Patents by Inventor Richard Byron Pannell

Richard Byron Pannell 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).

  • Polymerization process
    Patent number: 6114477
    Abstract: The present invention relates to a gas phase process for the polymerization of monomer(s) utilizing a metallocene catalyst system to produce easy processing polyolefin polymers.
    Type: Grant
    Filed: February 9, 1996
    Date of Patent: September 5, 2000
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Natalie Ann Merrill, Jo Ann Marie Canich, Armenag Hagop Dekmezian, Richard Byron Pannell, Charles James Ruff
  • Tackifiers and a process to obtain tackifiers
    Patent number: 5652308
    Abstract: Novel tackifier resins having a M.sub.n of 5,000 or less and a T.sub.g of 0.degree. C. or above are produced by combining a metallocene catalyst with an alpha-olefin and a cyclic monomer. New adhesives are produced by blending the novel tackifier with a base polymer.
    Type: Grant
    Filed: July 21, 1995
    Date of Patent: July 29, 1997
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Natalie Ann Merrill, James McLeod Farley, Martha Hetzel Robertson, Charles Lewis Sims, Richard Byron Pannell, Angelo Anthony Montagna