Patents by Inventor Karim E. Hechemy

Karim E. Hechemy has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Forced precipitation method for preparing antigen/antibody particles
    Patent number: 4397959
    Abstract: Process for the preparation of test reagents comprising antigens or antibodies adsorbed on a surface, for example, the surface of synthetic or natural polymer particles in which the test material to be adsorbed is dissolved in a solvent in contact with the adsorbing surface and precipitated by the addition of a liquid which is miscible with the solvent, but does not dissolve the test material.
    Type: Grant
    Filed: November 5, 1980
    Date of Patent: August 9, 1983
    Assignee: Research Corporation
    Inventor: Karim E. Hechemy