Chemistry

0004 - "Metal-Free Stabilizers for PVC" (Issued U.S. Patent Nos. 6,667,357; 6,747,081; 6,762,231; 6,927,247)

0506 - "Smoke and Fire Inhibitors for PVC" (Issued U.S. Patent No. 7,718,725)

0507 - "Method for the Synthesis of Graft Copolymers from Polymers of Vinyl Chloride" (Issued U.S. Patent No. 7,339,004)

0608 - "Organic Thiol Stabilizers and Plasticizers for Halogen-Containing Polymers" (Issued U.S. Patent No. 7,553,897)

0911 - "Method for Making Polymer Composites Containing Graphene Sheets"

1207 - "Synthesis of [2.2.2]-Diazabicyclic Ring Systems"