Patents by Inventor S. Charles Picardi

S. Charles Picardi 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).

  • NANODIAMOND MANUFACTURE AND PROCESS FOR MAKING THEREOF
    Publication number: 20090305031
    Abstract: Disclosed are novel coatings and other components of articles of manufacture featuring the inclusion of nanodiamonds therein. Also disclosed are methods of achieving such inclusion and methods of utilizing the resultant, improved articles.
    Type: Application
    Filed: June 4, 2009
    Publication date: December 10, 2009
    Applicant: DREXEL UNIVERSITY
    Inventors: S. Charles Picardi, Dustin B. Doss, Richard Knight, Antonella Stravato
  • Chemical mechanical polishing composition
    Patent number: 5891205
    Abstract: A chemical mechanical polishing composition for polishing an oxide layer of a semiconductor device, the composition comprising an alkaline aqueous dispersion containing generally uniformly-shaped nanocrystalline particles of cerium oxide derived from a physical vapor synthesis process, generally uniformly-shaped particles of silicon dioxide, and wherein the cerium oxide particles are substantially the same or smaller in size and size distribution to the silicon dioxide particles. The ratio of the weight of the silicon dioxide in the composition to the weight of the cerium oxide in the composition is in the range from about 7.5:1 to about 1:1.
    Type: Grant
    Filed: August 14, 1997
    Date of Patent: April 6, 1999
    Assignee: EKC Technology, Inc.
    Inventors: S. Charles Picardi, Mitch Mircea Tanase