Patents by Inventor Raymond E. Barnes

Raymond E. Barnes 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).

  • Corundum Crystal Structure Pigments With Reduced Soluble Chromium Content
    Publication number: 20100064942
    Abstract: The potential for release of soluble chromium (VI) ions in the production or processing of certain pigments is reduced by use of certain additives. The additives include aluminum metaphosphate, aluminum fluoride, tungsten oxide, tungstic acid, and mono-ammonium phosphate. The pigments are those which contain chromium and have a corundum crystal structure.
    Type: Application
    Filed: September 15, 2008
    Publication date: March 18, 2010
    Applicant: FERRO CORPORATION
    Inventors: Terry J. Detrie, Raymond E. Barnes, Jacqueline C. Livingston, Gary L. Nuccetelli, Richard A. Pipoly, Daniel R. Swiler, Lei Wang
  • Continuous calcination of mixed metal oxides
    Patent number: 6652829
    Abstract: A method for continuously calcinating product to form mixed metal oxide powders comprising providing a continuously operated indirectly heated rotary furnace having a heating cavity, introducing raw feedstock including product to be calcined into the heating cavity of the furnace while the heating cavity is maintained at temperature, and maintaining a controlled atmosphere in the heating cavity during the heating of the feedstock, and discharging and recovering the mixed metal oxide powders.
    Type: Grant
    Filed: August 13, 2001
    Date of Patent: November 25, 2003
    Assignee: Ferro Corporation
    Inventors: Raymond E. Barnes, Richard A. Pipoly, Ivan H. Joyce, Javier Garcia Sainz
  • Continuous calcination of mixed metal oxides
    Publication number: 20020073895
    Abstract: A method for continuously calcinating product to form mixed metal oxide powders comprising providing a continuously operated indirectly heated rotary furnace having a heating cavity, introducing raw feedstock including product to be calcined into the heating cavity of the furnace while the heating cavity is maintained at temperature, and maintaining a controlled atmosphere in the heating cavity during the heating of the feedstock, and discharging and recovering the mixed metal oxide powders.
    Type: Application
    Filed: August 13, 2001
    Publication date: June 20, 2002
    Inventors: Raymond E. Barnes, Richard A. Pipoly, Ivan H. Joyce, Javier Garcia Sainz