Patents by Inventor Tetsuya Uehara

Tetsuya Uehara 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).

  • Publication number: 20250230608
    Abstract: A water- and oil-repellent agent including: a modified starch, the modified starch including a hydrophobized modified starch that exhibits a viscosity of 60 cps or less at 50° C. in a 20 mass % aqueous solution, the hydrophobized modified starch accounting for 60% by mass or more of the modified starch contained in the water- and oil-repellent agent, where the amount of the modified starch in the water- and oil-repellent agent is 15% by mass or more.
    Type: Application
    Filed: April 7, 2025
    Publication date: July 17, 2025
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Michio MATSUDA, Hirotoshi SAKASHITA, Shun SHIBATA, Tetsuya UEHARA
  • Publication number: 20250230610
    Abstract: A water- and oil-repellent agent including: a polysaccharide; and a sizing agent, wherein the polysaccharide exhibits a viscosity of 60 cps or less at 50° C. in a 20 mass % aqueous solution.
    Type: Application
    Filed: March 28, 2025
    Publication date: July 17, 2025
    Applicant: DAIKEN INDUSTRIES, LTD.
    Inventors: Michio MATSUDA, Hirotoshi Sakashita, Shun Shibata, Tetsuya Uehara
  • Publication number: 20240287301
    Abstract: Provided is an aqueous polymer dispersion exhibiting excellent liquid repellency, oil resistance, and low-temperature storage stability, and obtained from a hydrocarbon group-containing polymer composition including (1) a hydrocarbon group-containing polymer having a repeating unit formed from an acrylic monomer having a hydrocarbon group having 7-40 carbon atoms, (2) a diol compound, and (3) an aqueous medium.
    Type: Application
    Filed: April 30, 2024
    Publication date: August 29, 2024
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Michio MATSUDA, Hirotoshi Sakashita, Yuka Kusukawa, Tetsuya Uehara, Shun Shibata, Hisako Nakamura
  • Publication number: 20240167226
    Abstract: An oil-resistant agent composition which contains (1) a hydrocarbon group-containing polymer and (2) an amphoteric polyacrylamide polymer, and which is capable of imparting paper with excellent oil resistance. The hydrocarbon group-containing polymer has (a) a repeating unit that is formed from an acrylic monomer which has a long-chain hydrocarbon group having 7 to 40 carbon atoms and (b) a repeating unit that is formed from an acrylic monomer which has a hydrophilic group. Preferably, the oil-resistant agent composition additionally contains an anionic polyacrylamide polymer. Also disclosed is an oil-resistant agent kit including a liquid containing the oi-resistant agent composition, a method for producing oil-resistant paper which includes adding the oil-resistant agent composition to a paper constituent material, pulp or pulp slurry, as well as an oil-resistant paper.
    Type: Application
    Filed: January 3, 2024
    Publication date: May 23, 2024
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Shun SHIBATA, Tetsuya Uehara, Daisuke Noguchi, Hisako Nakamura
  • Publication number: 20240150965
    Abstract: A paper oil-resistant agent composition containing a hydrocarbon group-containing polymer having a repeating unit formed from a monomer having a hydrocarbon group having 7 to 40 carbon atoms and an NH group-containing group in an amount of 80% by weight or more based on the polymer. Also disclosed is an oil-resistant paper to which the hydrocarbon group-containing polymer in the paper oil-resistant agent composition adheres, a method for producing paper which includes treating paper with the paper oil-resistant composition, and a method for producing molded pulp which includes filling a mold with the paper oil-resistant agent composition and a pulp slurry, and molding the pulp.
    Type: Application
    Filed: January 5, 2024
    Publication date: May 9, 2024
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Tetsuya UEHARA, Daisuke NOGUCHI, Norimasa UESUGI, Hisako NAKAMURA, Shun SHIBATA, Michio MATSUDA, Teruyuki FUKUDA
  • Patent number: 11851822
    Abstract: An oil-resistant agent for paper, which contains a non-fluorine copolymer that has a repeating unit formed from (a) an acrylic monomer having a long-chain hydrocarbon group with 7-40 carbon atoms and a repeating unit formed from (b) an acrylic monomer having a hydrophilic group. The oil-resistant agent for paper also contains a liquid medium that is composed of water and/or an organic solvent, preferably of water or a mixture (aqueous medium) of water and an organic solvent. The non-fluorine copolymer preferably has a repeating unit formed from (c) a monomer having an ion donor group in addition to the repeating units formed from the monomers (a) and (b). Also disclosed is an oil-resistant paper having an oil-resistant layer including the oil-resistant agent for paper, and starch or modified starch, on a surface of the paper as well as a method of treating paper.
