Patents by Inventor David L. Peardon

David L. Peardon 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).

  • 3-Pyridylmethyl aryl urea rodenticides compositions
    Patent number: 4075345
    Abstract: Rodenticidal compositions containing as the active ingredient novel 1-(3-pyridylmethyl)-3-(4'-substituted-phenyl or -naphthyl)ureas and their acid addition salts. The 4'-substituent may be nitro, cyano, trifluoromethyl, butyryl, thiocyano, alkylthio, phenylsulfonyl or diethylsulfonamide.
    Type: Grant
    Filed: April 11, 1974
    Date of Patent: February 21, 1978
    Assignee: Rohm and Haas Company
    Inventors: Edward E. Kilbourn, David L. Peardon, J. Edgar Ware
  • 3-Pyridylmethyl aryl urea rodenticides
    Patent number: 3994905
    Abstract: Novel 1-(3-pyridylmethyl)-3-(4'-substituted-phenyl or -naphthyl)-ureas and their acid addition salts. The 4'-substituent may be -NO.sub.2, -CN, -CF.sub.3, -C(O)R.sub.1, -SCN, SR.sub.2, -SO.sub.2 C.sub.6 H.sub.5 or -SO.sub.2 NR.sub.3 R.sub.4. These compounds are biologically active, and many are active rodenticides.
    Type: Grant
    Filed: October 16, 1975
    Date of Patent: November 30, 1976
    Assignee: Rohm and Haas Company
    Inventors: Edward E. Kilbourn, David L. Peardon, J. Edgar Ware
  • Pyridyl phenyl-carbamate rodenticides
    Patent number: 3931202
    Abstract: Certain 3-pyridylmethyl N-(4'-substituted-phenyl)carbamates are useful as rodenticides, e.g., in baits or tracking powders. The 4'-substituent may be --NO.sub.2, --CN, --CF.sub.3, --SO.sub.2 NH.sub.2, --SR, --SOR or --SO.sub.2 R where R is lower alkyl. Their salts can also be made and applied as rodenticides.
    Type: Grant
    Filed: June 12, 1974
    Date of Patent: January 6, 1976
    Assignee: Rohm and Haas Company
    Inventors: J. Edgar Ware, Jr., Edward E. Kilbourn, David L. Peardon
  • 3-Pyridylmethyl aryl urea rodenticides
    Patent number: 3931203
    Abstract: Novel 1-(3-pyridylmethyl)-3-(4'-substituted-phenyl or -naphthyl)-ureas and their acid addition salts. The 4'-substituent may be --NO.sub.2, --CN, --CF.sub.3, --C(O)R.sub.1, --SCN, SR.sub.2, --SO.sub.2 C.sub.6 H.sub.5 or --SO.sub.2 NR.sub.3 R.sub.4. These compounds are biologically active, and many are active rodenticides.
    Type: Grant
    Filed: April 11, 1974
    Date of Patent: January 6, 1976
    Assignee: Rohm and Haas Company
    Inventors: Edward E. Kilbourn, David L. Peardon, J. Edgar Ware