Patents by Inventor Masayosi Murayama

Masayosi Murayama 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 composition
    Patent number: 4341659
    Abstract: There is disclosed a catalytic composition represented by the formula:(Mo).sub.a (W).sub.b (Bi).sub.c (Pb).sub.d (Sb).sub.e (K).sub.f (P).sub.g (O).sub.hin which a, b, c, d, e, f, g and h stand for the numbers of atoms for molybdenum, tungsten, bismuth, lead, antimony, potassium, phosphorus and oxygen elements respectively, wherein, given that a+b=12,0.ltoreq.b.ltoreq.70.4.ltoreq.c.ltoreq.72.ltoreq.d.ltoreq.120.005.ltoreq.e/a.ltoreq.1.140.ltoreq.f/a.ltoreq.0.1360.ltoreq.g/a.ltoreq.0.54, andh is one-half the sum of the products of the valences and the numbers of atoms for the individual constituent elements other than oxygen.
    Type: Grant
    Filed: July 22, 1980
    Date of Patent: July 27, 1982
    Assignee: Mitsubishi Chemical Industries, Limited
    Inventors: Yoichi Kageyama, Masakatsu Hatano, Toru Koyama, Takao Kaneko, Masayosi Murayama, Kazunori Oshima