Patents Examined by M. V. Grumbling
  • Fungicidal use of pyridopyrimidine, pteridine, pyrimidopyrimidine, pyrimidopyridazine, and pyrimido-1,2,4-triazine derivatives
    Patent number: 5034393
    Abstract: Fungicidal compositions contain as active ingredient a 4-substituted-pyrido[3,2-d]pyrimidine, -pyrido[4,3-d]pyrimidine, -pyrido[3,4-d]pyrimidine, pyrido[2,3-d]pyrimidine, -pteridine, -pyrimido[4,5-d]pyrimidine, -pyrimido[4,5-c]pyridazine, -pyrimido[5,4-d]pyrimidine, -pyrimido[5,4-c]pyridazine, pyrimido[4,5-d]pyridazine, or -pyrimido[5,4-e]-1,2,4-triazine, for example 4-[2-(4-chlorophenyl)ethoxy]pyrido[2,3-d]pyrimidine.
    Type: Grant
    Filed: July 27, 1989
    Date of Patent: July 23, 1991
    Assignee: DowElanco
    Inventors: Ronald E. Hackler, Glen P. Jourdan