Patents by Inventor Wilbur Fell Evans

Wilbur Fell Evans 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).

  • Use of 4-benzoylisoxazoles for the protection of turfgrass
    Patent number: 6004904
    Abstract: The invention relates to a method for the protection of a turfgrass at a locus which comprises applying to said locus an isoxazole derivative of formula (I), wherein R is hydrogen or --CO.sub.2 R.sup.3, wherein R.sup.3 is as defined below; R.sup.1 is cyclopropyl; R.sup.2 is selected from halogen, --S(O).sub.p R.sup.4 and C.sub.1-4 alkyl or haloalkyl; n is two or three; p is zero, one or two; R.sup.3 is C.sub.1-4 alkyl and R.sup.4 is C.sub.1-4 alkyl; and to compositions containing the same.
    Type: Grant
    Filed: April 10, 1998
    Date of Patent: December 21, 1999
    Assignee: Rhone-Poulenc Inc.
    Inventors: Thomas Edward Vrabel, Wilbur Fell Evans