Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5885343 | Dyed silica pigments and products made from same | Egon Matijevic, Daniel Y. Pai, Todd A. Richardson | 1999-03-23 |
| 5871872 | Dye incorporated pigments and products made from same | Egon Matijevic, Yie-Shein Her, Daniel Y. Pai, Todd A. Richardson | 1999-02-16 |
| 4439516 | High temperature positive diazo photoresist processing using polyvinyl phenol | Charles R. Shipley | 1984-03-27 |