Patents Represented by Attorney, Agent or Law Firm Leandro Arechecterre
  • Highly active supported catalyst compositions
    Patent number: 6667272
    Abstract: This invention relates to metallocene catalyst compositions which are highly active for the polymerization of olefins, particularly prochiral &agr;-olefins. The catalyst compositions contain at least one metallocene, and least one activator and a support that has been fluorided using a fluoride containing compound.
    Type: Grant
    Filed: March 26, 2002
    Date of Patent: December 23, 2003
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventor: Anthony N. Speca