Patents by Inventor Thomas Jira

Thomas Jira 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).

  • Patent number: 6696615
    Abstract: The invention relates to an effective method of separating polycyclic aromatic hydrocarbons by means of a chromatographic separation method. This is achieved by using, according to the invention, calixarene-modified separation phases as stationary phase for chromatography in order to separate polycyclic aromatic hydrocarbons. The calixarene-modified stationary phases are particularly suitable for separating polycyclic aromatic hydrocarbons in liquid chromatography separation methods.
    Type: Grant
    Filed: April 21, 1999
    Date of Patent: February 24, 2004
    Inventors: Ulf Menyes, Ulrich Roth, Thomas Jira