The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 23, 2015
Filed:
Aug. 05, 2013
Kannan Srinivasan, Tracy, CA (US);
Bruce Richter, Sandy, UT (US);
Christopher A. Pohl, Union City, CA (US);
Brett Murphy, Murray, UT (US);
Brian Dorich, North Salt Lake, UT (US);
Sm Rahmat Ullah, Fremont, CA (US);
Kannan Srinivasan, Tracy, CA (US);
Bruce Richter, Sandy, UT (US);
Christopher A. Pohl, Union City, CA (US);
Brett Murphy, Murray, UT (US);
Brian Dorich, North Salt Lake, UT (US);
SM Rahmat Ullah, Fremont, CA (US);
Dionex Corporation, Sunnyvale, CA (US);
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.