Patents by Inventor Phil O

Phil O 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).

  • Patent number: 6454821
    Abstract: The polishing slurry includes by weight percent, 0.1 to 50 metal oxy-acid accelerator, 0.5 to 50 cerium oxide abrasive particles and balance water. The metal oxy-acid accelerator is formed with a metal selected from the group consisting of chromium, lanthanum and rare earth metals 59 to 71, manganese, molybdenum, niobium, osmium, rhenium, ruthenium, titanium, tungsten, vanadium, yttrium and zirconium.
    Type: Grant
    Filed: June 21, 2000
    Date of Patent: September 24, 2002
    Assignee: Praxair S. T. Technology, Inc.
    Inventors: Faraz Abbasi, Phil O, James Kent Knapp, Lei Liu