Patents by Inventor Daniel C. Heffernan

Daniel C. Heffernan 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).

  • Patent number: 6335026
    Abstract: A solid pesticidal composition containing acephate is stabilized by adding thereto at least one stabilizer selected from the group consisting of boron oxide, metaboric acid, aluminum oxide and the calcined product of synthetic silicon dioxide.
    Type: Grant
    Filed: March 31, 1994
    Date of Patent: January 1, 2002
    Assignee: Sumitomo Chemical Co., Ltd.
    Inventors: Yasuyuki Katayama, Toshiro Ohtsubo, Daniel C. Heffernan