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Browse by Category: Main > Chemistry
Class Information
Number: 436/17
Name: Chemistry: analytical and immunological testing > Composition for standardization, calibration, simulation, stabilization, preparation or preservation; processes of use in preparation for chemical testing > Preparation composition (e.g., lysing or precipitation, etc.)
Description: Compositions which are used to prepare a sample for a chemical test.










Patents under this class:
1 2 3 4 5 6 7 8 9

Patent Number Title Of Patent Date Issued
5538893 Reagent for analyzing leukocytes and a method for classifying leukocytes Jul. 23, 1996
5538893 Reagent for analyzing leukocytes and a method for classifying leukocytes Jul. 23, 1996
5527706 Method for mixing two initial solutions Jun. 18, 1996
5525519 Method for isolating biomolecules from a biological sample with linear polymers Jun. 11, 1996
5518928 Leukocyte differentiation method May. 21, 1996
5516695 Multipurpose reagent system for rapid lysis of whole blood May. 14, 1996
5516700 Automated urinalysis method May. 14, 1996
5512485 Hematology control composition including leukocyte analogs; and methods for their preparation and use Apr. 30, 1996
5504012 Method for fixing fecal samples Apr. 2, 1996
5496734 Treatment method for blood analysis Mar. 5, 1996
5486477 Reagent system for improved multiple species blood analysis Jan. 23, 1996
5459073 Method and composition for preserving antigens and process for utilizing cytological material produced by same Oct. 17, 1995
5457024 Isolation of fetal erythrocytes Oct. 10, 1995
5453379 Eliminating agent for glycosylated hemoglobin and a test method using the same Sep. 26, 1995
5453381 Method for adhering fecal samples to slides Sep. 26, 1995
5438000 Serum separation sealant Aug. 1, 1995
5434081 Method of classifying leukocytes by flow cytometry Jul. 18, 1995
5422279 Lipid fractionation Jun. 6, 1995
5416029 System for identifying tissue samples May. 16, 1995
5389549 Method for classifying leukocytes and a reagent used therefor Feb. 14, 1995
5385890 Antithrombin III preparation Jan. 31, 1995
5380664 Hematology control compositions for three populations of leukocytes; and methods for their preparation and use in whole blood control systems Jan. 10, 1995
5378629 Wash composition for determination of microorganisms associated with periodontal diseases Jan. 3, 1995
5378633 Method for accurately enumerating and sensitively qualifying heterogenous cell populations in cytolytic processing conditions Jan. 3, 1995
5366895 Method for lysing liposomes using polyethyleneglycol monononylphenyl ethers Nov. 22, 1994
5350695 Methods for the identification and characterization of reticulocytes in whole blood Sep. 27, 1994
5338684 Stable aqueous FK506 standards Aug. 16, 1994
5320964 Hematology control composition including leukocyte analogs; and methods for their preparation and use Jun. 14, 1994
5316725 Reagent system for the improved determination of white blood cell subpopulations May. 31, 1994
5310679 Composition for reducing turbidity in samples of biological fluids May. 10, 1994
5308768 Serum with reduced levels of steroids May. 3, 1994
5308772 Method for classifying and counting leukocytes May. 3, 1994
5292663 Method of treating blood containing labile glycosylated hemoglobin A.sub.1C Mar. 8, 1994
5284771 Reagent compositions and their use in sphering cells Feb. 8, 1994
5284777 Combined glycated hemoglobin and immunoturbidometric glycated albumin assay from whole blood lysate Feb. 8, 1994
5278044 Stable aqueous NADH reagent and kit Jan. 11, 1994
5270208 White blood cell hematology control Dec. 14, 1993
5264369 Method of preparing specimen for counting subpopulations of leukocytes and erythroblasts Nov. 23, 1993
5262329 Method for improved multiple species blood analysis Nov. 16, 1993
5262328 Composition for the clarification of sugar-bearing juices and related products Nov. 16, 1993
5258315 Process and composition for the removal of turbidity from biological fluids Nov. 2, 1993
5258311 Lithium salts as red blood cell lysing and hemoglobin denaturing reagents Nov. 2, 1993
5256571 Cell preservative solution Oct. 26, 1993
5250437 Reagent for simultaneous determination of hemoglobin and leukocytes in blood Oct. 5, 1993
5250438 Method for differential determination of white blood cells using diazolidinyl urea to stabilize white blood cells Oct. 5, 1993
5242832 Reagent for measurement of leukocytes and hemoglobin in blood Sep. 7, 1993
5232857 Reagent for use in automatic analyzers for distinguisher leukocyte sub-populations in blood samples Aug. 3, 1993
5231030 Temperature insensitive calibration system Jul. 27, 1993
5227304 Method for counting whole blood diluent and detergent reagent system Jul. 13, 1993
5227305 Buffer solution systems for standardizing pH analyzers and electrolytes Jul. 13, 1993

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