Patents by Inventor Satoshi KAKO

Satoshi KAKO 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).

  • Method for producing fluorine-containing sulfonylamide compound
    Patent number: 10717705
    Abstract: A method for efficiently removing impurities such as sodium ions, fluoride ions, chloride ions and fluorosulfate ions without reducing the yield of a target product, including a fluorine-containing sulfonylamide compound selected from the group consisting of fluorine-containing sulfonylamide, a metal salt thereof, an ammonium salt thereof and a quaternary ammonium salt thereof is washed with an aqueous solution of salt of sulfuric acid.
    Type: Grant
    Filed: August 1, 2017
    Date of Patent: July 21, 2020
    Assignee: NIPPON SODA CO., LTD.
    Inventors: Shiro Tsubokura, Yuka Aomori, Satoshi Kako
  • METHOD FOR PRODUCING FLUORINE-CONTAINING SULFONYLAMIDE COMPOUND
    Publication number: 20190233368
    Abstract: A method for efficiently removing impurities such as sodium ions, fluoride ions, chloride ions and fluorosulfate ions without reducing the yield of a target product, including a fluorine-containing sulfonylamide compound selected from the group consisting of fluorine-containing sulfonylamide, a metal salt thereof, an ammonium salt thereof and a quaternary ammonium salt thereof is washed with an aqueous solution of salt of sulfuric acid.
    Type: Application
    Filed: August 1, 2017
    Publication date: August 1, 2019
    Applicant: NIPPON SODA CO., LTD.
    Inventors: Shiro TSUBOKURA, Yuka AOMORI, Satoshi KAKO