Patents by Inventor Frederic Begnaud

Frederic Begnaud 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).

  • Multidimensional gas chromatography apparatus and analyte transfer procedure using a multiple-cool strand interface
    Publication number: 20070039375
    Abstract: The invention provides a MDGC apparatus that includes a cryotrapping apparatus capable of cooling at least twice a portion of a chemical sample and provided with a detector device disposed upstream of the cryotrap and allowing identification of the portion of the chemical sample to control the residence time of the latter in the cryotrapping apparatus.
    Type: Application
    Filed: October 17, 2006
    Publication date: February 22, 2007
    Inventors: Alain Chaintreau, Frederic Begnaud