Fecha de publicación: 12/01/2023 Fuente: WIPO Rice A carbon polymer composite (CPC) including a polymer and a carbon source material. The polymer may include polyvinyl chloride (PVC) and/or high density polyethylene (HDPE). The carbon source material may include coal and/or other sources of carbon. The carbon source material may be oxidized using a gaseous or liquid oxidizing agent. A CPC including PVC may be used to make a piping product. A CPC including HDPE may be used to make a wood replacement product.