Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5648509 | Process for the preparation of diesters of phosphonocarboxylic acid derivatives | Salman Dermeik, Karl-Heinz Lemmer, Reinhold Braun | 1997-07-15 |
| 5498740 | Compositions comprising reaction products of phosphites, quinones and isocyanates | Salman Dermeik, Karl-Heinz Lemmer, Reinhold Braun | 1996-03-12 |