Erythrocyte preparations and use thereof in hemagglutination tests
Patent 4403037 Issued on September 6, 1983. Estimated Expiration Date: 
October 10, 2000. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
October 10, 2000. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3714345 Preparation of active proteins cross-linked to inactive proteins Viral antibody diagnostic test system Process for producing a soluble rubella antigen Patent #: 4195074 InventorAssigneeApplicationNo. 06/195864 filed on 10/10/1980US Classes:435/5, Involving virus or bacteriophage435/29, Involving viable micro-organism435/7.25, Erythrocyte435/961, INCLUDING A STEP OF FORMING, RELEASING, OR EXPOSING THE ANTIGEN OR FORMING THE HAPTEN-IMMUNOGENIC CARRIER COMPLEX OR THE ANTIGEN, PER SE435/962, PREVENTION OR REMOVAL OF INTERFERING MATERIALS OR REACTANTS OR OTHER TREATMENT TO ENHANCE RESULTS (E.G., DETERMINING OR PREVENTING NONSPECIFIC BINDING, ETC.)435/963, METHODS OF STOPPING AN ENZYME REACTION OR STABILIZING THE TEST MATERIALS436/520, Red blood cell436/521, Fixation or stabilization of red blood cells436/547INVOLVING PRODUCTION OR TREATMENT OF ANTIBODYExaminersPrimary: Fagelson, Anna P.Attorney, Agent or FirmInternational ClassesG01N 33/556 (20060101)G01N 33/554 (20060101) AbstractErythrocytes are coated with specific hemagglutinating virus antigen and then treated to produce a stabilized, antigen coated erythrocyte preparation which is used in the determination of antibody in biological fluids.Other References
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