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Class Information
Number: 250/282
Name: Radiant energy > Ionic separation or analysis > Methods
Description: Subject matter comprising processes including the steps of selecting ions of one mass-to-charge ratio from ions of different mass-to-charge ratios and detecting or accumulating the selected ions.


Sub-classes under this class:

Class Number Class Name Patents
250/283 With collection of ions 339


Patents under this class:
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Patent Number Title Of Patent Date Issued
6835928 Mass spectrometer Dec. 28, 2004
6835930 High mass resolution magnet for ribbon beam ion implanters Dec. 28, 2004
6833544 Method and apparatus for multiple stages of mass spectrometry Dec. 21, 2004
6833545 Method and device for performing analyses in parallel Dec. 21, 2004
6831270 Method for preparing a sample for use in laser desorption ionization mass spectrometry and sample plate used in such a method Dec. 14, 2004
6831271 Method for separation and enrichment of isotopes in gaseous phase Dec. 14, 2004
6831272 Gas cluster ion beam size diagnostics and workpiece processing Dec. 14, 2004
6831273 Ion mobility spectrometers with improved resolution Dec. 14, 2004
6831274 Method and apparatus for multispray emitter for mass spectrometry Dec. 14, 2004
6831275 Nonlinear resonance ejection from linear ion traps Dec. 14, 2004
6828549 Apparatus and method for moving an electron source Dec. 7, 2004
6828551 Mass spectrometer system Dec. 7, 2004
6825045 System and method of infrared matrix-assisted laser desorption/ionization mass spectrometry in polyacrylamide gels Nov. 30, 2004
6825461 FAIMS apparatus and method with ion diverting device Nov. 30, 2004
6825462 Apparatus and method for ion production enhancement Nov. 30, 2004
6825463 On-line and off-line deposition of liquid samples for matrix assisted laser desorption ionization-time of flight (MALDI-TOF) mass spectroscopy Nov. 30, 2004
6825466 Apparatus and method for automated sample analysis by atmospheric pressure matrix assisted laser desorption ionization mass spectrometry Nov. 30, 2004
6822222 Threat identification for mass spectrometer system Nov. 23, 2004
6822223 Method, system and device for performing quantitative analysis using an FTMS Nov. 23, 2004
6822224 Tandem high field asymmetric waveform ion mobility spectrometry (FAIMS)tandem mass spectrometry Nov. 23, 2004
6822225 Pulsed discharge ionization source for miniature ion mobility spectrometers Nov. 23, 2004
6822230 Matrix-assisted laser desorption/ionization sample holders and methods of using the same Nov. 23, 2004
6822231 Integrated monolithic microfabricated dispensing nozzle and liquid chromatography-electrospray system and method Nov. 23, 2004
6818886 Detection method Nov. 16, 2004
6818887 Reflector for a time-of-flight mass spectrometer Nov. 16, 2004
6818890 High performance ion mobility spectrometry using hourglass electrodynamic funnel and internal ion funnel Nov. 16, 2004
6815666 Single stage accelerator mass spectrometer Nov. 9, 2004
6815668 Method and apparatus for chromatography-high field asymmetric waveform ion mobility spectrometry Nov. 9, 2004
6815670 Materials and apparatus for the detection of contraband Nov. 9, 2004
6815672 Method of analyzing polymer by using laser abrasion and system therefor Nov. 9, 2004
6815673 Use of notched broadband waveforms in a linear ion trap Nov. 9, 2004
6811977 Rapid, quantitative method for the mass spectrometric analysis of nucleic acids for gene expression and genotyping Nov. 2, 2004
6812453 Mass spectrometer Nov. 2, 2004
6812457 Microfluidic system Nov. 2, 2004
6809312 Ionization source chamber and ion beam delivery system for mass spectrometry Oct. 26, 2004
6809318 Method of transmitting ions for mass spectroscopy Oct. 26, 2004
6805789 Methods of producing electrodes and methods of using such electrodes to accumulate and detect analytes Oct. 19, 2004
6806450 Hazardous material detection system Oct. 19, 2004
6806462 Method of separation of palladium isotopes in electromagnetic separator using a source of ions Oct. 19, 2004
6806463 Micromachined field asymmetric ion mobility filter and detection system Oct. 19, 2004
6806466 Parallel plate geometry FAIMS apparatus and method Oct. 19, 2004
6806468 Capillary ion delivery device and method for mass spectroscopy Oct. 19, 2004
6803563 Method and apparatus for monitoring the quality of lubricant Oct. 12, 2004
6803565 Ionization source utilizing a multi-capillary inlet and method of operation Oct. 12, 2004
6803566 Sampling probe for microarray read out using electrospray mass spectrometry Oct. 12, 2004
6803568 Multi-channel microfluidic chip for electrospray ionization Oct. 12, 2004
6803569 Method and device for irradiating ions in an ion cyclotron resonance trap with photons and electrons Oct. 12, 2004
6800489 Electrospray tandem mass spectrometry of transition metal diimine complexes of amino acids, .alpha.-hydroxyketones and hexose phosphates for newborn screening Oct. 5, 2004
6800846 Mass spectrometer Oct. 5, 2004
6800848 Method and apparatus for ion attachment mass spectrometry Oct. 5, 2004

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