Patents by Inventor Kayo Kusumi
Kayo Kusumi 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: 20170088653Abstract: Provided is a surfactant which has a high surface tension reducing ability and a high solubility in a liquid medium, containing a fluorine-containing copolymer containing, as essential components, a monomer having a fluoroalkyl group having 1 to 7 carbon atoms, a hydrophilic monomer, and a monomer having an ion donor group. Further provided are a coating composition, an ink composition and a photographic emulsion composition, each comprising the surfactant.Type: ApplicationFiled: December 13, 2016Publication date: March 30, 2017Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Mitsuhiro USUGAYA, Kayo KUSUMI
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Patent number: 9540470Abstract: Disclosed is a treatment agent for paper comprising a fluorine-containing copolymer having a repeat unit (a) derived from a fluorine-containing monomer represented by general formula (I): CH2?C(—X)—C(?O)—Y—[—CH2)m—Z—]p—(CH2)n—Rf; a repeat unit (b) derived from at least one amino monomer represented by general formula (II-1): or a derivative thereof; and a repeat unit (c) derived from a pyrrolidone monomer represented by general formula (III): The treatment agent for paper provides paper having high oil resistance and high water resistance.Type: GrantFiled: August 17, 2010Date of Patent: January 10, 2017Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Michio Matsuda, Tetsuya Uehara, Norimasa Uesugi, Ikuo Yamamoto, Kayo Kusumi
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Patent number: 9464384Abstract: A water-resistant/oil-resistant agent for paper containing (I) a fluorine-containing copolymer including repeating units derived from: (a) a fluorine-containing monomer that has a fluoroalkyl group and that is represented by general formula (1): CH2?C(—X)—C(?O)—Y—Z—Rf (where X is a hydrogen atom, a linear or branched alkyl group having 1-21 carbon atoms, a fluorine atom, a chlorine atom, a bromine atom, an iodine atom, or the like; Y is —O— or —NH—; Z is an aliphatic group having 1-10 carbon atoms, an aromatic group having 6-10 carbon atoms, a cycloaliphatic group, or the like; and Rf is a linear or branched fluoroalkyl group having 1-6 carbon atoms), and (b) a (meth)acrylate monomer containing no fluorine atoms; and (II) a polypropylene glycol compound. Also disclosed is a method for treating paper, a treated paper and a composition for treating paper containing the water-resistant/oil resistant agent.Type: GrantFiled: March 14, 2013Date of Patent: October 11, 2016Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Tetsuya Uehara, Kayo Kusumi, Michio Matsuda
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Patent number: 9249540Abstract: Disclosed is a water and oil resistant agent comprising a fluorine-containing copolymer obtained by copolymerizing a (meth)acrylate monomer having a polyfluoroalkyl group having 1-6 carbon atoms, hydrophilic monomer, and monomer having an anion-donating group, which agent affords a superior water and oil resistance to a paper. The invention also discloses a process for treating a paper by the water and oil resistant agent and a treated paper thereby.Type: GrantFiled: August 31, 2010Date of Patent: February 2, 2016Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Eiji Masuda, Michio Matsuda, Kayo Kusumi, Tetsuya Uehara
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Publication number: 20150096699Abstract: A water-resistant/oil-resistant agent for paper containing (I) a fluorine-containing copolymer including repeating units derived from: (a) a fluorine-containing monomer that has a fluoroalkyl group and that is represented by general formula (1): CH2?C(—X)—C(?O)—Y—Z—Rf (where X is a hydrogen atom, a linear or branched alkyl group having 1-21 carbon atoms, a fluorine atom, a chlorine atom, a bromine atom, an iodine atom, or the like; Y is —O— or —NH—; Z is an aliphatic group having 1-10 carbon atoms, an aromatic group having 6-10 carbon atoms, a cycloaliphatic group, or the like; and Rf is a linear or branched fluoroalkyl group having 1-6 carbon atoms), and (b) a (meth)acrylate monomer containing no fluorine atoms; and (II) a polypropylene glycol compound. Also disclosed is a method for treating paper, a treated paper and a composition for treating paper containing the water-resistant/oil resistant agent.Type: ApplicationFiled: March 14, 2013Publication date: April 9, 2015Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Tetsuya Uehara, Kayo Kusumi, Michio Matsuda
