Patents by Inventor Russell M. Ellis

Russell M. Ellis 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).

  • Triazole phosphoric acid derivatives and their use as herbicides
    Patent number: 5393732
    Abstract: A herbicidal compound of formula (I) ##STR1## or a salt, tautomer or cyclic derivative thereof; where R.sup.1 and R.sup.2 are hydrogen and A is an optionally substituted saturated or unsaturated chain or ring of three carbon atoms.Methods for preparing these compounds, intermediates used in the preparation and herbicidal compositions containing them are also described and claimed.
    Type: Grant
    Filed: January 21, 1993
    Date of Patent: February 28, 1995
    Assignee: Zeneca Limited
    Inventors: John M. Cox, Peter Bellini, Roger Barrett, Russell M. Ellis, Timothy R. Hawkes