Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5024736 | Process for electroplating utilizing disubstituted ethane sulfonic compounds as electroplating auxiliaries and electroplating auxiliaries containing same | Wolfgang Clauss, Ferdinand Leifeld, Willy Wassenberg | 1991-06-18 |
| 4820388 | Polyalkylene glycol naphthyl-3-sulfopropyl diether compounds and their salts, process for preparing same and electroplating baths containing same | Klaus-Peter Klos | 1989-04-11 |