Patents by Inventor Hirofumi Mishima

Hirofumi Mishima 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).

  • 6-Hydroxy-5,6-dihydrouracil compound and herbicidal composition containing thereof
    Patent number: 6410484
    Abstract: A 5,6-dihydrouracil compound given by the formula [I]: wherein, R1 represents C1-C2 haloalkyl group and Q represents Q1 of the formula below, etc.: wherein, R3 is hydrogen atom or halogen atom, R15 is C3-C6 alkynyl group, etc., Z is oxygen atom, sulfur atom or NH group, and T is direct bond or methylene group, has an excellent herbicidal efficacy.
    Type: Grant
    Filed: October 30, 2000
    Date of Patent: June 25, 2002
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Minoru Takano, Hirofumi Mishima
  • Process for producing 3-phenyluracil compounds
    Patent number: 6339155
    Abstract: The uracil compounds represented by the formula [V]: wherein R1 represents C1-C5 perfluoroalkyl group and Q represents an aromatic group, can be produced by making the amide compounds represented by the formula [II]: wherein R1 and Q have the same meanings defined above, or its hydrate react with a cyanate salt in the presence of a protonic acid.
    Type: Grant
    Filed: November 13, 2000
    Date of Patent: January 15, 2002
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Minoru Takano, Hirofumi Mishima