Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5359132 | Process for the preparation of sodium salts of aromatic sulphinic acids containing nitro groups | Gerold Schade, Udo Thiel | 1994-10-25 |
| 5030747 | Process for the preparation of .mu.-amino-acrylic acid esters | Heinz U. Blank, Erich Wolters, Friedrich-Wilhelm Ullrich, Halmut Kraus, Gerhard Marzolph | 1991-07-09 |
| 4814483 | Process for the preparation of optionally substituted 2-benzyl-toluenes | Heinz U. Blank | 1989-03-21 |