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Patent number: 8992733Abstract: Disclosed is a water and oil resistant agent comprising a fluorine-containing copolymer obtained by copolymerizing a (meth)acrylate monomer having a polyfluoroalkyl group having 1 to 6 carbon atoms, the agent being able to afford a superior water and oil resistance to a paper. The invention also discloses a composition comprising the water and oil resistant agent, a process for treating a paper thereby and a treated paper thereby.Type: GrantFiled: February 14, 2011Date of Patent: March 31, 2015Assignee: Daikin Industries, Ltd.Inventors: Tetsuya Uehara, Kensuke Mohara, Eiji Masuda, Kayo Kusumi, Michio Matsuda
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Publication number: 20140142222Abstract: Provided is a surfactant which has a high surface tension reducing ability and a high solubility in a liquid medium, comprising a fluorine-containing copolymer containing, as essential components, a monomer having a fluoroalkyl group having 1 to 7 carbon atoms, a hydrophilic monomer, and a monomer having an ion donor group. Further provided are a coating composition, an ink composition and a photographic emulsion composition, each comprising the surfactant.Type: ApplicationFiled: January 24, 2014Publication date: May 22, 2014Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Mitsuhiro USUGAYA, Kayo Kusumi
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Patent number: 8568886Abstract: Disclosed is a fluorine-containing copolymer having sufficient stability in water, which is capable of providing paper with sufficient oil resistance. The fluorine-containing polymer contains, as essential components, (a) a fluorine-containing monomer represented by general formula (I) CH2?C(—X)—C(?O)—Y—[—(CH2)m—Z—]p—(CH2)n—Rf (wherein X represents a hydrogen atom; Y represents —O— or —NH—; Z represents a direct bond, —S— or —SO2—; Rf represents a fluoroalkyl group having 1-6 carbon atoms; m is a number of 1-10; n is a number of 0-10; and p is 0 or 1) and (b) an alkoxy group-containing monomer represented by general formula (II) CH2?C(X?)—C(?O)—O—(RO)q—H (wherein X? represents a hydrogen atom or a methyl group; R represents an alkylene group having 2-4 carbon atoms wherein a part or all of hydrogen atoms may be substituted by a hydroxyl group; and q represent an integer of 1-50). The fluorine-containing polymer does not contain a monomer having an amino group.Type: GrantFiled: March 27, 2009Date of Patent: October 29, 2013Assignee: Daikin Industries, Ltd.Inventors: Michio Matsuda, Tetsuya Uehara, Mitsuhiro Usugaya, Ikuo Yamamoto, Takashi Enomoto, Kayo Kusumi
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Publication number: 20120325419Abstract: Disclosed is a water and oil resistant agent comprising a fluorine-containing copolymer obtained by copolymerizing a (meth)acrylate monomer having a polyfluoroalkyl group having 1 to 6 carbon atoms, the agent being able to afford a superior water and oil resistance to a paper. The invention also discloses a composition comprising the water and oil resistant agent, a process for treating a paper thereby and a treated paper thereby.Type: ApplicationFiled: February 14, 2011Publication date: December 27, 2012Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Tetsuya Uehara, Kensuke Mohara, Eiji Masuda, Kayo Kusumi, Michio Matsuda
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Publication number: 20120285645Abstract: A water- and oil-resistant agent obtained by mixing a fluorine-containing copolymer obtained by copolymerizing (a) a (meth)acrylate monomer (a) having a polyfluoroalkyl group having 1 to 6 carbon atoms, (b) a vinylpyrrolidone monomer, (c) a monomer having an anion-donating group, and (d) a fluorine-free (meth)acrylate monomer with a liquid medium and an acid under heating, can have a decreased residual amount of unreacted vinylpyrrolidone monomer of at most 10 ppm and can afford a superior water- and oil-resistance to a paper. The invention also discloses a method of producing the water- and oil-resistant agent, a paper treatment composition comprising the water- and oil-resistant agent, a method for treating a paper with the treatment composition, and a paper treated with the water- and oil-resistant agent.Type: ApplicationFiled: March 28, 2012Publication date: November 15, 2012Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Kayo KUSUMI, Eiji MASUDA
