Patents by Inventor Ryusei SEZAKI

Ryusei SEZAKI 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).

  • Composition supply method, composition, supply device, and composition filling method
    Patent number: 11896918
    Abstract: The present disclosure provides a method for stably supplying a highly pure n-butylamine gas having a constant composition. The present disclosure is a composition supply method including: a filling step of filling a container with a composition containing n-butylamine in an amount of 99.5% by volume or more and isobutylamine in an amount of 0.001% by volume or more and 0.5% by volume or less; a warming step of warming the container filled with the composition to 50° C. or higher; and a gas supply step of supplying a gas containing n-butylamine and isobutylamine from the warmed container to a predetermined device.
    Type: Grant
    Filed: April 20, 2021
    Date of Patent: February 13, 2024
    Assignee: Central Glass Company, Limited
    Inventors: Masutaka Shinmen, Azusa Miyake, Masayoshi Imachi, Ryusei Sezaki
  • COMPOSITION SUPPLY METHOD, COMPOSITION, SUPPLY DEVICE, AND COMPOSITION FILLING METHOD
    Publication number: 20210331085
    Abstract: The present disclosure provides a method for stably supplying a highly pure n-butylamine gas having a constant composition. The present disclosure is a composition supply method including: a filling step of filling a container with a composition containing n-butylamine in an amount of 99.5% by volume or more and isobutylamine in an amount of 0.001% by volume or more and 0.5% by volume or less; a warming step of warming the container filled with the composition to 50° C. or higher; and a gas supply step of supplying a gas containing n-butylamine and isobutylamine from the warmed container to a predetermined device.
    Type: Application
    Filed: April 20, 2021
    Publication date: October 28, 2021
    Inventors: Masutaka SHINMEN, Azusa MIYAKE, Masayoshi IMACHI, Ryusei SEZAKI