Patents by Inventor Llewellyn Fancher

Llewellyn Fancher 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).

  • 2,4-Dichlorophenoxyacetyl carbamate hydrazides useful as herbicides
    Patent number: 4118576
    Abstract: Novel compounds of the general formula: ##STR1## wherein X is oxygen or sulfur; and R is selected from the group consisting of alkyl containing 1 through 8 carbon atoms, halosubstituted alkyl containing 1 through 8 carbon atoms, phenyl, benzyl and halosubstituted phenyl are herbicidally active.
    Type: Grant
    Filed: September 8, 1977
    Date of Patent: October 3, 1978
    Assignee: Stauffer Chemical Company
    Inventor: Llewellyn Fancher