Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10308858 | Biodegradable anti-accretion additive for water-based drilling fluids | Roland Reichenbach-Klinke, Jutta Karin Langlotz | 2019-06-04 |
| 9051503 | Use of hydrophobically associated copolymer as an additive in specific oilfield applications | Roland Reichenbach-Klinke, Oscar Lafuente Cerda, Björn Langlotz | 2015-06-09 |
| 8802748 | Graft polymer mixture | Roland Reichenbach-Klinke | 2014-08-12 |
| 8148304 | Copolymer based on a sulfonic acid-containing compound | Christian Spindler, Uwe Huber | 2012-04-03 |