Patents by Inventor Taisuke Kurechi

Taisuke Kurechi 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).

  • Herbicidal composition
    Patent number: 4217131
    Abstract: Employment of N-(butoxymethyl)-2-chloro-2',6'-diethyl acetanilide in combination with at least one .alpha.-(.beta.-naphthoxy)-propionic acid derivative as active ingredients provides an excellent herbicidal composition effective on a variety of weeds.
    Type: Grant
    Filed: September 12, 1975
    Date of Patent: August 12, 1980
    Assignee: Mitsui Toatsu Chemicals, Incorporated
    Inventors: Teruhiko Toyama, Osamu Morikawa, Toshimi Tanaka, Yoshikata Hojo, Yoshio Takasawa, Taisuke Kurechi
  • Herbicides
    Patent number: 3969102
    Abstract: 2,4-Dichloro-3'-(.beta.-chloroethoxy)-4'-nitrodiphenyl ether is prepared by condensing 2,3',4-trichloro-4'-nitrodiphenyl ether with ethyleneglycol in the presence of an acid-binding agent and then chlorinating the hydroxyethoxy group of the resulting condensate. This compound posesses an excellent herbicidal activity to a wide variety of undesirable weeds with an extremely low phyto-toxicity to useful crops.
    Type: Grant
    Filed: August 21, 1974
    Date of Patent: July 13, 1976
    Assignee: Mitsui Toatsu Chemicals, Incorporated
    Inventors: Takeo Yoshimoto, Keiichi Igarashi, Takeo Harayama, Masaaki Ura, Naoki Sato, Teruhiko Toyama, Osamu Morikawa, Yoshio Takasawa, Taisuke Kurechi