Solid phase immunoassay using immunoreagents immobilized on inert synthetic resin surfaces
Patent 4778767 Issued on October 18, 1988. Estimated Expiration Date: 
October 18, 2005. 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 18, 2005. 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 3843443 Unitized solid phase immunoassay kit and method Glass support coated with synthetic polymer for bioprocess Immunoassay with solid phase having coating containing blood platelet substitute Immunoassay with article having support film and immunological counterpart of analyte Polycycloalkylidene-polycycloalkanes, epidioxy derivatives thereof and method of preparation Patent #: 4705847 InventorsAssigneeApplicationNo. 06/682373 filed on 12/17/1984US Classes:436/531, Carrier is synthetic resin427/2.13, Layer formed contains chemical reagent or chemically reacts with substrate (e.g., cell stain or fix, pH paper, immobilized antigen)435/180, Carrier is synthetic polymer435/7.92, Heterogeneous or solid phase assay system (e.g., ELISA, etc.)435/7.94, Sandwich assay436/534, Carrier is water suspendible particles436/823, IMMUNOGENIC CARRIER OR CARRIER PER SE436/824IMMUNOLOGICAL SEPARATION TECHNIQUESExaminersPrimary: Nucker, Christine M.Attorney, Agent or FirmInternational ClassesG01N 33/544 (20060101)G01N 33/545 (20060101) AbstractA solid phase immunoassay comprises the steps of(a) immobilizing an immunoreagent on the surface of a carrier comprised of an inert synthetic resin selected from the group consisting of polyimides and polyfluorinated synthetic resins,(b) contacting the immunoreagent with a complementary immunoreagent whereby an immunocomplex immobilized on said carrier is formed,(c) quantitating the immobilized immunocomplex.An element useful in conducting this solid phase immunoassay is prepared by a process of treating the surface of an article comprised of a synthetic polymer selected from the group consisting of polyimides and polyfluorinated synthetic resins to make it adsorptive of an immunoreagent which comprises the steps of(a) thoroughly rinsing the surface with a water-miscible organic solvent,(b) thoroughly rinsing the surface with water.Other References
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