Patents Assigned to Nihon Tokushu Noyaku Seizo Kabushiki Kaisha
  • Combating pests with O-ethyl-S-propyl-thionothiol or dithiophosphoric acid phenyl or naphthyl esters
    Patent number: 4013793
    Abstract: O-ethyl-S-n-propyl-dithiophosphoric acid phenyl or naphthyl esters, i.e. O-ethyl-S-n-propyl-O- or S-optionally substituted phenyl or naphthyl-phosphorothionothiol- or dithiolates, of the formula ##STR1## in which X is an oxygen or sulfur atom, andZ is a group of the formula ##STR2## Y is a halogen atom or a lower alkyl, lower alkoxy, lower alkylmercapto, lower alkylsufinyl, nitro, cyano or phenyl group, andm is 0, 1, 2 or 3,Which possess insecticidal, acaricidal and nematocidal properties.
    Type: Grant
    Filed: April 25, 1975
    Date of Patent: March 22, 1977
    Assignee: Nihon Tokushu Noyaku Seizo Kabushiki Kaisha
    Inventors: Shigeo Kishino, Akio Kudamatsu, Iwao Takase, Kozo Shiokawa, Shin-ichi Yamaguchi
  • Novel antifungal antibiotic substance, and agricultural and horticultural fungicidal composition containing said substance
    Patent number: 3956487
    Abstract: The antifungal antibiotic substance "F-1028" having the following formula, ##EQU1## or an acid salt thereof, a process for the production of the same by fermentation, and a fungicidal composition useful for agricultural and horticultural use.
    Type: Grant
    Filed: March 20, 1974
    Date of Patent: May 11, 1976
    Assignees: Nihon Tokushu Noyaku Seizo Kabushiki Kaisha, The Kitasato Institute
    Inventors: Toju Hata, Satoshi Omura, Michiko Katagiri, Juichi Awaya, Shimpei Kuyama, Shizuo Higashikawa, Kazuomi Yasui, Haruko Terada
  • Method for increasing yield of silkworm cocoons employing juvenile and moulting hormones
    Patent number: 3941879
    Abstract: Quality silkworm cocoons are obtained in a high yield per unit rearing time and per unit amount of feedstuff by administering insect juvenile hormonal factors to the silkworm larvae at an early stage of their final instar and administering insect moulting hormonal factors at a later stage of their final instar.
    Type: Grant
    Filed: December 13, 1973
    Date of Patent: March 2, 1976
    Assignees: Takeda Chemical Industries, Ltd., Nihon Tokushu Noyaku Seizo Kabushiki Kaisha
    Inventors: Tetsuo Okauchi, Shoji Takamuku, Saburo Tamura, Seifun Chou