Patents by Inventor Masahiro Miyahara
Masahiro Miyahara 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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Publication number: 20240060232Abstract: A dispersion demonstrating product stability and water repellency as a result of the concentration of an unreacted chloride monomer (a2) being 10.0 ppm or less, and containing: a non-fluorine copolymer (A) which includes a repeating unit derived from a hydrophobic monomer (a1) having a C2-40 hydrocarbon group, and a repeating unit derived from at least one chloride monomer (a2) selected from vinyl chloride and vinylidene chloride; and a liquid medium (B) which includes a water-soluble organic solvent (b1) having at least two groups selected from hydroxy groups and ether groups. Also disclosed is a method for producing the dispersion and a method for producing a treated product which includes applying the dispersion to a substrate.Type: ApplicationFiled: October 26, 2023Publication date: February 22, 2024Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Rumi KAWABE, Ikuo Yamamoto, Masahiro Miyahara, Keisuke Nakamura
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Patent number: 11746268Abstract: A water- and oil-repellent agent that is an aqueous dispersion containing (A) a fluorine-free polymer having repeating units derived from a fluorine-free (meth)acrylic acid ester monomer, (B) a wax, (C) an aqueous medium, and (D) an emulsifier. The fluorine-free (meth)acrylic acid ester monomer is a compound represented by the formula CH2?CA11-C(?O)—O-A12 where A11 is a hydrogen atom or a methyl group and A12 is a linear or branched C18-30 hydrocarbon group. The emulsifier includes a sorbitan ester and another emulsifier, and the emulsifier has a hydrophilic-lipophilic balance (HLB) of 7.5 to 13.5. Also disclosed is a method of producing the water- and oil-repellent agent and a method of producing a treated substrate by applying the water- and oil-repellent agent to a substrate.Type: GrantFiled: December 20, 2017Date of Patent: September 5, 2023Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Ryousuke Hara, Rumi Kawabe, Masahiro Miyahara, Ikuo Yamamoto
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Publication number: 20230037578Abstract: A water repellent composition includes a polyurethane resin compound, a non-fluorine water repellent compound, a surfactant, and a liquid medium.Type: ApplicationFiled: December 21, 2020Publication date: February 9, 2023Inventors: Chikako KOUDA, Kazuyuki FUKUDA, Keisuke NAKAMURA, Daisuke NOGUCHI, Masahiro MIYAHARA, Rumi KAWABE, Shinichi MINAMI
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Publication number: 20220411663Abstract: A dispersion containing a fluorine-containing polymer and a liquid medium. The fluorine-containing polymer includes a repeating unit derived from a fluorine-containing monomer (a) having a Q value of 2.0 or more and comprising a fluoroalkyl group, and a repeating unit derived from a chloride monomer (b) that is at least one selected from vinyl chloride and vinylidene chloride. Further, the dispersion has a concentration of unreacted chloride monomer (b) of 2.0 ppm or less.Type: ApplicationFiled: September 2, 2022Publication date: December 29, 2022Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Ikuo YAMAMOTO, Masahiro MIYAHARA, Shinichi MINAMI
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Patent number: 11072723Abstract: Provided is a surface treatment agent which does not use fluorine-containing monomers, particularly fluoroalkyl group-containing monomers. The surface treatment agent is a water-based emulsion which includes: a copolymer (1) which includes a first polymer formed from first monomers, and a second polymer formed from second monomers, wherein the second polymer is polymerized in the presence of the first polymer, the first monomers include a long-chain acrylate ester monomer (a) represented by the formula CH2?CA11—C(?O)—O-A12 (in the formula, A11 represents hydrogen, a monovalent organic group, or a halogen, and A12 represents a C18-30 straight-chain or branched hydrocarbon group), the first monomers do not include a halogenated olefin monomer (b), and the second monomers include the halogenated olefin monomer (b); a surfactant (2) including a nonionic surfactant; and a liquid medium (3) including water.Type: GrantFiled: March 15, 2017Date of Patent: July 27, 2021Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Rumi Kawabe, Masaki Fukumori, Ryosuke Hara, Masahiro Miyahara, Shinichi Minami, Ikuo Yamamoto
