Patents by Inventor Michael Barrett Andersen

Michael Barrett Andersen 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: 8074494
    Abstract: The invention provided is a split-free nano-liter flow liquid chromatography system comprising at least a first and a second chromatographic column connected in series, wherein an autosampler is provided and programmed to inject samples and eluent solutions of increasing eluent concentration for gradually eluting analytes from the first column into the second column (without adversely affecting separation in the second column), said solutions segmented from the mobile phase of the liquid chromatography system by air plugs.
    Type: Grant
    Filed: November 13, 2008
    Date of Patent: December 13, 2011
    Assignee: Proxeon Biosystems A/S
    Inventors: Ole Vorm, Michael Barrett Andersen, Ole Tang Sørensen, Søren Theodorsen
  • Publication number: 20090145203
    Abstract: The invention provided is a split-free nano-liter flow liquid chromatography system comprising at least a first and a second chromatographic column connected in series, wherein an autosampler is provided and programmed to inject samples and eluent solutions of increasing eluent concentration for gradually eluting analytes from the first column into the second column (without adversely affecting separation in the second column), said solutions segmented from the mobile phase of the liquid chromatography system by air plugs.
    Type: Application
    Filed: November 13, 2008
    Publication date: June 11, 2009
    Applicant: Proxeon Biosystems A/S
    Inventors: Ole Vorm, Michael Barrett Andersen, Ole Tang Sorensen, Soren Theodorsen