Patents by Inventor Vincent Castranova

Vincent Castranova 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).

  • Prevention of the acute cytotoxicity associated with silica containing minerals
    Patent number: 5096733
    Abstract: Cytotoxic effects associated with ground fractured silica-containing minerals and silicates, including asbestos, are prevented by coating the silica-containing minerals and silicates with an aqueous solution containing an aqueously compatible silane coupling agent so that a monomolecular film is formed on the surface of the silica-containing minerals and silicates.
    Type: Grant
    Filed: October 30, 1989
    Date of Patent: March 17, 1992
    Assignee: The United States of America as represented by the Secretary of the Dept. of Health and Human Services
    Inventors: Val Vallyathan, Vincent Castranova, Nar S. Dalal, Knox Van Dyke