Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12286586 | Hydrocarbon swelling particles for wellbore cementing | Bertrand Guichard, Patrick Vongphoutone, Douglas J. Harrison, AJ Marino | 2025-04-29 |
| 7208038 | Silane-modified biopolymeric, biooligomeric, oxidic or siliceous filler, process for its production and its use | Karsten Korth, Hans-Detlef Luginsland, Andre Hasse, Ingo Kiefer | 2007-04-24 |
| 6893495 | Silane-modified biopolymeric, biooligomeric, oxidic or siliceous filler, process for its production and its use | Karsten Korth, Hans-Detlef Luginsland, Andre Hasse, Ingo Kiefer | 2005-05-17 |