Patents by Inventor Conrad F. Balazs

Conrad F. Balazs 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).

  • Formable reflective multilayer body
    Patent number: 5568316
    Abstract: A formable multilayer reflective polymeric body which has a substantially uniform broad bandwidth reflectance over substantially the entire range of the visible spectrum to provide a substantially uniform reflective appearance is provided. The body includes at least first and second diverse polymeric materials, the body comprising a sufficient number of alternating layers of the first and second polymeric materials such that at least 40% of visible light incident on the body is reflected. A substantial majority of the individual layers of the body have optical thicknesses in the range where the sum of the optical thicknesses in a repeating unit of the polymeric materials is greater than about 190 nm, and the first and second polymeric materials differ from each other in refractive index by at least about 0.03.
    Type: Grant
    Filed: April 13, 1995
    Date of Patent: October 22, 1996
    Assignee: The Dow Chemical Company
    Inventors: Walter J. Schrenk, Charles B. Arends, Conrad F. Balazs, Ray A. Lewis, John A. Wheatley
  • Formable reflective multilayer body
    Patent number: 5448404
    Abstract: A formable multilayer reflective polymeric body which has a substantially uniform broad bandwidth reflectance over substantially the entire range of the visible spectrum to provide a substantially uniform reflective appearance is provided. The body includes at least first and second diverse polymeric materials, the body comprising a sufficient number of alternating layers of the first and second polymeric materials such that at least 40% of visible light incident on the body is reflected. A substantial majority of the individual layers of the body have optical thicknesses in the range where the sum of the optical thicknesses in a repeating unit of the polymeric materials is greater than about 190 nm, and the first and second polymeric materials differ from each other in refractive index by at least about 0.03.
    Type: Grant
    Filed: May 13, 1994
    Date of Patent: September 5, 1995
    Assignee: The Dow Chemical Company
    Inventors: Walter J. Schrenk, Charles B. Arends, Conrad F. Balazs, Ray A. Lewis, John A. Wheatley