Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7928259 | Diaryl alkylphosphonates and methods for preparing same | Dieter Freitag | 2011-04-19 |
| 7888534 | Diaryl alkylphosphonates and methods for preparing same | Dieter Freitag | 2011-02-15 |