Patents Examined by E. A. Irzinski
  • Dimerization catalyst systems and processes
    Patent number: 5414178
    Abstract: A catalyst system composition and a process to prepare a catalyst composition comprising a cobalt compound, a metal alkyl and a coordinating compound is provided. The resultant catalyst system composition can be used to dimerize ethylene with high productivity to butenes and high selectivity to 1-butene.
    Type: Grant
    Filed: January 21, 1994
    Date of Patent: May 9, 1995
    Assignee: Phillips Petroleum Company
    Inventor: An-hsiang Wu