Patents Represented by Attorney, Agent or Law Firm Daniel Ruble
  • Vicinal hydroxyl group containing copolymer and articles formed therefrom
    Patent number: 6562922
    Abstract: The present invention is directed to vicinal hydroxyl-functionalized hydrocarbon polymers having a mole ratio of methylene to hydroxyl group of greater than 1 and to films, coatings and articles useful in packaging applications containing said polymers.
    Type: Grant
    Filed: March 23, 1999
    Date of Patent: May 13, 2003
    Assignee: Cryovac, Inc
    Inventors: Donald Albert Bansleben, Eric Francis Connor, Robert Howard Grubbs, William Peyton Roberts
  • Regio-regular functionalized polymeric packaging material
    Patent number: 6203923
    Abstract: The present invention is directed to Packaging Materials and Packaging Articles having a structure composed of a substantially linear, regio-regular functionalized hydrocarbon polymer having C4-C12 hydrocarbon polymer repeating units wherein each unit has at least one functional group uniformly pendent therefrom.
    Type: Grant
    Filed: September 29, 1998
    Date of Patent: March 20, 2001
    Assignee: Cryovac, Inc.
    Inventors: Donald Albert Bansleben, Truc-Chi Huynh-Tran, Rusty Lew Blanski, Paul Anthony Hughes, William Peyton Roberts, Robert Howard Grubbs, Galen Richard Hatfield
  • Supported catalysts and olefin polymerization processes utilizing same
    Patent number: 6197715
    Abstract: Non-ionic late transition metal chelates of salicylaldimine and pyrrolaldimine can be tethered to an inert support by a covalent bond to provide a catalyst useful in slurry and gas phase polymerization of olefins.
    Type: Grant
    Filed: March 23, 1999
    Date of Patent: March 6, 2001
    Assignee: Cryovac, Inc.
    Inventors: Donald Albert Bansleben, Eric Francis Connor, Robert Howard Grubbs, Jason Ivan Henderson, Andrew Robert Nadjadi, Jr., Todd Ross Younkin
  • Supported catalysts and olefin polymerization processes utilizing same
    Patent number: 6197714
    Abstract: Non-ionic bidentate late transition metal chelates tethered to an inert support by a covalent bond group to provide a catalyst useful in slurry and gas phase polymerization of olefins.
    Type: Grant
    Filed: March 23, 1999
    Date of Patent: March 6, 2001
    Assignee: Cryovac, Inc.
    Inventors: Donald Albert Bansleben, Eric Francis Connor, Robert Howard Grubbs, Jason Ivan Henderson, Andrew Robert Nadjadi, Jr., Todd Ross Younkin