Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8058322 | Flame-retardant flexible polyurethane foam | Sophia Dashevsky, Sergei V. Levchik, Yingzhong Guo | 2011-11-15 |
| 7910665 | Composition of epoxy resin and epoxy-reactive polyphosphonate | Sergei V. Levchik | 2011-03-22 |