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Injection stretch blow molding process using polylactide resins

United States Patent Application

View the Complete Application at the US Patent & Trademark Office
Containers are manufactured in an injection stretch molding process using a PLA resin having a specified ratio of lactic acid stereoisomers and stretch ratios. The process permits good quality containers to be made at good operating rates.
Cink, Kevin (Brooklyn Park, MN), Bopp, Richard C. (Golden Valley, MN), Sikkema, Kevin D. (Midland, MI)
NATUREWORKS LLC (15305 Minnetonka Boulevard, Minnetonka MN 55345)
11/ 629,733
June 23, 2005
[0001] This invention was made with United States Government support under Contract No. DE-FC36-00GO10598 awarded by the United States Department of Energy. The United States Government has certain rights in this invention.