Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5672704 | 2-Hydroxyphenyl-s-Triazines substituted with ethylenically unsaturated moieties | Vien Van Toan, Gerhard Rytz, Norbert Wurms, Pascal Hayoz | 1997-09-30 |
| 5607987 | 2-(2-hydroxy-3-.alpha. cumyl-5-tert nonyl or dodecyl phenyl)-2H- Benzotriazole UV Absorbers | Roland A. E. Winter, Ramanathan Ravichandran, Mark S. Holt, Volker H. von Ahn, Joseph E. Babiarz | 1997-03-04 |