US Patent Issued to LIFOAM INDUSTRIES on July 8 for "Lost foam and sand casting with polylactic acid- based foam articles" (Maryland Inventor)

ALEXANDRIA, Va., July 9 -- United States Patent no. 12,350,735, issued on July 8, was assigned to LIFOAM INDUSTRIES LLC (Greer, S.C.).

"Lost foam and sand casting with polylactic acid- based foam articles" was invented by Saumitra Bhargava (Clarksville, Md.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods for forming metal articles are provided. The methods include forming foam casting molds from polylactic acid for use in lost foam and sand casting processes. The PLA-based foam casting molds advantageously reduce cycle time, reduce overall cost, increase reusability of the foam casting molds, reduce costs associated with shipping the foam casting mold, and improve yield and quality of cast metal artic...