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Patent number: 11034785Abstract: Provided is a surface treatment agent which does not use fluorine-containing monomers, particularly fluoroalkyl group-containing monomers. Additionally, provided is a copolymer which includes a first polymer formed from first monomers, and a second polymer formed from second monomers. The copolymer does not include fluorine. The second polymer is polymerized in the presence of the first polymer. The first monomers include a long-chain acrylate ester monomer (a) represented by the formula CH2=CA11-C(?O)—O-A12 (in the formula, A11 represents hydrogen, a monovalent organic group, or a halogen, and A12 represents a C18-30 straight-chain or branched hydrocarbon group). The first monomers and the second monomers both include a halogenated olefin monomer (b).Type: GrantFiled: March 15, 2017Date of Patent: June 15, 2021Assignees: DAIKIN INDUSTRIES, LTD., NISSIN CHEMICAL INDUSTRY CO., LTDInventors: Rumi Kawabe, Masaki Fukumori, Ryosuke Hara, Masahiro Miyahara, Shinichi Minami, Ikuo Yamamoto, Yasuhiro Mitta, Akifumi Mitake
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Publication number: 20210130668Abstract: A water- and oil-repellent agent that is an aqueous dispersion containing (A) a fluorine-free polymer having repeating units derived from a fluorine-free (meth)acrylic acid ester monomer, (B) a wax, (C) an aqueous medium, and (D) an emulsifier. The fluorine-free (meth)acrylic acid ester monomer is a compound represented by the formula CH2=CA11-C(?O)—O-A12 where A11 is a hydrogen atom or a methyl group and A12 is a linear or branched C18-30 hydrocarbon group. The emulsifier includes a sorbitan ester and another emulsifier, and the emulsifier has a hydrophilic-lipophilic balance (HLB) of 7.5 to 13.5. Also disclosed is a method of producing the water- and oil-repellent agent and a method of producing a treated substrate by applying the water- and oil-repellent agent to a substrate.Type: ApplicationFiled: December 20, 2017Publication date: May 6, 2021Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Ryousuke HARA, Rumi KAWABE, Masahiro MIYAHARA, Ikuo YAMAMOTO
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Publication number: 20210032493Abstract: A water- and oil-repellent agent including: (a) a fluorine-containing monomer represented by the general formula CH2?C(—X)—C(?O)—Y—Z—Rf [where X is a hydrogen atom, a monovalent organic group, or a halogen atom, Y is —O— or13 NH—, Z is a direct bond or a divalent organic group, and Rf is a fluoroalkyl group having 1-20 carbon atoms]; and (b) a fluorine-containing copolymer containing a repeating unit derived from nonyl(meth)acrylate. Also disclosed is a textile product including a fibrous substrate treated with the water- and oil-repellent agent.Type: ApplicationFiled: October 21, 2020Publication date: February 4, 2021Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Masato IOKI, Masahiro MIYAHARA, Tetsuya UEHARA, Yuuki YAMAMOTO, Masaki FUKUMORI, Masahiro HIMURO
