Patents Represented by Attorney Jofl D Citron

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  • Polymerization of ethylene
    Patent number: 6060569
    Abstract: Certain nickel [II] complexes of selected orthophosphine substituted arylsulfonamides or selected phosphine containing alkylsulfonamides catalyze the polymerization of ethylene. The polymers produced may be used as lubricants or in waxes. Some of these nickel [II] complexes and the phosphine containing ligands are also novel compounds.
    Type: Grant
    Filed: January 13, 1998
    Date of Patent: May 9, 2000
    Assignees: E. I. du Pont de Nemours and Company, University of North California at Chapel Hill
    Inventors: Jordan Lawrence Bennett, Maurice S. Brookhart, III, Lynda Kaye Johnson, Christopher Moore Killian