Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6596670 | Use of selected oleophilic ethers in water-based drilling fluids of the O/W emulsion type and corresponding drilling fluids with improved ecological acceptability | Heinz Mueller, Claus-Peter Herold, Gerhard Stoll, Rainer Jeschke, Johann F. Fues | 2003-07-22 |
| 6566304 | Biogenic control and limitation of the reproduction of parasitic earth nematodes in stock culture | Doris Bell, Bettina Kopp-Holtwiesche | 2003-05-20 |