Patents by Inventor Peder E. McHattie

Peder E. McHattie 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: 4855370
    Abstract: A method for reducing sheeting during polymerization of alpha-olefins in a low pressure fluidized bed reactor utilizing titanium or vanadium based compounds as catalysts together with alkyl aluminum cocatalysts wherein water is introduced water into said reactor in an amount sufficient to maintain the electrostatic levels at the site of possible sheet formation at levels which avoid sheeting without substantially altering the effectiveness of said catalysts.
    Type: Grant
    Filed: October 1, 1986
    Date of Patent: August 8, 1989
    Assignee: Union Carbide Corporation
    Inventors: John R. Chirillo, Kellam C. Kimbrough, II, Peder E. McHattie