Patents by Inventor Kunichi Matsushita

Kunichi Matsushita 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).

  • Catalytic reduction of nitrogen oxides
    Patent number: 4224292
    Abstract: Nitrogen oxides in exhaust gases are catalytically reduced in the presence of oxygen and ammonia at 200.degree. to 600.degree. C. over a catalyst of at least one catalyst component selected from the group consisting of compounds of metals of Groups 1B, 5A, 6A, 7A and 8 of the periodic table, and lanthanides and tin which is supported on a specific carrier comprising a main component of calcium silicate.
    Type: Grant
    Filed: December 5, 1978
    Date of Patent: September 23, 1980
    Assignee: Mitsubishi Chemical Industries, Limited
    Inventors: Mitsuo Uchida, Takeshi Okano, Kunichi Matsushita, Yasuo Oguri, Junji Saito, Takao Kaneko
  • Process for preparing titanium oxide shaped carrier
    Patent number: 4061596
    Abstract: A process for preparing a shaped titanium oxide catalyst carrier which comprises calcining titanium oxide at 400.degree. C-800.degree. C as a first calcining step, then shaping the titanium oxide followed by calcining the shaped material at 300.degree. C-800.degree. C as a second calcining step.
    Type: Grant
    Filed: December 2, 1975
    Date of Patent: December 6, 1977
    Assignee: Mitsubishi Chemical Industries Ltd.
    Inventors: Kunichi Matsushita, Hikaru Sakurada, Kazuhiko Onuma
  • Catalyst for selective reduction of nitrogen oxides
    Patent number: 4048112
    Abstract: A catalyst for the selective reduction of nitrogen oxides in exhaust gases in the presence of ammonia is vanadium oxide supported on a specific carrier of the anatase form of titanium oxide.
    Type: Grant
    Filed: May 12, 1976
    Date of Patent: September 13, 1977
    Assignee: Mitsubishi Chemical Industries Ltd.
    Inventors: Kunichi Matsushita, Hikaru Sakurada, Kazuhiko Onuma, Shinichi Fujii