Patents by Inventor Shinichi Imaizumi

Shinichi Imaizumi 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).

  • Bicyclo[4,1,0]heptane-2,4-dion derivatives, its synthetic intermediates and process for the manufacture thereof
    Patent number: 5468905
    Abstract: Compounds represented by general formulas (I) and (II), useful as the intermediates for agricultural chemicals, particularly herbicidal compounds, wherein R.sup.1 and R.sup.2 represent each hydrogen, alkyl or COOR.sup.3 :R.sup.3 represents alkyl: and R.sup.4 represents alkyl.
    Type: Grant
    Filed: May 25, 1994
    Date of Patent: November 21, 1995
    Assignee: Nippon Soda Co., Ltd.
    Inventors: Junji Suzuki, Masami Hatano, Shinichi Imaizumi