Patents by Inventor Elizabeth Clair Fox

Elizabeth Clair Fox has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Unbridged monocyclopentadienyl metal complex catalyst and a process for polyolefin production
    Patent number: 6258904
    Abstract: There is provided a catalyst containing a transition metal precursor having the formula (C5R15)MX3, an alcohol, a substituted bulky phenol, an aluminoxane, and optionally a support or spray drying material. There is also provided a polymerization process employing the catalyst composition, a polymer produced using the catalyst, and a cable produced therefrom.
    Type: Grant
    Filed: August 17, 1999
    Date of Patent: July 10, 2001
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventors: Eric Paul Wasserman, Xinlai Bai, Elizabeth Clair Fox
  • Unbridged monocyclopentadienyl metal complex catalyst and a process for polyolefin production
    Patent number: 5962362
    Abstract: There is provided a catalyst containing a transition metal precursor having the formula (C.sub.5 R.sup.1.sub.5)MX.sub.3, an alcohol, a substituted bulky phenol, an aluminoxane, and optionally a support or spray drying material. There is also provided a polymerization process employing the catalyst composition, a polymer produced using the catalyst, and a cable produced therefrom.
    Type: Grant
    Filed: December 9, 1997
    Date of Patent: October 5, 1999
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventors: Eric Paul Wasserman, Xinlai Bai, Elizabeth Clair Fox