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Browse by Category: Main > Chemistry
Class Information
Number: 436/177
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.)
Description: Processes in which the sample to be subjected to chemical analysis is the product of an isolation or purification procedure.










Sub-classes under this class:

Class Number Class Name Patents
436/178 Including use of a solid sorbent, semipermeable membrane, or liquid extraction 1,177


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
8709818 Lipoprotein analysis by differential charged-particle mobility 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
8703502 Analyte ionization by charge exchange for sample analysis under ambient conditions Apr. 22, 2014
8703494 Systems and methods for determining the percentage of glycated hemoglobin Apr. 22, 2014
8703492 Open platform hybrid manual-automated sample processing system Apr. 22, 2014
8691151 Opto-fluidic architecture for particle manipulation and sorting Apr. 8, 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
8685347 Penetrable cap Apr. 1, 2014
8679857 Method and device for sample preparation Mar. 25, 2014
8673215 Test device for platelet aggregation detection Mar. 18, 2014
8673153 Method and device for division of a biological sample by magnetic effect Mar. 18, 2014
8669118 Methods and systems for collecting cells of a biological specimen Mar. 11, 2014
8664004 Method for analysis of contaminants in a process fluid stream Mar. 4, 2014
8664003 Chip provided with film having hole pattern with the use of thermoresponsive polymer and method of producing the same Mar. 4, 2014
8664002 Method and system for collecting cells following laser microdissection Mar. 4, 2014
8664001 Immunochemical filter device and methods for use thereof Mar. 4, 2014
8664000 Analyte ionization by charge exchange for sample analysis under ambient conditions Mar. 4, 2014
8658428 Methodology for determination of nitrogen content in nitrocellulose Feb. 25, 2014
8652409 Photoelectrocatalytic fluid analyte sensors including reference electrodes Feb. 18, 2014
8647575 Device for measuring blood component Feb. 11, 2014
8642353 Microfluidic device for inducing separations by freezing and associated method Feb. 4, 2014
8642348 Direct method and reagent kits for fatty acid ester synthesis Feb. 4, 2014
8633032 Nucleic acid extraction kit, nucleic acid extraction method, and nucleic acid extraction apparatus Jan. 21, 2014
8632740 Device and methods for collection of biological fluid sample and treatment of selected components Jan. 21, 2014
8632736 Float and tube system for separating a suspension with an internal trap Jan. 21, 2014
8623665 Fecal sample collection and processing apparatus and method Jan. 7, 2014
8623659 Sickle confirm modified hemoglobin solubility test Jan. 7, 2014
8617904 Sperm cell processing methods Dec. 31, 2013
8617898 Quantitative analysis of vitamin D3, vitamin D2, and metabolites thereof Dec. 31, 2013
8614101 In situ lysis of cells in lateral flow immunoassays Dec. 24, 2013
8603830 Method for the determination of polysorbate 80 Dec. 10, 2013
8603345 Devices for component removal during blood collection, and uses thereof Dec. 10, 2013
8597878 Device and procedure for automated isolation and purification of nucleic acids from complex starting materials of the users choice Dec. 3, 2013
8597580 Apparatus for diagnostic gas analysis Dec. 3, 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
8586356 Gal .alpha.1-3gal-containing N-glycans in glycoprotein products derived from CHO cells Nov. 19, 2013
8585971 Devices and method for enrichment and alteration of cells and other particles 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
8574913 Method for measurement of hemoglobin and hemoglobin derivative, and measurement kit Nov. 5, 2013
8569009 Methods and compositions for detecting rare cells from a biological sample Oct. 29, 2013
8568994 Method for prenatal diagnosis Oct. 29, 2013
8557593 Mass spectrometric determination of eicosapentaenoic acid and docosahexaenoic acid Oct. 15, 2013
8557591 Methods for assaying percentage of glycated hemoglobin Oct. 15, 2013
8557590 Method for measuring glycated hemoglobin Oct. 15, 2013











 
 
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