Patents Examined by Karl J. Pottlitz, Jr.
  • Method for production for phenol and its derivatives
    Patent number: 5756861
    Abstract: A method for partial oxidation of aromatic compounds such as benzene, phenol, chlorobenzene, fluorobenzene, toluene, ethylbenzene and the like, with a molar deficiency of nitrous oxide over a catalyst such as a ZSM-5 or ZSM-11 zeolite. The method is advantageous for producing phenol from benzene at high production rates, high nitrous oxide conversion and high selectivity toward the production of phenol.
    Type: Grant
    Filed: January 7, 1997
    Date of Patent: May 26, 1998
    Assignee: Monsanto Company
    Inventors: Gennady Ivanovich Panov, Alexandr Sergeevich Kharitonov, Galina Antolievan Sheveleva