Radiant energy – Ionic separation or analysis – Methods
Reissue Patent
2005-03-04
2009-02-03
Vanore, David A. (Department: 2881)
Radiant energy
Ionic separation or analysis
Methods
C250S281000, C250S288000
Reissue Patent
active
RE040632
ABSTRACT:
There is described an interface for delivering ions generated in an ion source into a mass analyzer in a chamber under vacuum pressure. In particular, the interface employs two consecutive ion guides operated to dissociate adduct ions formed in the ion source or high pressure regions of the interface between the ion source and the mass analyzer, thus improving the limit of detection or limit of quantitation of the mass analyzer by increasing the analyte ion current.The questions raised in reexamination request no. 90/007,724, filed Sep. 16, 2005 have been considered and the results thereof are reflected in this reissue patent which constitutes the reexamination certificate required by 35 U.S.C. 307 as provided in 37 CFR 1.570(e), for ex parte reexaminations, or the reexamination certificate required by 35 U.S.C. 316 as provided in 37 CFR 1.997(e) for inter partes reexaminations.
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Dunyach Jean-Jacques
Schoen Alan E.
Tang Keqi
Haynes Beffel & Wolfeld LLP
Thermo Finnigan LLC.
Vanore David A.
Wolfeld Warren S.
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