Patents Assigned to Petroflex Industria E Comércio
  • Process for preparing and using neodymium neodecanoate
    Patent number: 6482906
    Abstract: A new process for the preparation of neodymium neodecanoate, which is utilized as the metallic component, in a new process for the preparation of three-component homogeneous catalytic systems. The invention also deals with a solution polymerization process for the preparation of polybutadiene with a high content of the 1,4-cis units.
    Type: Grant
    Filed: May 16, 2000
    Date of Patent: November 19, 2002
    Assignee: Petroflex Industria E Comércio
    Inventors: Neusa Maria Tocchetto Pires, Luiz Fernando Nicolini, Clóvis Henriques De Lira, Carlos Roberto De Albuquerque Campos, Paulo Luiz De Andrade Coutinho