Patents by Inventor David Gara Bertelsman

David Gara Bertelsman 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: 10710322
    Abstract: A film structure having a matte film surface and method of manufacture thereof. The preferred embodiment of the present invention contemplates a blend of polyethylene homopolymer or copolymer resins, coupled with one or more platelet shaped (non-spherical) inorganic or organic fillers. The matte polyethylene film surface as prepared from these polymer/filler blends exhibits a low gloss matte surface for wide utility in laminated and non-laminated, food and non-food, packaging and non-packaging applications. A unique and heretofore uncontemplated technique of manufacture exploiting the phenomenon of “die swell” as enumerated herein is utilized during production to facilitate the reorientation of the fillers during the extrusion process to produce the matte surface effect.
    Type: Grant
    Filed: June 11, 2016
    Date of Patent: July 14, 2020
    Assignee: Accredo Packaging, Inc
    Inventor: David Gara Bertelsman