Patents by Inventor Frank VanPuyvelde

Frank VanPuyvelde 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).

  • Chromatography system
    Patent number: 5305232
    Abstract: A system (method and apparatus) for optimizing the relationship between resolution and time in chromatograms, especially chromatograms obtained by supercritical fluids (CSF) chromatography. The pressure or temperature or fluid density of the solution caring the material under analysis is varied dynamically under computer control to provide an optimum capacity factor for a particular transporting fluid in a particular chromatographic system to obtain the resolution of interest in the shortest period of time.
    Type: Grant
    Filed: May 13, 1992
    Date of Patent: April 19, 1994
    Assignee: The University of Rochester
    Inventors: Eldred H. Chimowitz, Frank VanPuyvelde