Patents by Inventor Shiokawa Kozo

Shiokawa Kozo 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).

  • Insecticidally active nitro guanidine compounds
    Patent number: 5051434
    Abstract: Insecticidal novel nitro compounds of the formula ##STR1## in which R.sup.1 and R.sup.2 are hydrogen or C.sub.1-4 alkyl, R.sup.3 is --S--R.sup.4 or ##STR2## in which R.sup.4 is C.sub.1-4 alkyl, R.sup.5 and R.sup.6 are hydrogen or C.sub.1-4 alkyl,Y is CH or N, andZ is a five- or six-membered heterocyclic group having at least one nitrogen atom which may be substituted by halogen or C.sub.1-4 alkyl, provided that where Y is CH,then R.sup.1 is C.sub.1-4 alkyl.
    Type: Grant
    Filed: November 16, 1989
    Date of Patent: September 24, 1991
    Assignee: Nihon Tokushu Noyaku Seizo K.K.
    Inventors: Shiokawa Kozo, Shinichi Tsuboi, Koichi Moriya, Yumi Hattori, Ikuro Honda, Katsuhiko Shibuya