ClassID:

29816

B01D59/44 - CPC Classification

Classification description:

Separation of different isotopes of the same chemical element Separation by mass spectrography

Sub-classes:
Recent Application in this class:
#1
20230108163
2023-04-06

Isotope Ratio Measurement

#2
20220277941
2022-09-01

Mass spectrometric determination of tissue states

#3
20210255153
2021-08-19

Systems and methods of determining isotopic composition of gaseous samples

#4
20200381229
2020-12-03

Mass spectrometric determination of tissue states

#5
20200355654
2020-11-12

Data processing method for chromatograph mass spectrometry, chromatograph mass spectrometer, and non-transitory storage medium storing program for processing chromatograph mass spectrometry data

#6
20200047123
2020-02-13

Isotope ratio measurement

#7
20190293611
2019-09-26

Method for identifying a reagent during a process in an analysis system

#8
20190272987
2019-09-05

Sample preparation apparatus and method for elemental analysis spectrometer

#9
20190096650
2019-03-28

Method for evaluating the quality of mass spectrometric imaging preparations and kit-of-parts therefor

#10
20190049460
2019-02-14

Method for determining a concentration of a target analyte in a sample of bodily fluid

#11
20180140970
2018-05-24

Sampling pumps and closed loop control of sampling pumps to load traps

#12
20180099249
2018-04-12

System and method for real-time isotope identification

#13
20180076013
2018-03-15

Sample preparation apparatus and method for elemental analysis spectrometer

#14
20170047217
2017-02-16

Dynamic range improvement for isotope ratio mass spectrometry

#15
20150206733
2015-07-23

TECHNIQUES FOR PERFORMING MASS SPECTROMETRY

#16
20140312219
2014-10-23

Simultaneous inorganic mass spectrometer and method of inorganic mass spectrometry

#17
20140117225
2014-05-01

Method for analyzing glycan structure

#18
20140110661
2014-04-24

Multinozzle emitter arrays for ultrahigh-throughput nanoelectrospray mass spectrometry

#19
20140048700
2014-02-20

Sample component trapping, release, and separation with membrane assemblies interfaced to electrospray mass spectrometry

#20
20130341279
2013-12-26

Ionization method, mass spectrometry method, extraction method, and purification method

#21
20130248365
2013-09-26

Method for isotopic measurement by ICPMS

#22
20130214143
2013-08-22

Isotopic abundance in atom trap trace analysis

#23
20130174731
2013-07-11

Isotope separation by magnetic activation and separation

#24
20130009054
2013-01-10

Method for direct measurement of isotopes of expired gases

#25
20120318050
2012-12-20

Sample component trapping, release, and separation with membrane assemblies interfaced to electrospray mass spectrometry

#26
20120267523
2012-10-25

Miniature toroidal radio frequency ion trap mass analyzer

#27
20120158318
2012-06-21

Method and apparatus for correlating precursor and product ions in all-ions fragmentation experiments

#28
20120142118
2012-06-07

MICROFABRICATION OF HIGH TEMPERATURE MICROREACTORS

#29
20120006678
2012-01-12

Apparatus for providing a substance for the analysis of isotope ratios

#30
20120003676
2012-01-05

Mass spectrometry assay for thiopurine-S-methyl transferase activity and products generated thereby

#31
20110309244
2011-12-22

Multipole ion guide ion trap mass spectrometry with MS/MS analysis

#32
20110303840
2011-12-15

Multipole ion guide ion trap mass spectrometry with MS/MSN analysis

#33
20110278203
2011-11-17

SEPARATION OF PARTICLES FROM A FLOWING STREAM

#34
20110220789
2011-09-15

Sample component trapping, release, and separation with membrane assemblies interfaced to electrospray mass spectrometry

#35
20110212536
2011-09-01

METHOD AND APPARATUS FOR THE ISOTOPE-RATIO ANALYSIS

#36
20100320378
2010-12-23

Method and apparatuses for ion cyclotron spectrometry

#37
20100264305
2010-10-21

Total carbon mass determination by accelerator mass spectrometry (AMS) using 13C isotope dilution

