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| Number | Title | Issue Date |
| 4239746 | Complement fixation test employing reactants in a disposable package A ready-for-use rapid test package for carrying out serological investigations in which at least two of the following reactants: (1) patients serum; (2) erythrocytes; (3) amboceptors specific for the erythrocytes; (4) complement and (5) a reactant selected from the... | 12/16/1980 |
| 4238473 | Artificial oligosaccharide antigenic determinants Carbohydrate antigenic determinants containing a glycosidically linked bridging arm are synthesized and coupled to carrier molecules to form artificial antigens, and to solid supports to form immunoadsorbents. Various artificial antigens of the blood grou... | 12/09/1980 |
| 4216291 | Thrombosis-test A thrombosis test is based on the presence of specific, newly-found, enzyme-inhibitor complexes (such as plasmin-antiplasmin, plasmin-댒 -macroglobulin, thrombin-antithrombin-III) in blood samples having an activated blood coagulation and... | 08/05/1980 |
| 4200434 | Immunological blood test method A method for immunological blood testing carried out by the use of a coil column, composed of a transparent tube helically wound on a support rod. To carry out the test, the coil column filled with a liquid solution of a polymer compound is, after a dropl... | 04/29/1980 |
| 4193982 | Process for coupling biological substances by covalent bonds A process for coupling biological substances by covalent bonds that involves the use of benzoquinone as cross-linking agent in large excess compared with the substance to be activated. The activation reaction is realized in a homogeneous liquid medium. Th... | 03/18/1980 |
| 4193981 | Process for quantitative determination of CAPA antigen or antibody A process for quantitative determination of the amount of antigen in a solution while using hemagglutination inhibition technique, comprising preparing under serial dilution a series of samples of said solution, adding to each of said samples a predetermi... | 03/18/1980 |
| 4180437 | Purification of antiserum for thrombosis test Antiserum which has been generated against an enzyme-inhibitor-complex is purified by immunoprecipitating a freshly generated antiserum with fresh human bloodplasma to form a precipitate and a fluid, and subjecting the fluid to chromatographic separation ... | 12/25/1979 |
| 4176174 | Viral antibody diagnostic test system A diagnostic reagent for detecting the presence of specific microbial antibodies in body fluids which comprises a gel containing intact erythrocytes, which have appropriate microbial particles adhering directly or indirectly to the surface thereof, the ge... | 11/27/1979 |
| 4164558 | Method for optimizing reagents for agglutination reactions A method and compositions are provided to effect optimization of methods for determining concentrations of antibodies or antigens. Particles coated with an antigen or an antibody are suspended in an aqueous medium where pH and ionic strength are controlle... | 08/14/1979 |
| 4162003 | Ready-for-use rapid test package for serological tests A ready-for-use rapid test package for carrying out serological investigations in which at least two of the following reactants: (1) patients serum; (2) erythrocytes; (3) amboceptors specific for the erythrocytes; (4) complement and (5) a reactant selected from the... | 07/24/1979 |
| 4152410 | Diagnosis reagent for neoplasm and method for diagnosis of neoplasm NEA (Neoplasm embryonic antigen) and NEA antibody; diagnosis reagents for neoplasm comprising a substance selected from the group consisting of NEA antibody, NEA or NEA antibody labelled with a radioactive isotope, a combined product of NEA or NEA antibod... | 05/01/1979 |
| 4148607 | Apparatus and analysis for agglutination reaction Analysis of and apparatus for studying simple or complex agglutination reactions, such as for blood analysis and in particular blood groupings in which the specimen is mixed with at least one reagent in a vessel of predetermined shape and this mixture is ... | 04/10/1979 |
| 4137401 | Glycoside-ether-ester compounds Carbohydrate antigenic determinants containing a glycosidically linked bridging arm are synthesized and coupled to carrier molecules to form artificial antigens, and to solid supports to form immunoabsorbants. These artificial antigens are used to detect ... | 01/30/1979 |
| 4130634 | Method for detecting and quantifying antigens Method for detecting and quantifying an antigen by contacting with erythrocytes coated with antibody specific to the antigen and reactive therewith, followed by treatment with developer comprising antibody reactive with the antigen and with complement. Ly... | 12/19/1978 |
| 4130395 | Process and apparatus for detection of specific biological factors by means of osmotic hemolysis The extent of lysis or red blood cells treated with a test solution containing a known or suspected agglutinating factor, and preferably with a lipid, serves for blood typing and cross matching, and, in addition for the detection and semi-quantitation of ... | 12/19/1978 |
| 4107287 | GC Antigen-specific immunochemical indicator reagent and method for preparing same An immunochemical indicator reagent capable of indicating the presence of specific antigenic or haptenic material by hemagglutination reaction therewith, comprising the corresponding antibody globulin molecules chemically coupled to erythrocyte carrier pa... | 08/15/1978 |
| 4105598 | Cell specific, variable density, polymer microspheres Biocompatible polymeric microspheres having an average diameter below about 3 microns and having a density at least 15% greater or lesser than organic cells and having covalent binding sites are provided in accordance with this invention. The microspheres... | 08/08/1978 |
| 4080264 | Immunoassay by light scattering spectroscopy This inventin provides a means for determining the concentration of any of a wide range of antibody or antigen molecules with a high degree of specificity, accuracy and sensitivity. Antigen or antibody concentration is determined by effecting an agglutina... | 03/21/1978 |
| 4055394 | Diagnostic test card A test card adapted for the performance of an immunochemical diagnostic or serological test thereon comprises a test surface member and a covering member foldable thereon, the covering member being provided with circular convex windows which when folded o... | 10/25/1977 |
| 4046871 | Compositions and serological methods including bovine serum albumin polymers New serological albumin compositions are provided which have greater potentiating capabilities than existing compositions in agglutination reactions of the IgG class of immune globulins. The essential component is at least one covalently bonded serum albu... | 09/06/1977 |
| 4000121 | Production of antisera comprising fractionating plasma or serum with an ethylene oxide-polyoxypropylene block copolymer A process for the preparation of a stable and concentrated antiserum comprising sequentially fractionating blood plasma or serum with block copolymers of ethylene oxide and polyoxypropylene polymer at selected concentrations and pH's.... | 12/28/1976 |
| 3990850 | Diagnostic test card A novel test card adapted for the performance of an immunochemical, diagnostic or serological test upon its surface, and which is provided with an end flap which may be folded over to enclose and preserve the test results. The flap portion is provided wit... | 11/09/1976 |
| 3956477 | Method and erythrocyte preparation for reverse blood grouping Disclosed herein is a stable preparation of human erythrocytes for use in reverse blood typing comprising erythrocytes hemolyzed by gradual hypotonic hemolysis using a sequence of aqueous hypotonic buffers to form stroma wherein the stroma cells are in th... | 05/11/1976 |
