Patents by Inventor Hector Osuna Sanchez

Hector Osuna Sanchez 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).

  • Gradient-elution multi-column separation method
    Patent number: 8752417
    Abstract: The invention relates to a method for separating fractions of a mixture to be separated including the steps of providing a device comprising at least two chromatography columns mounted in series, discontinuously injecting a mixture to be separated, in a single point of the device, discontinuously drawing off the fraction enriched in the product of interest, in a single point of the device, and injecting eluents in each column and displacing the points for injection eluents, the eluents having a different eluting power. The method allows efficient separation which is simple to perform.
    Type: Grant
    Filed: April 3, 2009
    Date of Patent: June 17, 2014
    Assignee: Novasep
    Inventors: Eric Valery, Hector Osuna Sanchez, Michel Bailly
  • GRADIENT-ELUTION MULTI-COLUMN SEPARATION METHOD
    Publication number: 20110030457
    Abstract: The invention relates to a method for separating fractions of a mixture to be separated comprising the steps of providing a device comprising at least two chromatography columns mounted in series, discontinuously injecting a mixture to be separated, in a single point of the device, discontinuously drawing off the fraction enriched in the product of interest, in a single point of the device, injecting eluents in each column and displacing the points for injecting eluents, the eluents having a different eluting power. The method allows efficient separation which is simple to perform.
    Type: Application
    Filed: April 3, 2009
    Publication date: February 10, 2011
    Applicant: NOVASEP
    Inventors: Eric Valery, Hector Osuna Sanchez, Michel Bailly