Preactivated plastics surfaces for immobilizing organo-chemical and biologic materials
Patent 4657873 Issued on April 14, 1987. Estimated Expiration Date: 
July 27, 2004. 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.
July 27, 2004. 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 ReferencesWater-insoluble biospecific absorbent containing argininal derivative Patent #: 4525465 InventorsAssigneeApplicationNo. 06/635224 filed on 07/27/1984US Classes:436/532, Antigen or antibody attached to a carrier via bridging agent435/180, Carrier is synthetic polymer435/181, Attached to the carrier via a bridging agent435/7.9, Assay in which an enzyme present is a label435/7.92, Heterogeneous or solid phase assay system (e.g., ELISA, etc.)436/500, THYROID HORMONE TESTS (E.G., T3, T4, TBG, TSH, ETC.)436/531Carrier is synthetic resinExaminersPrimary: Rosen, SamAttorney, Agent or FirmInternational ClassesG01N 33/533 (20060101)G01N 33/545 (20060101) G01N 33/544 (20060101) G01N 33/74 (20060101) G01N 33/78 (20060101) Foreign Application Priority Data1983-07-29 DEAbstractPlastics surfaces are preactivated for immobilizing organo-chemical and biologic materials by coating the surfaces with a polypeptide which consists of a defined composition of hydrophobic amino acids and amino acids having side chains capable of activation and coupling. After activation of the plastics surfaces having been coated in this manner with various coupling reagents, it is possible to firmly fix organo-chemical and biologic materials. The materials having been immobilized in this manner are extremely stable to various reaction conditions. |
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