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.

Date of Patent:
Sep. 05, 1995

Filed:

Oct. 19, 1994
Applicant:
Inventors:

James A Apffel, Jr, San Jose, CA (US);

Robert G Nordman, Palo Alto, CA (US);

Mirko Martich, Evanston, IL (US);

Assignee:

Hewlett-Packard Company, Palo Alto, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
95 32 ; 95 82 ; 95267 ; 210656 ; 2101982 ; 250288 ;
Abstract

Close coupled momentum separator with integral removable source volume for particle beam liquid chromatography/mass spectrometry is provided. The inventive PB LC/MS system comprises a momentum separator wherein the skimmers are designed to accommodate the particle beam conical dispersion so as to minimize the number of particles lost in the separator. In addition, the exit of the momentum separator is closely coupled to the entrance of the MS source volume. The PB LC/MS system demonstrates improved linearity in signal and enhanced sensitivity.


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Apffel, Jr, James. (1995). Method for interfacing liquid chromatography-mass spectrometry systems (U.S. Patent No. 5447553). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5447553

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