Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5637706 | Compositions stabilized with red-shifted tris-aryl-s-triazines | Tyler A. Stevenson, Ramanathan Ravichandran, Thuy N. Phan, Jean-Luc Birbaum, Vien Van Toan | 1997-06-10 |
| 5607987 | 2-(2-hydroxy-3-.alpha. cumyl-5-tert nonyl or dodecyl phenyl)-2H- Benzotriazole UV Absorbers | Roland A. E. Winter, Ramanathan Ravichandran, Volker H. von Ahn, Joseph E. Babiarz, David G. Leppard | 1997-03-04 |