Patents by Inventor Charles R. Harrison

Charles R. Harrison 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).

  • Arthropodicidal tetrahydropyridazines
    Patent number: 5591729
    Type: Grant
    Filed: January 4, 1995
    Date of Patent: January 7, 1997
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Charles R. Harrison, George P. Lahm, Thomas M. Stevenson
  • N-acylated pyrazolines
    Patent number: 5591764
    Abstract: N-sulfenylated and N-acylated pyrazoline arthropodicides, compositions containing them and methods for controlling arthropods by applying compounds of the invention to them or to their environment. The pyrazolines are selected from those of Formulae I to III wherein R.sub.1, R.sub.2, R.sub.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: January 7, 1997
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Mohamed A. H. Fahmy, deceased, Charles R. Harrison, George P. Lahm, Thomas M. Stevenson
  • Arthropodicidal anilides
    Patent number: 5500438
    Abstract: Substituted anilides of the formula ##STR1## wherein Q is one of ##STR2## and R.sup.1 to R.sup.5, Y, Z and Z.sup.1 are as defined in the text, arthropodicidal compositions containing such compounds; and a method for controlling arthropods by use of such compounds.
    Type: Grant
    Filed: November 22, 1993
    Date of Patent: March 19, 1996
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: William E. Barnette, Charles R. Harrison, George P. Lahm, David W. Piotrowski, Keith D. Wing
  • N-acylated pyrazolines, compositions and use
    Patent number: 5491162
    Abstract: N-sulfenylated and N-acylated pyrazoline arthropodicides, compositions containing them and methods for controlling arthropods by applying compounds of the invention to them or to their environment. The pyrazolines are selected from those of Formulae I to III wherein R.sub.1, R.sub.2, R.sub.
    Type: Grant
    Filed: July 22, 1994
    Date of Patent: February 13, 1996
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Mohamed A. H. Fahmy, Charles R. Harrison, George P. Lahm, Thomas M. Stevenson
  • Arthropodicidal pyrazolines, pyrazolidines and hydrazines
    Patent number: 5474998
    Abstract: Arthropodicidal pyrazoline, pyrazolidine and hydrazine compounds, including all their geometric and stereoisomers, agriculturally suitable salts thereof and compositions containing them; and a method for controlling arthropods employing said compounds which are: ##STR1## wherein Q, X, X.sup.1, Y and G are as defined in the text.
    Type: Grant
    Filed: February 16, 1993
    Date of Patent: December 12, 1995
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Charles R. Harrison, Renee M. Lett, Stephen F. McCann, Rafael Shapiro, Thomas M. Stevenson
  • Arthropodicidal fused tetrahydropyridazines
    Patent number: 5380718
    Abstract: Arthropodicidal tetrahydropyridazines of Formulae I and II, ##STR1## wherein Q,X,X.sup.1 Y, and G are as defined in the text, compositions containing them and their use in the control of arthropods.
    Type: Grant
    Filed: November 12, 1992
    Date of Patent: January 10, 1995
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Charles R. Harrison, George P. Lahm, Thomas M. Stevenson
  • Arthropodicidal pyrazolines, pyrazolidines and hydrazines
    Patent number: 5369121
    Abstract: Compounds of Formula I ##STR1## wherein Q, W, R.sup.1 and m are as defined in the text; these compounds being useful in controlling agronomic and nonagronomic arthropods.
    Type: Grant
    Filed: July 31, 1992
    Date of Patent: November 29, 1994
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Charles R. Harrison, George P. Lahm
  • N-sulfenylated pyrazolines, compositions and use
    Patent number: 5196408
    Abstract: N-sulfenylated and N-acrylated pyrazoline arthropodicides, compositions containing them and methods for controlling arthropods by applying compounds of the invention to them or to their environment. The pyrazolines are selected from those of Formulae I to III wherein R.sub.1, R.sub.2, R.sub.
    Type: Grant
    Filed: March 12, 1991
    Date of Patent: March 23, 1993
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Mohamed A. H. Fahmy, deceased, Charles R. Harrison, George P. Lahm, Thomas M. Stevenson