Patents by Inventor Henry B. Hinckley

Henry B. Hinckley 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).

  • Method for reducing sheeting during polymerization of .alpha.-olefins
    Patent number: 5416175
    Abstract: A method for reducing sheeting during polymerization of alpha-olefins in a fluidized bed employing catalysts prone to cause sheeting which comprises feeding a material carrying a static electric charge opposite to the static charge in said bed, said opposite charge of said material being generated by passing said material in contact with a surface adapted to impart said static electric charge to said material opposite the charge existing in said bed.
    Type: Grant
    Filed: December 17, 1993
    Date of Patent: May 16, 1995
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventors: Gyung-Ho Song, Fathi D. Hussein, Kiu H. Lee, Henry B. Hinckley