Patents by Inventor Cynthia Ballinger

Cynthia Ballinger 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).

  • Late transition metal catalysts for olefin polymerization and oligomerization
    Patent number: 7247687
    Abstract: This invention relates to a transition metal compound represented by the formula LMX wherein M is a Group 3 to 11 metal L is a bulky bidentate or tridentate neutral ligand that is bonded to M by two or three heteroatoms and at least one heteroatom is nitrogen; X is a substituted or unsubstituted catecholate ligand provided that the substituted catecholate ligand does not contain a 1,2-diketone functionality.
    Type: Grant
    Filed: July 17, 2003
    Date of Patent: July 24, 2007
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Vladimir Kuzunich Cherkasov, Michael Paviovich Bubnov, Nikolay Olegovich Druzhkov, Valentina Nikolavena Glushakova, Irina Alexandrovna Teplova, Nina Aleksandrovna Skorodumova, Gleb Arsent′evich Abakumov, Cynthia A. Ballinger, Kevin R. Squire, Jo Ann Marie Canich, Enock Berluche, Lisa Saunders Baugh, Donald Norman Schulz, Baiyi Zhao
  • Late transition metal catalysts for olefin polymerization and oligomerization
    Publication number: 20060047094
    Abstract: This invention relates to a transition metal compound represented by the formula LMX wherein M is a Group 3 to 11 metal L is a bulky bidentate or tridentate neutral ligand that is bonded to M by two or three heteroatoms and at least one heteroatom is nitrogen; X is a substituted or unsubstituted catecholate ligand provided that the substituted catecholate ligand does not contain a 1,2-diketone functionality.
    Type: Application
    Filed: July 17, 2003
    Publication date: March 2, 2006
    Inventors: Vladimir Cherkasov, Michael Bubnov, Nikolay Druzhkov, Valentina Glushakova, Irina Teplova, Nina Skorodumova, Gleb Abakumov, Cynthia Ballinger, Kevin Squire, Jo Ann Canich, Enock Berluche, Lisa Baugh, Donald Schulz, Baiyi Zhao