Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11447682 | Water-soluble or water-swellable polymers as water loss reducers in cement slurries | Dirk Fischer, Christoph Kayser, Jürgen TONHAUSER, Michael Gayle Schafer | 2022-09-20 |