Patents Examined by Joseph S. Schofer
  • Fluorine-containing polymers and preparation and use thereof
    Patent number: 5208305
    Abstract: Group IV organometallic compounds, e.g. alkylsilane, or alkylsiloxane compounds, are used as chain transfer agent in the radical initiated polymerization of ethylenically unsaturated monomers, to give polymers comprising non-ionic end groups.
    Type: Grant
    Filed: April 17, 1992
    Date of Patent: May 4, 1993
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Werner M. Grootaert