Patents by Inventor R. C. Gerardo Lopez

R. C. Gerardo Lopez 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).

  • Triazolecarboxamide herbicides
    Patent number: 5308830
    Abstract: Compounds of the formula: ##STR1## wherein X is O or S; R and R.sup.1 are substituted or unsubstituted alkyl, alkenyl, alkynyl or cycloalkyl or R and R.sup.1 may be joined to form a heterocyclic ring; R.sup.2 is substituted or unsubstituted cycloalkyl; and n is 0, 1 or 2 are disclosed as well as their postemergence and preemergence selective herbicide use against both monocot and dicot weeds in crops such as sugarbeets, cotton, soybeans and rice.
    Type: Grant
    Filed: July 26, 1989
    Date of Patent: May 3, 1994
    Assignee: Rohm and Haas Company
    Inventor: R. C. Gerardo Lopez