Patents by Inventor Felix V. Martinez

Felix V. Martinez 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).

  • Elastomer seal
    Patent number: 5459202
    Abstract: Seals capable of containing corrosive liquid and/or vapor of, e.g., HCFCs, are made of cured blends of (a) CTFE/VF.sub.2 elastomer, (b) chlorine-free fluoroelastomer, and (c) 1 to 20 wt % of hydrocarbon polymer, based on the combined weight of (a) and (b). The blends are homogeneous and coherent wherein the hydrocarbon polymer is not visible at 165.times. magnification as a separate phase within the matrix of the blend of (a) and (b) and the blend is free of internal cracks and voids.
    Type: Grant
    Filed: June 30, 1994
    Date of Patent: October 17, 1995
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Felix V. Martinez, Nabil F. Boufakhreddine