Patents by Inventor Kensuke Mohara
Kensuke Mohara 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: 11578232Abstract: The present invention addresses the problem of providing a super-liquid-repellent coating film that has improved abrasion resistance. Provided as a means for solving the problem is a coating film that has a fluorine atom content of 1 to 60 wt %, the coating film having a surface that has an average surface roughness Ra of 0.5 to 20, a surface area ratio of 1.7 to 5, a contact angle with water of 150° or more, a contact angle with n-hexadecane of 80° or more, and a surface that has a contact angle with water of 150° or more after being rubbed 100 times with a PET film under a load of 100 g.Type: GrantFiled: April 13, 2017Date of Patent: February 14, 2023Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Hiroki Yamaguchi, Kakeru Hanabusa, Kensuke Mohara, Masamichi Morita
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Publication number: 20220089906Abstract: A problem to be solved by this disclosure is to provide a composition, preferably a composition for forming a liquid-repellent coating film.Type: ApplicationFiled: December 1, 2021Publication date: March 24, 2022Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Hiroki YAMAGUCHI, Gregory TORTISSIER, Kensuke MOHARA, Masamichi MORITA
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Publication number: 20210292506Abstract: An antifogging coating material composition containing: a polymer obtained by polymerizing a raw material monomer including: (a) an alkylene oxide-containing monomer represented by the formula (I): CH2?CX1—CO—Y1—(R1O)n—R2 wherein the symbols are as defined herein and (b) a fluoroalkyl group-containing monomer represented by the formula (II): CH2?CX2—CO—Y2—Z2—Rf wherein the symbols are as defined herein. Also disclosed is an article including a base material and a layer formed from the antifogging coating material composition on a surface of the base material, as well as a polymer obtained by polymerizing the monomers (a) and (b).Type: ApplicationFiled: May 27, 2021Publication date: September 23, 2021Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Kensuke MOHARA, Gregory TORTISSIER
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Publication number: 20200347258Abstract: The present invention addresses the problem of providing a super-liquid-repellent coating film that has improved abrasion resistance. Provided as a means for solving the problem is a coating film that has a fluorine atom content of 1 to 60 wt %, the coating film having a surface that has an average surface roughness Ra of 0.5 to 20, a surface area ratio of 1.7 to 5, a contact angle with water of 150° or more, a contact angle with n-hexadecane of 80° or more, and a surface that has a contact angle with water of 150° or more after being rubbed 100 times with a PET film under a load of 100 g.Type: ApplicationFiled: April 13, 2017Publication date: November 5, 2020Applicant: Daikin Industries, Ltd.Inventors: Hiroki YAMAGUCHI, Kakeru HANABUSA, Kensuke MOHARA, Masamichi MORITA
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Publication number: 20200291257Abstract: An object, of the present invention is to provide a new liquid-repellent coating film. This object can be achieved by a coating film that has a fluorine content of less than 1 wt %, a water contact angle (droplet: 2 ?L) of 115° or more, and a water contact angle of 300° or more after surface friction with a PET film (under a load of 100 gf/cm2; 1500 reciprocations); and that satisfies at least one of the following regarding surface roughness indices: (a) an average surface roughness Ra of 1.6 ?m or more; and (b) a Wenzel roughness factor of 1.2 or more.Type: ApplicationFiled: October 12, 2018Publication date: September 17, 2020Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Hiroki YAMAGUCHI, Kensuke MOHARA, Gregory TORTISSIER, Masamichi MORITA
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Patent number: 10703932Abstract: A surface-treating agent including at least one perfluoro(poly)ether group containing silane compound of the formula (1): wherein Rf, PFPE, Z, Q, R1, R2, X, Y, e, f, g, h and n are as defined herein. Also disclosed is a process for preparing the compound of formula (1).Type: GrantFiled: December 25, 2014Date of Patent: July 7, 2020Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Kenichi Katsukawa, Hisashi Mitsuhashi, Kensuke Mohara, Tomohiro Yoshida, Masatoshi Nose, Takashi Namikawa
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Patent number: 10414944Abstract: The present invention provides a novel antifouling article comprising a base material, a diamond-like carbon layer and an antifouling coating layer which is formed on the diamond-like carbon layer from a surface treating agent comprising a perfluoropolyether group-containing compound and having high acid resistant and alkaline resistant.Type: GrantFiled: August 31, 2015Date of Patent: September 17, 2019Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Kensuke Mohara, Hisashi Mitsuhashi
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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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Patent number: 9822259Abstract: A composition including a compound containing a carbon-carbon double bond obtained by reacting (A) a polyisocyanate which is a trimer of diisocyanate, with (B) a compound having an active hydrogen, wherein component (B) includes (B1) a perfluoropolyether having an active hydrogen, and (B2) a monomer having an active hydrogen and at least two groups having a carbon-carbon double bond.Type: GrantFiled: April 14, 2016Date of Patent: November 21, 2017Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Saya Nii, Kakeru Hanabusa, Kensuke Mohara
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Publication number: 20170283648Abstract: The present invention provides a novel antifouling article comprising a base material, a diamond-like carbon layer and an antifouling coating layer which is formed on the diamond-like carbon layer from a surface treating agent comprising a perfluoropolyether group-containing compound and having high acid resistant and alkaline resistant.Type: ApplicationFiled: August 31, 2015Publication date: October 5, 2017Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Kensuke MOHARA, Hisashi MITSUHASHI
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Publication number: 20160340544Abstract: A surface-treating agent including at least one perfluoro(poly)ether group containing silane compound of the formula (1): wherein Rf, PFPE, Z, Q, R1, R2, X, Y, e, f, g, h and n are as defined herein. Also disclosed is a process for preparing the compound of formula(1).Type: ApplicationFiled: December 25, 2014Publication date: November 24, 2016Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Kenichi KATSUKAWA, Hisashi MITSUHASHI, Kensuke MOHARA, Tomohiro YOSHIDA, Masatoshi NOSE, Takashi NAMIKAWA
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Publication number: 20160304743Abstract: The present invention provides a composition comprising a compound containing a carbon-carbon double bond obtained by reacting (A) a polyisocyanate which is a trimer of diisocyanate, with (B) a compound having an active hydrogen, wherein component (B) comprises (B1) a perfluoropolyether having an active hydrogen, and (B2) a monomer having an active hydrogen and at least two groups having a carbon-carbon double bond.Type: ApplicationFiled: April 14, 2016Publication date: October 20, 2016Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Saya NII, Kakeru HANABUSA, Kensuke MOHARA
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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: 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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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: 20100185007Abstract: There are provided simple processes for preparing a fluoroamide and a fluoronitrile which assure higher yield, i.e., a process for preparing a fluoroamide represented by the formula (2): CF2?CF—Rf—CONH2, wherein Rf is a perfluoroalkylene group or perfluorooxyalkylene group having 2 to 20 carbon atoms, by allowing a fluoroester represented by the formula (1): CF2?CF—Rf—COOR, wherein Rf is as defined above; R is an alkyl group having 1 to 6 carbon atoms, to react with ammonia or ammonium hydroxide, and a process for preparing a fluoronitrile represented by the formula (3): CF2?CF—Rf—CN, wherein Rf is as defined above, by allowing the fluoroamide obtained by the above-mentioned preparation process to react with a dehydrating agent (c) in a solvent (b) having an ether bond, an ester bond, a ketone group or a cyano group.Type: ApplicationFiled: June 24, 2008Publication date: July 22, 2010Inventors: Akiyoshi Yamauchi, Kensuke Mohara, Keiko Takao, Meiten Koh