US PATENT SUBCLASS 436 / 523
.~ Carrier is particulate and the particles are of intentionally different sizes or impregnated differently with the immunochemicals

Current as of: June, 1999
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436 /   HD   CHEMISTRY: ANALYTICAL AND IMMUNOLOGICAL TESTING

518  DF  INVOLVING AN INSOLUBLE CARRIER FOR IMMOBILIZING IMMUNOCHEMICALS {4}
523.~ Carrier is particulate and the particles are of intentionally different sizes or impregnated differently with the immunochemicals

DEFINITION

Classification: 436/523

Carrier is particulate and the particles are of intentionally different sizes or impregnated differently with the immunochemicals:

(under subclass 518) Subject matter in which the carrier is particulate and the particles are formed or chosen to be different sizes or are coated with chemically different coating materials.