Patents by Inventor Frederick F. Fischer, Jr.

Frederick F. Fischer, 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).

  • Polymer modified binder and plant mix modifier for asphalt and process of making
    Patent number: 9493653
    Abstract: The invention provides a polymer modified binder using an asphalt plant mix modifier comprising a mixture of thermoplastic polymers, comprising both elastomers and plastomers, blended with oils and dispersed in a powder medium to facilitate flow. The use of polymers in dry form has provides for a means of incorporating additives into asphalt that can be successfully performed within the normal range of temperatures used for the mixing and compaction of hot mix asphalt.
    Type: Grant
    Filed: March 8, 2011
    Date of Patent: November 15, 2016
    Assignee: Chase Corporation
    Inventors: Geoffrey M. Rowe, Douglas Zuberer, Jeffrey A. Sargeant, Frederick F. Fischer, Jr., Steve M. Grendzinski, Richard W. Specht