Patents by Inventor Mithuo Itakura

Mithuo Itakura 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).

  • Substituted propargyloxyacetonitrile derivatives, process for production thereof, and herbicide and agricultural-horticultural fungicide comprising said derivatives as active ingredients
    Patent number: 4592773
    Abstract: Substituted propargyloxyacetonitrile derivative represented by the general formula (I) ##STR1## wherein R represents a hydrogen atom, a halogen atom, a lower alkyl group, a lower haloalkyl group, a lower alkoxy group, a methylenedioxy group, a nitro group or a cyano group, n represents an integer of 1 to 5 and when n is an integer of 2 or more, R's may be identical or different, R.sup.1 represents a hydrogen atom or a lower alkyl group, and R.sup.2 represents a hydrogen atom, a lower alkyl group, a lower haloalkyl group or a halogen atom, provided that R.sup.1 and R.sup.2 are not simultaneously hydrogen atoms.The compounds have herbicidal and fungicidal activities.
    Type: Grant
    Filed: August 5, 1985
    Date of Patent: June 3, 1986
    Assignee: Mitsui Toatsu Chemicals, Incorporated
    Inventors: Yoshinori Tanaka, Kazuya Sakai, Toshiyuki Kouno, Mithuo Itakura, Koichi Takeuchi, Yuji Enomoto, Hitoshi Shimotori, Shunichi Inami, Yoshikata Hojo, Masahiro Sakakibara