Patents by Inventor Frédéric Begnaud

Frédéric 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).

  • Volatile compounds trap desorption device and method for desorbing volatile compounds from a trap
    Patent number: 9222855
    Abstract: A method for restoring a volatile compound from a trapping means, wherein the method includes a flowing step wherein a carrier gas flows through the trapping means, at a controlled rate, by increasing the volume of a chamber located downstream of the trapping means is disclosed. The invention also relates to a device for implementing the method. The invention allows to faithfully restore the compounds that have been previously trapped and to faithfully restore the trapped odors.
    Type: Grant
    Filed: September 1, 2011
    Date of Patent: December 29, 2015
    Assignee: Firmenich SA
    Inventors: Alain Chaintreau, Frédéric Begnaud, Urs Keller
  • VOLATIVLE COMPOUNDS TRAP DESORPTION DEVICE AND METHOD FOR DESORBING VOLATILE COMPOUNDS FROM A TRAP
    Publication number: 20130167616
    Abstract: A method for restoring a volatile compound from a trapping means, wherein the method includes a flowing step wherein a carrier gas flows through the trapping means, at a controlled rate, by increasing the volume of a chamber located downstream of the trapping means is disclosed. The invention also relates to a device for implementing the method. The invention allows to faithfully restore the compounds that have been previously trapped and to faithfully restore the trapped odors.
    Type: Application
    Filed: September 1, 2011
    Publication date: July 4, 2013
    Applicant: FIRMENICH SA
    Inventors: Alain Chaintreau, Frédéric Begnaud, Urs Keller
  • Multidimensional gas chromatography apparatus and analyte transfer procedure using a multiple-cool strand interface
    Patent number: 7490506
    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: Grant
    Filed: October 17, 2006
    Date of Patent: February 17, 2009
    Assignee: Firmenich SA
    Inventors: Alain Chaintreau, Frédéric Begnaud
  • 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