Patents by Inventor Bruce Alexander Gillespie

Bruce Alexander Gillespie 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).

  • Blends containing linear low density polyethylene, high density polyethylene, and low density polyethylene particularly suitable for extrusion coating and films
    Patent number: 6509106
    Abstract: A novel composition of at least three different polyethylene-based components is provided. The blend comprises a linear low density polyethylene, a high density polyethylene and a low density polyethylene. The composition can be used in extrusion coating, in preparing films, cast or blown included, and other applications, such as laminates.
    Type: Grant
    Filed: November 21, 2000
    Date of Patent: January 21, 2003
    Assignee: Eastman Chemical Company
    Inventors: Ray Edwards, Bruce Alexander Gillespie, Diane Hines Farnham
  • Polyethylenes with enhanced heat seal properties
    Patent number: 6174612
    Abstract: An improved extrusion coating is described comprising at least two polyethylene homopolymers, one component being a low melt index medium density polyethylene homopolymer, and another component being a high melt index low density polyethylene homopolymer. Superior heat seal strengths are achieved with this blend.
    Type: Grant
    Filed: June 2, 1998
    Date of Patent: January 16, 2001
    Assignee: Eastman Chemical Company
    Inventors: Ray Edwards, Bruce Alexander Gillespie, Diane Hines Farnham
  • Blends of polyethylene for extrusion coating
    Patent number: 6110599
    Abstract: A blend of at least three different polyethylene-based components is described which can be extrusion coated onto a substrate to give a strong bond therewith with short curing times. The blend comprises a medium density polyethylene with a narrow molecular weight distribution, a low density polyethylene homopolymer with a broad molecular weight distribution, and a linear low density polyethylene copolymer.
    Type: Grant
    Filed: March 26, 1998
    Date of Patent: August 29, 2000
    Assignee: Eastman Chemical Company
    Inventors: Ray Edwards, Bruce Alexander Gillespie