ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,454,605, issued on Oct. 28, was assigned to Oregon State University (Corvallis, Ore.).
"Method for recycling polyvinyl chloride (PVC) to produce high density polyethylene (HDPE)" was invented by Konstantinos Goulas (Corvallis, Ore.) and Scott Svadlenak (Corvallis, Ore.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein is a process to convert PVC plastic into a dechlorinated polymer, such as high density polyethylene, while substantially avoiding carbonization. The process also facilitates Cl recovery and/or reintroducing the dechlorinated plastic into product streams. In some embodiments, the process comprises heating a mixture of PVC and ...