Patents by Inventor Frank Kaufman

Frank Kaufman 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).

  • Method of sharpening cutting edges
    Patent number: 7037175
    Abstract: The invention is directed to a method for polishing a cutting edge on a cutting instrument, comprising contacting a cutting edge of a cutting instrument with a polishing pad and a chemical-mechanical polishing composition comprising particles of an abrasive, and a liquid carrier, wherein the abrasive is suspended in the liquid carrier, and abrading at least a portion of the cutting edge to polish the cutting edge. The invention further provides a cutting instrument having a highly uniform edge.
    Type: Grant
    Filed: October 19, 2004
    Date of Patent: May 2, 2006
    Assignee: Cabot Microelectronics Corporation
    Inventors: Clifford Spiro, George Steuer, Frank Kaufman
  • METHOD OF SHARPENING CUTTING EDGES
    Publication number: 20060084367
    Abstract: The invention is directed to a method for polishing a cutting edge on a cutting instrument, comprising contacting a cutting edge of a cutting instrument with a polishing pad and a chemical-mechanical polishing composition comprising particles of an abrasive, and a liquid carrier, wherein the abrasive is suspended in the liquid carrier, and abrading at least a portion of the cutting edge to polish the cutting edge. The invention further provides a cutting instrument having a highly uniform edge.
    Type: Application
    Filed: October 19, 2004
    Publication date: April 20, 2006
    Applicant: Cabot Microelectronics Corporation
    Inventors: Clifford Spiro, George Steuer, Frank Kaufman