Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9982182 | Drilling composition, process for its preparation, and applications thereof | Nadja Herzog, Diana Maker, Michael Fefer, Jun Liu | 2018-05-29 |
| 9896613 | Esters for drilling emulsions and metal working fluids | Diana Maker, Patrick Hähnel | 2018-02-20 |