Patents by Inventor Roger Brady Painter

Roger Brady Painter 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).

  • Process for drying a reactor system employing a fixed bed adsorbent
    Patent number: 6189236
    Abstract: A method of reducing the purge gas consumption, dry-down time, or both required for start-up and operation of a gas phase fluidized bed reactor system. The method involves contacting a stream of cycle gas having water and/or a polar hydrocarbon with an adsorbing material while the cycle gas is in a closed circulation loop.
    Type: Grant
    Filed: November 5, 1998
    Date of Patent: February 20, 2001
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventors: David Mason Gaines, Philip Everett Harrison, Roger Brady Painter, Bill Jack Garner
  • Gas phase fluidized bed polymerization process using sonic cleaner with optimum design and operation
    Patent number: 5912309
    Abstract: A improved process is provided for polymerization of olefin and/or diolefin polymer, using sonic cleaning devices, with optimum design and operation, to eliminate or reduce reactor fouling and/or sheeting.
    Type: Grant
    Filed: July 16, 1997
    Date of Patent: June 15, 1999
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventors: Kiu Hee Lee, Ping Cai, Roger Brady Painter, William Jene Price, David Merrill Rebhan