    Type: Grant
    Filed: February 8, 2021
    Date of Patent: December 26, 2023
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Yuuki Yamamoto, Michio Matsuda, Tetsuya Uehara, Hirotoshi Sakashita
  • Publication number: 20230250589
    Abstract: An oil-resistant agent and an oil-resistant composition, which are capable of imparting excellent oil-resistance to paper. The oil-resistant composition contains a polysaccharide (1) and an oil-resistant polymer (2). The polysaccharide (1) is preferably starch. The oil-resistant polymer (2) preferably has (a) a repeating unit formed from an acrylic monomer that has a long-chain hydrocarbon group having 7-40 carbon atoms, and (b) a repeating unit formed from an acrylic monomer that has a hydrophilic group. A polyvinyl alcohol or glucose may be present as an additive.
    Type: Application
    Filed: April 13, 2023
    Publication date: August 10, 2023
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Michio MATSUDA, Hirotoshi SAKASHITA, Nozomi YAMAGUCHI, Tetsuya UEHARA, Daisuke NOGUCHI, Shun SHIBATA
  • Publication number: 20230227596
    Abstract: An oil-resistant agent including a graft polymer obtained by graft modification of a bio-based material with a long-chain hydrocarbon group-containing non-fluorine polymer having a long-chain hydrocarbon group having 7 to 40 carbon atoms. Also disclosed is a fiber product including the graft polymer in the oil-resistant agent and a method for producing the oil-resistant agent.
    Type: Application
    Filed: March 22, 2023
    Publication date: July 20, 2023
    Applicant: DAIKIN INDUSTRIES LTD.
    Inventors: Daisuke NOGUCHI, Tetsuya UEHARA, Shinichi MINAMI, Teruyuki FUKUDA
  • Publication number: 20230220140
    Abstract: An oil-resistant agent containing an amide compound including a bio-based material modified with a long-chain hydrocarbon group having 7 to 40 carbon atoms and an amide group. Also disclosed is a fiber product containing the amide compound, and a water dispersion containing the amide compound.
    Type: Application
    Filed: March 22, 2023
    Publication date: July 13, 2023
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Shun SHIBATA, Tetsuya Uehara, Daisuke Noguchi, Nozomi Yamaguchi, Shinichi Minami, Teruyuki Fukuda
  • Publication number: 20230096888
    Abstract: A non-fluorinated copolymer composition containing (1) a fluorine-free copolymer and (2) acetylene alcohol. The non-fluorinated copolymer (1) has a repeating unit formed from (a) an acrylic monomer having a long-chain hydrocarbon group having 7 to 40 carbon atoms; and a repeating unit formed from (c) an acrylic monomer having an olefinic carbon-carbon double bond and an ion donating group. Also disclosed is an oil-resistant agent containing a fluorine-free composition including (1) a fluorine-free copolymer, and (2) an acetylene alcohol, wherein the fluorine-free copolymer (1) has a repeating unit formed from (a) an acrylic monomer having a long-chain hydrocarbon group having 7 to 40 carbon atoms; an oil-resistant agent kit; a method for producing the fluorine-free copolymer; an oil-resistant paper; and a method for eliminating foam during treatment of paper with the fluorine-free copolymer composition.
    Type: Application
    Filed: September 16, 2022
    Publication date: March 30, 2023
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Michio MATSUDA, Hirotoshi SAKASHITA, Tetsuya UEHARA, Daisuke NOGUCHI
  • Patent number: 11434606
    Abstract: A molded pulp product including: a pulp, a water- and oil-resistant agent, and a water soluble polymer that does not dissolve in an aqueous medium at 40° C. or lower, wherein a content of the water soluble polymer is 1 to 50% by mass, based on the pulp.
    Type: Grant
    Filed: December 6, 2018
    Date of Patent: September 6, 2022
    Assignee: DAIKEN INDUSTRIES, LTD.
    Inventors: Tetsuya Uehara, Michio Matsuda, Takashi Enomoto
  • Publication number: 20220081842
    Abstract: A paper oil-resistant agent which is added to the interior of paper and includes (1) a non-fluorine polymer and (2) at least one type of particles selected from inorganic particles or organic particles, the amount of the particles (2) being 1-99.9 wt % of the total weight of the non-fluorine polymer (1) and the particles (2). Also disclosed is an oil-resistant paper including the paper oil-resistant agent and a method for producing the oil-resistant paper.
    Type: Application
    Filed: November 29, 2021
    Publication date: March 17, 2022
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Tetsuya UEHARA, Michio MATSUDA, Hirotoshi SAKASHITA, Yuuki YAMAMOTO, Daisuke NOGUCHI
  • Publication number: 20210164165
    Abstract: An oil-resistant agent for paper, which contains a non-fluorine copolymer that has a repeating unit formed from (a) an acrylic monomer having a long-chain hydrocarbon group with 7-40 carbon atoms and a repeating unit formed from (b) an acrylic monomer having a hydrophilic group. The oil-resistant agent for paper also contains a liquid medium that is composed of water and/or an organic solvent, preferably of water or a mixture (aqueous medium) of water and an organic solvent. The non-fluorine copolymer preferably has a repeating unit formed from (c) a monomer having an ion donor group in addition to the repeating units formed from the monomers (a) and (b). Also disclosed is an oil-resistant paper having an oil-resistant layer including the oil-resistant agent for paper, and starch or modified starch, on a surface of the paper as well as a method of treating paper.
