Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10519358 | (Meth)acrylic copolymers as rheological additives in drilling fluids and drilling fluids comprising such copolymers | René Nagelsdiek, Alan L. Steinmetz, Justin Adams, Dominika Bernert, George M. Zody | 2019-12-31 |
| 10377906 | Composition for rheology control | Daniela Leutfeld, Marc Eberhardt, René Nagelsdiek, Sylvia Bühne, Jürgen Omeis | 2019-08-13 |
| 9458332 | Composition for rheology control | Daniela Leutfeld, René Nagelsdiek, Jürgen Omeis | 2016-10-04 |