Patents Examined by Nanbel Medina Sanabria
  • Patent number: 6419889
    Abstract: Catalyst comprising a titania carrier and one or more metal compounds which metals are selected from the group consisting of vanadium, molybdenum and tungsten, which catalyst has a surface area measured by nitrogen adsorption of between about 70 m2/g and about 99 m2/g, a process for preparing such catalyst, catalyst obtainable by such preparation process and a process for selectively converting nitrogen oxide compounds with the help of such catalyst.
    Type: Grant
    Filed: October 8, 1996
    Date of Patent: July 16, 2002
    Assignee: Shell Oil Company
    Inventors: Gosse Boxhoorn, Mark Crocker, Carl Johan Gerrit Van der Grift