Patents Examined by Sikar A. Witherspoon
  • Patent number: 6506947
    Abstract: The subject-matter of the invention is a fluorinated diol and its process of preparation. The fluorinated diol corresponds to the formula (I): CnF2n+1—A—CH2OCH2—C(CH2OH)2—R in which n has a value from 2 to 20 and A means —CH═CH— or —CH2CH2— and R is an alkyl group comprising 1 to 4 carbon atoms.
    Type: Grant
    Filed: December 20, 2001
    Date of Patent: January 14, 2003
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Marie-Jose Lina, Eric Lacroix, Sophie Vanpoulle, Gerard Orcel, Robert Overton