Patents by Inventor Shinpei Kuyama

Shinpei Kuyama 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).

  • Intermediate(1,3-benzothiazol-2H-yl or 1,3-benzoxazol-2H-yl)4-oxy-or 4-thio-phenylurea derivatives
    Patent number: 4611060
    Abstract: 1-[-(Benzothia- or -oxazol-2-ylthio- or -2-yloxy)phenyl]-1,3,5-triazine-2,4,6(1H,3H,5H)-triones of the formula ##STR1## in which R is lower alkyl,R.sup.1 and R.sup.2 each independently is hydrogen, halogen, alkyl or alkoxy,R.sup.3 and R.sup.4 each independently is hydrogen, halogen, alkyl, alkoxy, alkylthio, fluoroalkyl, fluoroalkoxy or fluoroalkylthio, andX and Y each independently is sulphur or oxygen,or salts thereof, combat coccidioses, especially in poultry.
    Type: Grant
    Filed: October 4, 1985
    Date of Patent: September 9, 1986
    Assignee: Bayer Aktiengesellschaft
    Inventors: Axel Haberkorn, Heinrich Kolling, Toyohiko Kume, Shinpei Kuyama
  • Anti-coccidal agents 1-[4-(benzothia- or -oxazol-2-ylthio- or -2-yloxy)phenyl]-1,3,5-triazine-2,4,6-(1H,3H,5H)-trione derivatives, compositions, and method of use thereof
    Patent number: 4568674
    Abstract: 1-[4-(Benzothia- or -oxazol-2-ylthio- or -2-yloxy)phenyl]-1,3,5-triazine-2,4,6(1H,3H,5H)-triones of the formula ##STR1## in which R is lower alkyl,R.sup.1 and R.sup.2 each independently is hydrogen, halogen, alkyl or alkoxy,R.sup.3 and R.sup.4 each independently is hydrogen, halogen, alkyl, alkoxy, alkylthio, fluoroalkyl, fluoroalkoxy or fluoroalkylthio, andX and Y each independently is sulphur or oxygen,or salts thereof, combat coccidioses, especially in poultry.
    Type: Grant
    Filed: February 11, 1985
    Date of Patent: February 4, 1986
    Assignee: Bayer Aktiengesellschaft
    Inventors: Axel Haberkorn, Heinrich Kolling, Toyohiko Kume, Shinpei Kuyama
  • 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