Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6833433 | Method for producing aliphatic oligocarbonate diols | Andreas Schlemenat, Jörg Tillack, Herbert Witossek | 2004-12-21 |
| 6818784 | Process for producing aliphatic oligocarbonate diols | Jörg Tillack, Herbert Witossek, Andreas Schlemenat | 2004-11-16 |