Patents by Inventor Cecil W. Wright

Cecil W. Wright 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 of finishing thermoplastic granules
    Patent number: 4510271
    Abstract: Thermoplastic granules are finished by blending thermoplastic granules with additive material to form a masterblend; intensively mixing the masterblend with additional thermoplastic granules under conditions (1) to increase the temperature of the thermoplastic to its softening temperature and (2) to increase the bulk density of the granules; and withdrawing and cooling the mixture to form free flowing granules containing additives thereon or therein.
    Type: Grant
    Filed: October 27, 1982
    Date of Patent: April 9, 1985
    Assignee: Exxon Research & Engineering Co.
    Inventors: Mike E. Muhle, Richard J. Stolz, Cecil W. Wright
  • Finishing of rotational molding grade resin
    Patent number: 4508859
    Abstract: Rotational mold grade resin is made by subjecting polyolefin to the following process: (1) polyolefin granules are blended with additives to form a masterblend; (2) the masterblend is intensively mixed with additional resin granules to shape the granules, reduce particle size and disperse additives; (3) the intermixed material is cooled and (4) large particles are removed and recycled.
    Type: Grant
    Filed: December 22, 1982
    Date of Patent: April 2, 1985
    Assignee: Exxon Research & Engineering Co.
    Inventors: Mike E. Muhle, Richard J. Stolz, Cecil W. Wright