Patents by Inventor Cleve Madlock, Jr.

Cleve Madlock, Jr. 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 making porous structures
    Patent number: 4865789
    Abstract: A method for making a porous structure including forming a plurality of particles into a desired shape, the particles being in a size range from about 40 to about 400 microns and including from about 5 to about 100 percent by weight of microporous particles of a synthetic thermoplastic polymeric material and from about 0 to about 95 percent by weight of nonporous synthetic thermoplastic polymeric material; and subjecting the particles to an effective pressure from about 200 to about 8000 pounds per square inch, while retaining the particles in the desired shape, for a sufficient length of time to produce an integral porous structure having substantial physical integrity.
    Type: Grant
    Filed: November 14, 1983
    Date of Patent: September 12, 1989
    Assignee: Akzo NV
    Inventors: Anthony J. Castro, Dieter Frank, Cleve Madlock, Jr.