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. 18, 2006
Filed:
Sep. 17, 2002
Applicants:
Uwe Karst, Muenster, DE;
Georg Diehl, Muenster, DE;
Heiko Hayen, Muenster, DE;
Inventors:
Assignee:
ESA Biosciences, Inc., Chelmsford, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 30/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A hyphenated technique based on the combination of high performance liquid chromatography (HPLC), electrochemical (coulometric) oxidation (EC) and electrospray ionization (ESI)- or atmospheric pressure chemical ionization (APCI)-mass spectrometry (MS), allows access of selected groups of low and medium polarity analytes to ESI- or APCI-mass spectrometry after HPLC by electrochemical treatment of the sample.