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Class Information
Number: 436/178
Name: Chemistry: analytical and immunological testing > Including sample preparation > Liberation or purification of sample or separation of material from a sample (e.g., filtering, centrifuging, etc.) > Including use of a solid sorbent, semipermeable membrane, or liquid extraction
Description: Processes wherein the material to be analyzed is concentrated or separated by sorption, ion entrapment, a septum selective as to material or by liquid extraction.

Patents under this class:

Patent Number Title Of Patent Date Issued
8709820 Concentration measuring apparatus for hydrogen sulfide in gas flow, and method for determining sulfide ion Apr. 29, 2014
8709815 System and method for the analysis of biodiesel Apr. 29, 2014
8709358 Cartridge for separating analyte from mixture, comprising dispensing and receiving chambers and insert Apr. 29, 2014
8703492 Open platform hybrid manual-automated sample processing system Apr. 22, 2014
8685749 Methods and systems for processing samples on porous substrates Apr. 1, 2014
8685748 Devices and methods for collection, storage and transportation of biological specimens Apr. 1, 2014
8685747 Porous materials for biological sample collection Apr. 1, 2014
8679857 Method and device for sample preparation Mar. 25, 2014
8664005 Method for introducing and transferring multiple minute quantity samples Mar. 4, 2014
8664004 Method for analysis of contaminants in a process fluid stream Mar. 4, 2014
8664001 Immunochemical filter device and methods for use thereof Mar. 4, 2014
8658428 Methodology for determination of nitrogen content in nitrocellulose Feb. 25, 2014
8647574 Sample preparation container and method Feb. 11, 2014
8647508 System and method for processing samples Feb. 11, 2014
8636954 Calibration slide for fluorescence detection instruments and process of preparation Jan. 28, 2014
8633032 Nucleic acid extraction kit, nucleic acid extraction method, and nucleic acid extraction apparatus Jan. 21, 2014
8632991 Methods and compositions for treating bleeding disorders Jan. 21, 2014
8632740 Device and methods for collection of biological fluid sample and treatment of selected components Jan. 21, 2014
8632732 Device and method for measuring the water activity of foods Jan. 21, 2014
8617904 Sperm cell processing methods Dec. 31, 2013
8617898 Quantitative analysis of vitamin D3, vitamin D2, and metabolites thereof Dec. 31, 2013
8617897 Method of detecting oxides of nitrogen Dec. 31, 2013
8603833 Germania-silica-based sol-gel monolith and uses thereof Dec. 10, 2013
8592157 Method for separating an analyte from a sample Nov. 26, 2013
8586382 Method and apparatus for desorption of a blood sample from a medical test sheet Nov. 19, 2013
8586367 Methods for analyzing polar metabolites of the energy metabolism Nov. 19, 2013
8574923 Sample preparation device Nov. 5, 2013
8574919 Mechanical cartridge with test strip fluid control features for use in a fluid analyte meter Nov. 5, 2013
8562840 Devices and methods for the purification, isolation, desalting or buffer/solvent exchange of substances Oct. 22, 2013
8557593 Mass spectrometric determination of eicosapentaenoic acid and docosahexaenoic acid Oct. 15, 2013
8557590 Method for measuring glycated hemoglobin Oct. 15, 2013
8513022 Analytical method and apparatus Aug. 20, 2013
8507292 Sample pretreatment and extraction Aug. 13, 2013
8507291 Detergent removal from protein samples prior to mass spectrometry analysis Aug. 13, 2013
8507288 Nitrogen dioxide sensing apparatus and method using carbon nanomaterials as an ozone removal material Aug. 13, 2013
8506813 Bidirectional transfer of an aliquot of fluid between compartments Aug. 13, 2013
8501939 Triazines and pyrimidines as protein binding ligands Aug. 6, 2013
8491791 Fluidics device Jul. 23, 2013
8491561 Micromachined bilayer unit of engineered tissues Jul. 23, 2013
8486346 Gas scrubber for automated clinical analyzer Jul. 16, 2013
8470258 Surface-structured device for life-science applications Jun. 25, 2013
8465986 Submergible spray chamber for a tablet Jun. 18, 2013
8460941 Methods and kit for isolating nucleic acids Jun. 11, 2013
8449830 Microfluidic extraction and reaction device May. 28, 2013
8426541 Synthetic mycotoxin adsorbents and methods of making and utilizing the same Apr. 23, 2013
8426212 Method and system for monitoring for the presence of phosphate esters in jet fuel Apr. 23, 2013
8425860 Biological material fixed region enclosing tip, biological material fixed region treatment apparatus, and treatment method thereof Apr. 23, 2013
8409865 Methods and kits for the determination of the presence and quantity of vitamin D analogs in samples Apr. 2, 2013
8409443 Vessel, dispensing devices, kits and methods for containing fluids Apr. 2, 2013
8404489 Nucleic acid extraction kit, nucleic acid extraction method, and nucleic acid extraction apparatus Mar. 26, 2013

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