboxyl group content of 0.1 to 3 mmol/g and a moldable polymeric material selected from the group consisting of a biomass-derived polymer and a petroleum-derived polymer. The biomass-derived polymer is preferably polylactic acid or pulp. The cellulose microfibers are preferably present in an amount of 0.01% to 60% by mass. Another composite material of the invention is a mixture of cellulose composite microfibers and a moldable resin, the cellulose composite microfibers being obtained by adsorbing a surfactant onto cellulose microfibers having a carboxyl group content of 0.1 to 3 mmol/g.Type: GrantFiled: December 10, 2010Date of Patent: January 26, 2016Assignee: KAO CORPORATIONInventors: Yoshiaki Kumamoto, Kenta Mukai, Hironobu Kawajiri, Akira Takenaka, Taiki Yoshino, Akira Isogai, Motoi Konishi, Tetsuji Kito
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Publication number: 20150011685Abstract: A polyester resin composition containing a polyester resin, and a fine cellulose fiber composite having an average fiber diameter of from 0.1 to 200 nm, wherein the fine cellulose fiber composite contains fine cellulose fibers and hydrocarbon groups being connected thereto via an amide bond. The polyester resin composition of the present invention can be worked into a molded article by thermoforming or injection-molding, and is suitably used for various industrial applications, such as daily sundries, household electric appliance parts, packaging materials for household electric appliance parts, and automobile parts. In addition, the fine cellulose fiber composite has high dispersibility against various resins and can exhibit thickening effects, so that it is suitable as various thickeners or the like.Type: ApplicationFiled: December 20, 2012Publication date: January 8, 2015Applicant: KAO CORPORATIONInventors: Masahiro Mori, Motoi Konishi, Akiyoshi Kimura, Masahiro Fujioka, Kenta Mukai, Yoshiaki Kumamoto
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Publication number: 20120283363Abstract: A composite material of the invention is a mixture of cellulose microfibers having a carboxyl group content of 0.1 to 3 mmol/g and a moldable polymeric material selected from the group consisting of a biomass-derived polymer and a petroleum-derived polymer. The biomass-derived polymer is preferably polylactic acid or pulp. The cellulose microfibers are preferably present in an amount of 0.01% to 60% by mass. Another composite material of the invention is a mixture of cellulose composite microfibers and a moldable resin, the cellulose composite microfibers being obtained by adsorbing a surfactant onto cellulose microfibers having a carboxyl group content of 0.1 to 3 mmol/g.Type: ApplicationFiled: December 10, 2010Publication date: November 8, 2012Applicant: KAO CORPORATIONInventors: Yoshiaki Kumamoto, Kenta Mukai, Hironobu Kawajiri, Akira Takenaka, Taiki Yoshino, Akira Isogai, Motoi Konishi, Tetsuji Kito