Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5885343 | Dyed silica pigments and products made from same | George J. Cernigliaro, Egon Matijevic, Daniel Y. Pai | 1999-03-23 |
| 5871872 | Dye incorporated pigments and products made from same | Egon Matijevic, George J. Cernigliaro, Yie-Shein Her, Daniel Y. Pai | 1999-02-16 |