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Publication number: 20200299441Abstract: Provided is a surface treatment agent which does not use fluorine-containing monomers, particularly fluoroalkyl group-containing monomers. Additionally, provided is a copolymer which includes a first polymer formed from first monomers, and a second polymer formed from second monomers. The copolymer does not include fluorine. The second polymer is polymerized in the presence of the first polymer. The first monomers include a long-chain acrylate ester monomer (a) represented by the formula CH2=CA11-C(?O)—O-A12 (in the formula, A11 represents hydrogen, a monovalent organic group, or a halogen, and A12 represents a C18-30 straight-chain or branched hydrocarbon group). The first monomers and the second monomers both include a halogenated olefin monomer (b).Type: ApplicationFiled: March 15, 2017Publication date: September 24, 2020Applicants: DAIKIN INDUSTRIES, LTD., NISSIN CHEMICAL INDUSTRY CO., LTDInventors: Rumi KAWABE, Masaki FUKUMORI, Ryosuke HARA, Masahiro MIYAHARA, Shinichi MINAMI, Ikuo YAMAMOTO, Yasuhiro MITTA, Akifumi MITAKE
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Patent number: 10513821Abstract: A surface treatment agent which is an aqueous emulsion containing: (a) a fluorine-free polymer including: (i) repeating units derived from a long-chain (meth)acrylate ester monomer represented by the formula: CH2?CA11-C(?O)—O-A12, wherein A11 is a hydrogen atom or a methyl group, and A12 is a linear or branched aliphatic hydrocarbon group having 10-30 carbon atoms; (b) a surface active agent including both of a nonionic surface active agent and an anionic surface active agent, wherein the amount of the anionic surface active agent is at least 22% by weight, based on the total of the nonionic surface active agent and the anionic surface active agent; and (c) a liquid medium comprising water.Type: GrantFiled: May 25, 2017Date of Patent: December 24, 2019Assignees: DAIKIN INDUSTRIES, LTD., DAIKIN AMERICA, INC.Inventors: James Kasey Bridges, Ronald O. Skidds, Takashi Enomoto, Masahiro Miyahara
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Publication number: 20190077984Abstract: Provided is a surface treatment agent which does not use fluorine-containing monomers, particularly fluoroalkyl group-containing monomers. The surface treatment agent is a water-based emulsion which includes: a copolymer (1) which includes a first polymer formed from first monomers, and a second polymer formed from second monomers, wherein the second polymer is polymerized in the presence of the first polymer, the first monomers include a long-chain acrylate ester monomer (a) represented by the formula CH2?CA11-C(?O)—O-A12 (in the formula, A11 represents hydrogen, a monovalent organic group, or a halogen, and A12 represents a C18-30 straight-chain or branched hydrocarbon group), the first monomers do not include a halogenated olefin monomer (b), and the second monomers include the halogenated olefin monomer (b); a surfactant (2) including a nonionic surfactant; and a liquid medium (3) including water.Type: ApplicationFiled: March 15, 2017Publication date: March 14, 2019Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Rumi KAWABE, Masaki FUKUMORI, Ryosuke HARA, Masahiro MIYAHARA, Shinichi MINAMI, Ikuo YAMAMOTO
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Patent number: 9988759Abstract: A surface treatment agent, which can impart the excellent water- and oil-repellency, soil resistance and feeling to the substrate, is obtained from a fluorine-containing polymer which contains: (A) a monomer which comprises; (A1) a fluorine-containing monomer of the formula: CH2?C(—X)—C(?O)—Y—Z—Rf wherein X is a hydrogen atom, a monovalent organic group, or a halogen atom, Y is —O— or —NH—, Z is a direct bond or a divalent organic group, and Rf is a fluoroalkyl group having 1 to 20 carbon atoms, and (A2) a (meth)acrylate monomer having a cyclic hydrocarbon group, and (B) at least one functional organopolysiloxane selected from the group consisting of a mercapto-functional organopolysiloxane, a vinyl-functional organopolysiloxane, a (meth)acrylamide-functional organopolysiloxane and a (meth)acrylate-functional group.Type: GrantFiled: September 11, 2009Date of Patent: June 5, 2018Assignees: Dow Silicones Corporation, Daikin Industries, Ltd.Inventors: Shinichi Minami, Takashi Enomoto, Tetsuya Masutani, Masahiro Miyahara, Mitsuhiro Usugaya, Rumi Takeuchi, Ikuo Yamamoto, Peter Cheshire Hupfield