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Publication number: 20120180969Abstract: Disclosed is a treatment agent for paper comprising a fluorine-containing copolymer having a repeat unit (a) derived from a fluorine-containing monomer represented by general formula (I): CH2?C(—X)—C(?O)—Y—[—CH2)m—Z—]p—(CH2)n-Rf; a repeat unit (b) derived from at least one amino monomer represented by general formula (II-1): or a derivative thereof; and a repeat unit (c) derived from a pyrrolidone monomer represented by general formula (III): The treatment agent for paper provides paper having high oil resistance and high water resistance.Type: ApplicationFiled: August 17, 2010Publication date: July 19, 2012Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Michio Matsuda, Tetsuya Uehara, Norimasa Uesugi, Ikuo Yamamoto, Kayo Kusumi
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Publication number: 20120171495Abstract: Disclosed is a water and oil resistant agent comprising a fluorine-containing copolymer obtained by copolymerizing a (meth)acrylate monomer having a polyfluoroalkyl group having 1-6 carbon atoms, hydrophilic monomer, and monomer having an anion-donating group, which agent affords a superior water and oil resistance to a paper. The invention also discloses a process for treating a paper by the water and oil resistant agent and a treated paper thereby.Type: ApplicationFiled: August 31, 2010Publication date: July 5, 2012Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Eiji Masuda, Michio Matsuda, Kayo Kusumi, Tetsuya Uehara
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Publication number: 20120016070Abstract: Provided is a surfactant which has a high surface tension reducing ability and a high solubility in a liquid medium, comprising a fluorine-containing copolymer containing, as essential components, a monomer having a fluoroalkyl group having 1 to 7 carbon atoms, a hydrophilic monomer, and a monomer having an ion donor group. Further provided are a coating composition, an ink composition and a photographic emulsion composition, each comprising the surfactant.Type: ApplicationFiled: March 24, 2010Publication date: January 19, 2012Applicant: DAIKIN INDUSTRIES LTD.Inventors: Mitsuhiro Usugaya, Kayo Kusumi
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Publication number: 20110027593Abstract: Disclosed is a fluorine-containing copolymer having sufficient stability in water, which is capable of providing paper with sufficient oil resistance. The fluorine-containing polymer contains, as essential components, (a) a fluorine-containing monomer represented by general formula (I) CH2?C(—X)—C(?O)—Y—[—(CH2)m—Z—]p—(CH2)n—Rf (wherein X represents a hydrogen atom; Y represents —O— or —NH—; Z represents a direct bond, —S— or —SO2—; Rf represents a fluoroalkyl group having 1-6 carbon atoms; m is a number of 1-10; n is a number of 0-10; and p is 0 or 1) and (b) an alkoxy group-containing monomer represented by general formula (II) CH2?C(X?)—C(?O)—O—(RO)q—H (wherein X? represents a hydrogen atom or a methyl group; R represents an alkylene group having 2-4 carbon atoms wherein a part or all of hydrogen atoms may be substituted by a hydroxyl group; and q represent an integer of 1-50). The fluorine-containing polymer does not contain a monomer having an amino group.Type: ApplicationFiled: March 27, 2009Publication date: February 3, 2011Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Michio Matsuda, Tetsuya Uehara, Mitsuhiro Usugaya, Ikuo Yamamoto, Takashi Enomoto, Kayo Kusumi
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Patent number: 7758656Abstract: A textile having excellent water- and oil-repellency can be obtained by a method of preparing a treated textile, having steps of: (1) preparing a treatment liquid comprising a water- and oil-repellent agent, (2) adjusting pH of the treatment liquid to at most 7, preferably at most 3, (3) applying the treatment liquid to a textile, (4) treating the textile with steam, and (5) washing the textile with water and dehydrating the textile, wherein the water- and oil-repellent agent is at least one fluorine-containing compound selected from the group consisting of a fluorine-containing polymer and a fluorine-containing low molecular weight compound, and the water- and oil-repellent agent or the treatment liquid contains an organic salt.Type: GrantFiled: April 16, 2001Date of Patent: July 20, 2010Assignee: Daikin Industries, Ltd.Inventors: Takashi Enomoto, Ikuo Yamamoto, Norihito Otsuki, Teruyuki Fukuda, Kayo Kusumi
