Patents by Inventor Nicola J. Bettesworth

Nicola J. Bettesworth 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).

  • Pyrimidine
    Patent number: 5109004
    Abstract: A phenyl substituted heterocyclic compound of formula (I): ##STR1## wherein R.sup.1 is optionally substituted pyridone, thiopyridone, pyrimidinthione, pyrimidinone, pyrazole, imidazole or triazole group; R.sup.2 is hydrogen, halogen, haloalkyl, nitro or cyano; R.sup.3 and R.sup.5 are independently selected from hydrogen, halogen, alkyl or cycloalkyl; R.sup.4 is halogen, haloalkyl, haloalkoxy or S(O).sub.n R.sup.6 where R.sup.6 is alkyl, haloalkyl or cycloalkyl and n is 0, 1 or 2; having insecticidal activity.
    Type: Grant
    Filed: April 10, 1990
    Date of Patent: April 28, 1992
    Assignee: Imperial Chemical Industries PLC
    Inventors: Nicola J. Bettesworth, Maureen Smith, Trevor R. Perrior, Alan J. Whittle, Alfred G. Williams, Donn W. Moseley