Patents Assigned to Nissan Girdler Catalysts Company
  • Dehydrogenation catalysts
    Patent number: 6191065
    Abstract: A catalyst for the production of alkenylaromatics from alkylaromatics, wherein the catalyst is predominantly iron oxide, an alkali metal compound and less than about 100 ppm of a source for a noble metal, such as palladium, platinum, ruthenium, rhenium, osmium, rhodium or iridium. Additional components of the catalyst may include compounds based on cerium, molybdenum, tungsten and other such promoters. Also a process for the production of alkenylaromatics from alkylaromatics using this catalyst.
    Type: Grant
    Filed: January 26, 1999
    Date of Patent: February 20, 2001
    Assignees: Nissan Girdler Catalysts Company, United Catalysts Inc.
    Inventors: David Williams, Yuji Mishima, Andrzej Rokicki, Kazuhiko Shinyama, Dennis Smith