Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7976582 | Bleaching of substrates | Herbert Bachus, Zinaida Ponie Djodikromo, Christian Doerfler, Ronald Hage, Joachim Lienke | 2011-07-12 |
| 7972386 | Bleaching of substrates | Zinaida Ponie Djodikromo, Ronald Hage | 2011-07-05 |