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LATEX POLYMER REAGENTS FOR DIAGNOSTIC TESTS

  • US 3,857,931 A
  • Filed: 01/17/1972
  • Issued: 12/31/1974
  • Est. Priority Date: 02/01/1971
  • Status: Expired due to Term
First Claim
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1. A WATER-INSOLUBLE IMMUNOLOGICAL DIAGNOSTIC REAGENT HAVING A SPECIFIC GRAVITY OF ABOUT THAT OF WATER COMPRISING DISCRETE PARTICLES OF A SEROLOGICALLY INERT LATEX POLYMER SELECTED FROM THE GROUP CONSISTING OF CARBOXYLATED STYRENE BUTADIENE, CARBOXYLATE POLYSTYRENE, CARBOXYLATE POLYSTYRENE WITH AMINO GROUPS, ACRYLIC ACID POLYMERS, METHACRYLIC ACDI POLYMERS, ACRYLONITRILE BUTADIENE STYRENE, POLYVINYL ACETATE ACRYLATE, POLYVINYL PYRIDINE AND VINYL-CHORIDE ACRYLATE HAVING CONDENSED THERETO, WITH A WATER SOLUBLE CARBODIIMIDE COUPLING AGENT, THROUGH AN AMIDE LINKAGE, FROM ABOUT 0.01 TO ABOUT 15.0% BY WEIGHT OF A KNOWN SEROLOGICALLY DETERMINANT MATERIAL SELECTED FROM THE GROUP CONSISTING OF HUMAN CHORIONIC GONADOTROPIN AND HUMAN GAMMA GLOBULIN.

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