Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9505022 | Surface treatment method for making high durability universal titanium dioxide rutile pigment | Ahmed Yasir Vakayil | 2016-11-29 |
| 9156716 | Method for purification of spent sulfuric acid from titanium dioxide rutile industry | Ahmed Yasir Vakayil, Rene Jongen | 2015-10-13 |
| 9150440 | Method for purification of spent sulfuric acid from titanium dioxide rutile industry | Ahmed Yasir Vakayil, Rene Jongen | 2015-10-06 |