Patents by Inventor Philip J. Dudfield

Philip J. Dudfield 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).

  • Patent number: 5096915
    Abstract: The invention provides compounds of formula I ##STR1## in which X, Y and R.sup.1-5 are as defined in the description. The compounds have valuable fungicidal activity.
    Type: Grant
    Filed: March 28, 1990
    Date of Patent: March 17, 1992
    Assignee: Schering Agrochemicals
    Inventors: John H. Parsons, Donald J. Simpson, Philip J. Dudfield
  • Patent number: 5045557
    Abstract: The invention provides compounds of formula I ##STR1## in which X, R.sup.1, R.sup.2 and R.sup.3 are as defined in the description. The compounds have valuable fungicidal activity.
    Type: Grant
    Filed: August 28, 1990
    Date of Patent: September 3, 1991
    Assignee: Schering Agrochemicals Ltd.
    Inventors: Antony D. Buss, Philip J. Dudfield, John H. Parsons