Patents by Inventor John C. Silvia

John C. Silvia 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).

  • Magnetic-polymer particles
    Patent number: 5866099
    Abstract: A magnetic-polymer particle, useful in immunoassay techniques and various other biological/medical applications is produced by coprecipitation of transition metals in the presence of a polymer having available coordination sites. These particles are capable of forming stable aqueous suspensions and may be easily resuspended after agglomeration.
    Type: Grant
    Filed: April 30, 1997
    Date of Patent: February 2, 1999
    Assignee: Nycomed Imaging AS
    Inventors: Charles S. Owen, John C. Silvia, Louis D'Angelo, Paul A. Liberti
  • Electrochemical sensor cartridge
    Patent number: 5547555
    Abstract: An electrochemical sensor cartridge with at least three reservoir cells, the floor of each cell in leakproof contact with the surface of an electrode assembly whose conductivity is affected by the presence of an analyte in that cell.
    Type: Grant
    Filed: February 22, 1993
    Date of Patent: August 20, 1996
    Assignee: Ohmicron Technology, Inc.
    Inventors: Jerome L. Schwartz, Michael D. Cabelli, John C. Silvia, Craig D. T. Dahlin
  • Magnetic-polymer particles
    Patent number: 4795698
    Abstract: A magnetic-polymer particle, useful in immunoassay techniques and various other biological/medical applications is produced by coprecipitation of transition metals in the presence of a polymer having available coordination sites. These particles are capable of forming stable aqueous suspensions and may be easily resuspended after agglomeration.
    Type: Grant
    Filed: September 16, 1986
    Date of Patent: January 3, 1989
    Assignee: Immunicon Corporation
    Inventors: Charles S. Owen, John C. Silvia, Louis D'Angelo, Paul A. Liberti