Patents by Inventor Max Raphael Cesar

Max Raphael Cesar 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).

  • Hydrodenitrogenation of hydrocarbons utilizing a carbon-supported catalyst
    Patent number: 6162351
    Abstract: A naphtha or a middle distillate hydrocarbon is hydrodenitrogenized by hydrotreating in the presence of a catalyst containing a carbon support bearing (i) molybdenum or tungsten, (ii) a metal of non-noble Group VIII, and (iii) chromium.
    Type: Grant
    Filed: May 24, 1994
    Date of Patent: December 19, 2000
    Assignee: Texaco Inc.
    Inventors: Chakka Sudhakar, Frank Dolfinger, Jr., Max Raphael Cesar
  • Hydrodearomatization of Hydrocarbons
    Patent number: 5651878
    Abstract: A naphtha or a middle distillate hydrocarbon is hydrodearomatized by hydrotreating in the presence of a catalyst containing a carbon support bearing (i) molybdenum or tungsten, (ii) a metal or non-noble Group VIII, and (iii) chromium.
    Type: Grant
    Filed: April 4, 1996
    Date of Patent: July 29, 1997
    Assignee: Texaco Inc.
    Inventors: Chakka Sudhakar, Frank Dolfinger, Jr., Max Raphael Cesar