Patents by Inventor Jean-Marc Potlet

Jean-Marc Potlet has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Catalyst system for high-cis polybutadiene
    Patent number: 6887956
    Abstract: A catalyst system suitable for use in the production of high cis polybutadiene is disclosed. The catalyst system includes a cobalt salt of the formulaCoAx?, where A is a monovalent or divalent anion and x is 1 or 2; an alkyl aluminum chloride compound of the structure R2AlCl, where R is an alkyl group containing 2-8 carbon atoms; a trialkyl aluminum compound of the formula R3Al, where R is an alkyl group containing 2-8 carbon atoms; and a catalytic amount of water.
    Type: Grant
    Filed: October 2, 2001
    Date of Patent: May 3, 2005
    Assignee: Dow Global Technologies Inc.
    Inventors: Adriaan A. van der Huizen, Jean-Marc Potlet, Alain Sabatier, Patrick Le Roy
  • Catalyst system for high-cis polybutadiene
    Publication number: 20040029722
    Abstract: A catalyst system suitable for use in the production of high cis polybutadiene is disclosed. The catalyst system includes a cobalt salt of the formulaCoAx?, where A is a monovalent or divalent anion and x is 1 or 2; an alkyl aluminum chloride compound of the structure R2AlCl, where R is an alkyl group containing 2-8 carbon atoms; a trialkyl aluminum compound of the formula R3Al, where R is an alkyl group containing 2-8 carbon atoms; and a catalytic amount of water.
    Type: Application
    Filed: April 11, 2003
    Publication date: February 12, 2004
    Inventors: Adriaan A. van der Huizen, Jean-Marc Potlet, Alain Sabatier, Patrick Le Roy