Patents by Inventor Seiichi Hirane

Seiichi Hirane 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).

  • Phosphoro-amido-thioates
    Patent number: 3948631
    Abstract: Phosphoro-amido-thioates, i.e. O-alkyl-O-[2-nitro-4-(alkyl, alkoxy and chloro)-phenyl]-N-alkyl-phosphoro-amido-thioates and O-alkyl-O-[2-nitro-4-(optionally alkyl, alkoxy and chloro)-phenyl]-N-cycloalkyl-phosphoro-amido-thioates, or O-alkyl-O-[2-nitro-4-(alkyl, alkoxy and chloro)-phenyl]-N-alkyl-amido-thionophosphates and O-alkyl-O-[2-nitro-4-(optionally alkyl, alkoxy and chloro)-phenyl]-N-cycloalkyl-amido-thionophosphates, which possess herbicidal properties and which may be produced by conventional methods.
    Type: Grant
    Filed: August 1, 1973
    Date of Patent: April 6, 1976
    Assignee: Bayer Aktiengesellschaft
    Inventors: Gerhard Schrader, Ludwig Eue, Helmuth Hack, Seiichi Hirane, Masahiro Aya, Shigeo Kishino, Nobuo Fukazawa