Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8026303 | Halogen-free flame retardant compositions, thermoplastic compositions comprising the same and methods of producing the compositions | Sergei V. Levchik, Oiang Yao | 2011-09-27 |
| 8003722 | Flame retardant compositions containing mixtures of disubstituted phosphinate salts and monosubstituted phoshinate salts | Sergei V. Levchik, Qiang Yao | 2011-08-23 |
| 7807737 | Phosphorus-containing flame retardant for thermoplastic polymers | Qiang Yao, Sergei V. Levchik | 2010-10-05 |
| 6569928 | Phosphorus-containing fire retardant thermoplastic polyester composition | Sergei V. Levchik, Danielle A. Bright | 2003-05-27 |
| 5633301 | Flame retardant polyketone composition | Paul Y. Moy | 1997-05-27 |
| 5521236 | Flame retarded stabilized polyester composition | Paul Y. Moy | 1996-05-28 |
| 5334443 | Substrate with adhesion promoting film comprising vinyl chloride polymer plasticized with polyketone | Jagadish C. Goswami | 1994-08-02 |