Patents by Inventor Kazuo Akihiro

Kazuo Akihiro 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).

  • 5-Methylthiopyrimidine derivatives, their preparation process and fungicides containing same as active ingredients
    Patent number: 4540698
    Abstract: Disclosed herein are a novel compound, 5-methylthiopyrimidine derivative, notably that represented by the following general formula: ##STR1## wherein X means an oxygen or sulfur atom and R.sup.2 denotes a methyl, allyl or propargyl group, its preparation process and an agricultural and horticultural fungicide containing same as an active ingredient. The above compound exhibits outstanding control effects against plant diseases, especially, late blight of potatoes and the like and downly mildew. It permits preparation of an ideal agricultural and horticultural fungicide owing to its very low toxicity against mammal and fish and its no phytotoxicity.
    Type: Grant
    Filed: January 14, 1983
    Date of Patent: September 10, 1985
    Assignee: Mitsui Toatsu Chemicals, Incorporated
    Inventors: Katsutoshi Ishikawa, Hitoshi Shimotori, Noboru Iida, Kazuo Akihiro, Shuji Ozawa