Patents by Inventor Donald Hollenbaugh

Donald Hollenbaugh 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).

  • Fluoropolymer Barrier Material
    Publication number: 20080061472
    Abstract: A novel densified fluoropolymer article is described which has a water vapor permeation of about 0.015 g-mm/m2/day or less, and preferably has a matrix tensile strength of at least 10,000 psi in two orthogonal directions. The articles are made by compressing expanded porous PTFE at pressures, temperatures and times which result in elimination of the pores, and subsequent stretching above the crystalline melt temperature.
    Type: Application
    Filed: November 6, 2007
    Publication date: March 13, 2008
    Inventors: Michael Kennedy, Donald Hollenbaugh
  • Fluoropolymer barrier material
    Publication number: 20050238872
    Abstract: A novel densified fluoropolymer article is described which has a water vapor permeation of about 0.015 g-mm/m2/day or less, and preferably has a matrix tensile strength of at least 10,000 psi in two orthogonal directions. The articles are made by compressing expanded porous PTFE at pressures, temperatures and times which result in elimination of the pores, and subsequent stretching above the crystalline melt temperature.
    Type: Application
    Filed: April 23, 2004
    Publication date: October 27, 2005
    Inventors: Michael Kennedy, Donald Hollenbaugh