Patents by Inventor Kunio Mukai

Kunio Mukai 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).

  • Phosphorus nematocides
    Patent number: 3952100
    Abstract: Phosphorodithiolate compounds of the formula: ##EQU1## wherein R.sub.1 is methyl or ethyl, R.sub.2 is allyl or halogen-substituted allyl and R is n-propyl or n-butyl, provided that R is n-propyl when R.sub.2 is halogen-substituted allyl and R is n-butyl when R.sub.2 is allyl, which are useful as nematocides controlling a wide variety of injurious nematodes and giving little phytotoxicity to plants.
    Type: Grant
    Filed: July 25, 1974
    Date of Patent: April 20, 1976
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Keimei Fujimoto, Kunio Mukai, Takaji Yamamoto, Kouichi Ishibe
  • Novel oximino -phosphorothiolate derivatives
    Patent number: 3949023
    Abstract: Oximino-phosphorothiolate derivatives represented by the formula, ##EQU1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are as hereinafter defined, which are useful as a controlling agent for agricultural pests containing the oximino-phosphorothiolate derivatives as active ingredients, as well as processes for preparing the compounds and the composition are disclosed.
    Type: Grant
    Filed: December 6, 1973
    Date of Patent: April 6, 1976
    Assignee: Sumitomo Chemical Co., Ltd.
    Inventors: Mitsuru Sasaki, Isao Ohno, Hisami Takeda, Takeo Satomi, Kunio Mukai
  • Phosphorothionoamidates
    Patent number: 3943203
    Abstract: A phosphorothionoamidate of the formula, ##SPC1##Wherein R.sub.1 is a C.sub.3 - C.sub.4 alkyl, R.sub.2 is a C.sub.1 - C.sub.4 alkyl, and n is an integer of 1 to 3, which is useful as a herbicide.
    Type: Grant
    Filed: October 5, 1971
    Date of Patent: March 9, 1976
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Takeo Satomi, Kunio Mukai, Akihiko Mine, Naganori Hino, Kohshi Tateishi
  • O-Ethyl-O-(3-methyl-6-nitrophenyl)-n-secondary butyl-phosphorothionoamidate
    Patent number: 3936433
    Abstract: 0-ALKYL-O-(3-methyl-6-nitrophenyl)-N-secondary butyl-phosphorothionoamidate, which possesses herbicidal properties.
    Type: Grant
    Filed: May 29, 1974
    Date of Patent: February 3, 1976
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Takeo Satomi, Kunio Mukai, Akihiko Mine, Naganori Hino, Kohshi Tateishi, Masachika Hirano