Composite Processing Last week's top 3 Reinforced Plastics stories – patents, adhesion promotion treatments, hydrogen storage tanks News Amanda Jacob 02 Jun 2014 Last week's top story: our round up of recent composites-related patents. (Picture © Kheng Guan Toh/Shutterstock.com.) Composites patents watch: May 2014; Adhesion promotion of polyurethane and epoxy coatings; Materia receives $2m grant for carbon fibre reduction in hydrogen storage tanks.