Patents by Inventor Tsuguhiro Katoh

Tsuguhiro Katoh 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).

  • Wood preservatives
    Patent number: 5693644
    Abstract: A wood preservative comprising a pyridylpyrimidine compound of the formula ?I! ##STR1## wherein R represents a hydrogen atom, a lower alkyl group, a lower alkoxy group as an active ingredient, which has a high wood-preserving efficacy.
    Type: Grant
    Filed: August 17, 1995
    Date of Patent: December 2, 1997
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Tomohiro Teramae, Tsuguhiro Katoh
  • Dithiocarbonimide derivatives useful as acaricidal, fungicidal, and insecticidal agents
    Patent number: 5563159
    Abstract: There is disclosed a dithiocarbonimide derivative of the formula: ##STR1## wherein B is a C.sub.1 -C.sub.6 alkyl group; X is an NH group or an oxygen atom and Y is a nitrogen atom or a CH group, A is a phenyl group, a heterocyclic group, an alkyl group, an alkenyl group, an alkynyl group, a cycloalkyl group, a cycloalkenyl group, a bicycloalkyl group or a tricycloalkyl group, all of which may be substituted. Also disclosed are a fungicidal/insecticidal/acaricidal agent containing the dithiocarbonimide derivative as an active ingredient, an intermediate for use in the production of the dithiocarbonimide derivative, and a process for producing the dithiocarbonimide derivative from the intermediate.
    Type: Grant
    Filed: December 2, 1994
    Date of Patent: October 8, 1996
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Tomoyuki Kusaba, Tadashi Ohsumi, Tsuguhiro Katoh, Makoto Fujimura, Norio Kimura, Kazuya Ujihara, Kimitoshi Umeda
  • Acrylic acid derivatives, a fungicide containing them as an active ingredient, and intermediate compounds thereof
    Patent number: 5322845
    Abstract: An acrylic acid compound useful for fungicides is provided. The compound has the following formula (I) ##STR1## wherein X represents a phenyl group which may be substituted, or a methylene group, n represents 0 or 1, Y represents an oxygen atom or a sulfur atom, Z represents a phenyl group, an aralkyl group, an aromatic heterocyclyl group or an aromatic heterocyclylmethylene group and Z may be substituted.
    Type: Grant
    Filed: October 1, 1992
    Date of Patent: June 21, 1994
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Tsuguhiro Katoh, Atsuo Mizuguchi, Hirotaka Takano
  • Pyridinylpyrimidine derivatives, method for production thereof and a fungicide containing them as the active ingredient
    Patent number: 4927827
    Abstract: A novel pyridinylpyrimidine derivative of the formula below, a method for preparation thereof and a fungicide containing it, ##STR1## which is effective as a fungicide.
    Type: Grant
    Filed: May 19, 1988
    Date of Patent: May 22, 1990
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Tsuguhiro Katoh, Kiyoto Maeda, Masao Shiroshita, Norihisa Yamashita, Yuzuru Sanemitsu, Satoru Inoue, Masayo Sugano, Hirotaka Tanako
  • Amide derivatives, and their production and agricultural fungicides containing them
    Patent number: 4918089
    Abstract: An amide compound of the formula: ##STR1## wherein R.sup.1 and R.sup.2 are, the same or different, each a hydrogen atom or a C.sub.1 -C.sub.3 alkyl group and R.sup.3 is a 2-furyl group, a 3-furyl group, a 2-thienyl group or a 3-thienyl group, which is useful as an agricultural fungicide.
    Type: Grant
    Filed: August 22, 1989
    Date of Patent: April 17, 1990
    Assignee: Sumitomo Chemical Company Limited
    Inventors: Tomoyuki Kusaba, Kazue Shinsugi, Tsuguhiro Katoh, Naoto Meki, Masayo Sugano, Tomohiro Teramae, Yukio Oguri, Tamon Uematsu
  • Pyridinylpyrimidines having fungicidal activity
    Patent number: 4873248
    Abstract: A novel pyridinylpyrimidine derivative of the formula below, a method for preparation thereof and a fungicide containing it, ##STR1## which is effective as a fungicide.
    Type: Grant
    Filed: December 3, 1987
    Date of Patent: October 10, 1989
    Assignee: Sumitomo Chemical Co., Ltd.
    Inventors: Tsuguhiro Katoh, Kiyoto Maeda, Masao Shiroshita, Norihisa Yamashita, Yuzuru Sanemitsu, Satoru Inoue
  • Pyridinyl-s-triazine derivatives
    Patent number: 4868178
    Abstract: A novel pyridinyl-s-triazine derivative of the formula below, a method for preparation thereof and a fungicide containing it, ##STR1## which is effective as fungicide.
    Type: Grant
    Filed: February 8, 1988
    Date of Patent: September 19, 1989
    Assignee: Sumitomo Chemical Company, Ltd.
    Inventors: Tsuguhiro Katoh, Kiyoto Maeda, Masao Shiroshita, Norihisa Yamashita, Yuzuru Sanamitsu, Satoru Inoue
  • Novel pyridinylpyrimidine derivatives, method for production thereof and a plant disease protectant containing them as the active ingredient
    Patent number: 4783466
    Abstract: A novel pyridinylpyrimidine derivative of the formula below, a method for preparation thereof and a plant disease protectant containing it, ##STR1## which is effective as a plant disease protectant.
    Type: Grant
    Filed: September 8, 1987
    Date of Patent: November 8, 1988
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Tsuguhiro Katoh, Kiyoto Maeda, Masao Shiroshita, Norihisa Yamashita, Yuzuru Sanemitsu, Satoru Inoue
  • Certain tri- or tetra-substituted pyridyl-1,2,4-triazoles useful as fungicides
    Patent number: 4769376
    Abstract: A novel pyridine derivative represented by the formula below, a method for preparation thereof and a plant disease protectant containing it, ##STR1## wherein R.sup.1 is a C.sub.1 -C.sub.7 alkyl group; R.sup.2 is a hydrogen atom or a C.sub.1 -C.sub.2 alkyl group, R.sup.3 is a C.sub.1 -C.sub.4 alkyl group; and R.sup.4 is a C.sub.2 -C.sub.8 alkyl group; a C.sub.3 -C.sub.7 cycloalkyl group or a C.sub.4 -C.sub.7 alkylcycloalkyl group, or a C.sub.1 -C.sub.3 alkyl group substituted with a C.sub.3 -C.sub.7 cycloalkyl group, which is effective as a plant disease protectant.
    Type: Grant
    Filed: September 5, 1986
    Date of Patent: September 6, 1988
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Tsuguhiro Katoh, Kiyoto Maeda, Masao Shiroshita, Norihisa Yamashita, Yuzuru Sanemitsu, Satoru Inoue
  • Fungicidal pyridinylpyrimidine derivatives
    Patent number: 4752608
    Abstract: A novel pyridinyl pyrimidine derivative of the formula below, a method for preparation thereof and a plant disease protectant containing it, ##STR1## which is effective as a plant disease protectant.
    Type: Grant
    Filed: December 3, 1986
    Date of Patent: June 21, 1988
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Tsuguhiro Katoh, Kiyoto Maeda, Masao Shiroshita, Norihisa Yamashita, Yuzuru Sanemitsu, Satoru Inoue