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Publication number: 20100143641Abstract: Excellent water- and oil-repellency and soil releasability can be obtained by a method of preparing a treated textile, having steps of: (1) preparing a treatment liquid containing a water- and oil-repellent agent and a stain blocking agent, (2) adjusting pH of the treatment liquid to at most 7, (3) applying the treatment liquid to a textile, (4) treating the textile with steam, and (5) washing the textile with water and dehydrating the textile, wherein the water- and oil-repellent agent contains at least one fluorine-containing compound selected from the group consisting of a fluorine-containing polymer and a fluorine-containing low molecular weight compound, and the water- and oil-repellent agent or the treatment liquid contains a cationic emulsifying agent.Type: ApplicationFiled: February 15, 2010Publication date: June 10, 2010Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Ikuo Yamamoto, Kayo Kusumi, Mitsuhiro Usugaya, Ryosuke Hara, Takahito Kanbara
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Publication number: 20100129594Abstract: Excellent water repellency and Oil repellency are imparted to a textile by a method including (1) preparing a treatment liquid comprising a water- and oil-repellent agent, (2) adjusting pH of the treatment liquid to at most 7, (3) applying the treatment liquid to a textile, (4) treating the textile with steam, and (5) washing the textile with water and dehydrating the textile, wherein the water- and oil-repellent agent comprises at least one fluorine-containing compound selected from the group consisting of a fluorine-containing polymer and a fluorine-containing low molecular weight compound, and the water- and oil-repellent agent or the treatment liquid contains a cationic emulsifier and/or a salt.Type: ApplicationFiled: January 27, 2010Publication date: May 27, 2010Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Fumihiko YAMAGUCHI, Ikuo YAMAMOTO, Kayo KUSUMI
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Patent number: 7717963Abstract: Excellent water repellency and Oil repellency are imparted to a textile by a method including (1) preparing a treatment liquid comprising a water- and oil-repellent agent, (2) adjusting pH of the treatment liquid to at most 7, (3) applying the treatment liquid to a textile, (4) treating the textile with steam, and (5) washing the textile with water and dehydrating the textile, wherein the water- and oil-repellent agent comprises at least one fluorine-containing compound selected from the group consisting of a fluorine-containing polymer and a fluorine-containing low molecular weight compound, and the water- and oil-repellent agent or the treatment liquid contains a cationic emulsifier and/or a salt.Type: GrantFiled: October 12, 2006Date of Patent: May 18, 2010Assignee: Daikin Industries Ltd.Inventors: Fumihiko Yamaguchi, Ikuo Yamamoto, Kayo Kusumi
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Patent number: 7678155Abstract: Excellent water- and oil-repellency and soil releasability can be obtained by a method of preparing a treated textile, having steps of: (1) preparing a treatment liquid containing a water- and oil-repellent agent and a stain blocking agent, (2) adjusting pH of the treatment liquid to at most 7, (3) applying the treatment liquid to a textile, (4) treating the textile with steam, and (5) washing the textile with water and dehydrating the textile, wherein the water- and oil-repellent agent contains at least one fluorine-containing compound selected from the group consisting of a fluorine-containing polymer and a fluorine-containing low molecular weight compound, and the water- and oil-repellent agent or the treatment liquid contains a cationic emulsifying agent.Type: GrantFiled: April 8, 2003Date of Patent: March 16, 2010Assignee: Daikin Industries, Ltd.Inventors: Ikuo Yamamoto, Kayo Kusumi, Mitsuhiro Usugaya, Ryosuke Hara, Takahito Kanbara
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Patent number: 7388104Abstract: A fluorine-containing urethane compound of the general formula: [Rf-A1-(X1(OH))—(Y1)a—OC(?O)NH—]mI[—NHC(?O)O—Y2]n[—NHC(?O)O—((ClCH2—)X2O)b—R1]k ??(1) wherein I is a group remaining after an isocyanate group is removed from a polyisocyanate compound, Rf is a perfluoroalkyl group having 2 to 21 carbon atoms, A1 is a direct bond or a divalent organic group having 1 to 21 carbon atoms, X1 and X2 are trivalent linear or branched aliphatic group having 2 to 5 carbon atoms, Y1 is a divalent organic group having 0 to 5 carbon atoms and 0 to 2 nitrogen atoms (provided that at least one carbon atom or nitrogen atom is present) and at least one hydrogen atom, Y2 is a monovalent organic group optionally having a hydroxyl group, and R1 is a hydrogen atom or an alkyl group having 1 to 10 carbon atoms, can impart high water- and oil-repellency.Type: GrantFiled: August 5, 2003Date of Patent: June 17, 2008Assignee: Daikin Industries, Ltd.Inventors: Ikuo Yamamoto, Kayo Kusumi, Takuya Yoshioka, Fumihiko Yamaguchi