Patents by Inventor Brian L. Pilkington

Brian L. Pilkington 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: 5439910
    Abstract: Compounds having formula (I) ##STR1## wherein R.sup.1, R.sup.2 and A are defined as in the specification. The compounds are useful as fungicides.
    Type: Grant
    Filed: October 12, 1993
    Date of Patent: August 8, 1995
    Assignee: Zeneca Limited
    Inventors: Paul J. de Fraine, John M. Clough, Paul A. Worthington, Brian L. Pilkington, Ian R. Matthews
  • Patent number: 5185339
    Abstract: Fungicidal compounds having the formula (I): ##STR1## wherein R.sup.1 is an optionally substituted phenyl group; R.sup.2 and R.sup.3, which are the same or different, are hydrogen or C.sub.1-4 alkyl; R.sup.4, R.sup.5 and R.sup.6, which are the same or different, are hydrogen, C.sub.1-4 haloalkyl, C.sub.1-4 alkyl or C.sub.1-4 alkoxy; R.sup.7, R.sup.8 and R.sup.9, which are same or different, are hydrogen, C.sub.1-4 alkyl, C.sub.1-4 haloalkyl, C.sub.1-4 alkoxy or halogen, or R.sup.7 and R.sup.8 together form a polymethylene group of the formula --(CH.sub.2).sub.m -- in which m is 3 or 4; and, acid addition salts or metal complexes thereof; are useful as fungicides. The invention also relates to processes for preparing them, to fungicidal compositions containing them, and to methods of using them to combat fungi, especially fungal infections in plants.
    Type: Grant
    Filed: May 16, 1991
    Date of Patent: February 9, 1993
    Assignee: Imperial Chemical Industries PLC
    Inventors: Brian L. Pilkington, Paul A. Worthington