Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5318954 | Use of selected ester oils of low carboxylic acids in drilling fluids | Heinz Mueller, Claus-Peter Herold, Stephan von Tapavicza, Michael Neuss | 1994-06-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5318954 | Use of selected ester oils of low carboxylic acids in drilling fluids | Heinz Mueller, Claus-Peter Herold, Stephan von Tapavicza, Michael Neuss | 1994-06-07 |