Patents by Inventor Richard R. Ziesmer

Richard R. Ziesmer 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).

  • Universal cross linking compound and polymer
    Publication number: 20030144387
    Abstract: A polymer modified asphalt which includes asphalt, a polymer, an aldehyde or a melamine resin, and an element chosen from a group consisting of Group VI-A of Periodic Table, such as sulphur.
    Type: Application
    Filed: July 24, 2002
    Publication date: July 31, 2003
    Inventors: Dennis Krivohlavek, Richard R. Ziesmer
  • Universal cross linking compound and polymer
    Patent number: 6451886
    Abstract: A polymer modified asphalt which includes asphalt, a polymer, an aldehyde or a melamine resin, and an element chosen from a group consisting of Group VI-A of Periodic Table, such as sulphur.
    Type: Grant
    Filed: May 16, 2000
    Date of Patent: September 17, 2002
    Inventors: Dennis Krivohlavek, Richard R. Ziesmer