Patents Examined by Florina G. Hoffer
  • Heterogeneous immunoassay
    Patent number: 4971904
    Abstract: An improved heterogeneous immunoassay is provided which includes the utilization of support materials capable of reversible immobilization of proteinaceous binding partners of biological material of interest and the removal of labeled complexes from these supports through the use of release reagents permitting the subsequent solution phase determination of the amount of label.
    Type: Grant
    Filed: January 29, 1988
    Date of Patent: November 20, 1990
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Michael A. G. Luddy