Patents by Inventor Thomas E. Elward

Thomas E. Elward 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).

  • Method for repelling ticks and insects
    Patent number: 4299840
    Abstract: Process for repelling ticks and other biting insects comprising topically administering to humans or to domesticated animals a composition comprising at least one active compound selected from the group made up of alkylated pyrrolidones and alkylated pyrrolidenones.
    Type: Grant
    Filed: June 9, 1980
    Date of Patent: November 10, 1981
    Assignee: SRI International
    Inventors: Wilfred A. Skinner, Ulrich Rosentreter, Thomas E. Elward