Patents by Inventor Ichiki Takemoto

Ichiki Takemoto 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).

  • N'-[4-(substituted phenethyloxy)phenyl]-N-methyl-N-methoxyurea
    Patent number: 4129436
    Abstract: An N'-[4-(substituted phenethyloxy)phenyl]-N-methyl-N-methoxyurea of the formula: ##STR1## wherein X.sub.1 is a hydrogen atom or a methyl group and X.sub.2 is a C.sub.1 -C.sub.5 alkyl or a C.sub.1 -C.sub.5 alkoxy group, which shows a pronounced herbicidal activity against a wide variety of weeds in the cultivation of soybean, peanut, cotton, corn, wheat or rice plants without any material toxicity to mammals, fishes and said crop plants.
    Type: Grant
    Filed: March 1, 1978
    Date of Patent: December 12, 1978
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Ichiki Takemoto, Ryo Yoshida, Seizo Sumida, Katsuzo Kamoshita
  • N-(4-substituted benzyloxy)phenyl)-N-methyl-N-methoxyurea
    Patent number: 4123256
    Abstract: An N-[4-(substituted benzyloxy)phenyl]-N'-methyl-N'-methoxyurea of the formula: ##STR1## wherein X, which may be the same or different, is halogen, nitro, cyano, trifluoromethyl, lower alkyl or lower alkoxy and n is an integer of 1 to 5, which shows a pronounced herbicidal activity against a wide variety of weeds in the cultivation of soybean, kidney bean, peanut, cotton or rice plants without any material toxicity to mammals and said crop plants.
    Type: Grant
    Filed: September 22, 1977
    Date of Patent: October 31, 1978
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Ryo Yoshida, Ichiki Takemoto, Seizo Sumida, Katsuzo Kamoshita