Patents by Inventor Atsuko Kawahara

Atsuko Kawahara 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).

  • Patent number: 8158814
    Abstract: An object of the present invention is to provide insecticides having high effectiveness.
    Type: Grant
    Filed: August 23, 2004
    Date of Patent: April 17, 2012
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Kei Yoshida, Takeo Wakita, Hiroyuki Katsuta, Akiyoshi Kai, Yutaka Chiba, Kiyoshi Takahashi, Hiroko Kato, Nobuyuki Kawahara, Michikazu Nomura, Hidenori Daido, Junji Maki, Shinichi Banba, Atsuko Kawahara
  • Publication number: 20110201687
    Abstract: An amide derivative represented by the following Formula (1) is provided as an amide derivative showing a significantly excellent effect for a pest control action. In the following Formula (1), A represents a carbon atom, a nitrogen atom, or the like, and K represents a non-metal atomic group necessary for forming a cyclic linking group derived from benzene or a heterocyclie. X represents a halogen atom or the like; n represents an integer of from 0 to 4. R1 and R2 represent hydrogen atoms, alkyl groups, or the like. T represents —C(=G1)-Q1 or —C(=G1)-G2Q2, and G1 to G3 each represent oxygen atoms or the like. Q1 and Q2 each represent a hydrogen atom, an alkyl group, an aryl group, or the like. Y1 and Y5 each represent a halogen atom or the like, Y2 and Y4 each represent a hydrogen atom or the like, and Y3 represents a C2-C5 haloalkyl group.
    Type: Application
    Filed: January 28, 2011
    Publication date: August 18, 2011
    Applicant: MITSUI CHEMICALS AGRO, INC.
    Inventors: Yumi Kobayashi, Hidenori Daido, Hiroyuki Katsuta, Michikazu Nomura, Hidetaka Tsukada, Atsushi Hirabayashi, Yusuke Takahashi, Yoji Aoki, Atsuko Kawahara, Yasuaki Fukazawa, Mai Hirose
  • Publication number: 20110137068
    Abstract: An amide derivative represented by Formula (3), which exhibits excellent efficacy in pest control effect, is produced by allowing a compound represented by the following Formula (1) and a compound represented by Formula (2) to react with each other. In Formula (1) to Formula (3), Y1 and Y2 each represent a halogen atom or a haloalkyl group; Rf represents a C3-C4 perfluoroalkyl group; and R1 and R2 each represent a hydrogen atom or an alkyl group; LG represents a leaving group; T represents a hydrogen atom or a fluorine atom; X1, X3, X4, and X5 each represent a hydrogen atom, a halogen atom, or the like; and A represents a nitrogen atom, a methine group, or the like.
    Type: Application
    Filed: August 13, 2009
    Publication date: June 9, 2011
    Applicant: MITSUI CHEMICALS AGRO, INC.
    Inventors: Youji Aoki, Yumi Kobayashi, Hidenori Daido, Hiroyuki Katsuta, Hidetaka Tsukada, Atsushi Hirabayashi, Yusuke Takahashi, Michikazu Nomura, Atsuko Kawahara
  • Publication number: 20070027154
    Abstract: An object of the present invention is to provide insecticides having high effectiveness.
    Type: Application
    Filed: August 23, 2004
    Publication date: February 1, 2007
    Applicant: MITSUI CHEMICALS., INC.
    Inventors: Kei Yoshida, Takeo Wakita, Hiroyuki Katsuta, Akiyoshi Kai, Yutaka Chiba, Kiyoshi Takahashi, Hiroko Kato, Nobuyuki Kawahara, Michikazu Nomura, Hidenori Daido, Junji Maki, Shinichi Banba, Atsuko Kawahara
  • Publication number: 20030013684
    Abstract: Leaching of a chemical substance as an agriculturally active ingredient can be effectively inhibited by applying the chemical substance together with a tannin.
    Type: Application
    Filed: May 15, 2002
    Publication date: January 16, 2003
    Inventors: Atsuko Kawahara, Koichi Morinaga, Masahiko Nakamura, Seiichi Shimono, Yasunori Fumoto, Shuji Ozawa