Patents by Inventor Mitsuo Asada

Mitsuo Asada 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).

  • 2-(5-Ethyl-6-bromothiazolo[3,2-b]-5-triazolyl)thiophosphonate esters, compositions and method of use
    Patent number: 4024252
    Abstract: A compound of the formula ##STR1## WHEREIN R.sub.1 is alkyl having 1 to 3 carbon atoms; is useful as insecticide.
    Type: Grant
    Filed: June 19, 1975
    Date of Patent: May 17, 1977
    Assignee: Nippon Soda Company Limited
    Inventors: Mitsuo Asada, Meiki Ando, Michihiko Matsuda, Tomio Yamada, Hitoshi Watanabe, Saburo Kano, Osami Nomura
  • Herbicidal composition of 3,4-dihydro-2H-pyrane-2,4-diones and methods
    Patent number: 3989504
    Abstract: A compound of the formula ##SPC1##Wherein X is hydrogen or halogen:R.sub.1 is alkyl having six or less carbon atoms or phenyl;R.sub.2 is alkyl having 1 to 20 carbon atoms or haloalkyl having six or less carbon atoms or phenyl or phenyl substituted with halogene or nitro or benzyl or phenoxymethyl or 2-phenylvinyl;R.sub.3 is hydrogen or alkyl having 1 to 10 carbon atoms or alkenyl having six or less carbon atoms or alkynyl having six or less carbon atoms or benzyl; a proviso that R.sub.1 and R.sub.2 do not simultaneously represent a methyl group,Is useful as herbicide.
    Type: Grant
    Filed: July 3, 1975
    Date of Patent: November 2, 1976
    Assignee: Nippon Soda Company Limited
    Inventors: Mikio Sawaki, Isao Iwataki, Yoshihiko Hirono, Hisao Ishikawa, Shozo Yamada, Yasushi Yasuda, Mitsuo Asada
  • Certain thiazolotriazolyphosphonothioates used as insecticides
    Patent number: 3970751
    Abstract: A compound represented by the formula ##SPC1##WhereinR.sub.1 and R.sub.2 are lower alkyl having six or less carbon atoms,X is bromine is used to combat phylophogous insects.
    Type: Grant
    Filed: January 30, 1975
    Date of Patent: July 20, 1976
    Assignee: Nippon Soda Company Limited
    Inventors: Saburo Kano, Osami Nomura, Mitsuo Asada, Meiki Ando, Michihiko Matsuda, Tomio Yamada, Hitoshi Watanabe, Takuzo Taniguchi
  • O,O-Diethyl-2-(5-ethyl-6-bromothiazolo[3,2-b]-s-triazolyl)thionophosphate
    Patent number: 3948926
    Abstract: A compound represented by the formula ##SPC1##WhereinR, r.sub.1 and R.sub.2 are lower alkyl having six or less carbon atoms;X is halogen.
    Type: Grant
    Filed: October 10, 1974
    Date of Patent: April 6, 1976
    Inventors: Saburo Kano, Osami Nomura, Mitsuo Asada, Meiki Ando, Michihiko Matsuda, Tomio Yamada, Hitoshi Watanabe, Takuzo Taniguchi