Patents by Inventor Kan Manabe

Kan Manabe 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).

  • Indole-2-carboxylate derivatives and fungicidal compositions for agricultural or horticultural use containing the derivatives as active component
    Patent number: 5866594
    Abstract: An object of the invention is to provide an indole-2-carboxylic acid ester derivative which shows a selectively high fungicidal effect on fungicide-resistant fungi. The indole-2-carboxylic acid ester derivative of the invention is a compound represented by the formula ##STR1## wherein R.sup.1 is a hydrogen atom, a hydroxy group, a C.sub.1-4 acyl group, a C.sub.1-4 acyloxy group, a C.sub.1-4 alkoxy group, a (C.sub.1-4 alkoxycarbonyl)oxy group, a phenoxycarbonyl group or a C.sub.1-4 alkoxycarbonyl group, R.sup.2 is a C.sub.1-4 alkyl group, R.sup.3 is a hydrogen atom, a C.sub.1-4 alkyl group, a C.sub.2-4 alkenyl group, a phenyl group, a cyano group, a carbamoyl group or the like, R.sup.4 and R.sup.5 are the same or different and each represents C.sub.1-4 alkyl group or a halogen atom.
    Type: Grant
    Filed: April 4, 1997
    Date of Patent: February 2, 1999
    Assignee: Otsuka Kagaku Kabushiki Kaisha
    Inventors: Yasuhiro Endo, Kan Manabe, Yoshinori Endo, Tomozo Komura, Kazumi Sagayama, Kunio Yamaguchi