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Patent number: 9932504Abstract: Provided is an aqueous emulsion composition which has excellent chemical stability (stability with respect to impurities) and excellent mechanical stability. Disclosed is an aqueous emulsion composition which contains: (A) a polymer that contains a fluoroalkyl group; and (B) a surfactant that contains (B1) an amidoamine surfactant having an amide group and an amino group, and (B2) a nonionic surfactant. It is preferable that the surfactant does not contain a monool having an unsaturated triple bond or an alkylene oxide addition product of a polyol.Type: GrantFiled: March 19, 2013Date of Patent: April 3, 2018Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Rumi Kawabe, Ryousuke Hara, Masahiro Miyahara, Masaki Fukumori, Kouji Kubota, Kensuke Mohara, Takashi Enomoto
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Publication number: 20170342275Abstract: A surface treatment agent which is an aqueous emulsion containing: (a) a fluorine-free polymer including: (i) repeating units derived from a long-chain (meth)acrylate ester monomer represented by the formula: CH2?CA11-C(?O)—O-A12, wherein A11 is a hydrogen atom or a methyl group, and A12 is a linear or branched aliphatic hydrocarbon group having 10-30 carbon atoms; (b) a surface active agent including both of a nonionic surface active agent and an anionic surface active agent, wherein the amount of the anionic surface active agent is at least 22% by weight, based on the total of the nonionic surface active agent and the anionic surface active agent; and (c) a liquid medium comprising water.Type: ApplicationFiled: May 25, 2017Publication date: November 30, 2017Applicants: DAIKIN INDUSTRIES, LTD., DAIKIN AMERICA INC.Inventors: J. Kasey BRIDGES, Ronald O. SKIDDS, Takashi ENOMOTO, Masahiro MIYAHARA
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Patent number: 9688797Abstract: A fluorine-containing polymer having (a) a repeating unit derived from a fluorine-containing monomer indicated by the formula CH2?C(—X)—C(?O)—Y—Z—Rf, (b) a repeating unit derived from a cyclic-hydrocarbon-group-containing acrylate ester monomer indicated by the formula CH2?CQ11—C(?O)—O-Q12, and (c) a repeating unit derived from an aliphatic-hydrocarbon-group-containing acrylate ester monomer indicated by the formula CH2?CQ21—C(?O)—O-Q22. The fluorine-containing polymer is produced by polymerizing in the presence of one or both of (d) a silicon-containing monomer and a silicon-containing chain transfer agent.Type: GrantFiled: June 18, 2014Date of Patent: June 27, 2017Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Tetsuya Uehara, Masahiro Miyahara, Masaki Fukumori, Kanako Fukumoto, Ikuo Yamamoto
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Publication number: 20160137765Abstract: A fluorine-containing polymer having (a) a repeating unit derived from a fluorine-containing monomer indicated by the formula CH2?C(—X)—C(?O)—Y—Z—Rf, (b) a repeating unit derived from a cyclic-hydrocarbon-group-containing acrylate ester monomer indicated by the formula CH2?CQ11-C(?O)—O-Q12, and (c) a repeating unit derived from an aliphatic-hydrocarbon-group-containing acrylate ester monomer indicated by the formula CH2?CQ21-C(?O)—O-Q22. The fluorine-containing polymer is produced by polymerizing in the presence of one or both of (d) a silicon-containing monomer and a silicon-containing chain transfer agent.Type: ApplicationFiled: June 18, 2014Publication date: May 19, 2016Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Tetsuya UEHARA, Masahiro MIYAHARA, Masaki FUKUMORI, Kanako FUKUMOTO, Ikuo YAMAMOTO
