Patents by Inventor Granville L. Smyser

Granville L. Smyser 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).

  • Patent number: 6346308
    Abstract: Active oxygen scavenging compositions and their use in packaging articles are disclosed. The compositions are all plastic materials and are typically deployed as at least one layer in a multi-layered wall of a packaging article such as a bottle, can or film. The compositions are usually used in conjunction with added transition metal catalyst to enhance the uptake of oxygen. Use of the compositions and package constructions disclosed serves to lengthen the shelf life of packaged oxygen sensitive substances and/or diminish the need for refrigeration of the packages.
    Type: Grant
    Filed: February 11, 2000
    Date of Patent: February 12, 2002
    Assignee: BP Corporation North America Inc.
    Inventors: Paul J. Cahill, Joel A. Richardson, George E. Rotter, Granville L. Smyser, Roman F. Barski, Jr., Raymond V. Wass, Walter M. Nyderek
  • Patent number: 4963627
    Abstract: This invention relates to blends of amide-imide polymer or amide-imide-phthalamide polymer and polyaryletherketones which include an inorganic hydrate to stabilize the melt viscosity of the polymer blend. The invention also relates to a composition and a molded article.
    Type: Grant
    Filed: December 30, 1988
    Date of Patent: October 16, 1990
    Assignee: Amoco Corporation
    Inventors: Granville L. Smyser, Gary T. Brooks
  • Patent number: 4746327
    Abstract: An ethylene-unsaturated, ester-substituted olefin distillate flow improver and cold-flow plugging point improvers are disclosed.
    Type: Grant
    Filed: March 25, 1985
    Date of Patent: May 24, 1988
    Assignee: Standard Oil Company (Indiana)
    Inventor: Granville L. Smyser
  • Patent number: 4455244
    Abstract: An oxidized Mannich condensation product of an oxidized olefin polymer, amine and formaldehyde yielding reactant and lube oils containing these products.
    Type: Grant
    Filed: June 7, 1982
    Date of Patent: June 19, 1984
    Assignee: Standard Oil Company (Indiana)
    Inventors: Granville L. Smyser, John A. Cengel