Patents by Inventor Malcolm Hadler

Malcolm Hadler 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).

  • Rodenticidal composition
    Patent number: 6689796
    Abstract: A rodenticidal composition comprises a carrier together with a rodenticidally effective amount of a compound having formula (I) wherein R1, R2, R3, R4, R5, R6, R7 and R8 are the same or different halogen selected from F, Cl and Br atoms. The preferred compound is bis(2,3,5,6-tetrafluoro-4-pyridyl)amine. The compounds of formula (I) are toxic to rodents, particularly rats, and yet have smell and taste acceptable to rodents.
    Type: Grant
    Filed: May 10, 2002
    Date of Patent: February 10, 2004
    Assignee: Sorex Limited
    Inventors: Roger Johnson, Malcolm Hadler