Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5639435 | Method for producing sulfur hexafluoride | — | 1997-06-17 |
| 5618331 | Vapor phase fluidized bed sulfation of titaniferous materials | Miguel Kling | 1997-04-08 |
| 5591506 | Non-polluting alkali-metal bisulfate system for producing titanium dioxide pigment | Miguel Kling | 1997-01-07 |