Patents by Inventor Brian Dorich

Brian Dorich 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).

  • Sample pretreatment and extraction
    Patent number: 9063045
    Abstract: A method for pretreating and extracting a liquid sample by sorbing an aqueous liquid sample, including an organic analyte and an acid or a base, in a solid sorbent material, and at least partially neutralizing the acid or base by reaction with neutralizing ions retained on a support surface, and contacting the liquid sample-sorbed sorbent material at elevated temperature and pressure with an organic solvent to extract the analyte into said solvent, preferably in a vessel having an extraction chamber with a zirconium metal interior surface.
    Type: Grant
    Filed: August 5, 2013
    Date of Patent: June 23, 2015
    Assignee: Dionex Corporation
    Inventors: Kannan Srinivasan, Bruce Richter, Christopher A. Pohl, Brett Murphy, Brian Dorich, SM Rahmat Ullah
  • SAMPLE PRETREATMENT AND EXTRACTION
    Publication number: 20130316466
    Abstract: A method for pretreating and extracting a liquid sample by sorbing an aqueous liquid sample, including an organic analyte and an acid or a base, in a solid sorbent material, and at least partially neutralizing the acid or base by reaction with neutralizing ions retained on a support surface, and contacting the liquid sample-sorbed sorbent material at elevated temperature and pressure with an organic solvent to extract the analyte into said solvent, preferably in a vessel having an extraction chamber with a zirconium metal interior surface.
    Type: Application
    Filed: August 5, 2013
    Publication date: November 28, 2013
    Inventors: Kannan SRINIVASAN, Bruce RICHTER, Christopher A. POHL, Brett MURPHY, Brian DORICH, SM Rahmat ULLAH
  • Sample pretreatment and extraction
    Patent number: 8507292
    Abstract: A method for pretreating and extracting a liquid sample by sorbing an aqueous liquid sample, including an organic analyte and an acid or a base, in a solid sorbent material, and at least partially neutralizing the acid or base by reaction with neutralizing ions retained on a support surface, and contacting the liquid sample-sorbed sorbent material at elevated temperature and pressure with an organic solvent to extract the analyte into said solvent, preferably in a vessel having an extraction chamber with a zirconium metal interior surface.
    Type: Grant
    Filed: July 1, 2011
    Date of Patent: August 13, 2013
    Assignee: Dionex Corporation
    Inventors: Kannan Srinivasan, Bruce Richter, Christopher A. Pohl, Brett Murphy, Brian Dorich, S. M. Rahmat Ullah
  • SAMPLE PRETREATMENT AND EXTRACTION
    Publication number: 20120028368
    Abstract: A method for pretreating and extracting a liquid sample by sorbing an aqueous liquid sample, including an organic analyte and an acid or a base, in a solid sorbent material, and at least partially neutralizing the acid or base by reaction with neutralizing ions retained on a support surface, and contacting the liquid sample-sorbed sorbent material at elevated temperature and pressure with an organic solvent to extract the analyte into said solvent, preferably in a vessel having an extraction chamber with a zirconium metal interior surface.
    Type: Application
    Filed: July 1, 2011
    Publication date: February 2, 2012
    Applicant: Dionex Corporation
    Inventors: Kannan Srinivasan, Bruce Richter, Christopher A. Pohl, Brett Murphy, Brian Dorich, S.M. Rahmat Ullah
  • SAMPLE PRETREATMENT AND EXTRACTION
    Publication number: 20090221079
    Abstract: A method for pretreating and extracting a liquid sample by sorbing an aqueous liquid sample, including an organic analyte and an acid or a base, in a solid sorbent material, and at least partially neutralizing the acid or base by reaction with neutralizing ions retained on a support surface, and contacting the liquid sample-sorbed sorbent material at elevated temperature and pressure with an organic solvent to extract the analyte into said solvent, preferably in a vessel having an extraction chamber with a zirconium metal interior surface.
    Type: Application
    Filed: February 28, 2008
    Publication date: September 3, 2009
    Applicant: DIONEX CORPORATION
    Inventors: Kannan Srinivasan, Bruce Richter, Christopher A. Pohl, Brett Murphy, Brian Dorich, S.M. Rahmat Ullah