Interface for liquid chromatograph-mass spectrometer

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United States of America Patent

PATENT NO 4867947
SERIAL NO

06904953

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Abstract

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A moving belt interface for real-time, high-performance liquid chromatograph (HPLC)/mass spectrometer (MS) analysis which strips away the HPLC solvent as it emerges from the end of the HPLC column and leaves a residue suitable for mass-spectral analysis. The interface includes a portable, stand-alone apparatus having a plural stage vacuum station, a continuous ribbon or belt, a drive train magnetically coupled to an external drive motor, a calibrated HPLC delivery system, a heated probe tip and means located adjacent the probe tip for direct ionization of the residue on the belt. The interface is also capable of being readily adapted to fit any mass spectrometer.

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Patent Owner(s)

Patent OwnerAddress
SEPRAGEN CORPORATION1205 SAN LUIS OBISPO AVENUE HAYWARD CA 94544

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Andresen, Brian D Pleasanton, CA 23 620
Fought, Eric R Livermore, CA 3 84

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