    Type: Application
    Filed: February 8, 2021
    Publication date: June 3, 2021
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Yuuki YAMAMOTO, Michio Matsuda, Tetsuya Uehara, Hirotoshi Sakashita
  • Publication number: 20210054569
    Abstract: A molded pulp product including: a pulp, a water- and oil-resistant agent, and a water soluble polymer that does not dissolve in an aqueous medium at 40° C. or lower, wherein a content of the water soluble polymer is 1 to 50% by mass, based on the pulp.
    Type: Application
    Filed: December 6, 2018
    Publication date: February 25, 2021
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Tetsuya UEHARA, Michio MATSUDA, Takashi ENOMOTO
  • Publication number: 20210032493
    Abstract: 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: Application
    Filed: October 21, 2020
    Publication date: February 4, 2021
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Masato IOKI, Masahiro MIYAHARA, Tetsuya UEHARA, Yuuki YAMAMOTO, Masaki FUKUMORI, Masahiro HIMURO
  • Patent number: 10767057
    Abstract: A coating film exhibiting excellent water and oil repellency is provided. The coating film comprises (a) calcium carbonate having an average particle diameter of 600-9,000 nm, (b) poly(vinyl alcohol), and (c) a copolymer including constituent units of a monomer having a C6 or lower perfluoroalkyl group.
    Type: Grant
    Filed: February 24, 2017
    Date of Patent: September 8, 2020
    Assignees: DAIKIN INDUSTRIES, LTD., OTSUKA PACKAGING INDUSTRIES CO., LTD., OTSUKA PHARMACEUTICAL FACTORY, INC.
    Inventors: Tetsuya Uehara, Eiji Masuda, Kenta Shimada, Daichi Shibazaki, Fujio Inoue
  • Patent number: 10640594
    Abstract: Disclosed is a fluorine-containing composition which contains a fluorine-containing polymer that has repeating units respectively derived from (A) a fluorine-containing monomer that is an alpha-chloroacrylate having a fluoroalkyl group, (B) a monomer that has a linear or branched hydrocarbon group but does not have a fluoroalkyl group, and (C) a monomer that has a cyclic hydrocarbon group but does not have a fluoroalkyl group. This fluorine-containing composition is capable of providing a base such as a fiber product with excellent water repellency, especially strong water repellency.
    Type: Grant
    Filed: December 12, 2012
    Date of Patent: May 5, 2020
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Shinichi Minami, Masaki Fukumori, Tetsuya Uehara, Hisako Nakamura, Ikuo Yamamoto
  • Patent number: 10628069
    Abstract: A management apparatus, which is configured to manage at least one storage system, includes a processor and a memory. Each of the at least one storage apparatus includes a plurality of volumes, each of which stores at least one OS. The processor is configured to: determine, for each of the plurality of volumes, an OS type and version of a representative OS of the each of the plurality of volumes; select, from among the plurality of volumes, a plurality of volumes having representative OSes that share the same OS type and major version; and include the selected plurality of volumes in one deduplication group made up of volumes among which deduplication is to be executed.
    Type: Grant
    Filed: June 3, 2016
    Date of Patent: April 21, 2020
    Assignee: HITACHI LTD.
    Inventors: Atsushi Tsuda, Masakazu Kobayashi, Yuichiro Nagashima, Tetsuya Uehara, Yohei Tsujimoto
  • Publication number: 20190085172
    Abstract: A coating film exhibiting excellent water and oil repellency is provided. The coating film comprises (a) calcium carbonate having an average particle diameter of 600-9,000 nm, (b) poly(vinyl alcohol), and (c) a copolymer including constituent units of a monomer having a C6 or lower perfiuoroalkyl group.
    Type: Application
    Filed: February 24, 2017
    Publication date: March 21, 2019
    Applicants: DAIKIN INDUSTRIES, LTD., OTSUKA PACKAGING INDUSTRIES CO., LTD., OTSUKA PHARMACEUTICAL FACTORY, INC.
    Inventors: Tetsuya UEHARA, Eiji MASUDA, Kenta SHIMADA, Daichi SHIBAZAKI, Fujio INOUE
  • Publication number: 20190087116
    Abstract: A management apparatus, which is configured to manage at least one storage system, includes a processor and a memory. Each of the at least one storage apparatus includes a plurality of volumes, each of which stores at least one OS. The processor is configured to: determine, for each of the plurality of volumes, an OS type and version of a representative OS of the each of the plurality of volumes; select, from among the plurality of volumes, a plurality of volumes having representative OSes that share the same OS type and major version; and include the selected plurality of volumes in one deduplication group made up of volumes among which deduplication is to be executed.
    Type: Application
    Filed: June 3, 2016
    Publication date: March 21, 2019
    Applicant: HITACHI, LTD.
    Inventors: Atsushi TSUDA, Masakazu KOBAYASHI, Yuichiro NAGASHIMA, Tetsuya UEHARA, Yohei TSUJIMOTO