Immunoassay devices and materials
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jan 14, 2003
Grant Date -
Oct 31, 2002
app pub date -
Mar 8, 1999
filing date -
Dec 18, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An immunochemical label comprising finely particulate carbon black on which is adsorptively immobilized a component which terminates distally from a point of adsorption with an immunologically active ligand or ligand binding molecule wherein said component comprises said immunological ligand or ligand binding molecules covalently linked through a linking reagent, and said linking reagent is adsorbed on the surface of said carbon black.
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