Patents Assigned to Inteven, S.A.
  • Antimony and tin containing compound, use of such a compound as a passivating agent, and process for preparing such a compound
    Patent number: 5401384
    Abstract: An antimony and tin containing compound for passivating contaminant metals to which a catalyst is exposed during fluid catalytic cracking of hydrocarbons containing said contaminant metals, said compound having a composition as follows (R*).sub.x Sb(OSn(R**).sub.3).sub.n wherein R* and R** are aryl compounds having between 6 to 13 carbon atoms, wherein n=1, 2 or 3 and x=4 when n=1, x=3 when n=2, and x=0 when n=3.
    Type: Grant
    Filed: December 17, 1993
    Date of Patent: March 28, 1995
    Assignees: Inteven, S.A., Universidad Simon Bolivar
    Inventors: Nelson Martinez, Juan Lujano, Nieves Alvarez, Jacek Lubinkowski, William McEwen