Patents Assigned to Oao Nil Yarsintez
  • Process for obtaining light olefins by the dehydrogenation of the corresponding paraffins
    Patent number: 6362385
    Abstract: A process for obtaining light olefins by the dehydrogenation of corresponding paraffins, by reacting the paraffins with a catalytic system containing chromium oxide, tin oxide, at least one alkali metal oxide, and an alumina-silica carrier, and then regenerating the catalytic system in a regenerator by burning coke deposited on its surface at a temperature higher than the average temperature of the reactor.
    Type: Grant
    Filed: July 23, 1998
    Date of Patent: March 26, 2002
    Assignees: Siamprogetti S.p.A., Oao Nil Yarsintez
    Inventors: Rodolfo Iezzi, Andrea Bartolini, Franco Buonomo, Gueorgui Kotelnikov, Vladimir Bespalov