Patents Assigned to Nihon Tokushu Noyaku Seizo K.K.
  • Herbicidally active novel benzazol-2-yloxyacetanilides
    Patent number: 4384881
    Abstract: Substituted acetanilides of the formula ##STR1## in which X is an oxygen atom or a sulfur atom,Y is an alkylthio group having 1 to 4 carbon atoms, andR is an alkyl group having 1 to 4 carbon atoms,which possess herbicidal activity.
    Type: Grant
    Filed: March 26, 1982
    Date of Patent: May 24, 1983
    Assignee: Nihon Tokushu Noyaku Seizo K.K.
    Inventors: Shinpei Kuyama, Masahiro Aya, Junichi Saito
  • Preparation and use of bis-(1-bromo-2,3,3-trichloro-2-propenyl) ether
    Patent number: 4317937
    Abstract: Bis-(1-bromo-2,3,3-trichloro-2-propenyl) ether of the formula ##STR1## is produced by reacting bis-(2,3,3-trichloro-2-propenyl) ether of the formula ##STR2## with bromine under irradiation with light. The end product as produced may be steam distilled in situ, thereby recovering 2,3,3-trichloroacrolein.
    Type: Grant
    Filed: January 7, 1980
    Date of Patent: March 2, 1982
    Assignee: Nihon Tokushu Noyaku Seizo K.K.
    Inventors: Junichi Saito, Toyohiko Kume
  • Pesticidally active O,S-dialkyl-N-substituted-N-sulfonyl-phosphoramidothiolates
    Patent number: 4150155
    Abstract: O,S-Dialkyl-N-substituted N-sulfonyl-phosphoramidothiolates of the formula ##STR1## in which R.sup.1 is ethyl, n-butyl or sec.-butyl,R.sup.2 is alkyl with 1-6 carbon atoms, alkenyl with 2-6 carbon atoms, phenyl, or phenyl substituted with up to two substituents selected from the group consisting of halogen and akyl with 1-6 carbon atoms, andR.sup.3 is alkyl or halogen-substituted alkyl with 1-6 carbon atoms, aralkyl, phenyl or phenyl substituted with up to two substituents selected from the group consisting of halogen, alkyl with 1-6 carbon atoms and nitro,Which possess insecticidal, acaricidal and nematicidal properties.
    Type: Grant
    Filed: September 19, 1977
    Date of Patent: April 17, 1979
    Assignee: Nihon Tokushu Noyaku Seizo K.K.
    Inventors: Shigeo Kishino, Junichi Saito, Akio Kudamatsu, Kozo Shiokawa, Shinichi Tsuboi
  • Combating fungi with new N-4-halobenzyl-N-cycloalkyl-N'-phenylureas and thioureas
    Patent number: 4127673
    Abstract: N-4-halobenzyl-N-cycloalkyl-N'-phenylureas and thioureas of the formula ##STR1## in which R is cycloalkyl or methyl-cycloalkyl,X is halogen, andY is oxygen or sulfur,Which possess fungicidal properties.
    Type: Grant
    Filed: July 19, 1977
    Date of Patent: November 28, 1978
    Assignee: Nihon Tokushu Noyaku Seizo K.K.
    Inventors: Yasuo Yamada, Junichi Saito, Tatsuo Tamura, Yoshio Kurahashi
  • Combating pests with O-alkyl-N-sulfamyl-phosphoramidothiolates
    Patent number: 4122174
    Abstract: O-Alkyl-N-sulfamyl-phosphoramidothiolates of the formula ##STR1## in which R.sup.1 is alkyl with 1-6 carbon atoms,R.sup.2 is alkyl or alkenyl with up to 6 carbon atoms,R.sup.3 is alkyl with 1-6 carbon atoms or aryl,R.sup.4 is alkyl with 1-6 carbon atoms,R.sup.5 is alkyl with 1-6 carbon atoms or aryl, andX is oxygen or sulfur,Which possess insecticidal, acaricidal, nematicidal and fungicidal properties.
    Type: Grant
    Filed: September 16, 1977
    Date of Patent: October 24, 1978
    Assignee: Nihon Tokushu Noyaku Seizo K.K.
    Inventors: Junichi Saito, Akio Kudamatsu, Kozo Shiokawa, Yoshio Kurahashi, Shinichi Tsuboi
  • Pesticidal organophosphoric acid ester anhydrides
    Patent number: 4110440
    Abstract: Organophosphoric acid ester anhydrides of the formula ##STR1## in which R.sup.1 is alkyl with 1-6 carbon atoms, andR.sup.2 is alkoxy, alkylthio, alkylamino or dialkylaminoWhich possess arthropodicidal and nematicidal properties.
    Type: Grant
    Filed: November 3, 1977
    Date of Patent: August 29, 1978
    Assignee: Nihon Tokushu Noyaku Seizo K.K.
    Inventors: Junichi Saito, Akio Kudamatsu, Toyohiko Kume, Kozo Shiokawa, Shinichi Tsuboi