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Publication number: 20150080510Abstract: Provided is an aqueous emulsion composition which has excellent chemical stability (stability with respect to impurities) and excellent mechanical stability. Disclosed is an aqueous emulsion composition which contains: (A) a polymer that contains a fluoroalkyl group; and (B) a surfactant that contains (B1) an amidoamine surfactant having an amide group and an amino group, and (B2) a nonionic surfactant. It is preferable that the surfactant does not contain a monool having an unsaturated triple bond or an alkylene oxide addition product of a polyol.Type: ApplicationFiled: March 19, 2013Publication date: March 19, 2015Inventors: Rumi Kawabe, Ryousuke Hara, Masahiro Miyahara, Masaki Fukumori, Kouji Kubota, Kensuke Mohara, Takashi Enomoto
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Patent number: 8552106Abstract: A fluorosilicone reaction product of a mercapto or vinyl functional organopolysiloxane and a fluorine-containing monomer, and methods of preparing the fluorosilicone are disclosed. The fluorosilicone products are suitable for application to substrates such as textiles, particularly fabrics, to impart oil repellent properties to the textile. The fluorosilicone reaction product is prepared from (A) a fluorine-containing monomer of the formula CH2?C(X)COOYRf, and (B) a mercapto or vinyl functional organopolysiloxane.Type: GrantFiled: March 12, 2009Date of Patent: October 8, 2013Assignees: Daikin Industries, Ltd., Dow Coming CorporationInventors: Ikuo Yamamoto, Tetsuya Masutani, Masahiro Miyahara, Takashi Enomoto, Shinichi Minami, Peter Cheshire Hupfield, Samantha Reed, Avril E. Surgenor
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Publication number: 20130165006Abstract: The water-and-oil repellant composition of the invention including an aqueous dispersion of a pyrazole blocked hydrophobic polyisocyanate containing a pyrazole blocked hydrophobic polyisocyanate represented by the following formula (I) and a non-ionic surface active agent, and a water-and-oil repellant component having a perfluoroalkyl group with 6 carbon atoms or less is provided: R(—NH—CO—Z)m??(I) [in the formula (I), m represents an integer of 2 or more; R represents a residue after an “m” number of isocyanate groups have been removed from a polyisocyanate compound with an “m” number of isocyanate groups; Z represents a residue, which is the same or different from each other, after hydrogen atoms have been removed from active hydrogen-containing compounds that are capable of reacting with an isocyanate group, and at least two of the Z's are a pyrazole groups represented by the formula (II): {in the formula (II), n represents an integer of from 0 to 3; if n is 1 or higher, R1, which is the saType: ApplicationFiled: July 25, 2011Publication date: June 27, 2013Applicants: DAIKIN INDUSTRIES LTD, NICCA CHEMICAL CO LTDInventors: Gou Yoshino, Norihiro Taniguchi, Hiromu Oda, Makoto Nishikawa, Takashi Enomoto, Masahiro Miyahara, Ikuo Yamamoto
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Publication number: 20110287678Abstract: A surface treatment agent, which can impart the excellent water- and oil-repellency, soil resistance and feeling to the substrate, is obtained from a fluorine-containing polymer which contains: (A) a monomer which comprises; (A1) a fluorine-containing monomer of the formula: CH2?C(—X)—C(?O)—Y—Z—Rf wherein X is a hydrogen atom, a monovalent organic group, or a halogen atom, Y is —O— or —NH—, Z is a direct bond or a divalent organic group, and Rf is a fluoroalkyl group having 1 to 20 carbon atoms, and (A2) a (meth)acrylate monomer having a cyclic hydrocarbon group, and (B) at least one functional organopolysiloxane selected from the group consisting of a mercapto-functional organopolysiloxane, a vinyl-functional organopolysiloxane, a (meth)acrylamide-functional organopolysiloxane and a (meth)acrylate-functional group.Type: ApplicationFiled: September 11, 2009Publication date: November 24, 2011Applicants: DOW CORNING CORPORATION, DAIKIN INDUSTRIES, LTD.Inventors: Shinichi Minami, Takashi Enomoto, Tetsuya Masutani, Masahiro Miyahara, Mitsuhiro Usugaya, Rumi Takeuchi, Ikuo Yamamoto, Peter Cheshire Hupfield