Patents by Inventor Denis Léon Vynckier

Denis Léon Vynckier 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).

  • Longitudinal shrink films
    Patent number: 7101935
    Abstract: A heat-shrinkable film and a method of its manufacture are provided. In an exemplary embodiment, a polystyrene film exhibits heat-induced growth in the cross direction of great than or equal to 5% with greater than or equal to 30% concomitant shrinkage in the machine direction. The films may comprise crystal polystyrene, high impact polystyrene, and/or elastomers. A method of manufacture is disclosed which includes a post-extrusion temperature conditioning step.
    Type: Grant
    Filed: December 13, 2004
    Date of Patent: September 5, 2006
    Assignee: Plastic Suppliers, Inc.
    Inventor: Denis Léon Vynckier
  • Longitudinal shrink films
    Patent number: 6897260
    Abstract: A heat-shrinkable film and a method of its manufacture are provided. In an exemplary embodiment, a polystyrene film exhibits heat-induced growth in the cross direction of great than or equal to 5% with greater than or equal to 30% concomitant shrinkage in the machine direction. The films may comprise crystal polystyrene, high impact polystyrene, and/or elastomers. A method of manufacture is disclosed which includes a post-extrusion temperature conditioning step.
    Type: Grant
    Filed: February 5, 2004
    Date of Patent: May 24, 2005
    Assignee: Plastic Suppliers, Inc.
    Inventor: Denis Léon Vynckier
  • Longitudinal shrink films
    Publication number: 20040242786
    Abstract: A heat-shrinkable film and a method of its manufacture are provided. In an exemplary embodiment, a polystyrene film exhibits heat-induced growth in the cross direction of great than or equal to 5% with greater than or equal to 30% concomitant shrinkage in the machine direction. The films may comprise crystal polystyrene, high impact polystyrene, and/or elastomers. A method of manufacture is disclosed which includes a post-extrusion temperature conditioning step.
    Type: Application
    Filed: February 5, 2004
    Publication date: December 2, 2004
    Inventor: Denis Leon Vynckier