Patents Assigned to Plastic Suppliers, Inc.
  • Polylactic acid shrink films and methods of casting same
    Patent number: 8551586
    Abstract: A heat-shrinkable polylactic acid (PLA) film and a method of its manufacture are provided. In an exemplary embodiment, the PLA films exhibit heat-induced shrinkage in the transverse direction with little to no concomitant shrinkage in the machine direction. The films may comprise any grade of PLA polymer, optionally including additives, such as antiblock, slip, plasticizers, viscosity enhancers and combinations thereof. A method of cast and tenner manufacture is disclosed, which includes a temperature conditioning step.
    Type: Grant
    Filed: August 22, 2012
    Date of Patent: October 8, 2013
    Assignee: Plastic Suppliers, Inc.
    Inventors: Edward Carl Tweed, Joseph B. McDaniel
  • Polylactic acid shrink films and methods of manufacturing same
    Patent number: 8496868
    Abstract: A heat-shrinkable polylactic acid (PLA) film and a method of its manufacture are provided. In an exemplary embodiment, the PLA films exhibit heat-induced growth in the cross direction with concomitant shrinkage in the machine direction. The films may comprise any grade of PLA polymer, optionally including additives, such as antiblock, slip, viscosity enhancers and combinations thereof. A method of manufacture is disclosed which includes a post-extrusion temperature conditioning step.
    Type: Grant
    Filed: December 6, 2010
    Date of Patent: July 30, 2013
    Assignee: Plastic Suppliers, Inc.
    Inventor: Joseph B. McDaniel
  • Polylactic acid shrink films and methods of casting same
    Patent number: 8263197
    Abstract: A heat-shrinkable polylactic acid (PLA) film and a method of its manufacture are provided. In an exemplary embodiment, the PLA films exhibit heat-induced shrinkage in the transverse direction with little to no concomitant shrinkage in the machine direction. The films may comprise any grade of PLA polymer, optionally including additives, such as antiblock, slip, plasticizers, viscosity enhancers and combinations thereof. A method of cast and tenner manufacture is disclosed, which includes a temperature conditioning step.
    Type: Grant
    Filed: July 7, 2011
    Date of Patent: September 11, 2012
    Assignee: Plastic Suppliers, Inc.
    Inventors: Edward Carl Tweed, Joseph B. McDaniel
  • Polylactic acid blown film and method of manufacturing same
    Patent number: 8133558
    Abstract: The invention provides polylactic acid (PLA) films substantially free of plasticizers and methods of manufacturing same by blown film process are provided. PLA films are environmentally degradable and have applications in, at least, packaging and labeling.
    Type: Grant
    Filed: August 24, 2005
    Date of Patent: March 13, 2012
    Assignee: Plastics Suppliers, Inc.
    Inventors: Edward Carl Tweed, Henry Mike Stephens, Theodore Emil Riegert
  • Polylactic acid shrink films and methods of casting same
    Patent number: 7998545
    Abstract: A heat-shrinkable polylactic acid (PLA) film and a method of its manufacture are provided. In an exemplary embodiment, the PLA films exhibit heat-induced shrinkage in the transverse direction with little to no concomitant shrinkage in the machine direction. The films may comprise any grade of PLA polymer, optionally including additives, such as antiblock, slip, plasticizers, viscosity enhancers and combinations thereof. A method of cast and tenner manufacture is disclosed, which includes a temperature conditioning step.
    Type: Grant
    Filed: May 7, 2010
    Date of Patent: August 16, 2011
    Assignee: Plastic Suppliers, Inc.
    Inventors: Edward Carl Tweed, Joseph B. McDaniel
  • Polylactic acid shrink films and methods of manufacturing same
    Patent number: 7846517
    Abstract: A heat-shrinkable polylactic acid (PLA) film and a method of its manufacture are provided. In an exemplary embodiment, the PLA films exhibit heat-induced growth in the cross direction with concomitant shrinkage in the machine direction. The films may comprise any grade of PLA polymer, optionally including additives, such as antiblock, slip, viscosity enhancers and combinations thereof. A method of manufacture is disclosed which includes a post-extrusion temperature conditioning step.
    Type: Grant
    Filed: April 19, 2006
    Date of Patent: December 7, 2010
    Assignee: Plastic Suppliers, Inc.
    Inventor: Joseph B. McDaniel
  • Polylactic acid shrink films and methods of casting same
    Patent number: 7713601
    Abstract: A heat-shrinkable polylactic acid (PLA) film and a method of its manufacture are provided. In an exemplary embodiment, the PLA films exhibit heat-induced shrinkage in the transverse direction with little to no concomitant shrinkage in the machine direction. The films may comprise any grade of PLA polymer, optionally including additives, such as antiblock, slip, plasticizers, viscosity enhancers and combinations thereof. A method of cast and tenner manufacture is disclosed, which includes a temperature conditioning step.
    Type: Grant
    Filed: November 20, 2006
    Date of Patent: May 11, 2010
    Assignee: Plastic Suppliers, Inc.
    Inventors: Edward Carl Tweed, Joseph B. McDaniel
  • Polylactic acid blown film and method of manufacturing same
    Patent number: 7615183
    Abstract: The invention provides polylactic acid (PLA) films substantially free of plasticizers and methods of manufacturing same by blown film process are provided. PLA films are environmentally degradable and have applications in, at least, packaging and labeling.
    Type: Grant
    Filed: November 3, 2006
    Date of Patent: November 10, 2009
    Assignee: Plastic Suppliers, Inc.
    Inventors: Edward Carl Tweed, Henry Mike Stephens, Theodore Emil Riegert
  • 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
  • Polylactic acid blown film and method of manufacturing same
    Publication number: 20060045940
    Abstract: The invention provides polylactic acid (PLA) films substantially free of plasticizers and methods of manufacturing same by blown film process are provided. PLA films are environmentally degradable and have applications in, at least, packaging and labeling.
    Type: Application
    Filed: August 24, 2005
    Publication date: March 2, 2006
    Applicant: PLASTIC SUPPLIERS, INC.
    Inventors: Edward Tweed, Henry Stephens, Theodore Riegert
  • Longitudinal shrink films
    Publication number: 20050158492
    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: March 18, 2005
    Publication date: July 21, 2005
    Applicant: PLASTIC SUPPLIERS, INC.
    Inventor: Denis 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