Patents by Inventor Ricahrd A. Schumacher

Ricahrd A. Schumacher 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).

  • Epoxy composition of increased thermal conductivity and use thereof
    Patent number: 4960634
    Abstract: A composition of enhanced thermal conductivity which comprises a tetrabrominated diglycidyl ether polyepoxide; and epoxy polymer having an epoxy functionality of 3.5 to 6; zinc oxide and curing agents; and use thereof.
    Type: Grant
    Filed: March 14, 1990
    Date of Patent: October 2, 1990
    Assignee: International Business Machines Corporation
    Inventors: Christina M. Boyko, Craig N. Johnston, James R. Loomis, Carl E. Samuelson, Ricahrd A. Schumacher