Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6953090 | Cementing subterranean zones using cement compositions containing biodegradable dispersants | Jan Pieter Vijn, Christian Spindler, Johann Plank | 2005-10-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6953090 | Cementing subterranean zones using cement compositions containing biodegradable dispersants | Jan Pieter Vijn, Christian Spindler, Johann Plank | 2005-10-11 |