Patents by Inventor Gaetano Roncari

Gaetano Roncari 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).

  • Immunological diagnostic reagents comprising thio-amine terminated latex particles
    Patent number: 4226747
    Abstract: A reagent for an immunological determination comprising water insoluble latex particles being formed from vinyl polymerizates and having free terminal functional groups of the formula: ##STR1## through which are bound an immunologically active material including materials for preparing this reagent and for utilizing this reagent for diagnostic purposes. The latex particles contain a core and an outer layer, said core being formed by polymerization of vinyl, or diene monomers or mixtures thereof with said polymerizates in said core carrying a functional group selected from group consisting of carboxyl, sulfonate or mixtures thereof and said outer layer being formed from vinyl polymerizates carrying said terminal functional group.
    Type: Grant
    Filed: July 31, 1978
    Date of Patent: October 7, 1980
    Assignee: Hoffmann-La Roche Inc.
    Inventor: Gaetano Roncari