Patents by Inventor Eiichi Shibuya

Eiichi Shibuya 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).

  • Catalyst for treating exhaust gases containing dioxines, production process for the catalyst and method of treating the exhaust gases
    Patent number: 5783515
    Abstract: A catalyst including a first catalyst ingredient which is at least one element selected from a group consisting of Pt, Pd and Ir, or oxides thereof; and further able to include at least one element selected from a group consisting of Au, Ag, Cu, Fe, Sb, Se, Te and Ta, or oxides thereof, as a second catalyst ingredient, carried on at least one of a silica-boria-alumina composite oxide or a zeolite with a silica-to-alumina molar ratio of more than 30, in amounts of from 0.1 to 10 g of the first catalyst ingredient and from 0.01 to 5 g of the second catalyst ingredient based on one liter of the catalyst with the second to first catalyst ingredient weight ratio being less than 1.
    Type: Grant
    Filed: December 27, 1995
    Date of Patent: July 21, 1998
    Assignees: N.E. Chemcat Corporation, NKK Corporation
    Inventors: Toshihiko Sakurai, Toshihiko Iwasaki, Eiichi Shibuya