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:
Apr. 10, 2012
Filed:
Apr. 21, 2006
Applicants:
Martin Gilar, Franklin, MA (US);
John C. Gebler, Hopkinton, MA (US);
Fang Xia, Moorpark, CA (US);
Inventors:
Assignee:
Waters Technologies Corporation, Milford, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 15/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for extracting at least one target compound from a sample includes injecting an overloaded amount of the sample into a chromatographic conduit (), and flowing a solvent having a time-varying composition through the conduit (). An apparatus for extracting at least one target compound from a sample includes a chromatography module, a mass-spectrometry module in fluid communication with the chromatography module to receive a portion of an eluent from the chromatography module, and a control unit in communication with the chromatography module and the mass-spectrometry module.