Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7854262 | Sorel cement compositions, amine phosphono retarders, and associated methods | Ashok Santra | 2010-12-21 |
| 7530394 | Cement compositions for low temperature applications | Ashok Santra | 2009-05-12 |