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Class Information
Number: 73/61.52
Name: Measuring and testing > Liquid analysis or analysis of the suspension of solids in a liquid > Content or effect of a constituent of a liquid mixture > Liquid constituent of a liquid mixture > Chromatography
Description: Subject matter wherein the determination is made by successively testing the effluence of a mixture of liquids, which has contacted a solvent or sorbent which separates the mixture into fractional components in order to determine the quantity, quality or identity of a component of the effluent.

Sub-classes under this class:

Class Number Class Name Patents
73/61.53 Column detail 81
73/61.56 Detail of fluid handling means (e.g., valve, control, etc.) 196
73/61.58 Detector detail 83
73/61.55 Including sampling, sample handling, or sample preparation 174
73/61.54 Paper or thin layer type 30
73/61.57 With detail of compensation or regulating means 39

Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8702983 Chromatography columns, systems and methods Apr. 22, 2014
8679346 Optical-isomer-separating agent Mar. 25, 2014
8658428 Methodology for determination of nitrogen content in nitrocellulose Feb. 25, 2014
8650936 Liquid chromatography device Feb. 18, 2014
8641882 Capillary column cartridge Feb. 4, 2014
8608961 Method for affinity chromatography of antithrombin III Dec. 17, 2013
8597571 Electrolytic eluent recycle device, apparatus and method of use Dec. 3, 2013
8574432 Integrated chromatography devices and systems for monitoring analytes in real time and methods for manufacturing the same Nov. 5, 2013
8569070 Connection assembly for ultra high pressure liquid chromatography Oct. 29, 2013
8544350 Sample injector Oct. 1, 2013
8541243 Method for assessment of folate phenotypes, disease risk and response to therapy Sep. 24, 2013
8522603 Method for analysis of saccharides Sep. 3, 2013
8507260 Multistep reaction lateral flow capillary Aug. 13, 2013
8506801 Device for capillary chromatography and method for manufacturing such a device Aug. 13, 2013
8496818 HPLC capillary column device Jul. 30, 2013
8496819 Separation column for liquid chromatograph apparatus and liquid chromatograph apparatus using thereof Jul. 30, 2013
8476491 Method of utilizing the PTS gene and RNA interference of the ads gene to increase patchouli alcohol content in Artemisia annua L. Jul. 2, 2013
8476492 Method of utilizing the pts gene and anti-sense ads to increase patchouli alcohol content in Artemisia annua L Jul. 2, 2013
8435795 Evaluating heparin preparations May. 7, 2013
8425842 Suppressor and ion chromatograph employing the same Apr. 23, 2013
8397553 Liquid chromatography detector and flow controller therefor Mar. 19, 2013
8349615 Method for the optimization of chromatographic purification processes for biological molecules Jan. 8, 2013
8343774 Chromatography-based monitoring and control of multiple process streams Jan. 1, 2013
8342007 Electrochemical detection cell for liquid chromatography system Jan. 1, 2013
8336371 Real-time, on-line analysis for the quantification of trihalomethane species within drinking water supplies Dec. 25, 2012
8323569 Apparatus for method for polymer characterization Dec. 4, 2012
8297936 Compensating temperature-induced errors during piston movement Oct. 30, 2012
8292990 Nebulizer waste pressure reducer for HPLC systems Oct. 23, 2012
8268626 Method for analyzing of lipoproteins Sep. 18, 2012
8216515 Capillary ion chromatography Jul. 10, 2012
8206986 Methods for detecting Alzheimer's disease Jun. 26, 2012
8205485 Way of method transfer of liquid chromatograph and liquid chromatograph system Jun. 26, 2012
8173070 Sample injector system for liquid chromatography May. 8, 2012
8168437 Quantitative determination of risedronate in urine by SPE-LC-MS-MS May. 1, 2012
8156788 Supercritical-phase mixed chromatography method and installation for implementing same Apr. 17, 2012
8122760 Method of analyzing phosphorous acid, fosetyl-Al, or both simultaneously Feb. 28, 2012
8030087 Method for analyzing concentration of glue contained in electrolyte solution Oct. 4, 2011
8014962 Method and apparatus for analyzing multi-channel chromatogram Sep. 6, 2011
8006540 Automatic solid-phase microextraction sampling apparatus Aug. 30, 2011
7992428 Method and device for ingredient analysis Aug. 9, 2011
7987701 Real-time, on-line analysis for the quantification of total haloacetic acid and trihalomethane species in drinking water supplies Aug. 2, 2011
7985593 Apparatus and method for polymer characterization Jul. 26, 2011
7976780 Method and apparatus for measuring isotopic characteristics Jul. 12, 2011
7959865 Miniaturized gas chromatograph and injector for the same Jun. 14, 2011
7921696 Liquid chromatograph device Apr. 12, 2011
7897404 Conjugates of defined stoichiometry Mar. 1, 2011
7871519 Methods for detection, identification and quantification of impurities Jan. 18, 2011
7866203 Method for the quantitative determination of poloxamers Jan. 11, 2011
7811451 Separation column and liquid chromatograph using the same Oct. 12, 2010
7767463 Method for screening mobile phases in chromatography systems Aug. 3, 2010

1 2 3 4 5 6

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