Patents by Inventor Kozo Hiraishi

Kozo Hiraishi 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).

  • Herbicidal amide compounds and their uses
    Patent number: 4657581
    Abstract: An amide compound of formula 1: ##STR1## wherein R is 1,2,3,4-tetrahydro-1-naphthyl, 1,4-dihydro-1-naphthyl or 3,4-dihydro-1-naphthyl; R.sub.1 is hydrogen or methyl; R.sub.2 is hydrogen or an alkyl; Ar is a phenylene group; and X is hydrogen, a halogen, methyl or methoxy. This amide is useful as a herbicide.
    Type: Grant
    Filed: May 13, 1985
    Date of Patent: April 14, 1987
    Assignee: Sanyo Chemical Industries, Ltd.
    Inventors: Tetsuo Takematsu, Yasutomo Takeuchi, Kozo Hiraishi, Toshikazu Fujii, Shoji Nishimula, Motoyuki Suzuki, Masahiro Sato, Hiroshi Hayashi