Patents by Inventor Masami Kayamoto

Masami Kayamoto 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).

  • Patent number: 4388222
    Abstract: This invention relates to improvements in substrates containing alumina and a Group IV-B oxide and in producing the same and in processes of producing hydrodesulfurizing catalysts based on Group VIII and Group VI-B in the catalysts employing such substrates, and hydrodesulfurizing process employing the same.
    Type: Grant
    Filed: June 7, 1979
    Date of Patent: June 14, 1983
    Assignee: Filtrol Corporation
    Inventors: Geoffrey Wilson, Masami Kayamoto
  • Patent number: 4382854
    Abstract: This invention relates to improvements in substrates containing alumina and a Group IV-B oxide and in producing the same and in processes of producing hydrodesulfurizing catalysts based on Group VIII and Group VI in the catalysts employing such substrates, and hydrodesulfurizing process employing the same.
    Type: Grant
    Filed: December 16, 1980
    Date of Patent: May 10, 1983
    Assignee: Kaiser Aluminum & Chemical Corporation
    Inventors: Geoffrey Wilson, Masami Kayamoto
  • Patent number: 4196101
    Abstract: Shaped alumina pellets containing titania, catalysts employing the same, and process for producing the same.
    Type: Grant
    Filed: February 3, 1978
    Date of Patent: April 1, 1980
    Assignee: Filtrol Corporation
    Inventors: Geoffrey R. Wilson, Masami Kayamoto
  • Patent number: 4018714
    Abstract: A shaped hydrodesulfurization catalyst comprising a nonzeolitic substrate impregnated with a Group VI and a Group VIII catalytic metal and with a Group IV-B promoter and having a high resistance to abrasion and a process of producing the same employing a substantially nonacid Group IV-B metal compound as the source of the Group IV-B promoter.
    Type: Grant
    Filed: December 3, 1975
    Date of Patent: April 19, 1977
    Assignee: Filtrol Corporation
    Inventors: Geoffrey R. Wilson, Masami Kayamoto