Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9808954 | Composition of a timber formulation comprising Cu salts and organic cyclic ingredients for the preservation of timber for decks | Volker Beez, Stefan Schmitt | 2017-11-07 |
| 6506795 | Wood preservatives | Volker Barth, Volker Beez | 2003-01-14 |
| 5304237 | Chromium-free wood preservatives | Volker Barth | 1994-04-19 |
| 4970201 | Preservatives for cellulose containing products | Eberhard Giebeler, Detlef Wehle, Franz Konig, Helmut Berenbold | 1990-11-13 |