#38
20100252732
2010-10-07

Device and method for direct measurement of isotopes of expired gases

#39
20100171032
2010-07-08

Self calibration approach for mass spectrometry

#40
20100160614
2010-06-24

Method and apparatus for isolating a radioisotope

#41
20100148054
2010-06-17

Mass spectrometry assay for thiopurine-S-methyl transferase activity and products generated thereby

#42
20090314057
2009-12-24

Method and device for the analysis of isotope ratios

#43
20090159795
2009-06-25

Device for the analysis of isotope ratios

#44
20090124518
2009-05-14

Generation and use of isotopic patterns in mass spectral phenotypic comparison of organisms

#45
20090114809
2009-05-07

ISOTOPE RATIO MASS SPECTROMETER AND METHODS FOR DETERMINING ISOTOPE RATIOS

#46
20090078863
2009-03-26

Determination of chemical empirical formulas of unknown compounds using accurate ion mass measurement of all isotopes

#47
20090076737
2009-03-19

Qualitative and quantitative mass spectral analysis

#48
20090032696
2009-02-05

Method and apparatus for ion cyclotron spectrometry

#49
20090020696
2009-01-22

Membrane interface apparatus and method for mass spectrometry

#50
20080302957
2008-12-11

IDENTIFYING IONS FROM MASS SPECTRAL DATA

#51
20080265152
2008-10-30

Mass spectrometer

#52
20080260587
2008-10-23

Hydrocarbon Preparation System

#53
20080241025
2008-10-02

Method and apparatus for isolating the radioisotope Rhenium

#54
20080224032
2008-09-18

Micromachined field asymmetric ion mobility filter and detection system

#55
20080128612
2008-06-05

Method and apparatus for chromatography high field asymmetric waveform ion mobility spectrometry

#56
20080047330
2008-02-28

Sample component trapping, release, and separation with membrane assemblies interfaced to electrospray mass spectrometry

#57
20080035840
2008-02-14

Process and apparatus for isotope determination of condensed phase samples

#58
20070298515
2007-12-27

Method and devices for running reactions on a target plate for MALDI mass spectrometry

#59
20070284523
2007-12-13

Process and apparatus for 15-nitrogen isotope determination of condensed phase samples

#60
20070114374
2007-05-24

Dynamic adjustment of ion monitoring periods

#61
20070114373
2007-05-24

Determination of chemical empirical formulas of unknown compounds using accurate ion mass measurement of all isotopes

#62
20070095675
2007-05-03

Method for providing a substance for the analysis of isotope ratios

#63
20070018091
2007-01-25

Sample preparation method

#64
20060169885
2006-08-03

System and method for isotopic signature and mass analysis

#65
20060169883
2006-08-03

Aspects of mass spectral calibration

#66
20060118717
2006-06-08

Micromachined field asymmetric ion mobility filter and detection system

#67
20060113464
2006-06-01

Method and apparatus for separation of isobaric interferences

#68
20060008916
2006-01-12

Method for measuring strontium isotope ratios using mass spectrometer

#69
20050285031
2005-12-29

Method and system for high-throughput quantitation using laser desorption and multiple-reaction-monitoring

#70
20050263699
2005-12-01

Method and apparatus for chromatography-high field asymmetric waveform ion mobility spectrometry

#71
20050153344
2005-07-14

Method and devices for running reactions on a target plate for MALDI mass spectrometry

#72
20050082473
2005-04-21

Mobile system for in situ acquisition of carbon isotope data on natural gas

#73
20050061965
2005-03-24

Method for determining atomic isotope masses

#74
20050029443
2005-02-10

Method and apparatus for chromatography-high field asymmetric waveform ion mobility spectrometry

#75
20050023457
2005-02-03

Micromachined field asymmetric ion mobility filter and detection system

#76
20050017163
2005-01-27

Method and apparatus for chromatography-high field asymmetric waveform ion mobility spectrometry

#77
20050008543
2005-01-13

Method for determining ratio of oxygen isotopes in oxygen-containing solids by heating in graphite crucible

#78
15697612
2018-10-30

Isotope ratio mass spectrometry

#79
13537285
2013-07-09

Atmospheric pressure plasma mass spectrometer