US Patent 7998545 Polylactic acid shrink films and methods of casting same
Patent 7998545 was granted and assigned to Plastic Suppliers, Inc. on August, 2011 by the United States Patent and Trademark Office.
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Patent 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.
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Patent Inventor Names
Edward Carl Tweed0
Joseph B. McDaniel0
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US Patent 07998545 Polylactic acid shrink films and methods of casting same US Patent 7998545 Polylactic acid shrink films and methods of casting same
Infobox
Patent Number
079985450
Patent Number
79985450
Edits on 26 Mar, 2023
Golden AI
Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
079985450
Date of Patent
August 16, 2011
0Patent Application Number
127763150
Date Filed
May 7, 2010
0Patent Primary Examiner
Edits on 8 Dec, 2021
Golden AI
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Infobox (+8 properties)
US Patent 07998545 Polylactic acid shrink films and methods of casting same
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07998545
Date of patent
August 16, 2011
Patent application number
12776315
Date Filed
May 7, 2010
Patent primary examiner
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