Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6348601 | Preparation of N-methyl-2-pyrrolidone (NMP) | Frank Ohlbach, Johann-Peter Melder, Karl-Heinz Ross, Jörg Liebe | 2002-02-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6348601 | Preparation of N-methyl-2-pyrrolidone (NMP) | Frank Ohlbach, Johann-Peter Melder, Karl-Heinz Ross, Jörg Liebe | 2002-02-19 |