Patents by Inventor Morihisa Hidaki

Morihisa Hidaki 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).

  • Process for refining an ammonia synthesis gas
    Patent number: 4624841
    Abstract: The synthesis gas for an ammonia synthesis process is refined by treating same in an adsorption-desorption unit to remove nitrogen either during the carbon oxide removal step or in the ammonia synthesis loop.
    Type: Grant
    Filed: January 22, 1985
    Date of Patent: November 25, 1986
    Assignee: Toyo Engineering Corporation
    Inventor: Morihisa Hidaki