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).

  • Patent number: 11578232
    Abstract: 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: Grant
    Filed: April 13, 2017
    Date of Patent: February 14, 2023
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Hiroki Yamaguchi, Kakeru Hanabusa, Kensuke Mohara, Masamichi Morita
  • Publication number: 20220089906
    Abstract: A problem to be solved by this disclosure is to provide a composition, preferably a composition for forming a liquid-repellent coating film.
    Type: Application
    Filed: December 1, 2021
    Publication date: March 24, 2022
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Hiroki YAMAGUCHI, Gregory TORTISSIER, Kensuke MOHARA, Masamichi MORITA
  • Publication number: 20210292506
    Abstract: 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: Application
    Filed: May 27, 2021
    Publication date: September 23, 2021
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Kensuke MOHARA, Gregory TORTISSIER
  • Publication number: 20200347258
    Abstract: 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: Application
    Filed: April 13, 2017
    Publication date: November 5, 2020
    Applicant: Daikin Industries, Ltd.
    Inventors: Hiroki YAMAGUCHI, Kakeru HANABUSA, Kensuke MOHARA, Masamichi MORITA
  • Publication number: 20200291257
    Abstract: 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: Application
    Filed: October 12, 2018
    Publication date: September 17, 2020
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Hiroki YAMAGUCHI, Kensuke MOHARA, Gregory TORTISSIER, Masamichi MORITA
  • Patent number: 10703932
    Abstract: 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: Grant
    Filed: December 25, 2014
    Date of Patent: July 7, 2020
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Kenichi Katsukawa, Hisashi Mitsuhashi, Kensuke Mohara, Tomohiro Yoshida, Masatoshi Nose, Takashi Namikawa
  • Patent number: 10414944
    Abstract: 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: Grant
    Filed: August 31, 2015
    Date of Patent: September 17, 2019
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Kensuke Mohara, Hisashi Mitsuhashi
  • Patent number: 9932504
    Abstract: 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: Grant
    Filed: March 19, 2013
    Date of Patent: April 3, 2018
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Rumi Kawabe, Ryousuke Hara, Masahiro Miyahara, Masaki Fukumori, Kouji Kubota, Kensuke Mohara, Takashi Enomoto
  • Patent number: 9822259
    Abstract: 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: Grant
    Filed: April 14, 2016
    Date of Patent: November 21, 2017
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Saya Nii, Kakeru Hanabusa, Kensuke Mohara
  • Publication number: 20170283648
    Abstract: 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: Application
    Filed: August 31, 2015
    Publication date: October 5, 2017
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Kensuke MOHARA, Hisashi MITSUHASHI
  • Publication number: 20160340544
    Abstract: 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: Application
    Filed: December 25, 2014
    Publication date: November 24, 2016
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Kenichi KATSUKAWA, Hisashi MITSUHASHI, Kensuke MOHARA, Tomohiro YOSHIDA, Masatoshi NOSE, Takashi NAMIKAWA
  • Publication number: 20160304743
    Abstract: 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: Application
    Filed: April 14, 2016
    Publication date: October 20, 2016
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Saya NII, Kakeru HANABUSA, Kensuke MOHARA
  • Patent number: 8992733
    Abstract: 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: Grant
    Filed: February 14, 2011
    Date of Patent: March 31, 2015
    Assignee: Daikin Industries, Ltd.
    Inventors: Tetsuya Uehara, Kensuke Mohara, Eiji Masuda, Kayo Kusumi, Michio Matsuda
  • Publication number: 20150080510
    Abstract: 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: Application
    Filed: March 19, 2013
    Publication date: March 19, 2015
    Inventors: Rumi Kawabe, Ryousuke Hara, Masahiro Miyahara, Masaki Fukumori, Kouji Kubota, Kensuke Mohara, Takashi Enomoto
  • Publication number: 20120325419
    Abstract: 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: Application
    Filed: February 14, 2011
    Publication date: December 27, 2012
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Tetsuya Uehara, Kensuke Mohara, Eiji Masuda, Kayo Kusumi, Michio Matsuda
  • Publication number: 20100185007
    Abstract: 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: Application
    Filed: June 24, 2008
    Publication date: July 22, 2010
    Inventors: Akiyoshi Yamauchi, Kensuke Mohara, Keiko Takao, Meiten Koh