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Class Information
Number: 436/170
Name: Chemistry: analytical and immunological testing > Optical result > With reagent in absorbent or bibulous substrate > Plural superposed layers
Description: Processes wherein the absorbent or bibulous carrier or substrate includes plural superposed layers, and wherein the material to be analyzed flows between at least two layers.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7615376 |
Masking background fluorescence and luminescence in the optical analysis of biomedical assays |
Nov. 10, 2009 |
| 7582484 |
High-density lipoprotein assay device and method |
Sep. 1, 2009 |
| 7569359 |
Indicator device having an active agent encapsulated in an electrospun nanofiber |
Aug. 4, 2009 |
| 7560288 |
Diagnostic sanitary test strip |
Jul. 14, 2009 |
| 7556769 |
Fecal occult test packaging |
Jul. 7, 2009 |
| 7553675 |
Diagnostic assay device having an apparent non-signal line |
Jun. 30, 2009 |
| 7549323 |
Diagnostic test strip for collecting and detecting an analyte in a fluid sample and method for using the same |
Jun. 23, 2009 |
| 7541194 |
Device for collection and assay of oral fluids |
Jun. 2, 2009 |
| 7521259 |
Assay test strips with multiple labels and reading same |
Apr. 21, 2009 |
| 7494824 |
Interactive system for presenting and eliminating substances |
Feb. 24, 2009 |
| 7407809 |
Method for determining asphaltenes contamination in used marine engine lubricants using UV-visible spectroscopy and chemometrics |
Aug. 5, 2008 |
| 7300750 |
Analyte assay device with preabsorbing zone |
Nov. 27, 2007 |
| 7300802 |
Membrane strip biosensor system for point-of-care testing |
Nov. 27, 2007 |
| 7241621 |
Method for determining residual fuel and insolubles contamination in used marine engine lubricants using UV-visible spectroscopy and chemometrics |
Jul. 10, 2007 |
| 7226793 |
Method for adding an apparent non-signal line to a lateral flow assay |
Jun. 5, 2007 |
| RE39664 |
Lateral flow chromatographic binding assay device |
May. 29, 2007 |
| 7195921 |
Adhered membranes retaining porosity and biological activity |
Mar. 27, 2007 |
| 7192555 |
Device for collection and assay of oral fluids |
Mar. 20, 2007 |
| 7189576 |
Method for measuring substance and testing piece |
Mar. 13, 2007 |
| 7179657 |
Method for adding an apparent non-signal line to a rapid diagnostic assay |
Feb. 20, 2007 |
| 7138280 |
Masking of the background fluorescence and luminescence in the optical analysis of biomedical assays |
Nov. 21, 2006 |
| 7125493 |
Highly asymmetric, hydrophilic, microfiltration membranes having large pore diameters |
Oct. 24, 2006 |
| 7115421 |
Method and device for measurement of hematocrit |
Oct. 3, 2006 |
| 7115362 |
Electrochemical test device and related methods |
Oct. 3, 2006 |
| 7063952 |
Masking background flourescence and luminescence in optical analysis of biomedical assays |
Jun. 20, 2006 |
| 7049130 |
Diagnostic sanitary test strip |
May. 23, 2006 |
| 7018848 |
Electrochemical test device and related methods |
Mar. 28, 2006 |
| 6991940 |
Diagnostic sanitary test strip |
Jan. 31, 2006 |
| 6962819 |
Method of measuring analyte using dry analytical element |
Nov. 8, 2005 |
| 6929955 |
Interactive system for presenting and eliminating substances |
Aug. 16, 2005 |
| 6905882 |
Diagnostic devices and apparatus for the controlled movement of reagents without membranes |
Jun. 14, 2005 |
| 6893832 |
Method for quantifying cholesterol in high density lipoprotein |
May. 17, 2005 |
| 6881378 |
Multilayered analytical device |
Apr. 19, 2005 |
| 6881581 |
High-density lipoprotein assay device and method |
Apr. 19, 2005 |
| 6872522 |
Broad specificity affinity arrays: a qualitative approach to complex sample discrimination |
Mar. 29, 2005 |
| 6869568 |
Functional assay of high-density lipoprotein |
Mar. 22, 2005 |
| 6867052 |
Biological material detecting articles of manufacture |
Mar. 15, 2005 |
| 6864201 |
Preparation and screening of crystalline zeolite and hydrothermally-synthesized materials |
Mar. 8, 2005 |
| 6855561 |
Method for adding an apparent non-signal line to a lateral flow assay |
Feb. 15, 2005 |
| 6818180 |
Devices for testing for the presence and/or concentration of an analyte in a body fluid |
Nov. 16, 2004 |
| 6812035 |
Dye desortion molecular indicator |
Nov. 2, 2004 |
| 6800488 |
Methods of manufacturing reagent test strips |
Oct. 5, 2004 |
| 6780651 |
Device for determination of an analyte in a body fluid |
Aug. 24, 2004 |
| 6770447 |
Optical assay device and method |
Aug. 3, 2004 |
| 6703196 |
General purpose structure of an analytical element and its application for analyte determination |
Mar. 9, 2004 |
| 6696024 |
Device for the capillary transport of liquid |
Feb. 24, 2004 |
| 6686208 |
Device and method for carrying out fluoresence immunotests |
Feb. 3, 2004 |
| 6677158 |
Method for measurement of glycated hemoglobin by a rapid strip test procedure |
Jan. 13, 2004 |
| 6638772 |
Electrochemical test device |
Oct. 28, 2003 |
| 6616893 |
Diagnostic testing kit for collection and testing of fluid samples with user configurable test strips and timer |
Sep. 9, 2003 |
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