Patents by Inventor Daniel L. Hyazk

Daniel L. Hyazk 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).

  • Herbicide compositions of extended soil life
    Patent number: 4648894
    Abstract: The soil life of herbicidally active thiocarbamates is extended by employing therewith certain organophosphorus compounds having the formula ##STR1## in which R.sup.4 is selected from the group consisting of C.sub.1 -C.sub.4 alkyl and C.sub.1 -C.sub.4 alkoxy,R.sup.5 is selected from the group consisting of C.sub.1 -C.sub.4 alkoxy and C.sub.1 -C.sub.4 alkylthio,n is zero or one, andR.sup.6 is selected from the group consisting of ##STR2## in which R.sup.7, R.sup.8, R.sup.9, and R.sup.10 are independently selected from the group consisting of hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkylthio, phenyl, and chlorophenylthio.
    Type: Grant
    Filed: September 12, 1984
    Date of Patent: March 10, 1987
    Assignee: Stauffer Chemical Co.
    Inventors: Reed A. Gray, Daniel L. Hyazk