Patents Assigned to Ricke Metals Inc.
  • Process for substituted polythiophene polymers
    Patent number: 7935781
    Abstract: An improved process for preparing regioregular substituted polythiophenes is described where a substituted thiophene having at least two leaving groups is treated with an organomagnesium halide followed by zinc chloride or bromide and the resulting reaction mixture in solution is polymerized with a Ni(II) catalyst.
    Type: Grant
    Filed: June 18, 2009
    Date of Patent: May 3, 2011
    Assignee: Ricke Metals Inc.
    Inventor: Reuben Rieke