Patents Assigned to E.I. du Pont de Nemuours and Company
  • Publication number: 20090286885
    Abstract: A composition comprising a compound of formula (I) or (II): (A)w-P(O)(O?M+)3-w ??(I) or wherein A is Rf—(CH2)k?[(CF2CF)y—(CH2CH2)z]mO and contains from about 8 to about 22 carbon atoms; Rf is CnF2n+1; n and k are each independently 1 to about 6; y, z, and m are each independently 1, 2, 3, or mixture thereof; w is 1 or 2 or a mixture thereof; and M is hydrogen, ammonium ion, an alkali metal ion, or an alkanolammonium ion.
    Type: Application
    Filed: May 19, 2008
    Publication date: November 19, 2009
    Applicant: E.I. du Pont de Nemuours and Company
    Inventors: Weiming Qiu, Xiuling Shirley Wang