Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4997680 | Polymeric conditioner for pretreating nonmetallic surfaces for chemical metallization | Chung-Ji Tschang, Johannes P. Dix, Ekhard Winkler, Klaus Glaser, Rolf Fikentscher | 1991-03-05 |
| 4954369 | Chemical deposition of copper from alkaline aqueous baths | Alfred Oftring, Chung-Ji Tschang, Ekhard Winkler, Klaus Glaser | 1990-09-04 |
| 4940609 | Polymeric conditioner for pretreating nonmetallic surfaces for chemical metallization | Chung-Ji Tschang, Johannes P. Dix, Ekhard Winkler, Klaus Glaser, Rolf Fikentscher | 1990-07-10 |
| 4212709 | Acidic nickel electroplating bath containing sulfobetaines as brighteners and levelling agents | Manfred Patsch, Dieter Schneider, Albert Hettche | 1980-07-15 |