Patents by Inventor Koji SHINGUBARA

Koji SHINGUBARA 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).

  • Alkali Metal Bis(Fluorosulfonyl)imide Aqueous Solution, Container Having Said Aqueous Solution Therein, and Method for Storing or Transporting Said Aqueous Solution
    Publication number: 20220153584
    Abstract: An aqueous solution containing an alkali metal bis(fluorosulfonyl)imide, in which a total content of the alkali metal bis(fluorosulfonyl)imide and water is 98 mass % or more with respect to a total amount of the aqueous solution, and a pH is ?3 to 10.
    Type: Application
    Filed: March 17, 2020
    Publication date: May 19, 2022
    Applicant: Nippon Shokubai Co., Ltd.
    Inventors: Koji Shingubara, Yasunori Okumura, Masayuki Okajima, Naohiko Itayama, Yusuke Oyama
  • Regeneration method of solid catalyst
    Patent number: 11273434
    Abstract: The present invention aims to provide a regeneration method capable of sufficiently restoring the catalytic performance of a solid catalyst used in a dehydration reaction of lactic acid and derivatives thereof. The present invention relates to a method for regenerating a solid catalyst used in a dehydration reaction of lactic acid and derivatives of lactic acid, the method including a contacting step of bringing a solid catalyst containing a component that forms a molten salt in the presence of steam into contact with oxygen and steam under pressure.
    Type: Grant
    Filed: October 6, 2017
    Date of Patent: March 15, 2022
    Assignees: THE PROCTER & GAMBLE COMPANY, NIPPON SHOKUBAI CO., LTD.
    Inventors: Juan Estaban Velasquez, Dimitris Ioannis Collias, Jane Ellen Godlewski, Motosuke Imada, Koji Shingubara, Masashi Tonoya, Shinji Kanbara, Masaki Okada, Tomoharu Oku, Hideaki Tsuneki, Masanori Nonoguchi
  • REGENERATION METHOD OF SOLID CATALYST
    Publication number: 20190105651
    Abstract: The present invention aims to provide a regeneration method capable of sufficiently restoring the catalytic performance of a solid catalyst used in a dehydration reaction of lactic acid and derivatives thereof. The present invention relates to a method for regenerating a solid catalyst used in a dehydration reaction of lactic acid and derivatives of lactic acid, the method including a contacting step of bringing a solid catalyst containing a component that forms a molten salt in the presence of steam into contact with oxygen and steam under pressure.
    Type: Application
    Filed: October 6, 2017
    Publication date: April 11, 2019
    Applicants: THE PROCTER & GAMBLE COMPANY, NIPPON SHOKUBAI CO., LTD.
    Inventors: Juan Estaban VELASQUEZ, Dimitris Ioannis COLLIAS, Jane Ellen GODLEWSKI, Motosuke IMADA, Koji SHINGUBARA, Masashi TONOYA, Shinji KANBARA, Masaki OKADA, Tomoharu OKU, Hideaki TSUNEKI, Masanori NONOGUCHI